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-rw-r--r--intern/cycles/blender/addon/properties.py2
-rw-r--r--release/scripts/startup/bl_ui/properties_scene.py1
-rw-r--r--release/scripts/startup/bl_ui/properties_texture.py1
-rw-r--r--release/scripts/startup/bl_ui/space_sequencer.py2
-rw-r--r--source/blender/blenkernel/BKE_blender.h2
-rw-r--r--source/blender/blenkernel/intern/image.c59
-rw-r--r--source/blender/blenkernel/intern/seqeffects.c370
-rw-r--r--source/blender/blenkernel/intern/seqmodifier.c20
-rw-r--r--source/blender/blenkernel/intern/sequencer.c127
-rw-r--r--source/blender/blenkernel/intern/texture.c2
-rw-r--r--source/blender/blenlib/BLI_math_color.h7
-rw-r--r--source/blender/blenlib/intern/math_color_inline.c83
-rw-r--r--source/blender/blenloader/intern/readfile.c30
-rw-r--r--source/blender/blenloader/intern/versioning_legacy.c10
-rw-r--r--source/blender/collada/DocumentImporter.cpp2
-rw-r--r--source/blender/editors/render/render_preview.c2
-rw-r--r--source/blender/editors/space_image/image_buttons.c22
-rw-r--r--source/blender/gpu/intern/gpu_draw.c6
-rw-r--r--source/blender/gpu/intern/gpu_material.c3
-rw-r--r--source/blender/imbuf/IMB_colormanagement.h1
-rw-r--r--source/blender/imbuf/IMB_imbuf.h4
-rw-r--r--source/blender/imbuf/IMB_imbuf_types.h5
-rw-r--r--source/blender/imbuf/intern/IMB_filter.h3
-rw-r--r--source/blender/imbuf/intern/cineon/cineon_dpx.c3
-rw-r--r--source/blender/imbuf/intern/colormanagement.c63
-rw-r--r--source/blender/imbuf/intern/divers.c81
-rw-r--r--source/blender/imbuf/intern/filter.c64
-rw-r--r--source/blender/imbuf/intern/openexr/openexr_api.cpp3
-rw-r--r--source/blender/imbuf/intern/png.c21
-rw-r--r--source/blender/imbuf/intern/radiance_hdr.c3
-rw-r--r--source/blender/imbuf/intern/readimage.c24
-rw-r--r--source/blender/imbuf/intern/scaling.c35
-rw-r--r--source/blender/imbuf/intern/tiff.c52
-rw-r--r--source/blender/makesdna/DNA_image_types.h14
-rw-r--r--source/blender/makesdna/DNA_scene_types.h4
-rw-r--r--source/blender/makesdna/DNA_sequence_types.h13
-rw-r--r--source/blender/makesdna/DNA_texture_types.h2
-rw-r--r--source/blender/makesrna/intern/rna_image.c35
-rw-r--r--source/blender/makesrna/intern/rna_scene.c10
-rw-r--r--source/blender/makesrna/intern/rna_sequencer.c12
-rw-r--r--source/blender/makesrna/intern/rna_texture.c5
-rw-r--r--source/blender/nodes/composite/node_composite_util.c2
-rw-r--r--source/blender/nodes/composite/nodes/node_composite_image.c3
-rw-r--r--source/blender/render/intern/include/render_result.h2
-rw-r--r--source/blender/render/intern/source/imagetexture.c30
-rw-r--r--source/blender/render/intern/source/pipeline.c6
-rw-r--r--source/blender/render/intern/source/render_result.c11
-rw-r--r--source/blender/render/intern/source/rendercore.c33
48 files changed, 797 insertions, 498 deletions
diff --git a/intern/cycles/blender/addon/properties.py b/intern/cycles/blender/addon/properties.py
index abc251dc120..2bc4afe969e 100644
--- a/intern/cycles/blender/addon/properties.py
+++ b/intern/cycles/blender/addon/properties.py
@@ -269,7 +269,7 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
)
cls.film_transparent = BoolProperty(
name="Transparent",
- description="World background is transparent",
+ description="World background is transparent with premultiplied alpha",
default=False,
)
diff --git a/release/scripts/startup/bl_ui/properties_scene.py b/release/scripts/startup/bl_ui/properties_scene.py
index 3230fb7392b..66a16daa22f 100644
--- a/release/scripts/startup/bl_ui/properties_scene.py
+++ b/release/scripts/startup/bl_ui/properties_scene.py
@@ -263,7 +263,6 @@ class SCENE_PT_color_management(Panel):
col.separator()
col.label(text="Render:")
col.template_colormanaged_view_settings(scene, "view_settings")
- col.prop(rd, "use_color_unpremultiply")
col = layout.column()
col.separator()
diff --git a/release/scripts/startup/bl_ui/properties_texture.py b/release/scripts/startup/bl_ui/properties_texture.py
index cb7cc1d42d2..eddb542ccc3 100644
--- a/release/scripts/startup/bl_ui/properties_texture.py
+++ b/release/scripts/startup/bl_ui/properties_texture.py
@@ -442,7 +442,6 @@ class TEXTURE_PT_image_sampling(TextureTypePanel, Panel):
col = split.column()
col.label(text="Alpha:")
- col.prop(tex, "use_alpha", text="Use")
col.prop(tex, "use_calculate_alpha", text="Calculate")
col.prop(tex, "invert_alpha", text="Invert")
col.separator()
diff --git a/release/scripts/startup/bl_ui/space_sequencer.py b/release/scripts/startup/bl_ui/space_sequencer.py
index 5b7a3a82aae..d6f8de93c0f 100644
--- a/release/scripts/startup/bl_ui/space_sequencer.py
+++ b/release/scripts/startup/bl_ui/space_sequencer.py
@@ -602,6 +602,7 @@ class SEQUENCER_PT_input(SequencerButtonsPanel, Panel):
split.prop(elem, "filename", text="") # strip.elements[0] could be a fallback
layout.prop(strip.colorspace_settings, "name")
+ layout.prop(strip, "alpha_mode")
layout.operator("sequencer.change_path")
@@ -797,7 +798,6 @@ class SEQUENCER_PT_filter(SequencerButtonsPanel, Panel):
col.label(text="Colors:")
col.prop(strip, "color_saturation", text="Saturation")
col.prop(strip, "color_multiply", text="Multiply")
- col.prop(strip, "use_premultiply")
col.prop(strip, "use_float")
diff --git a/source/blender/blenkernel/BKE_blender.h b/source/blender/blenkernel/BKE_blender.h
index ecd38403d72..10528f1b270 100644
--- a/source/blender/blenkernel/BKE_blender.h
+++ b/source/blender/blenkernel/BKE_blender.h
@@ -42,7 +42,7 @@ extern "C" {
* and keep comment above the defines.
* Use STRINGIFY() rather than defining with quotes */
#define BLENDER_VERSION 265
-#define BLENDER_SUBVERSION 4
+#define BLENDER_SUBVERSION 5
/* 262 was the last editmesh release but it has compatibility code for bmesh data */
#define BLENDER_MINVERSION 262
diff --git a/source/blender/blenkernel/intern/image.c b/source/blender/blenkernel/intern/image.c
index 8630ace4edf..b93f917c9e2 100644
--- a/source/blender/blenkernel/intern/image.c
+++ b/source/blender/blenkernel/intern/image.c
@@ -312,10 +312,6 @@ static void image_assign_ibuf(Image *ima, ImBuf *ibuf, int index, int frame)
break;
ibuf->index = index;
- if (ima->flag & IMA_CM_PREDIVIDE)
- ibuf->flags |= IB_cm_predivide;
- else
- ibuf->flags &= ~IB_cm_predivide;
/* this function accepts (link == NULL) */
BLI_insertlinkbefore(&ima->ibufs, link, ibuf);
@@ -552,6 +548,26 @@ int BKE_image_scale(Image *image, int width, int height)
return (ibuf != NULL);
}
+static void image_init_color_management(Image *ima)
+{
+ ImBuf *ibuf;
+ char name[FILE_MAX];
+
+ BKE_image_user_file_path(NULL, ima, name);
+
+ /* will set input color space to image format default's */
+ ibuf = IMB_loadiffname(name, IB_test | IB_alphamode_detect, ima->colorspace_settings.name);
+
+ if (ibuf) {
+ if (ibuf->flags & IB_alphamode_premul)
+ ima->alpha_mode = IMA_ALPHA_PREMUL;
+ else
+ ima->alpha_mode = IMA_ALPHA_STRAIGHT;
+
+ IMB_freeImBuf(ibuf);
+ }
+}
+
Image *BKE_image_load(const char *filepath)
{
Image *ima;
@@ -579,6 +595,8 @@ Image *BKE_image_load(const char *filepath)
if (BLI_testextensie_array(filepath, imb_ext_movie))
ima->source = IMA_SRC_MOVIE;
+ image_init_color_management(ima);
+
return ima;
}
@@ -666,7 +684,7 @@ static ImBuf *add_ibuf_size(unsigned int width, unsigned int height, const char
/* both byte and float buffers are filling in sRGB space, need to linearize float buffer after BKE_image_buf_fill* functions */
IMB_buffer_float_from_float(rect_float, rect_float, ibuf->channels, IB_PROFILE_LINEAR_RGB, IB_PROFILE_SRGB,
- ibuf->flags & IB_cm_predivide, ibuf->x, ibuf->y, ibuf->x, ibuf->x);
+ TRUE, ibuf->x, ibuf->y, ibuf->x, ibuf->x);
}
return ibuf;
@@ -2343,7 +2361,7 @@ void BKE_image_backup_render(Scene *scene, Image *ima)
static void image_create_multilayer(Image *ima, ImBuf *ibuf, int framenr)
{
const char *colorspace = ima->colorspace_settings.name;
- int predivide = ima->flag & IMA_CM_PREDIVIDE;
+ int predivide = ima->alpha_mode == IMA_ALPHA_PREMUL;
ima->rr = RE_MultilayerConvert(ibuf->userdata, colorspace, predivide, ibuf->x, ibuf->y);
@@ -2375,6 +2393,18 @@ static void image_initialize_after_load(Image *ima, ImBuf *ibuf)
}
+static int imbuf_alpha_flags_for_image(Image *ima)
+{
+ int flag = 0;
+
+ if (ima->flag & IMA_IGNORE_ALPHA)
+ flag |= IB_ignore_alpha;
+ else if (ima->alpha_mode == IMA_ALPHA_PREMUL)
+ flag |= IB_alphamode_premul;
+
+ return flag;
+}
+
static ImBuf *image_load_sequence_file(Image *ima, ImageUser *iuser, int frame)
{
struct ImBuf *ibuf;
@@ -2389,8 +2419,7 @@ static ImBuf *image_load_sequence_file(Image *ima, ImageUser *iuser, int frame)
BKE_image_user_file_path(iuser, ima, name);
flag = IB_rect | IB_multilayer;
- if (ima->flag & IMA_DO_PREMUL)
- flag |= IB_premul;
+ flag |= imbuf_alpha_flags_for_image(ima);
/* read ibuf */
ibuf = IMB_loadiffname(name, flag, ima->colorspace_settings.name);
@@ -2549,15 +2578,14 @@ static ImBuf *image_load_image_file(Image *ima, ImageUser *iuser, int cfra)
/* is there a PackedFile with this image ? */
if (ima->packedfile) {
flag = IB_rect | IB_multilayer;
- if (ima->flag & IMA_DO_PREMUL) flag |= IB_premul;
+ flag |= imbuf_alpha_flags_for_image(ima);
ibuf = IMB_ibImageFromMemory((unsigned char *)ima->packedfile->data, ima->packedfile->size, flag,
ima->colorspace_settings.name, "<packed data>");
}
else {
flag = IB_rect | IB_multilayer | IB_metadata;
- if (ima->flag & IMA_DO_PREMUL)
- flag |= IB_premul;
+ flag |= imbuf_alpha_flags_for_image(ima);
/* get the right string */
BKE_image_user_frame_calc(iuser, cfra, 0);
@@ -2777,15 +2805,6 @@ static ImBuf *image_get_render_result(Image *ima, ImageUser *iuser, void **lock_
ibuf->dither = dither;
- if (iuser->scene->r.color_mgt_flag & R_COLOR_MANAGEMENT_PREDIVIDE) {
- ibuf->flags |= IB_cm_predivide;
- ima->flag |= IMA_CM_PREDIVIDE;
- }
- else {
- ibuf->flags &= ~IB_cm_predivide;
- ima->flag &= ~IMA_CM_PREDIVIDE;
- }
-
ima->ok = IMA_OK_LOADED;
return ibuf;
diff --git a/source/blender/blenkernel/intern/seqeffects.c b/source/blender/blenkernel/intern/seqeffects.c
index 3bff209f53c..7dbbca6ddaa 100644
--- a/source/blender/blenkernel/intern/seqeffects.c
+++ b/source/blender/blenkernel/intern/seqeffects.c
@@ -156,42 +156,43 @@ static void init_alpha_over_or_under(Sequence *seq)
seq->seq1 = seq2;
}
-static void do_alphaover_effect_byte(float facf0, float facf1, int x, int y, char *rect1, char *rect2, char *out)
+static void do_alphaover_effect_byte(float facf0, float facf1, int x, int y, unsigned char *rect1, unsigned char *rect2, unsigned char *out)
{
- int fac2, mfac, fac, fac4;
- int xo, tempc;
- char *rt1, *rt2, *rt;
+ float fac2, mfac, fac, fac4;
+ int xo;
+ unsigned char *cp1, *cp2, *rt;
+ float tempc[4], rt1[4], rt2[4];
xo = x;
- rt1 = (char *) rect1;
- rt2 = (char *) rect2;
- rt = (char *) out;
+ cp1 = rect1;
+ cp2 = rect2;
+ rt = out;
- fac2 = (int) (256.0f * facf0);
- fac4 = (int) (256.0f * facf1);
+ fac2 = facf0;
+ fac4 = facf1;
while (y--) {
x = xo;
while (x--) {
-
/* rt = rt1 over rt2 (alpha from rt1) */
+ straight_uchar_to_premul_float(rt1, cp1);
+ straight_uchar_to_premul_float(rt2, cp2);
+
fac = fac2;
- mfac = 256 - ( (fac2 * rt1[3]) >> 8);
+ mfac = 1.0f - fac2 * rt1[3];
- if (fac == 0) *( (unsigned int *) rt) = *( (unsigned int *) rt2);
- else if (mfac == 0) *( (unsigned int *) rt) = *( (unsigned int *) rt1);
+ if (fac <= 0.0f) *( (unsigned int *) rt) = *( (unsigned int *) cp2);
+ else if (mfac <= 0.0f) *( (unsigned int *) rt) = *( (unsigned int *) cp1);
else {
- tempc = (fac * rt1[0] + mfac * rt2[0]) >> 8;
- if (tempc > 255) rt[0] = 255; else rt[0] = tempc;
- tempc = (fac * rt1[1] + mfac * rt2[1]) >> 8;
- if (tempc > 255) rt[1] = 255; else rt[1] = tempc;
- tempc = (fac * rt1[2] + mfac * rt2[2]) >> 8;
- if (tempc > 255) rt[2] = 255; else rt[2] = tempc;
- tempc = (fac * rt1[3] + mfac * rt2[3]) >> 8;
- if (tempc > 255) rt[3] = 255; else rt[3] = tempc;
+ tempc[0] = fac * rt1[0] + mfac * rt2[0];
+ tempc[1] = fac * rt1[1] + mfac * rt2[1];
+ tempc[2] = fac * rt1[2] + mfac * rt2[2];
+ tempc[3] = fac * rt1[3] + mfac * rt2[3];
+
+ premul_float_to_straight_uchar(rt, tempc);
}
- rt1 += 4; rt2 += 4; rt += 4;
+ cp1 += 4; cp2 += 4; rt += 4;
}
if (y == 0) break;
@@ -199,22 +200,23 @@ static void do_alphaover_effect_byte(float facf0, float facf1, int x, int y, ch
x = xo;
while (x--) {
+ straight_uchar_to_premul_float(rt1, cp1);
+ straight_uchar_to_premul_float(rt2, cp2);
+
fac = fac4;
- mfac = 256 - ( (fac4 * rt1[3]) >> 8);
+ mfac = 1.0f - (fac4 * rt1[3]);
- if (fac == 0) *( (unsigned int *) rt) = *( (unsigned int *) rt2);
- else if (mfac == 0) *( (unsigned int *) rt) = *( (unsigned int *) rt1);
+ if (fac <= 0.0f) *( (unsigned int *) rt) = *( (unsigned int *) cp2);
+ else if (mfac <= 0.0f) *( (unsigned int *) rt) = *( (unsigned int *) cp1);
else {
- tempc = (fac * rt1[0] + mfac * rt2[0]) >> 8;
- if (tempc > 255) rt[0] = 255; else rt[0] = tempc;
- tempc = (fac * rt1[1] + mfac * rt2[1]) >> 8;
- if (tempc > 255) rt[1] = 255; else rt[1] = tempc;
- tempc = (fac * rt1[2] + mfac * rt2[2]) >> 8;
- if (tempc > 255) rt[2] = 255; else rt[2] = tempc;
- tempc = (fac * rt1[3] + mfac * rt2[3]) >> 8;
- if (tempc > 255) rt[3] = 255; else rt[3] = tempc;
+ tempc[0] = fac * rt1[0] + mfac * rt2[0];
+ tempc[1] = fac * rt1[1] + mfac * rt2[1];
+ tempc[2] = fac * rt1[2] + mfac * rt2[2];
+ tempc[3] = fac * rt1[3] + mfac * rt2[3];
+
+ premul_float_to_straight_uchar(rt, tempc);
}
- rt1 += 4; rt2 += 4; rt += 4;
+ cp1 += 4; cp2 += 4; rt += 4;
}
}
}
@@ -298,17 +300,17 @@ static void do_alphaover_effect(SeqRenderData context, Sequence *UNUSED(seq), fl
slice_get_byte_buffers(&context, ibuf1, ibuf2, NULL, out, start_line, &rect1, &rect2, NULL, &rect_out);
- do_alphaover_effect_byte(facf0, facf1, context.rectx, total_lines, (char *) rect1, (char *) rect2, (char *) rect_out);
+ do_alphaover_effect_byte(facf0, facf1, context.rectx, total_lines, rect1, rect2, rect_out);
}
}
/*********************** Alpha Under *************************/
-static void do_alphaunder_effect_byte(float facf0, float facf1, int x, int y, char *rect1, char *rect2, char *out)
+static void do_alphaunder_effect_byte(float facf0, float facf1, int x, int y, unsigned char *rect1, unsigned char *rect2, unsigned char *out)
{
int fac2, mfac, fac, fac4;
int xo;
- char *rt1, *rt2, *rt;
+ unsigned char *rt1, *rt2, *rt;
xo = x;
rt1 = rect1;
@@ -460,17 +462,17 @@ static void do_alphaunder_effect(SeqRenderData context, Sequence *UNUSED(seq), f
slice_get_byte_buffers(&context, ibuf1, ibuf2, NULL, out, start_line, &rect1, &rect2, NULL, &rect_out);
- do_alphaunder_effect_byte(facf0, facf1, context.rectx, total_lines, (char *) rect1, (char *) rect2, (char *) rect_out);
+ do_alphaunder_effect_byte(facf0, facf1, context.rectx, total_lines, rect1, rect2, rect_out);
}
}
/*********************** Cross *************************/
-static void do_cross_effect_byte(float facf0, float facf1, int x, int y, char *rect1, char *rect2, char *out)
+static void do_cross_effect_byte(float facf0, float facf1, int x, int y, unsigned char *rect1, unsigned char *rect2, unsigned char *out)
{
int fac1, fac2, fac3, fac4;
int xo;
- char *rt1, *rt2, *rt;
+ unsigned char *rt1, *rt2, *rt;
xo = x;
rt1 = rect1;
@@ -570,7 +572,7 @@ static void do_cross_effect(SeqRenderData context, Sequence *UNUSED(seq), float
slice_get_byte_buffers(&context, ibuf1, ibuf2, NULL, out, start_line, &rect1, &rect2, NULL, &rect_out);
- do_cross_effect_byte(facf0, facf1, context.rectx, total_lines, (char *) rect1, (char *) rect2, (char *) rect_out);
+ do_cross_effect_byte(facf0, facf1, context.rectx, total_lines, rect1, rect2, rect_out);
}
}
@@ -713,31 +715,32 @@ static void free_gammacross(Sequence *UNUSED(seq))
static void do_gammacross_effect_byte(float facf0, float UNUSED(facf1), int x, int y, unsigned char *rect1,
unsigned char *rect2, unsigned char *out)
{
- int fac1, fac2, col;
+ float fac1, fac2;
int xo;
- unsigned char *rt1, *rt2, *rt;
-
+ unsigned char *cp1, *cp2, *rt;
+ float rt1[4], rt2[4], tempc[4];
+
xo = x;
- rt1 = (unsigned char *) rect1;
- rt2 = (unsigned char *) rect2;
- rt = (unsigned char *) out;
+ cp1 = rect1;
+ cp2 = rect2;
+ rt = out;
- fac2 = (int)(256.0f * facf0);
- fac1 = 256 - fac2;
+ fac2 = facf0;
+ fac1 = 1.0f - fac2;
while (y--) {
x = xo;
while (x--) {
- col = (fac1 * igamtab1[rt1[0]] + fac2 * igamtab1[rt2[0]]) >> 8;
- if (col > 65535) rt[0] = 255; else rt[0] = ( (char *)(gamtab + col))[MOST_SIG_BYTE];
- col = (fac1 * igamtab1[rt1[1]] + fac2 * igamtab1[rt2[1]]) >> 8;
- if (col > 65535) rt[1] = 255; else rt[1] = ( (char *)(gamtab + col))[MOST_SIG_BYTE];
- col = (fac1 * igamtab1[rt1[2]] + fac2 * igamtab1[rt2[2]]) >> 8;
- if (col > 65535) rt[2] = 255; else rt[2] = ( (char *)(gamtab + col))[MOST_SIG_BYTE];
- col = (fac1 * igamtab1[rt1[3]] + fac2 * igamtab1[rt2[3]]) >> 8;
- if (col > 65535) rt[3] = 255; else rt[3] = ( (char *)(gamtab + col))[MOST_SIG_BYTE];
+ straight_uchar_to_premul_float(rt1, cp1);
+ straight_uchar_to_premul_float(rt2, cp2);
- rt1 += 4; rt2 += 4; rt += 4;
+ tempc[0] = gammaCorrect(fac1 * invGammaCorrect(rt1[0]) + fac2 * invGammaCorrect(rt2[0]));
+ tempc[1] = gammaCorrect(fac1 * invGammaCorrect(rt1[1]) + fac2 * invGammaCorrect(rt2[1]));
+ tempc[2] = gammaCorrect(fac1 * invGammaCorrect(rt1[2]) + fac2 * invGammaCorrect(rt2[2]));
+ tempc[3] = gammaCorrect(fac1 * invGammaCorrect(rt1[3]) + fac2 * invGammaCorrect(rt2[3]));
+
+ premul_float_to_straight_uchar(rt, tempc);
+ cp1 += 4; cp2 += 4; rt += 4;
}
if (y == 0)
@@ -746,16 +749,16 @@ static void do_gammacross_effect_byte(float facf0, float UNUSED(facf1), int x,
x = xo;
while (x--) {
- col = (fac1 * igamtab1[rt1[0]] + fac2 * igamtab1[rt2[0]]) >> 8;
- if (col > 65535) rt[0] = 255; else rt[0] = ( (char *)(gamtab + col))[MOST_SIG_BYTE];
- col = (fac1 * igamtab1[rt1[1]] + fac2 * igamtab1[rt2[1]]) >> 8;
- if (col > 65535) rt[1] = 255; else rt[1] = ( (char *)(gamtab + col))[MOST_SIG_BYTE];
- col = (fac1 * igamtab1[rt1[2]] + fac2 * igamtab1[rt2[2]]) >> 8;
- if (col > 65535) rt[2] = 255; else rt[2] = ( (char *)(gamtab + col))[MOST_SIG_BYTE];
- col = (fac1 * igamtab1[rt1[3]] + fac2 * igamtab1[rt2[3]]) >> 8;
- if (col > 65535) rt[3] = 255; else rt[3] = ( (char *)(gamtab + col))[MOST_SIG_BYTE];
+ straight_uchar_to_premul_float(rt1, cp1);
+ straight_uchar_to_premul_float(rt2, cp2);
- rt1 += 4; rt2 += 4; rt += 4;
+ tempc[0] = gammaCorrect(fac1 * invGammaCorrect(rt1[0]) + fac2 * invGammaCorrect(rt2[0]));
+ tempc[1] = gammaCorrect(fac1 * invGammaCorrect(rt1[1]) + fac2 * invGammaCorrect(rt2[1]));
+ tempc[2] = gammaCorrect(fac1 * invGammaCorrect(rt1[2]) + fac2 * invGammaCorrect(rt2[2]));
+ tempc[3] = gammaCorrect(fac1 * invGammaCorrect(rt1[3]) + fac2 * invGammaCorrect(rt2[3]));
+
+ premul_float_to_straight_uchar(rt, tempc);
+ cp1 += 4; cp2 += 4; rt += 4;
}
}
}
@@ -828,31 +831,34 @@ static void do_gammacross_effect(SeqRenderData context, Sequence *UNUSED(seq), f
static void do_add_effect_byte(float facf0, float facf1, int x, int y, unsigned char *rect1, unsigned char *rect2,
unsigned char *out)
{
- int col, xo, fac1, fac3;
- char *rt1, *rt2, *rt;
+ int xo;
+ unsigned char *cp1, *cp2, *rt;
+ float fac1, fac3;
+ float tempc[4], rt1[4], rt2[4];
xo = x;
- rt1 = (char *)rect1;
- rt2 = (char *)rect2;
- rt = (char *)out;
+ cp1 = rect1;
+ cp2 = rect2;
+ rt = out;
- fac1 = (int)(256.0f * facf0);
- fac3 = (int)(256.0f * facf1);
+ fac1 = facf0;
+ fac3 = facf1;
while (y--) {
x = xo;
while (x--) {
- col = rt1[0] + ((fac1 * rt2[0]) >> 8);
- if (col > 255) rt[0] = 255; else rt[0] = col;
- col = rt1[1] + ((fac1 * rt2[1]) >> 8);
- if (col > 255) rt[1] = 255; else rt[1] = col;
- col = rt1[2] + ((fac1 * rt2[2]) >> 8);
- if (col > 255) rt[2] = 255; else rt[2] = col;
- col = rt1[3] + ((fac1 * rt2[3]) >> 8);
- if (col > 255) rt[3] = 255; else rt[3] = col;
+ straight_uchar_to_premul_float(rt1, cp1);
+ straight_uchar_to_premul_float(rt2, cp2);
- rt1 += 4; rt2 += 4; rt += 4;
+ tempc[0] = rt1[0] + fac1 * rt2[0];
+ tempc[1] = rt1[1] + fac1 * rt2[1];
+ tempc[2] = rt1[2] + fac1 * rt2[2];
+ tempc[3] = min_ff(1.0f, rt1[3] + fac1 * rt2[3]);
+
+ premul_float_to_straight_uchar(rt, tempc);
+
+ cp1 += 4; cp2 += 4; rt += 4;
}
if (y == 0)
@@ -861,16 +867,17 @@ static void do_add_effect_byte(float facf0, float facf1, int x, int y, unsigned
x = xo;
while (x--) {
- col = rt1[0] + ((fac3 * rt2[0]) >> 8);
- if (col > 255) rt[0] = 255; else rt[0] = col;
- col = rt1[1] + ((fac3 * rt2[1]) >> 8);
- if (col > 255) rt[1] = 255; else rt[1] = col;
- col = rt1[2] + ((fac3 * rt2[2]) >> 8);
- if (col > 255) rt[2] = 255; else rt[2] = col;
- col = rt1[3] + ((fac3 * rt2[3]) >> 8);
- if (col > 255) rt[3] = 255; else rt[3] = col;
+ straight_uchar_to_premul_float(rt1, cp1);
+ straight_uchar_to_premul_float(rt2, cp2);
- rt1 += 4; rt2 += 4; rt += 4;
+ tempc[0] = rt1[0] + fac3 * rt2[0];
+ tempc[1] = rt1[1] + fac3 * rt2[1];
+ tempc[2] = rt1[2] + fac3 * rt2[2];
+ tempc[3] = min_ff(1.0f, rt1[3] + fac3 * rt2[3]);
+
+ premul_float_to_straight_uchar(rt, tempc);
+
+ cp1 += 4; cp2 += 4; rt += 4;
}
}
}
@@ -890,22 +897,28 @@ static void do_add_effect_float(float facf0, float facf1, int x, int y, float *r
fac3 = facf1;
while (y--) {
- x = xo * 4;
+ x = xo;
while (x--) {
- *rt = *rt1 + fac1 * (*rt2);
+ rt[0] = rt1[0] + fac1 * rt2[0];
+ rt[1] = rt1[1] + fac1 * rt2[1];
+ rt[2] = rt1[2] + fac1 * rt2[2];
+ rt[3] = min_ff(1.0f, rt1[3] + fac1 * rt2[3]);
- rt1++; rt2++; rt++;
+ rt1 += 4; rt2 += 4; rt += 4;
}
if (y == 0)
break;
y--;
- x = xo * 4;
+ x = xo;
while (x--) {
- *rt = *rt1 + fac3 * (*rt2);
+ rt[0] = rt1[0] + fac1 * rt2[0];
+ rt[1] = rt1[1] + fac1 * rt2[1];
+ rt[2] = rt1[2] + fac1 * rt2[2];
+ rt[3] = min_ff(1.0f, rt1[3] + fac3 * rt2[3]);
- rt1++; rt2++; rt++;
+ rt1 += 4; rt2 += 4; rt += 4;
}
}
}
@@ -931,32 +944,35 @@ static void do_add_effect(SeqRenderData context, Sequence *UNUSED(seq), float UN
/*********************** Sub *************************/
-static void do_sub_effect_byte(float facf0, float facf1, int x, int y, char *rect1, char *rect2, char *out)
+static void do_sub_effect_byte(float facf0, float facf1, int x, int y, unsigned char *rect1, unsigned char *rect2, unsigned char *out)
{
- int col, xo, fac1, fac3;
- char *rt1, *rt2, *rt;
+ int xo;
+ unsigned char *cp1, *cp2, *rt;
+ float fac1, fac3;
+ float tempc[4], rt1[4], rt2[4];
xo = x;
- rt1 = (char *) rect1;
- rt2 = (char *) rect2;
- rt = (char *) out;
+ cp1 = rect1;
+ cp2 = rect2;
+ rt = out;
- fac1 = (int) (256.0f * facf0);
- fac3 = (int) (256.0f * facf1);
+ fac1 = facf0;
+ fac3 = facf1;
while (y--) {
x = xo;
while (x--) {
- col = rt1[0] - ((fac1 * rt2[0]) >> 8);
- if (col < 0) rt[0] = 0; else rt[0] = col;
- col = rt1[1] - ((fac1 * rt2[1]) >> 8);
- if (col < 0) rt[1] = 0; else rt[1] = col;
- col = rt1[2] - ((fac1 * rt2[2]) >> 8);
- if (col < 0) rt[2] = 0; else rt[2] = col;
- col = rt1[3] - ((fac1 * rt2[3]) >> 8);
- if (col < 0) rt[3] = 0; else rt[3] = col;
+ straight_uchar_to_premul_float(rt1, cp1);
+ straight_uchar_to_premul_float(rt2, cp2);
- rt1 += 4; rt2 += 4; rt += 4;
+ tempc[0] = rt1[0] - fac1 * rt2[0];
+ tempc[1] = rt1[1] - fac1 * rt2[1];
+ tempc[2] = rt1[2] - fac1 * rt2[2];
+ tempc[3] = rt1[3] - fac1 * rt2[3];
+
+ premul_float_to_straight_uchar(rt, tempc);
+
+ cp1 += 4; cp2 += 4; rt += 4;
}
if (y == 0)
@@ -965,16 +981,17 @@ static void do_sub_effect_byte(float facf0, float facf1, int x, int y, char *rec
x = xo;
while (x--) {
- col = rt1[0] - ((fac3 * rt2[0]) >> 8);
- if (col < 0) rt[0] = 0; else rt[0] = col;
- col = rt1[1] - ((fac3 * rt2[1]) >> 8);
- if (col < 0) rt[1] = 0; else rt[1] = col;
- col = rt1[2] - ((fac3 * rt2[2]) >> 8);
- if (col < 0) rt[2] = 0; else rt[2] = col;
- col = rt1[3] - ((fac3 * rt2[3]) >> 8);
- if (col < 0) rt[3] = 0; else rt[3] = col;
+ straight_uchar_to_premul_float(rt1, cp1);
+ straight_uchar_to_premul_float(rt2, cp2);
- rt1 += 4; rt2 += 4; rt += 4;
+ tempc[0] = rt1[0] - fac3 * rt2[0];
+ tempc[1] = rt1[1] - fac3 * rt2[1];
+ tempc[2] = rt1[2] - fac3 * rt2[2];
+ tempc[3] = rt1[3] - fac3 * rt2[3];
+
+ premul_float_to_straight_uchar(rt, tempc);
+
+ cp1 += 4; cp2 += 4; rt += 4;
}
}
}
@@ -1029,7 +1046,7 @@ static void do_sub_effect(SeqRenderData context, Sequence *UNUSED(seq), float UN
slice_get_byte_buffers(&context, ibuf1, ibuf2, NULL, out, start_line, &rect1, &rect2, NULL, &rect_out);
- do_sub_effect_byte(facf0, facf1, context.rectx, total_lines, (char *) rect1, (char *) rect2, (char *) rect_out);
+ do_sub_effect_byte(facf0, facf1, context.rectx, total_lines, rect1, rect2, rect_out);
}
}
@@ -1039,10 +1056,10 @@ static void do_sub_effect(SeqRenderData context, Sequence *UNUSED(seq), float UN
#define XOFF 8
#define YOFF 8
-static void do_drop_effect_byte(float facf0, float facf1, int x, int y, char *rect2i, char *rect1i, char *outi)
+static void do_drop_effect_byte(float facf0, float facf1, int x, int y, unsigned char *rect2i, unsigned char *rect1i, unsigned char *outi)
{
int height, width, temp, fac, fac1, fac2;
- char *rt1, *rt2, *out;
+ unsigned char *rt1, *rt2, *out;
int field = 1;
width = x;
@@ -1051,9 +1068,9 @@ static void do_drop_effect_byte(float facf0, float facf1, int x, int y, char *re
fac1 = (int) (70.0f * facf0);
fac2 = (int) (70.0f * facf1);
- rt2 = (char *) (rect2i + YOFF * width);
- rt1 = (char *) rect1i;
- out = (char *) outi;
+ rt2 = (unsigned char *) (rect2i + YOFF * width);
+ rt1 = (unsigned char *) rect1i;
+ out = (unsigned char *) outi;
for (y = 0; y < height - YOFF; y++) {
if (field) fac = fac1;
else fac = fac2;
@@ -1122,12 +1139,12 @@ static void do_mul_effect_byte(float facf0, float facf1, int x, int y, unsigned
unsigned char *out)
{
int xo, fac1, fac3;
- char *rt1, *rt2, *rt;
+ unsigned char *rt1, *rt2, *rt;
xo = x;
- rt1 = (char *)rect1;
- rt2 = (char *)rect2;
- rt = (char *)out;
+ rt1 = rect1;
+ rt2 = rect2;
+ rt = out;
fac1 = (int)(256.0f * facf0);
fac3 = (int)(256.0f * facf1);
@@ -1539,13 +1556,13 @@ static void do_wipe_effect_byte(Sequence *seq, float facf0, float UNUSED(facf1),
WipeZone wipezone;
WipeVars *wipe = (WipeVars *)seq->effectdata;
int xo, yo;
- char *rt1, *rt2, *rt;
+ unsigned char *cp1, *cp2, *rt;
precalc_wipe_zone(&wipezone, wipe, x, y);
- rt1 = (char *)rect1;
- rt2 = (char *)rect2;
- rt = (char *)out;
+ cp1 = rect1;
+ cp2 = rect2;
+ rt = out;
xo = x;
yo = y;
@@ -1553,11 +1570,18 @@ static void do_wipe_effect_byte(Sequence *seq, float facf0, float UNUSED(facf1),
for (x = 0; x < xo; x++) {
float check = check_zone(&wipezone, x, y, seq, facf0);
if (check) {
- if (rt1) {
- rt[0] = (int)(rt1[0] * check) + (int)(rt2[0] * (1 - check));
- rt[1] = (int)(rt1[1] * check) + (int)(rt2[1] * (1 - check));
- rt[2] = (int)(rt1[2] * check) + (int)(rt2[2] * (1 - check));
- rt[3] = (int)(rt1[3] * check) + (int)(rt2[3] * (1 - check));
+ if (cp1) {
+ float rt1[4], rt2[4], tempc[4];
+
+ straight_uchar_to_premul_float(rt1, cp1);
+ straight_uchar_to_premul_float(rt2, cp2);
+
+ tempc[0] = rt1[0] * check + rt2[0] * (1 - check);
+ tempc[1] = rt1[1] * check + rt2[1] * (1 - check);
+ tempc[2] = rt1[2] * check + rt2[2] * (1 - check);
+ tempc[3] = rt1[3] * check + rt2[3] * (1 - check);
+
+ premul_float_to_straight_uchar(rt, tempc);
}
else {
rt[0] = 0;
@@ -1567,11 +1591,11 @@ static void do_wipe_effect_byte(Sequence *seq, float facf0, float UNUSED(facf1),
}
}
else {
- if (rt2) {
- rt[0] = rt2[0];
- rt[1] = rt2[1];
- rt[2] = rt2[2];
- rt[3] = rt2[3];
+ if (cp2) {
+ rt[0] = cp2[0];
+ rt[1] = cp2[1];
+ rt[2] = cp2[2];
+ rt[3] = cp2[3];
}
else {
rt[0] = 0;
@@ -1582,11 +1606,11 @@ static void do_wipe_effect_byte(Sequence *seq, float facf0, float UNUSED(facf1),
}
rt += 4;
- if (rt1 != NULL) {
- rt1 += 4;
+ if (cp1 != NULL) {
+ cp1 += 4;
}
- if (rt2 != NULL) {
- rt2 += 4;
+ if (cp2 != NULL) {
+ cp2 += 4;
}
}
}
@@ -2254,16 +2278,42 @@ static void copy_glow_effect(Sequence *dst, Sequence *src)
}
static void do_glow_effect_byte(Sequence *seq, int render_size, float facf0, float UNUSED(facf1), int x, int y,
- char *rect1, char *UNUSED(rect2), char *out)
+ unsigned char *rect1, unsigned char *UNUSED(rect2), unsigned char *out)
{
- unsigned char *outbuf = (unsigned char *)out;
- unsigned char *inbuf = (unsigned char *)rect1;
+#if 0
+ /* XXX: not sure what's better here, on the one hand conversion to floats
+ * here is not so much trouble, but on the other hand who're using
+ * glow on buffers with alpha?
+ */
+ unsigned char *outbuf = out;
+ unsigned char *inbuf = rect1;
GlowVars *glow = (GlowVars *)seq->effectdata;
-
+
RVIsolateHighlights_byte(inbuf, outbuf, x, y, glow->fMini * 765, glow->fBoost * facf0, glow->fClamp);
RVBlurBitmap2_byte(outbuf, x, y, glow->dDist * (render_size / 100.0f), glow->dQuality);
if (!glow->bNoComp)
RVAddBitmaps_byte(inbuf, outbuf, outbuf, x, y);
+#else
+ float *outbuf, *inbuf;
+ GlowVars *glow = (GlowVars *)seq->effectdata;
+
+ inbuf = MEM_mallocN(4 * sizeof(float) * x * y, "glow effect input");
+ outbuf = MEM_mallocN(4 * sizeof(float) * x * y, "glow effect output");
+
+ IMB_buffer_float_from_byte(inbuf, rect1, IB_PROFILE_SRGB, IB_PROFILE_SRGB, FALSE, x, y, x, x);
+ IMB_buffer_float_premultiply(inbuf, x, y);
+
+ RVIsolateHighlights_float(inbuf, outbuf, x, y, glow->fMini * 3.0f, glow->fBoost * facf0, glow->fClamp);
+ RVBlurBitmap2_float(outbuf, x, y, glow->dDist * (render_size / 100.0f), glow->dQuality);
+ if (!glow->bNoComp)
+ RVAddBitmaps_float(inbuf, outbuf, outbuf, x, y);
+
+ IMB_buffer_float_unpremultiply(outbuf, x, y);
+ IMB_buffer_byte_from_float(out, outbuf, 4, 0.0f, IB_PROFILE_SRGB, IB_PROFILE_SRGB, FALSE, x, y, x, x);
+
+ MEM_freeN(inbuf);
+ MEM_freeN(outbuf);
+#endif
}
static void do_glow_effect_float(Sequence *seq, int render_size, float facf0, float UNUSED(facf1), int x, int y,
@@ -2292,7 +2342,7 @@ static ImBuf *do_glow_effect(SeqRenderData context, Sequence *seq, float UNUSED(
}
else {
do_glow_effect_byte(seq, render_size, facf0, facf1, context.rectx, context.recty,
- (char *) ibuf1->rect, (char *) ibuf2->rect, (char *) out->rect);
+ (unsigned char *) ibuf1->rect, (unsigned char *) ibuf2->rect, (unsigned char *) out->rect);
}
return out;
@@ -2735,7 +2785,7 @@ static ImBuf *do_speed_effect(SeqRenderData context, Sequence *UNUSED(seq), floa
}
else {
do_cross_effect_byte(facf0, facf1, context.rectx, context.recty,
- (char *) ibuf1->rect, (char *) ibuf2->rect, (char *) out->rect);
+ (unsigned char *) ibuf1->rect, (unsigned char *) ibuf2->rect, (unsigned char *) out->rect);
}
return out;
}
@@ -2761,8 +2811,8 @@ static void do_overdrop_effect(SeqRenderData context, Sequence *UNUSED(seq), flo
slice_get_byte_buffers(&context, ibuf1, ibuf2, NULL, out, start_line, &rect1, &rect2, NULL, &rect_out);
- do_drop_effect_byte(facf0, facf1, x, y, (char *) rect1, (char *) rect2, (char *) rect_out);
- do_alphaover_effect_byte(facf0, facf1, x, y, (char *) rect1, (char *) rect2, (char *) rect_out);
+ do_drop_effect_byte(facf0, facf1, x, y, rect1, rect2, rect_out);
+ do_alphaover_effect_byte(facf0, facf1, x, y, rect1, rect2, rect_out);
}
}
diff --git a/source/blender/blenkernel/intern/seqmodifier.c b/source/blender/blenkernel/intern/seqmodifier.c
index 5b2e9f2bf23..3d8a2f7cddf 100644
--- a/source/blender/blenkernel/intern/seqmodifier.c
+++ b/source/blender/blenkernel/intern/seqmodifier.c
@@ -226,24 +226,28 @@ static void curves_apply_threaded(int width, int height, unsigned char *rect, fl
}
if (rect) {
unsigned char *pixel = rect + pixel_index;
- unsigned char result[3];
+ float result[3], tempc[4];
- curvemapping_evaluate_premulRGB(curve_mapping, result, pixel);
+ straight_uchar_to_premul_float(tempc, pixel);
+
+ curvemapping_evaluate_premulRGBF(curve_mapping, result, tempc);
if (mask_rect) {
float t[3];
rgb_uchar_to_float(t, mask_rect + pixel_index);
- pixel[0] = pixel[0] * (1.0f - t[0]) + result[0] * t[0];
- pixel[1] = pixel[1] * (1.0f - t[1]) + result[1] * t[1];
- pixel[2] = pixel[2] * (1.0f - t[2]) + result[2] * t[2];
+ tempc[0] = pixel[0] * (1.0f - t[0]) + result[0] * t[0];
+ tempc[1] = pixel[1] * (1.0f - t[1]) + result[1] * t[1];
+ tempc[2] = pixel[2] * (1.0f - t[2]) + result[2] * t[2];
}
else {
- pixel[0] = result[0];
- pixel[1] = result[1];
- pixel[2] = result[2];
+ tempc[0] = result[0];
+ tempc[1] = result[1];
+ tempc[2] = result[2];
}
+
+ premul_float_to_straight_uchar(pixel, tempc);
}
}
}
diff --git a/source/blender/blenkernel/intern/sequencer.c b/source/blender/blenkernel/intern/sequencer.c
index a82704d9e38..69c125b0ece 100644
--- a/source/blender/blenkernel/intern/sequencer.c
+++ b/source/blender/blenkernel/intern/sequencer.c
@@ -324,7 +324,6 @@ void BKE_sequencer_imbuf_to_sequencer_space(Scene *scene, ImBuf *ibuf, int make_
{
const char *from_colorspace = IMB_colormanagement_role_colorspace_name_get(COLOR_ROLE_SCENE_LINEAR);
const char *to_colorspace = scene->sequencer_colorspace_settings.name;
- int predivide = ibuf->flags & IB_cm_predivide;
if (!ibuf->rect_float) {
if (make_float && ibuf->rect) {
@@ -354,7 +353,7 @@ void BKE_sequencer_imbuf_to_sequencer_space(Scene *scene, ImBuf *ibuf, int make_
imb_freerectImBuf(ibuf);
IMB_colormanagement_transform_threaded(ibuf->rect_float, ibuf->x, ibuf->y, ibuf->channels,
- from_colorspace, to_colorspace, predivide);
+ from_colorspace, to_colorspace, TRUE);
}
}
@@ -367,10 +366,8 @@ void BKE_sequencer_imbuf_from_sequencer_space(Scene *scene, ImBuf *ibuf)
return;
if (to_colorspace && to_colorspace[0] != '\0') {
- int predivide = ibuf->flags & IB_cm_predivide;
-
IMB_colormanagement_transform_threaded(ibuf->rect_float, ibuf->x, ibuf->y, ibuf->channels,
- from_colorspace, to_colorspace, predivide);
+ from_colorspace, to_colorspace, TRUE);
}
}
@@ -1517,18 +1514,6 @@ MINLINE float color_balance_fl(float in, const float lift, const float gain, con
return powf(x, gamma) * mul;
}
-static void make_cb_table_byte(float lift, float gain, float gamma,
- unsigned char *table, float mul)
-{
- int y;
-
- for (y = 0; y < 256; y++) {
- float v = color_balance_fl((float)y * (1.0f / 255.0f), lift, gain, gamma, mul);
-
- table[y] = FTOCHAR(v);
- }
-}
-
static void make_cb_table_float(float lift, float gain, float gamma,
float *table, float mul)
{
@@ -1543,35 +1528,33 @@ static void make_cb_table_float(float lift, float gain, float gamma,
static void color_balance_byte_byte(StripColorBalance *cb_, unsigned char *rect, unsigned char *mask_rect, int width, int height, float mul)
{
- unsigned char cb_tab[3][256];
- int c;
- unsigned char *p = rect;
- unsigned char *e = p + width * 4 * height;
+ //unsigned char cb_tab[3][256];
+ unsigned char *cp = rect;
+ unsigned char *e = cp + width * 4 * height;
unsigned char *m = mask_rect;
StripColorBalance cb = calc_cb(cb_);
- for (c = 0; c < 3; c++) {
- make_cb_table_byte(cb.lift[c], cb.gain[c], cb.gamma[c], cb_tab[c], mul);
- }
+ while (cp < e) {
+ float p[4];
+ int c;
- while (p < e) {
- if (m) {
- float t[3] = {m[0] / 255.0f, m[1] / 255.0f, m[2] / 255.0f};
+ straight_uchar_to_premul_float(p, cp);
- p[0] = p[0] * (1.0f - t[0]) + t[0] * cb_tab[0][p[0]];
- p[1] = p[1] * (1.0f - t[1]) + t[1] * cb_tab[1][p[1]];
- p[2] = p[2] * (1.0f - t[2]) + t[2] * cb_tab[2][p[2]];
+ for (c = 0; c < 3; c++) {
+ float t = color_balance_fl(p[c], cb.lift[c], cb.gain[c], cb.gamma[c], mul);
- m += 4;
- }
- else {
- p[0] = cb_tab[0][p[0]];
- p[1] = cb_tab[1][p[1]];
- p[2] = cb_tab[2][p[2]];
+ if (m)
+ p[c] = p[c] * (1.0f - (float)m[c] / 255.0f) + t * m[c];
+ else
+ p[c] = t;
}
- p += 4;
+ premul_float_to_straight_uchar(cp, p);
+
+ cp += 4;
+ if (m)
+ m += 4;
}
}
@@ -1795,7 +1778,7 @@ int BKE_sequencer_input_have_to_preprocess(SeqRenderData UNUSED(context), Sequen
{
float mul;
- if (seq->flag & (SEQ_FILTERY | SEQ_USE_CROP | SEQ_USE_TRANSFORM | SEQ_FLIPX | SEQ_FLIPY | SEQ_MAKE_PREMUL | SEQ_MAKE_FLOAT)) {
+ if (seq->flag & (SEQ_FILTERY | SEQ_USE_CROP | SEQ_USE_TRANSFORM | SEQ_FLIPX | SEQ_FLIPY | SEQ_MAKE_FLOAT)) {
return TRUE;
}
@@ -1892,7 +1875,8 @@ static ImBuf *input_preprocess(SeqRenderData context, Sequence *seq, float cfra,
ImBuf *i = IMB_allocImBuf(dx, dy, 32, ibuf->rect_float ? IB_rectfloat : IB_rect);
IMB_rectcpy(i, ibuf, t.xofs, t.yofs, c.left, c.bottom, sx, sy);
-
+ sequencer_imbuf_assign_spaces(context.scene, i);
+
IMB_freeImBuf(ibuf);
ibuf = i;
@@ -1931,12 +1915,6 @@ static ImBuf *input_preprocess(SeqRenderData context, Sequence *seq, float cfra,
multibuf(ibuf, mul);
}
- if (seq->flag & SEQ_MAKE_PREMUL) {
- if (ibuf->planes == 32 && ibuf->zbuf == NULL) {
- IMB_premultiply_alpha(ibuf);
- }
- }
-
if (ibuf->x != context.rectx || ibuf->y != context.recty) {
if (context.scene->r.mode & R_OSA) {
IMB_scaleImBuf(ibuf, (short)context.rectx, (short)context.recty);
@@ -2546,13 +2524,18 @@ static ImBuf *do_render_strip_uncached(SeqRenderData context, Sequence *seq, flo
case SEQ_TYPE_IMAGE:
{
StripElem *s_elem = BKE_sequencer_give_stripelem(seq, cfra);
+ int flag;
if (s_elem) {
BLI_join_dirfile(name, sizeof(name), seq->strip->dir, s_elem->name);
BLI_path_abs(name, G.main->name);
}
- if (s_elem && (ibuf = IMB_loadiffname(name, IB_rect, seq->strip->colorspace_settings.name))) {
+ flag = IB_rect;
+ if (seq->alpha_mode == SEQ_ALPHA_PREMUL)
+ flag |= IB_alphamode_premul;
+
+ if (s_elem && (ibuf = IMB_loadiffname(name, flag, seq->strip->colorspace_settings.name))) {
/* we don't need both (speed reasons)! */
if (ibuf->rect_float && ibuf->rect)
imb_freerectImBuf(ibuf);
@@ -2641,7 +2624,7 @@ static ImBuf *do_render_strip_uncached(SeqRenderData context, Sequence *seq, flo
static ImBuf *seq_render_strip(SeqRenderData context, Sequence *seq, float cfra)
{
ImBuf *ibuf = NULL;
- int use_preprocess = BKE_sequencer_input_have_to_preprocess(context, seq, cfra);
+ int use_preprocess = FALSE;
int is_proxy_image = FALSE;
float nr = give_stripelem_index(seq, cfra);
/* all effects are handled similarly with the exception of speed effect */
@@ -2650,30 +2633,36 @@ static ImBuf *seq_render_strip(SeqRenderData context, Sequence *seq, float cfra)
ibuf = BKE_sequencer_cache_get(context, seq, cfra, SEQ_STRIPELEM_IBUF);
- /* currently, we cache preprocessed images in SEQ_STRIPELEM_IBUF,
- * but not(!) on SEQ_STRIPELEM_IBUF_ENDSTILL and ..._STARTSTILL */
- if (ibuf)
- use_preprocess = FALSE;
-
- if (ibuf == NULL)
- ibuf = copy_from_ibuf_still(context, seq, nr);
-
if (ibuf == NULL) {
- ibuf = BKE_sequencer_preprocessed_cache_get(context, seq, cfra, SEQ_STRIPELEM_IBUF);
+ if (ibuf == NULL)
+ ibuf = copy_from_ibuf_still(context, seq, nr);
if (ibuf == NULL) {
- /* MOVIECLIPs have their own proxy management */
- if (ibuf == NULL && seq->type != SEQ_TYPE_MOVIECLIP) {
- ibuf = seq_proxy_fetch(context, seq, cfra);
- is_proxy_image = (ibuf != NULL);
- }
+ ibuf = BKE_sequencer_preprocessed_cache_get(context, seq, cfra, SEQ_STRIPELEM_IBUF);
- if (ibuf == NULL)
- ibuf = do_render_strip_uncached(context, seq, cfra);
+ if (ibuf == NULL) {
+ /* MOVIECLIPs have their own proxy management */
+ if (ibuf == NULL && seq->type != SEQ_TYPE_MOVIECLIP) {
+ ibuf = seq_proxy_fetch(context, seq, cfra);
+ is_proxy_image = (ibuf != NULL);
+ }
- if (ibuf)
- BKE_sequencer_preprocessed_cache_put(context, seq, cfra, SEQ_STRIPELEM_IBUF, ibuf);
+ if (ibuf == NULL)
+ ibuf = do_render_strip_uncached(context, seq, cfra);
+
+ if (ibuf)
+ BKE_sequencer_preprocessed_cache_put(context, seq, cfra, SEQ_STRIPELEM_IBUF, ibuf);
+ }
}
+
+ if (ibuf)
+ use_preprocess = BKE_sequencer_input_have_to_preprocess(context, seq, cfra);
+ }
+ else {
+ /* currently, we cache preprocessed images in SEQ_STRIPELEM_IBUF,
+ * but not(!) on SEQ_STRIPELEM_IBUF_ENDSTILL and ..._STARTSTILL
+ * so, no need in check for preprocess here
+ */
}
if (ibuf == NULL) {
@@ -3975,6 +3964,14 @@ void BKE_sequence_init_colorspace(Sequence *seq)
if (seq->type == SEQ_TYPE_IMAGE) {
ibuf = IMB_loadiffname(name, IB_rect, seq->strip->colorspace_settings.name);
+ /* byte images are default to straight alpha, however sequencer
+ * works in premul space, so mark strip to be premultiplied first
+ */
+ if (!ibuf->rect_float)
+ seq->alpha_mode = SEQ_ALPHA_STRAIGHT;
+ else
+ seq->alpha_mode = SEQ_ALPHA_PREMUL;
+
if (ibuf)
IMB_freeImBuf(ibuf);
}
diff --git a/source/blender/blenkernel/intern/texture.c b/source/blender/blenkernel/intern/texture.c
index 149842bc038..fbaf6f70fbc 100644
--- a/source/blender/blenkernel/intern/texture.c
+++ b/source/blender/blenkernel/intern/texture.c
@@ -440,7 +440,7 @@ void default_tex(Tex *tex)
tex->type = TEX_CLOUDS;
tex->stype = 0;
tex->flag = TEX_CHECKER_ODD;
- tex->imaflag = TEX_INTERPOL | TEX_MIPMAP | TEX_USEALPHA;
+ tex->imaflag = TEX_INTERPOL | TEX_MIPMAP;
tex->extend = TEX_REPEAT;
tex->cropxmin = tex->cropymin = 0.0;
tex->cropxmax = tex->cropymax = 1.0;
diff --git a/source/blender/blenlib/BLI_math_color.h b/source/blender/blenlib/BLI_math_color.h
index c71463da61d..3831ec3cbb4 100644
--- a/source/blender/blenlib/BLI_math_color.h
+++ b/source/blender/blenlib/BLI_math_color.h
@@ -100,6 +100,13 @@ MINLINE void linearrgb_to_srgb_uchar4(unsigned char srgb[4], const float linear[
void BLI_init_srgb_conversion(void);
+/**************** Alpha Transformations *****************/
+
+MINLINE void premul_to_straight_v4(float straight[4], const float premul[4]);
+MINLINE void straight_to_premul_v4(float straight[4], const float premul[4]);
+MINLINE void straight_uchar_to_premul_float(float result[4], const unsigned char color[4]);
+MINLINE void premul_float_to_straight_uchar(unsigned char *result, const float color[4]);
+
/************************** Other *************************/
int constrain_rgb(float *r, float *g, float *b);
diff --git a/source/blender/blenlib/intern/math_color_inline.c b/source/blender/blenlib/intern/math_color_inline.c
index 4c8bd43ef73..b8eeca50db6 100644
--- a/source/blender/blenlib/intern/math_color_inline.c
+++ b/source/blender/blenlib/intern/math_color_inline.c
@@ -149,31 +149,6 @@ MINLINE void linearrgb_to_srgb_ushort4(unsigned short srgb[4], const float linea
srgb[3] = FTOUSHORT(linear[3]);
}
-MINLINE void linearrgb_to_srgb_ushort4_predivide(unsigned short srgb[4], const float linear[4])
-{
- float alpha, inv_alpha, t;
- int i;
-
- if (linear[3] == 1.0f || linear[3] == 0.0f) {
- linearrgb_to_srgb_ushort4(srgb, linear);
- return;
- }
-
- alpha = linear[3];
- inv_alpha = 1.0f / alpha;
-
- for (i = 0; i < 3; ++i) {
- t = linear[i] * inv_alpha;
- srgb[i] = (t <= 1.0f) ?
- /* warning - converts: float -> short -> float -> short */
- (unsigned short) (to_srgb_table_lookup(t) * alpha) :
- /* if FTOUSHORT was an inline function this could be done less confusingly */
- ((t = linearrgb_to_srgb(t) * alpha), FTOUSHORT(t));
- }
-
- srgb[3] = FTOUSHORT(linear[3]);
-}
-
MINLINE void srgb_to_linearrgb_uchar4(float linear[4], const unsigned char srgb[4])
{
linear[0] = BLI_color_from_srgb_table[srgb[0]];
@@ -293,4 +268,62 @@ MINLINE int compare_rgb_uchar(const unsigned char col_a[3], const unsigned char
return 0;
}
+/**************** Alpha Transformations *****************/
+
+MINLINE void premul_to_straight_v4(float straight[4], const float premul[4])
+{
+ if (premul[3] == 0.0f || premul[3] == 1.0f) {
+ straight[0] = premul[0];
+ straight[1] = premul[1];
+ straight[2] = premul[2];
+ straight[3] = premul[3];
+ }
+ else {
+ float alpha_inv = 1.0f / premul[3];
+ straight[0] = premul[0] * alpha_inv;
+ straight[1] = premul[1] * alpha_inv;
+ straight[2] = premul[2] * alpha_inv;
+ straight[3] = premul[3];
+ }
+}
+
+MINLINE void straight_to_premul_v4(float premul[4], const float straight[4])
+{
+ float alpha = straight[3];
+ premul[0] = straight[0] * alpha;
+ premul[1] = straight[1] * alpha;
+ premul[2] = straight[2] * alpha;
+ premul[3] = straight[3];
+}
+
+MINLINE void straight_uchar_to_premul_float(float result[4], const unsigned char color[4])
+{
+ float alpha = color[3] / 255.0f;
+ float fac = alpha / 255.0f;
+
+ result[0] = color[0] * fac;
+ result[1] = color[1] * fac;
+ result[2] = color[2] * fac;
+ result[3] = alpha;
+}
+
+MINLINE void premul_float_to_straight_uchar(unsigned char *result, const float color[4])
+{
+ if (color[3] == 0.0f || color[3] == 1.0f) {
+ result[0] = FTOCHAR(color[0]);
+ result[1] = FTOCHAR(color[1]);
+ result[2] = FTOCHAR(color[2]);
+ result[3] = FTOCHAR(color[3]);
+ }
+ else {
+ float alpha_inv = 1.0f / color[3];
+
+ /* hopefully this would be optimized */
+ result[0] = FTOCHAR(color[0] * alpha_inv);
+ result[1] = FTOCHAR(color[1] * alpha_inv);
+ result[2] = FTOCHAR(color[2] * alpha_inv);
+ result[3] = FTOCHAR(color[3]);
+ }
+}
+
#endif /* __MATH_COLOR_INLINE_C__ */
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 8ddd69f2f03..7827a3a9bf1 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -8568,14 +8568,40 @@ static void do_versions(FileData *fd, Library *lib, Main *main)
}
}
- {
+ if (main->versionfile < 265 || (main->versionfile == 265 && main->subversionfile < 5)) {
Scene *scene;
+ Image *image;
+ Tex *tex;
for (scene = main->scene.first; scene; scene = scene->id.next) {
+ Sequence *seq;
+
+ SEQ_BEGIN (scene->ed, seq)
+ {
+ if (seq->flag & SEQ_MAKE_PREMUL)
+ seq->alpha_mode = SEQ_ALPHA_STRAIGHT;
+ }
+ SEQ_END
+
if (scene->r.bake_samples == 0)
- scene->r.bake_samples = 256;
+ scene->r.bake_samples = 256;
+ }
+
+ for (image = main->image.first; image; image = image->id.next) {
+ if (image->flag & IMA_DO_PREMUL)
+ image->alpha_mode = IMA_ALPHA_STRAIGHT;
+ }
+
+ for (tex = main->tex.first; tex; tex = tex->id.next) {
+ if (tex->type == TEX_IMAGE && (tex->imaflag & TEX_USEALPHA) == 0) {
+ if (tex->ima) {
+ image = blo_do_versions_newlibadr(fd, lib, tex->ima);
+ image->flag |= IMA_IGNORE_ALPHA;
+ }
+ }
}
}
+
/* WATCH IT!!!: pointers from libdata have not been converted yet here! */
/* WATCH IT 2!: Userdef struct init has to be in editors/interface/resources.c! */
diff --git a/source/blender/blenloader/intern/versioning_legacy.c b/source/blender/blenloader/intern/versioning_legacy.c
index 2e783ac956e..65a60e11ab3 100644
--- a/source/blender/blenloader/intern/versioning_legacy.c
+++ b/source/blender/blenloader/intern/versioning_legacy.c
@@ -289,11 +289,10 @@ static void ntree_version_245(FileData *fd, Library *lib, bNodeTree *ntree)
iuser = node->storage;
if (iuser->flag & IMA_OLD_PREMUL) {
iuser->flag &= ~IMA_OLD_PREMUL;
- iuser->flag |= IMA_DO_PREMUL;
}
if (iuser->flag & IMA_DO_PREMUL) {
image->flag &= ~IMA_OLD_PREMUL;
- image->flag |= IMA_DO_PREMUL;
+ image->alpha_mode = IMA_ALPHA_STRAIGHT;
}
}
}
@@ -1840,7 +1839,7 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *main)
SEQ_BEGIN (sce->ed, seq)
{
if (seq->type == SEQ_TYPE_IMAGE || seq->type == SEQ_TYPE_MOVIE)
- seq->flag |= SEQ_MAKE_PREMUL;
+ seq->alpha_mode = SEQ_ALPHA_STRAIGHT;
}
SEQ_END
}
@@ -2901,20 +2900,19 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *main)
for (ima = main->image.first; ima; ima = ima->id.next) {
if (ima->flag & IMA_OLD_PREMUL) {
ima->flag &= ~IMA_OLD_PREMUL;
- ima->flag |= IMA_DO_PREMUL;
+ ima->alpha_mode = IMA_ALPHA_STRAIGHT;
}
}
for (tex = main->tex.first; tex; tex = tex->id.next) {
if (tex->iuser.flag & IMA_OLD_PREMUL) {
tex->iuser.flag &= ~IMA_OLD_PREMUL;
- tex->iuser.flag |= IMA_DO_PREMUL;
}
ima = blo_do_versions_newlibadr(fd, lib, tex->ima);
if (ima && (tex->iuser.flag & IMA_DO_PREMUL)) {
ima->flag &= ~IMA_OLD_PREMUL;
- ima->flag |= IMA_DO_PREMUL;
+ ima->alpha_mode = IMA_ALPHA_STRAIGHT;
}
}
}
diff --git a/source/blender/collada/DocumentImporter.cpp b/source/blender/collada/DocumentImporter.cpp
index 084f71e0afc..b7797b51252 100644
--- a/source/blender/collada/DocumentImporter.cpp
+++ b/source/blender/collada/DocumentImporter.cpp
@@ -614,7 +614,6 @@ MTex *DocumentImporter::create_texture(COLLADAFW::EffectCommon *ef, COLLADAFW::T
ma->mtex[i]->texco = TEXCO_UV;
ma->mtex[i]->tex = add_texture("Texture");
ma->mtex[i]->tex->type = TEX_IMAGE;
- ma->mtex[i]->tex->imaflag &= ~TEX_USEALPHA;
ma->mtex[i]->tex->ima = uid_image_map[ima_uid];
texindex_texarray_map[ctex.getTextureMapId()].push_back(ma->mtex[i]);
@@ -745,7 +744,6 @@ void DocumentImporter::write_profile_COMMON(COLLADAFW::EffectCommon *ef, Materia
mtex = create_texture(ef, ctex, ma, i, texindex_texarray_map);
if (mtex != NULL) {
mtex->mapto = MAP_ALPHA;
- mtex->tex->imaflag |= TEX_USEALPHA;
i++;
ma->spectra = ma->alpha = 0;
ma->mode |= MA_ZTRANSP | MA_TRANSP;
diff --git a/source/blender/editors/render/render_preview.c b/source/blender/editors/render/render_preview.c
index a864fe306b3..6ca8478b489 100644
--- a/source/blender/editors/render/render_preview.c
+++ b/source/blender/editors/render/render_preview.c
@@ -502,7 +502,7 @@ static int ed_preview_draw_rect(ScrArea *sa, Scene *sce, ID *id, int split, int
/* exception: don't color manage texture previews - show the raw values */
if (sce) {
do_gamma_correct = TRUE;
- do_predivide = sce->r.color_mgt_flag & R_COLOR_MANAGEMENT_PREDIVIDE;
+ do_predivide = TRUE;
}
}
diff --git a/source/blender/editors/space_image/image_buttons.c b/source/blender/editors/space_image/image_buttons.c
index 09d203784e4..060a181612b 100644
--- a/source/blender/editors/space_image/image_buttons.c
+++ b/source/blender/editors/space_image/image_buttons.c
@@ -674,6 +674,24 @@ void uiTemplateImage(uiLayout *layout, bContext *C, PointerRNA *ptr, const char
if (ima->source != IMA_SRC_GENERATED) {
if (compact == 0) { /* background image view doesnt need these */
+ ImBuf *ibuf = BKE_image_acquire_ibuf(ima, iuser, NULL);
+ int has_alpha = TRUE;
+
+ if (ibuf) {
+ int imtype = BKE_ftype_to_imtype(ibuf->ftype);
+ char valid_channels = BKE_imtype_valid_channels(imtype);
+
+ has_alpha = valid_channels & IMA_CHAN_FLAG_ALPHA;
+
+ BKE_image_release_ibuf(ima, ibuf, NULL);
+ }
+
+ if (has_alpha) {
+ col = uiLayoutColumn(layout, FALSE);
+ uiItemR(col, &imaptr, "use_alpha", 0, NULL, ICON_NONE);
+ uiItemR(col, &imaptr, "alpha_mode", 0, "Alpha", ICON_NONE);
+ }
+
uiItemS(layout);
split = uiLayoutSplit(layout, 0.0f, FALSE);
@@ -694,10 +712,6 @@ void uiTemplateImage(uiLayout *layout, bContext *C, PointerRNA *ptr, const char
row = uiLayoutRow(col, FALSE);
uiLayoutSetActive(row, RNA_boolean_get(&imaptr, "use_fields"));
uiItemR(row, &imaptr, "field_order", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
-
- row = uiLayoutRow(layout, FALSE);
- uiItemR(row, &imaptr, "use_premultiply", 0, NULL, ICON_NONE);
- uiItemR(row, &imaptr, "use_color_unpremultiply", 0, NULL, ICON_NONE);
}
}
diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c
index a633b39cb32..254899e6e07 100644
--- a/source/blender/gpu/intern/gpu_draw.c
+++ b/source/blender/gpu/intern/gpu_draw.c
@@ -556,8 +556,9 @@ int GPU_verify_image(Image *ima, ImageUser *iuser, int tftile, int compare, int
if (do_color_management) {
srgb_frect = MEM_mallocN(ibuf->x*ibuf->y*sizeof(float)*4, "floar_buf_col_cor");
IMB_buffer_float_from_float(srgb_frect, ibuf->rect_float,
- ibuf->channels, IB_PROFILE_SRGB, IB_PROFILE_LINEAR_RGB, 0,
+ ibuf->channels, IB_PROFILE_SRGB, IB_PROFILE_LINEAR_RGB, TRUE,
ibuf->x, ibuf->y, ibuf->x, ibuf->x);
+ IMB_buffer_float_unpremultiply(srgb_frect, ibuf->x, ibuf->y);
/* clamp buffer colors to 1.0 to avoid artifacts due to glu for hdr images */
IMB_buffer_float_clamp(srgb_frect, ibuf->x, ibuf->y);
frect= srgb_frect + texwinsy*ibuf->x + texwinsx;
@@ -581,8 +582,9 @@ int GPU_verify_image(Image *ima, ImageUser *iuser, int tftile, int compare, int
if (do_color_management) {
frect = srgb_frect = MEM_mallocN(ibuf->x*ibuf->y*sizeof(*srgb_frect)*4, "floar_buf_col_cor");
IMB_buffer_float_from_float(srgb_frect, ibuf->rect_float,
- ibuf->channels, IB_PROFILE_SRGB, IB_PROFILE_LINEAR_RGB, 0,
+ ibuf->channels, IB_PROFILE_SRGB, IB_PROFILE_LINEAR_RGB, TRUE,
ibuf->x, ibuf->y, ibuf->x, ibuf->x);
+ IMB_buffer_float_unpremultiply(srgb_frect, ibuf->x, ibuf->y);
/* clamp buffer colors to 1.0 to avoid artifacts due to glu for hdr images */
IMB_buffer_float_clamp(srgb_frect, ibuf->x, ibuf->y);
}
diff --git a/source/blender/gpu/intern/gpu_material.c b/source/blender/gpu/intern/gpu_material.c
index 2039f01a740..a2fc1eb05ec 100644
--- a/source/blender/gpu/intern/gpu_material.c
+++ b/source/blender/gpu/intern/gpu_material.c
@@ -1035,8 +1035,7 @@ static void do_material_tex(GPUShadeInput *shi)
GPU_link(mat, "mtex_image", texco, GPU_image(tex->ima, &tex->iuser, FALSE), &tin, &trgb);
rgbnor= TEX_RGB;
- if (tex->imaflag & TEX_USEALPHA)
- talpha= 1;
+ talpha= 1;
}
else {
continue;
diff --git a/source/blender/imbuf/IMB_colormanagement.h b/source/blender/imbuf/IMB_colormanagement.h
index 0653956e113..1e33f8da363 100644
--- a/source/blender/imbuf/IMB_colormanagement.h
+++ b/source/blender/imbuf/IMB_colormanagement.h
@@ -138,6 +138,7 @@ struct ColormanageProcessor *IMB_colormanagement_display_processor_new(const str
const struct ColorManagedDisplaySettings *display_settings);
struct ColormanageProcessor *IMB_colormanagement_colorspace_processor_new(const char *from_colorspace, const char *to_colorspace);
void IMB_colormanagement_processor_apply_v4(struct ColormanageProcessor *cm_processor, float pixel[4]);
+void IMB_colormanagement_processor_apply_v4_predivide(struct ColormanageProcessor *cm_processor, float pixel[4]);
void IMB_colormanagement_processor_apply_v3(struct ColormanageProcessor *cm_processor, float pixel[3]);
void IMB_colormanagement_processor_apply(struct ColormanageProcessor *cm_processor, float *buffer, int width, int height,
int channels, int predivide);
diff --git a/source/blender/imbuf/IMB_imbuf.h b/source/blender/imbuf/IMB_imbuf.h
index db1404813b1..850060ef4d5 100644
--- a/source/blender/imbuf/IMB_imbuf.h
+++ b/source/blender/imbuf/IMB_imbuf.h
@@ -373,7 +373,6 @@ void IMB_rect_from_float(struct ImBuf *ibuf);
* Changed part will be stored in buffer. This is expected to be used for texture painting updates */
void IMB_partial_rect_from_float(struct ImBuf *ibuf, float *buffer, int x, int y, int w, int h, int is_data);
void IMB_float_from_rect(struct ImBuf *ibuf);
-void IMB_float_from_rect_simple(struct ImBuf *ibuf); /* no profile conversion */
/* note, check that the conversion exists, only some are supported */
float *IMB_float_profile_ensure(struct ImBuf *ibuf, int profile, int *alloc);
void IMB_color_to_bw(struct ImBuf *ibuf);
@@ -393,6 +392,8 @@ void IMB_buffer_byte_from_byte(unsigned char *rect_to, const unsigned char *rect
int profile_to, int profile_from, int predivide,
int width, int height, int stride_to, int stride_from);
void IMB_buffer_float_clamp(float *buf, int width, int height);
+void IMB_buffer_float_unpremultiply(float *buf, int width, int height);
+void IMB_buffer_float_premultiply(float *buf, int width, int height);
/**
* Change the ordering of the color bytes pointed to by rect from
@@ -467,6 +468,7 @@ void IMB_flipy(struct ImBuf *ibuf);
/* Premultiply alpha */
void IMB_premultiply_alpha(struct ImBuf *ibuf);
+void IMB_unpremultiply_alpha(struct ImBuf *ibuf);
/**
*
diff --git a/source/blender/imbuf/IMB_imbuf_types.h b/source/blender/imbuf/IMB_imbuf_types.h
index 9fe66b562d1..49e2e7fc80d 100644
--- a/source/blender/imbuf/IMB_imbuf_types.h
+++ b/source/blender/imbuf/IMB_imbuf_types.h
@@ -167,8 +167,9 @@ typedef struct ImBuf {
#define IB_animdeinterlace (1 << 9)
#define IB_tiles (1 << 10)
#define IB_tilecache (1 << 11)
-#define IB_premul (1 << 12)
-#define IB_cm_predivide (1 << 13)
+#define IB_alphamode_premul (1 << 12) /* indicates whether image on disk have premul alpha */
+#define IB_alphamode_detect (1 << 13) /* if this flag is set, alpha mode would be guessed from file */
+#define IB_ignore_alpha (1 << 14) /* ignore alpha on load and substitude it with 1.0f */
/*
* The bit flag is stored in the ImBuf.ftype variable.
diff --git a/source/blender/imbuf/intern/IMB_filter.h b/source/blender/imbuf/intern/IMB_filter.h
index eaedb160c94..6bd5f44307f 100644
--- a/source/blender/imbuf/intern/IMB_filter.h
+++ b/source/blender/imbuf/intern/IMB_filter.h
@@ -41,6 +41,9 @@ void imb_filterx(struct ImBuf *ibuf);
void IMB_premultiply_rect(unsigned int *rect, char planes, int w, int h);
void IMB_premultiply_rect_float(float *rect_float, char planes, int w, int h);
+void IMB_unpremultiply_rect(unsigned int *rect, char planes, int w, int h);
+void IMB_unpremultiply_rect_float(float *rect_float, char planes, int w, int h);
+
void imb_onehalf_no_alloc(struct ImBuf *ibuf2, struct ImBuf *ibuf1);
#endif
diff --git a/source/blender/imbuf/intern/cineon/cineon_dpx.c b/source/blender/imbuf/intern/cineon/cineon_dpx.c
index c8bc3f8ebb8..ba84063f317 100644
--- a/source/blender/imbuf/intern/cineon/cineon_dpx.c
+++ b/source/blender/imbuf/intern/cineon/cineon_dpx.c
@@ -95,6 +95,9 @@ static struct ImBuf *imb_load_dpx_cineon(unsigned char *mem, size_t size, int us
if (flags & IB_rect)
IMB_rect_from_float(ibuf);
+ if (flags & IB_alphamode_detect)
+ ibuf->flags |= IB_alphamode_premul;
+
return ibuf;
}
diff --git a/source/blender/imbuf/intern/colormanagement.c b/source/blender/imbuf/intern/colormanagement.c
index 1c68a466ade..bcfddfe425a 100644
--- a/source/blender/imbuf/intern/colormanagement.c
+++ b/source/blender/imbuf/intern/colormanagement.c
@@ -189,7 +189,6 @@ typedef struct ColormnaageCacheData {
int flag; /* view flags of cached buffer */
float exposure; /* exposure value cached buffer is calculated with */
float gamma; /* gamma value cached buffer is calculated with */
- int predivide; /* predivide flag of cached buffer */
CurveMapping *curve_mapping; /* curve mapping used for cached buffer */
int curve_mapping_timestamp; /* time stamp of curve mapping used for cached buffer */
} ColormnaageCacheData;
@@ -323,7 +322,6 @@ static unsigned char *colormanage_cache_get(ImBuf *ibuf, const ColormanageCacheV
ColormanageCacheKey key;
ImBuf *cache_ibuf;
int view_flag = 1 << (view_settings->view - 1);
- int predivide = ibuf->flags & IB_cm_predivide;
CurveMapping *curve_mapping = view_settings->curve_mapping;
int curve_mapping_timestamp = curve_mapping ? curve_mapping->changed_timestamp : 0;
@@ -353,7 +351,6 @@ static unsigned char *colormanage_cache_get(ImBuf *ibuf, const ColormanageCacheV
if (cache_data->exposure != view_settings->exposure ||
cache_data->gamma != view_settings->gamma ||
- cache_data->predivide != predivide ||
cache_data->flag != view_settings->flag ||
cache_data->curve_mapping != curve_mapping ||
cache_data->curve_mapping_timestamp != curve_mapping_timestamp)
@@ -379,7 +376,6 @@ static void colormanage_cache_put(ImBuf *ibuf, const ColormanageCacheViewSetting
ImBuf *cache_ibuf;
ColormnaageCacheData *cache_data;
int view_flag = 1 << (view_settings->view - 1);
- int predivide = ibuf->flags & IB_cm_predivide;
struct MovieCache *moviecache = colormanage_moviecache_ensure(ibuf);
CurveMapping *curve_mapping = view_settings->curve_mapping;
int curve_mapping_timestamp = curve_mapping ? curve_mapping->changed_timestamp : 0;
@@ -400,7 +396,6 @@ static void colormanage_cache_put(ImBuf *ibuf, const ColormanageCacheViewSetting
cache_data = MEM_callocN(sizeof(ColormnaageCacheData), "color manage cache imbuf data");
cache_data->exposure = view_settings->exposure;
cache_data->gamma = view_settings->gamma;
- cache_data->predivide = predivide;
cache_data->flag = view_settings->flag;
cache_data->curve_mapping = curve_mapping;
cache_data->curve_mapping_timestamp = curve_mapping_timestamp;
@@ -897,13 +892,12 @@ void colormanage_imbuf_make_linear(ImBuf *ibuf, const char *from_colorspace)
if (ibuf->rect_float) {
const char *to_colorspace = global_role_scene_linear;
- int predivide = ibuf->flags & IB_cm_predivide;
if (ibuf->rect)
imb_freerectImBuf(ibuf);
IMB_colormanagement_transform(ibuf->rect_float, ibuf->x, ibuf->y, ibuf->channels,
- from_colorspace, to_colorspace, predivide);
+ from_colorspace, to_colorspace, TRUE);
}
}
@@ -1130,7 +1124,6 @@ typedef struct DisplayBufferThread {
int channels;
float dither;
- int predivide;
int is_data;
const char *byte_colorspace;
@@ -1158,7 +1151,6 @@ static void display_buffer_init_handle(void *handle_v, int start_line, int tot_l
DisplayBufferInitData *init_data = (DisplayBufferInitData *) init_data_v;
ImBuf *ibuf = init_data->ibuf;
- int predivide = ibuf->flags & IB_cm_predivide;
int channels = ibuf->channels;
float dither = ibuf->dither;
int is_data = ibuf->colormanage_flag & IMB_COLORMANAGE_IS_DATA;
@@ -1189,7 +1181,6 @@ static void display_buffer_init_handle(void *handle_v, int start_line, int tot_l
handle->channels = channels;
handle->dither = dither;
- handle->predivide = predivide;
handle->is_data = is_data;
handle->byte_colorspace = init_data->byte_colorspace;
@@ -1206,7 +1197,6 @@ static void *display_buffer_apply_get_linear_buffer(DisplayBufferThread *handle)
int buffer_size = channels * width * height;
- int predivide = handle->predivide;
int is_data = handle->is_data;
int is_data_display = handle->cm_processor->is_data_result;
@@ -1224,16 +1214,25 @@ static void *display_buffer_apply_get_linear_buffer(DisplayBufferThread *handle)
/* first convert byte buffer to float, keep in image space */
for (i = 0, fp = linear_buffer, cp = byte_buffer;
- i < channels * width * height;
- i++, fp++, cp++)
+ i < width * height;
+ i++, fp += channels, cp += channels)
{
- *fp = (float)(*cp) / 255.0f;
+ if (channels == 3) {
+ rgb_uchar_to_float(fp, cp);
+ }
+ else if (channels == 4) {
+ rgba_uchar_to_float(fp, cp);
+ straight_to_premul_v4(fp, fp);
+ }
+ else {
+ BLI_assert(!"Buffers of 3 or 4 channels are only supported here");
+ }
}
if (!is_data && !is_data_display) {
/* convert float buffer to scene linear space */
IMB_colormanagement_transform(linear_buffer, width, height, channels,
- from_colorspace, to_colorspace, predivide);
+ from_colorspace, to_colorspace, TRUE);
}
}
else if (handle->float_colorspace) {
@@ -1249,7 +1248,7 @@ static void *display_buffer_apply_get_linear_buffer(DisplayBufferThread *handle)
memcpy(linear_buffer, handle->buffer, buffer_size * sizeof(float));
IMB_colormanagement_transform(linear_buffer, width, height, channels,
- from_colorspace, to_colorspace, predivide);
+ from_colorspace, to_colorspace, TRUE);
}
else {
/* some processors would want to modify float original buffer
@@ -1277,13 +1276,12 @@ static void *do_display_buffer_apply_thread(void *handle_v)
int width = handle->width;
int height = handle->tot_line;
float dither = handle->dither;
- int predivide = handle->predivide;
int is_data = handle->is_data;
if (cm_processor == NULL) {
if (display_buffer_byte) {
IMB_buffer_byte_from_byte(display_buffer_byte, handle->byte_buffer, IB_PROFILE_SRGB, IB_PROFILE_SRGB,
- FALSE, width, height, width, width);
+ FALSE, width, height, width, width);
}
if (display_buffer) {
@@ -1301,7 +1299,7 @@ static void *do_display_buffer_apply_thread(void *handle_v)
}
else {
/* apply processor */
- IMB_colormanagement_processor_apply(cm_processor, linear_buffer, width, height, channels, predivide);
+ IMB_colormanagement_processor_apply(cm_processor, linear_buffer, width, height, channels, TRUE);
}
/* copy result to output buffers */
@@ -1309,7 +1307,7 @@ static void *do_display_buffer_apply_thread(void *handle_v)
/* do conversion */
IMB_buffer_byte_from_float(display_buffer_byte, linear_buffer,
channels, dither, IB_PROFILE_SRGB, IB_PROFILE_SRGB,
- predivide, width, height, width, width);
+ TRUE, width, height, width, width);
}
if (display_buffer)
@@ -1663,7 +1661,7 @@ static void colormanagement_imbuf_make_display_space(ImBuf *ibuf, const ColorMan
if (global_tot_display == 0 || global_tot_view == 0) {
IMB_buffer_float_from_float(ibuf->rect_float, ibuf->rect_float, ibuf->channels, IB_PROFILE_SRGB, IB_PROFILE_LINEAR_RGB,
- ibuf->flags & IB_cm_predivide, ibuf->x, ibuf->y, ibuf->x, ibuf->x);
+ TRUE, ibuf->x, ibuf->y, ibuf->x, ibuf->x);
}
else {
colormanage_display_buffer_process_ex(ibuf, ibuf->rect_float, (unsigned char *)ibuf->rect,
@@ -2326,7 +2324,6 @@ static void partial_buffer_update_rect(ImBuf *ibuf, unsigned char *display_buffe
{
int x, y;
int channels = ibuf->channels;
- int predivide = ibuf->flags & IB_cm_predivide;
float dither = ibuf->dither;
ColorSpace *rect_colorspace = ibuf->rect_colorspace;
float *display_buffer_float = NULL;
@@ -2350,13 +2347,11 @@ static void partial_buffer_update_rect(ImBuf *ibuf, unsigned char *display_buffe
else if (byte_buffer) {
rgba_uchar_to_float(pixel, byte_buffer + linear_index);
IMB_colormanagement_colorspace_to_scene_linear_v3(pixel, rect_colorspace);
+ straight_to_premul_v4(pixel, pixel);
}
if (!is_data) {
- if (predivide)
- IMB_colormanagement_processor_apply_v4(cm_processor, pixel);
- else
- IMB_colormanagement_processor_apply_v4(cm_processor, pixel);
+ IMB_colormanagement_processor_apply_v4_predivide(cm_processor, pixel);
}
if (display_buffer_float) {
@@ -2365,7 +2360,9 @@ static void partial_buffer_update_rect(ImBuf *ibuf, unsigned char *display_buffe
copy_v4_v4(display_buffer_float + index, pixel);
}
else {
- rgba_float_to_uchar(display_buffer + display_index, pixel);
+ float pixel_straight[4];
+ premul_to_straight_v4(pixel_straight, pixel);
+ rgba_float_to_uchar(display_buffer + display_index, pixel_straight);
}
}
}
@@ -2389,7 +2386,6 @@ void IMB_partial_display_buffer_update(ImBuf *ibuf, const float *linear_buffer,
/* update byte buffer created by legacy color management */
unsigned char *rect = (unsigned char *) ibuf->rect;
- int predivide = ibuf->flags & IB_cm_predivide;
int channels = ibuf->channels;
int width = xmax - xmin;
int height = ymax - ymin;
@@ -2397,7 +2393,7 @@ void IMB_partial_display_buffer_update(ImBuf *ibuf, const float *linear_buffer,
int linear_index = ((ymin - offset_y) * stride + (xmin - offset_x)) * channels;
IMB_buffer_byte_from_float(rect + rect_index, linear_buffer + linear_index, channels, ibuf->dither,
- IB_PROFILE_SRGB, IB_PROFILE_LINEAR_RGB, predivide, width, height, ibuf->x, stride);
+ IB_PROFILE_SRGB, IB_PROFILE_LINEAR_RGB, TRUE, width, height, ibuf->x, stride);
}
if (ibuf->display_buffer_flags) {
@@ -2503,6 +2499,15 @@ void IMB_colormanagement_processor_apply_v4(ColormanageProcessor *cm_processor,
OCIO_processorApplyRGBA(cm_processor->processor, pixel);
}
+void IMB_colormanagement_processor_apply_v4_predivide(ColormanageProcessor *cm_processor, float pixel[4])
+{
+ if (cm_processor->curve_mapping)
+ curvemapping_evaluate_premulRGBF(cm_processor->curve_mapping, pixel, pixel);
+
+ if (cm_processor->processor)
+ OCIO_processorApplyRGBA_predivide(cm_processor->processor, pixel);
+}
+
void IMB_colormanagement_processor_apply_v3(ColormanageProcessor *cm_processor, float pixel[3])
{
if (cm_processor->curve_mapping)
diff --git a/source/blender/imbuf/intern/divers.c b/source/blender/imbuf/intern/divers.c
index f049c404e2d..f0d8b7cac72 100644
--- a/source/blender/imbuf/intern/divers.c
+++ b/source/blender/imbuf/intern/divers.c
@@ -39,6 +39,7 @@
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "IMB_allocimbuf.h"
+#include "IMB_filter.h"
#include "IMB_colormanagement.h"
#include "IMB_colormanagement_intern.h"
@@ -249,11 +250,25 @@ void IMB_buffer_byte_from_float(uchar *rect_to, const float *rect_from,
uchar *to = rect_to + stride_to * y * 4;
if (profile_to == profile_from) {
+ float straight[4];
+
/* no color space conversion */
- if (dither) {
+ if (dither && predivide) {
+ for (x = 0; x < width; x++, from += 4, to += 4) {
+ premul_to_straight_v4(straight, from);
+ float_to_byte_dither_v4(to, straight, di);
+ }
+ }
+ else if (dither) {
for (x = 0; x < width; x++, from += 4, to += 4)
float_to_byte_dither_v4(to, from, di);
}
+ else if (predivide) {
+ for (x = 0; x < width; x++, from += 4, to += 4) {
+ premul_to_straight_v4(straight, from);
+ rgba_float_to_uchar(to, straight);
+ }
+ }
else {
for (x = 0; x < width; x++, from += 4, to += 4)
rgba_float_to_uchar(to, from);
@@ -262,10 +277,12 @@ void IMB_buffer_byte_from_float(uchar *rect_to, const float *rect_from,
else if (profile_to == IB_PROFILE_SRGB) {
/* convert from linear to sRGB */
unsigned short us[4];
+ float straight[4];
if (dither && predivide) {
for (x = 0; x < width; x++, from += 4, to += 4) {
- linearrgb_to_srgb_ushort4_predivide(us, from);
+ premul_to_straight_v4(straight, from);
+ linearrgb_to_srgb_ushort4(us, from);
ushort_to_byte_dither_v4(to, us, di);
}
}
@@ -277,7 +294,8 @@ void IMB_buffer_byte_from_float(uchar *rect_to, const float *rect_from,
}
else if (predivide) {
for (x = 0; x < width; x++, from += 4, to += 4) {
- linearrgb_to_srgb_ushort4_predivide(us, from);
+ premul_to_straight_v4(straight, from);
+ linearrgb_to_srgb_ushort4(us, from);
ushort_to_byte_v4(to, us);
}
}
@@ -526,7 +544,6 @@ void IMB_buffer_byte_from_byte(uchar *rect_to, const uchar *rect_from,
void IMB_rect_from_float(ImBuf *ibuf)
{
- int predivide = (ibuf->flags & IB_cm_predivide);
float *buffer;
const char *from_colorspace;
@@ -548,7 +565,10 @@ void IMB_rect_from_float(ImBuf *ibuf)
buffer = MEM_dupallocN(ibuf->rect_float);
/* first make float buffer in byte space */
- IMB_colormanagement_transform(buffer, ibuf->x, ibuf->y, ibuf->channels, from_colorspace, ibuf->rect_colorspace->name, predivide);
+ IMB_colormanagement_transform(buffer, ibuf->x, ibuf->y, ibuf->channels, from_colorspace, ibuf->rect_colorspace->name, TRUE);
+
+ /* convert from float's premul alpha to byte's straight alpha */
+ IMB_unpremultiply_rect_float(buffer, ibuf->planes, ibuf->x, ibuf->y);
/* convert float to byte */
IMB_buffer_byte_from_float((unsigned char *) ibuf->rect, buffer, ibuf->channels, ibuf->dither, IB_PROFILE_SRGB, IB_PROFILE_SRGB,
@@ -565,7 +585,6 @@ void IMB_partial_rect_from_float(ImBuf *ibuf, float *buffer, int x, int y, int w
{
float *rect_float;
uchar *rect_byte;
- int predivide = (ibuf->flags & IB_cm_predivide);
int profile_from = IB_PROFILE_LINEAR_RGB;
/* verify we have a float buffer */
@@ -588,12 +607,12 @@ void IMB_partial_rect_from_float(ImBuf *ibuf, float *buffer, int x, int y, int w
/* and do color space conversion to byte */
IMB_buffer_byte_from_float(rect_byte, rect_float,
- 4, ibuf->dither, IB_PROFILE_SRGB, profile_from, predivide,
+ 4, ibuf->dither, IB_PROFILE_SRGB, profile_from, TRUE,
w, h, ibuf->x, w);
}
else {
IMB_buffer_float_from_float(buffer, rect_float,
- ibuf->channels, IB_PROFILE_SRGB, profile_from, predivide,
+ ibuf->channels, IB_PROFILE_SRGB, profile_from, TRUE,
w, h, w, ibuf->x);
/* XXX: need to convert to image buffer's rect space */
@@ -608,8 +627,6 @@ void IMB_partial_rect_from_float(ImBuf *ibuf, float *buffer, int x, int y, int w
void IMB_float_from_rect(ImBuf *ibuf)
{
- int predivide = (ibuf->flags & IB_cm_predivide);
-
/* verify if we byte and float buffers */
if (ibuf->rect == NULL)
return;
@@ -634,22 +651,12 @@ void IMB_float_from_rect(ImBuf *ibuf)
/* then make float be in linear space */
IMB_colormanagement_colorspace_to_scene_linear(ibuf->rect_float, ibuf->x, ibuf->y, ibuf->channels,
- ibuf->rect_colorspace, predivide);
-
- BLI_unlock_thread(LOCK_COLORMANAGE);
-}
-
-/* no profile conversion */
-void IMB_float_from_rect_simple(ImBuf *ibuf)
-{
- int predivide = (ibuf->flags & IB_cm_predivide);
+ ibuf->rect_colorspace, FALSE);
- if (ibuf->rect_float == NULL)
- imb_addrectfloatImBuf(ibuf);
+ /* byte buffer is straight alpha, float should always be premul */
+ IMB_premultiply_rect_float(ibuf->rect_float, ibuf->planes, ibuf->x, ibuf->y);
- IMB_buffer_float_from_byte(ibuf->rect_float, (uchar *)ibuf->rect,
- IB_PROFILE_SRGB, IB_PROFILE_SRGB, predivide,
- ibuf->x, ibuf->y, ibuf->x, ibuf->x);
+ BLI_unlock_thread(LOCK_COLORMANAGE);
}
/* use when you need to get a buffer with a certain profile
@@ -660,7 +667,6 @@ void IMB_float_from_rect_simple(ImBuf *ibuf)
*/
float *IMB_float_profile_ensure(ImBuf *ibuf, int profile, int *alloc)
{
- int predivide = (ibuf->flags & IB_cm_predivide);
int profile_from = IB_PROFILE_LINEAR_RGB;
int profile_to;
@@ -686,12 +692,13 @@ float *IMB_float_profile_ensure(ImBuf *ibuf, int profile, int *alloc)
if (ibuf->rect_float == NULL) {
IMB_buffer_float_from_byte(fbuf, (uchar *)ibuf->rect,
- profile_to, profile_from, predivide,
+ profile_to, profile_from, FALSE,
ibuf->x, ibuf->y, ibuf->x, ibuf->x);
+ IMB_premultiply_rect_float(ibuf->rect_float, ibuf->planes, ibuf->x, ibuf->y);
}
else {
IMB_buffer_float_from_float(fbuf, ibuf->rect_float,
- 4, profile_to, profile_from, predivide,
+ 4, profile_to, profile_from, TRUE,
ibuf->x, ibuf->y, ibuf->x, ibuf->x);
}
@@ -727,6 +734,26 @@ void IMB_buffer_float_clamp(float *buf, int width, int height)
}
}
+void IMB_buffer_float_unpremultiply(float *buf, int width, int height)
+{
+ int total = width * height;
+ float *cp = buf;
+ while (total--) {
+ premul_to_straight_v4(cp, cp);
+ cp += 4;
+ }
+}
+
+void IMB_buffer_float_premultiply(float *buf, int width, int height)
+{
+ int total = width * height;
+ float *cp = buf;
+ while (total--) {
+ straight_to_premul_v4(cp, cp);
+ cp += 4;
+ }
+}
+
/**************************** alter saturation *****************************/
void IMB_saturation(ImBuf *ibuf, float sat)
diff --git a/source/blender/imbuf/intern/filter.c b/source/blender/imbuf/intern/filter.c
index 678b2908b96..51fee232034 100644
--- a/source/blender/imbuf/intern/filter.c
+++ b/source/blender/imbuf/intern/filter.c
@@ -599,3 +599,67 @@ void IMB_premultiply_alpha(ImBuf *ibuf)
IMB_premultiply_rect_float(ibuf->rect_float, ibuf->planes, ibuf->x, ibuf->y);
}
+void IMB_unpremultiply_rect(unsigned int *rect, char planes, int w, int h)
+{
+ char *cp;
+ int x, y;
+ float val;
+
+ if (planes == 24) { /* put alpha at 255 */
+ cp = (char *)(rect);
+
+ for (y = 0; y < h; y++)
+ for (x = 0; x < w; x++, cp += 4)
+ cp[3] = 255;
+ }
+ else {
+ cp = (char *)(rect);
+
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++, cp += 4) {
+ val = cp[3] != 0 ? 1.0f / (float)cp[3] : 1.0f;
+ cp[0] = FTOCHAR(cp[0] * val);
+ cp[1] = FTOCHAR(cp[1] * val);
+ cp[2] = FTOCHAR(cp[2] * val);
+ }
+ }
+ }
+}
+
+void IMB_unpremultiply_rect_float(float *rect_float, char planes, int w, int h)
+{
+ float val, *fp;
+ int x, y;
+
+ if (planes == 24) { /* put alpha at 1.0 */
+ fp = rect_float;
+
+ for (y = 0; y < h; y++)
+ for (x = 0; x < w; x++, fp += 4)
+ fp[3] = 1.0;
+ }
+ else {
+ fp = rect_float;
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++, fp += 4) {
+ val = fp[3] != 0.0f ? 1.0f / fp[3] : 1.0f;
+ fp[0] = fp[0] * val;
+ fp[1] = fp[1] * val;
+ fp[2] = fp[2] * val;
+ }
+ }
+ }
+
+}
+
+void IMB_unpremultiply_alpha(ImBuf *ibuf)
+{
+ if (ibuf == NULL)
+ return;
+
+ if (ibuf->rect)
+ IMB_unpremultiply_rect(ibuf->rect, ibuf->planes, ibuf->x, ibuf->y);
+
+ if (ibuf->rect_float)
+ IMB_unpremultiply_rect_float(ibuf->rect_float, ibuf->planes, ibuf->x, ibuf->y);
+}
diff --git a/source/blender/imbuf/intern/openexr/openexr_api.cpp b/source/blender/imbuf/intern/openexr/openexr_api.cpp
index da7b31cc2ba..18b08c9b59b 100644
--- a/source/blender/imbuf/intern/openexr/openexr_api.cpp
+++ b/source/blender/imbuf/intern/openexr/openexr_api.cpp
@@ -1197,6 +1197,9 @@ struct ImBuf *imb_load_openexr(unsigned char *mem, size_t size, int flags, char
delete file;
}
}
+
+ if (flags & IB_alphamode_detect)
+ ibuf->flags |= IB_alphamode_premul;
}
return(ibuf);
}
diff --git a/source/blender/imbuf/intern/png.c b/source/blender/imbuf/intern/png.c
index c0737fadffa..bbe43132051 100644
--- a/source/blender/imbuf/intern/png.c
+++ b/source/blender/imbuf/intern/png.c
@@ -110,7 +110,7 @@ int imb_savepng(struct ImBuf *ibuf, const char *name, int flags)
unsigned char *pixels = NULL;
unsigned char *from, *to;
unsigned short *pixels16 = NULL, *to16;
- float *from_float;
+ float *from_float, from_straight[4];
png_bytepp row_pointers = NULL;
int i, bytesperpixel, color_type = PNG_COLOR_TYPE_GRAY;
FILE *fp = NULL;
@@ -175,10 +175,11 @@ int imb_savepng(struct ImBuf *ibuf, const char *name, int flags)
color_type = PNG_COLOR_TYPE_RGBA;
if (is_16bit) {
for (i = ibuf->x * ibuf->y; i > 0; i--) {
- to16[0] = FTOUSHORT(from_float[0]);
- to16[1] = FTOUSHORT(from_float[1]);
- to16[2] = FTOUSHORT(from_float[2]);
- to16[3] = FTOUSHORT(from_float[3]);
+ premul_to_straight_v4(from_straight, from_float);
+ to16[0] = FTOUSHORT(from_straight[0]);
+ to16[1] = FTOUSHORT(from_straight[1]);
+ to16[2] = FTOUSHORT(from_straight[2]);
+ to16[3] = FTOUSHORT(from_straight[3]);
to16 += 4; from_float += 4;
}
}
@@ -196,9 +197,10 @@ int imb_savepng(struct ImBuf *ibuf, const char *name, int flags)
color_type = PNG_COLOR_TYPE_RGB;
if (is_16bit) {
for (i = ibuf->x * ibuf->y; i > 0; i--) {
- to16[0] = FTOUSHORT(from_float[0]);
- to16[1] = FTOUSHORT(from_float[1]);
- to16[2] = FTOUSHORT(from_float[2]);
+ premul_to_straight_v4(from_straight, from_float);
+ to16[0] = FTOUSHORT(from_straight[0]);
+ to16[1] = FTOUSHORT(from_straight[1]);
+ to16[2] = FTOUSHORT(from_straight[2]);
to16 += 3; from_float += 4;
}
}
@@ -215,7 +217,8 @@ int imb_savepng(struct ImBuf *ibuf, const char *name, int flags)
color_type = PNG_COLOR_TYPE_GRAY;
if (is_16bit) {
for (i = ibuf->x * ibuf->y; i > 0; i--) {
- to16[0] = FTOUSHORT(from_float[0]);
+ premul_to_straight_v4(from_straight, from_float);
+ to16[0] = FTOUSHORT(from_straight[0]);
to16++; from_float += 4;
}
}
diff --git a/source/blender/imbuf/intern/radiance_hdr.c b/source/blender/imbuf/intern/radiance_hdr.c
index 03ed1bb8008..d09adeb09b5 100644
--- a/source/blender/imbuf/intern/radiance_hdr.c
+++ b/source/blender/imbuf/intern/radiance_hdr.c
@@ -212,6 +212,9 @@ struct ImBuf *imb_loadhdr(unsigned char *mem, size_t size, int flags, char color
if (ibuf == NULL) return NULL;
ibuf->ftype = RADHDR;
+ if (flags & IB_alphamode_detect)
+ ibuf->flags |= IB_alphamode_premul;
+
if (flags & IB_test) return ibuf;
/* read in and decode the actual data */
diff --git a/source/blender/imbuf/intern/readimage.c b/source/blender/imbuf/intern/readimage.c
index be20c80bdec..8e0709e3670 100644
--- a/source/blender/imbuf/intern/readimage.c
+++ b/source/blender/imbuf/intern/readimage.c
@@ -86,15 +86,28 @@ ImBuf *IMB_ibImageFromMemory(unsigned char *mem, size_t size, int flags, char co
BLI_strncpy(colorspace, effective_colorspace, IM_MAX_SPACE);
}
+ if (flags & IB_ignore_alpha) {
+ IMB_rectfill_alpha(ibuf, 1.0f);
+ }
+ else {
+ if (flags & IB_alphamode_premul) {
+ if (ibuf->rect)
+ IMB_unpremultiply_alpha(ibuf);
+ else
+ /* pass, floats are expected to be premul */ ;
+ }
+ else {
+ if (ibuf->rect_float)
+ IMB_premultiply_alpha(ibuf);
+ else
+ /* pass, bytes are expected to be straight */ ;
+ }
+ }
+
/* OCIO_TODO: in some cases it's faster to do threaded conversion,
* but how to distinguish such cases */
colormanage_imbuf_make_linear(ibuf, effective_colorspace);
- if (flags & IB_premul) {
- IMB_premultiply_alpha(ibuf);
- ibuf->flags |= IB_premul;
- }
-
return ibuf;
}
}
@@ -230,4 +243,3 @@ void imb_loadtile(ImBuf *ibuf, int tx, int ty, unsigned int *rect)
close(file);
}
-
diff --git a/source/blender/imbuf/intern/scaling.c b/source/blender/imbuf/intern/scaling.c
index 1e701b8d615..75d1f4c412d 100644
--- a/source/blender/imbuf/intern/scaling.c
+++ b/source/blender/imbuf/intern/scaling.c
@@ -33,6 +33,7 @@
#include "BLI_utildefines.h"
+#include "BLI_math_color.h"
#include "MEM_guardedalloc.h"
#include "imbuf.h"
@@ -303,23 +304,33 @@ void imb_onehalf_no_alloc(struct ImBuf *ibuf2, struct ImBuf *ibuf1)
}
if (do_rect) {
- char *p1, *p2, *dest;
+ unsigned char *cp1, *cp2, *dest;
- p1 = (char *) ibuf1->rect;
- dest = (char *) ibuf2->rect;
+ cp1 = (unsigned char *) ibuf1->rect;
+ dest = (unsigned char *) ibuf2->rect;
for (y = ibuf2->y; y > 0; y--) {
- p2 = p1 + (ibuf1->x << 2);
+ cp2 = cp1 + (ibuf1->x << 2);
for (x = ibuf2->x; x > 0; x--) {
- dest[0] = (p1[0] + p2[0] + p1[4] + p2[4]) >> 2;
- dest[1] = (p1[1] + p2[1] + p1[5] + p2[5]) >> 2;
- dest[2] = (p1[2] + p2[2] + p1[6] + p2[6]) >> 2;
- dest[3] = (p1[3] + p2[3] + p1[7] + p2[7]) >> 2;
- p1 += 8;
- p2 += 8;
+ float p1f[8], p2f[8], destf[4];
+
+ straight_uchar_to_premul_float(p1f, cp1);
+ straight_uchar_to_premul_float(p2f, cp2);
+ straight_uchar_to_premul_float(p1f + 4, cp1 + 4);
+ straight_uchar_to_premul_float(p2f + 4, cp2 + 4);
+
+ destf[0] = 0.25f * (p1f[0] + p2f[0] + p1f[4] + p2f[4]);
+ destf[1] = 0.25f * (p1f[1] + p2f[1] + p1f[5] + p2f[5]);
+ destf[2] = 0.25f * (p1f[2] + p2f[2] + p1f[6] + p2f[6]);
+ destf[3] = 0.25f * (p1f[3] + p2f[3] + p1f[7] + p2f[7]);
+
+ premul_float_to_straight_uchar(dest, destf);
+
+ cp1 += 8;
+ cp2 += 8;
dest += 4;
}
- p1 = p2;
- if (ibuf1->x & 1) p1 += 4;
+ cp1 = cp2;
+ if (ibuf1->x & 1) cp1 += 4;
}
}
diff --git a/source/blender/imbuf/intern/tiff.c b/source/blender/imbuf/intern/tiff.c
index 83830f260e1..2630aebef3b 100644
--- a/source/blender/imbuf/intern/tiff.c
+++ b/source/blender/imbuf/intern/tiff.c
@@ -376,7 +376,7 @@ static void imb_read_tiff_resolution(ImBuf *ibuf, TIFF *image)
* This method is most flexible and can handle multiple different bit depths
* and RGB channel orderings.
*/
-static int imb_read_tiff_pixels(ImBuf *ibuf, TIFF *image, int premul)
+static int imb_read_tiff_pixels(ImBuf *ibuf, TIFF *image)
{
ImBuf *tmpibuf;
int success = 0;
@@ -390,6 +390,23 @@ static int imb_read_tiff_pixels(ImBuf *ibuf, TIFF *image, int premul)
TIFFGetField(image, TIFFTAG_SAMPLESPERPIXEL, &spp); /* number of 'channels' */
TIFFGetField(image, TIFFTAG_PLANARCONFIG, &config);
+ if (spp == 4) {
+ /* HACK: this is really tricky hack, which is only needed to force libtiff
+ * do not touch RGB channels when there's alpha channel present
+ * The thing is: libtiff will premul RGB if alpha mode is set to
+ * unassociated, which really conflicts with blender's assumptions
+ *
+ * Alternative would be to unpremul after load, but it'll be really
+ * lossy and unwanted behavior
+ *
+ * So let's keep this thing here for until proper solution is found (sergey)
+ */
+
+ unsigned short extraSampleTypes[1];
+ extraSampleTypes[0] = EXTRASAMPLE_ASSOCALPHA;
+ TIFFSetField(image, TIFFTAG_EXTRASAMPLES, 1, extraSampleTypes);
+ }
+
imb_read_tiff_resolution(ibuf, image);
scanline = TIFFScanlineSize(image);
@@ -471,10 +488,6 @@ static int imb_read_tiff_pixels(ImBuf *ibuf, TIFF *image, int premul)
if (bitspersample < 16)
if (ENDIAN_ORDER == B_ENDIAN)
IMB_convert_rgba_to_abgr(tmpibuf);
- if (premul) {
- IMB_premultiply_alpha(tmpibuf);
- ibuf->flags |= IB_premul;
- }
/* assign rect last */
if (tmpibuf->rect_float)
@@ -557,6 +570,18 @@ ImBuf *imb_loadtiff(unsigned char *mem, size_t size, int flags, char colorspace[
return NULL;
}
+ /* get alpha mode from file header */
+ if (flags & IB_alphamode_detect) {
+ if (spp == 4) {
+ unsigned short extra, *extraSampleTypes;
+
+ TIFFGetField(image, TIFFTAG_EXTRASAMPLES, &extra, &extraSampleTypes);
+
+ if (extraSampleTypes[0] == EXTRASAMPLE_ASSOCALPHA)
+ ibuf->flags |= IB_alphamode_premul;
+ }
+ }
+
/* if testing, we're done */
if (flags & IB_test) {
TIFFClose(image);
@@ -585,9 +610,6 @@ ImBuf *imb_loadtiff(unsigned char *mem, size_t size, int flags, char colorspace[
hbuf->miplevel = level;
hbuf->ftype = ibuf->ftype;
ibuf->mipmap[level - 1] = hbuf;
-
- if (flags & IB_premul)
- hbuf->flags |= IB_premul;
}
else
hbuf = ibuf;
@@ -608,7 +630,7 @@ ImBuf *imb_loadtiff(unsigned char *mem, size_t size, int flags, char colorspace[
}
/* read pixels */
- if (!(ibuf->flags & IB_tilecache) && !imb_read_tiff_pixels(ibuf, image, 0)) {
+ if (!(ibuf->flags & IB_tilecache) && !imb_read_tiff_pixels(ibuf, image)) {
fprintf(stderr, "imb_loadtiff: Failed to read tiff image.\n");
TIFFClose(image);
return NULL;
@@ -644,9 +666,6 @@ void imb_loadtiletiff(ImBuf *ibuf, unsigned char *mem, size_t size, int tx, int
if (TIFFReadRGBATile(image, tx * ibuf->tilex, (ibuf->ytiles - 1 - ty) * ibuf->tiley, rect) == 1) {
if (ibuf->tiley > ibuf->y)
memmove(rect, rect + ibuf->tilex * (ibuf->tiley - ibuf->y), sizeof(int) * ibuf->tilex * ibuf->y);
-
- if (ibuf->flags & IB_premul)
- IMB_premultiply_rect(rect, 32, ibuf->tilex, ibuf->tiley);
}
else
printf("imb_loadtiff: failed to read tiff tile at mipmap level %d\n", ibuf->miplevel);
@@ -689,8 +708,6 @@ int imb_savetiff(ImBuf *ibuf, const char *name, int flags)
float *fromf = NULL;
float xres, yres;
int x, y, from_i, to_i, i;
- int extraSampleTypes[1] = { EXTRASAMPLE_ASSOCALPHA };
-
/* check for a valid number of bytes per pixel. Like the PNG writer,
* the TIFF writer supports 1, 3 or 4 bytes per pixel, corresponding
@@ -763,6 +780,13 @@ int imb_savetiff(ImBuf *ibuf, const char *name, int flags)
TIFFSetField(image, TIFFTAG_SAMPLESPERPIXEL, samplesperpixel);
if (samplesperpixel == 4) {
+ unsigned short extraSampleTypes[1];
+
+ if (bitspersample == 16)
+ extraSampleTypes[0] = EXTRASAMPLE_ASSOCALPHA;
+ else
+ extraSampleTypes[0] = EXTRASAMPLE_UNASSALPHA;
+
/* RGBA images */
TIFFSetField(image, TIFFTAG_EXTRASAMPLES, 1,
extraSampleTypes);
diff --git a/source/blender/makesdna/DNA_image_types.h b/source/blender/makesdna/DNA_image_types.h
index fe3550327f7..0f47ee224ae 100644
--- a/source/blender/makesdna/DNA_image_types.h
+++ b/source/blender/makesdna/DNA_image_types.h
@@ -111,6 +111,9 @@ typedef struct Image {
/* color management */
ColorManagedColorspaceSettings colorspace_settings;
+ char alpha_mode;
+
+ char pad[7];
} Image;
@@ -119,15 +122,16 @@ typedef struct Image {
/* Image.flag */
#define IMA_FIELDS 1
#define IMA_STD_FIELD 2
-#define IMA_DO_PREMUL 4
+#define IMA_DO_PREMUL 4 /* deprecated, should not be used */
#define IMA_REFLECT 16
#define IMA_NOCOLLECT 32
#define IMA_DEPRECATED 64
#define IMA_OLD_PREMUL 128
-#define IMA_CM_PREDIVIDE 256
+/*#define IMA_CM_PREDIVIDE 256*/ /* deprecated, should not be used */
#define IMA_USED_FOR_RENDER 512
#define IMA_USER_FRAME_IN_RANGE 1024 /* for image user, but these flags are mixed */
#define IMA_VIEW_AS_RENDER 2048
+#define IMA_IGNORE_ALPHA 4096
/* Image.tpageflag */
#define IMA_TILES 1
@@ -148,4 +152,10 @@ typedef struct Image {
/* gen_flag */
#define IMA_GEN_FLOAT 1
+/* alpha_mode */
+enum {
+ IMA_ALPHA_STRAIGHT = 0,
+ IMA_ALPHA_PREMUL = 1,
+};
+
#endif
diff --git a/source/blender/makesdna/DNA_scene_types.h b/source/blender/makesdna/DNA_scene_types.h
index fad539de284..1e83b3dadf9 100644
--- a/source/blender/makesdna/DNA_scene_types.h
+++ b/source/blender/makesdna/DNA_scene_types.h
@@ -1292,11 +1292,11 @@ typedef struct Scene {
/* alphamode */
#define R_ADDSKY 0
#define R_ALPHAPREMUL 1
-#define R_ALPHAKEY 2
+/*#define R_ALPHAKEY 2*/ /* deprecated, shouldn't be used */
/* color_mgt_flag */
#define R_COLOR_MANAGEMENT (1 << 0) /* deprecated, should only be used in versioning code only */
-#define R_COLOR_MANAGEMENT_PREDIVIDE (1 << 1)
+/*#define R_COLOR_MANAGEMENT_PREDIVIDE (1 << 1)*/ /* deprecated, shouldn't be used */
/* subimtype, flag options for imtype */
#define R_OPENEXR_HALF 1 /*deprecated*/
diff --git a/source/blender/makesdna/DNA_sequence_types.h b/source/blender/makesdna/DNA_sequence_types.h
index f106c8f918a..0aa466f7245 100644
--- a/source/blender/makesdna/DNA_sequence_types.h
+++ b/source/blender/makesdna/DNA_sequence_types.h
@@ -172,7 +172,10 @@ typedef struct Sequence {
float blend_opacity;
/* is sfra needed anymore? - it looks like its only used in one place */
- int sfra, pad; /* starting frame according to the timeline of the scene. */
+ int sfra; /* starting frame according to the timeline of the scene. */
+
+ char alpha_mode;
+ char pad[3];
/* modifiers */
ListBase modifiers;
@@ -315,7 +318,7 @@ typedef struct SequencerScopes {
#define SEQ_OVERLAP (1 << 3)
#define SEQ_FILTERY (1 << 4)
#define SEQ_MUTE (1 << 5)
-#define SEQ_MAKE_PREMUL (1 << 6)
+#define SEQ_MAKE_PREMUL (1 << 6) /* deprecated, used for compatibility code only */
#define SEQ_REVERSE_FRAMES (1 << 7)
#define SEQ_IPO_FRAME_LOCKED (1 << 8)
#define SEQ_EFFECT_NOT_LOADED (1 << 9)
@@ -366,6 +369,12 @@ typedef struct SequencerScopes {
#define SEQ_PROXY_TC_RECORD_RUN_NO_GAPS 8
#define SEQ_PROXY_TC_ALL 15
+/* seq->alpha_mode */
+enum {
+ SEQ_ALPHA_STRAIGHT = 0,
+ SEQ_ALPHA_PREMUL = 1
+};
+
/* seq->type WATCH IT: SEQ_TYPE_EFFECT BIT is used to determine if this is an effect strip!!! */
enum {
SEQ_TYPE_IMAGE = 0,
diff --git a/source/blender/makesdna/DNA_texture_types.h b/source/blender/makesdna/DNA_texture_types.h
index dd63e6aad59..ea4f281efd6 100644
--- a/source/blender/makesdna/DNA_texture_types.h
+++ b/source/blender/makesdna/DNA_texture_types.h
@@ -340,7 +340,7 @@ typedef struct ColorMapping {
/* imaflag */
#define TEX_INTERPOL 1
-#define TEX_USEALPHA 2
+#define TEX_USEALPHA 2 /* deprecated, used for versioning only */
#define TEX_MIPMAP 4
#define TEX_IMAROT 16
#define TEX_CALCALPHA 32
diff --git a/source/blender/makesrna/intern/rna_image.c b/source/blender/makesrna/intern/rna_image.c
index ad7682b3af5..11e33152375 100644
--- a/source/blender/makesrna/intern/rna_image.c
+++ b/source/blender/makesrna/intern/rna_image.c
@@ -136,6 +136,15 @@ static void rna_Image_reload_update(Main *UNUSED(bmain), Scene *UNUSED(scene), P
static void rna_Image_generated_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
{
Image *ima = ptr->id.data;
+ BKE_image_signal(ima, NULL, IMA_SIGNAL_COLORMANAGE);
+ DAG_id_tag_update(&ima->id, 0);
+ WM_main_add_notifier(NC_IMAGE | ND_DISPLAY, &ima->id);
+ WM_main_add_notifier(NC_IMAGE | NA_EDITED, &ima->id);
+}
+
+static void rna_Image_colormanage_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
+{
+ Image *ima = ptr->id.data;
BKE_image_signal(ima, NULL, IMA_SIGNAL_FREE);
}
@@ -463,6 +472,11 @@ static void rna_def_image(BlenderRNA *brna)
{IMA_STD_FIELD, "ODD", 0, "Lower First", "Lower field first"},
{0, NULL, 0, NULL, NULL}
};
+ static const EnumPropertyItem alpha_mode_items[] = {
+ {IMA_ALPHA_STRAIGHT, "STRAIGHT", 0, "Straight", "Transparent RGB and alpha pixels are unmodified"},
+ {IMA_ALPHA_PREMUL, "PREMUL", 0, "Premultiplied", "Transparent RGB pixels are multiplied by the alpha channel"},
+ {0, NULL, 0, NULL, NULL}
+ };
srna = RNA_def_struct(brna, "Image", "ID");
RNA_def_struct_ui_text(srna, "Image", "Image datablock referencing an external or packed image");
@@ -512,23 +526,17 @@ static void rna_def_image(BlenderRNA *brna)
RNA_def_property_update(prop, NC_IMAGE | ND_DISPLAY, "rna_Image_fields_update");
RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
- prop = RNA_def_property(srna, "use_premultiply", PROP_BOOLEAN, PROP_NONE);
- RNA_def_property_boolean_sdna(prop, NULL, "flag", IMA_DO_PREMUL);
- RNA_def_property_ui_text(prop, "Premultiply", "Convert RGB from key alpha to premultiplied alpha");
- RNA_def_property_update(prop, NC_IMAGE | ND_DISPLAY, "rna_Image_free_update");
-
- prop = RNA_def_property(srna, "use_color_unpremultiply", PROP_BOOLEAN, PROP_NONE);
- RNA_def_property_boolean_sdna(prop, NULL, "flag", IMA_CM_PREDIVIDE);
- RNA_def_property_ui_text(prop, "Color Unpremultiply",
- "For premultiplied alpha images, do color space conversion on colors without alpha, "
- "to avoid fringing for images with light backgrounds");
- RNA_def_property_update(prop, NC_IMAGE | ND_DISPLAY, "rna_Image_free_update");
prop = RNA_def_property(srna, "view_as_render", PROP_BOOLEAN, PROP_NONE);
RNA_def_property_boolean_sdna(prop, NULL, "flag", IMA_VIEW_AS_RENDER);
RNA_def_property_ui_text(prop, "View as Render", "Apply render part of display transformation when displaying this image on the screen");
RNA_def_property_update(prop, NC_IMAGE | ND_DISPLAY, NULL);
+ prop = RNA_def_property(srna, "use_alpha", PROP_BOOLEAN, PROP_NONE);
+ RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", IMA_IGNORE_ALPHA);
+ RNA_def_property_ui_text(prop, "Use Alpha", "Use the alpha channel information from the image or make image fully opaque");
+ RNA_def_property_update(prop, NC_IMAGE | ND_DISPLAY, "rna_Image_generated_update");
+
prop = RNA_def_property(srna, "is_dirty", PROP_BOOLEAN, PROP_NONE);
RNA_def_property_boolean_funcs(prop, "rna_Image_dirty_get", NULL);
RNA_def_property_clear_flag(prop, PROP_EDITABLE);
@@ -677,6 +685,11 @@ static void rna_def_image(BlenderRNA *brna)
RNA_def_property_struct_type(prop, "ColorManagedInputColorspaceSettings");
RNA_def_property_ui_text(prop, "Color Space Settings", "Input color space settings");
+ prop = RNA_def_property(srna, "alpha_mode", PROP_ENUM, PROP_NONE);
+ RNA_def_property_enum_items(prop, alpha_mode_items);
+ RNA_def_property_ui_text(prop, "Alpha Mode", "Representation of alpha information in the RGBA pixels");
+ RNA_def_property_update(prop, NC_IMAGE | ND_DISPLAY, "rna_Image_generated_update");
+
RNA_api_image(srna);
}
diff --git a/source/blender/makesrna/intern/rna_scene.c b/source/blender/makesrna/intern/rna_scene.c
index 5696511b614..b08e4731789 100644
--- a/source/blender/makesrna/intern/rna_scene.c
+++ b/source/blender/makesrna/intern/rna_scene.c
@@ -3332,8 +3332,7 @@ static void rna_def_scene_render_data(BlenderRNA *brna)
static EnumPropertyItem alpha_mode_items[] = {
{R_ADDSKY, "SKY", 0, "Sky", "Transparent pixels are filled with sky color"},
- {R_ALPHAPREMUL, "PREMUL", 0, "Premultiplied", "Transparent RGB pixels are multiplied by the alpha channel"},
- {R_ALPHAKEY, "STRAIGHT", 0, "Straight Alpha", "Transparent RGB and alpha pixels are unmodified"},
+ {R_ALPHAPREMUL, "TRANSPARENT", 0, "Transparent", "World background is transparent with premultiplied alpha"},
{0, NULL, 0, NULL, NULL}
};
@@ -3767,13 +3766,6 @@ static void rna_def_scene_render_data(BlenderRNA *brna)
"editor pipeline, if sequencer strips exist");
RNA_def_property_update(prop, NC_SCENE | ND_RENDER_OPTIONS, NULL);
- prop = RNA_def_property(srna, "use_color_unpremultiply", PROP_BOOLEAN, PROP_NONE);
- RNA_def_property_boolean_sdna(prop, NULL, "color_mgt_flag", R_COLOR_MANAGEMENT_PREDIVIDE);
- RNA_def_property_ui_text(prop, "Color Unpremultiply",
- "For premultiplied alpha render output, do color space conversion on "
- "colors without alpha, to avoid fringing on light backgrounds");
- RNA_def_property_update(prop, NC_SCENE | ND_RENDER_OPTIONS, NULL);
-
prop = RNA_def_property(srna, "use_file_extension", PROP_BOOLEAN, PROP_NONE);
RNA_def_property_boolean_sdna(prop, NULL, "scemode", R_EXTENSION);
RNA_def_property_ui_text(prop, "File Extensions",
diff --git a/source/blender/makesrna/intern/rna_sequencer.c b/source/blender/makesrna/intern/rna_sequencer.c
index 5c51f871ac8..e849e84ff38 100644
--- a/source/blender/makesrna/intern/rna_sequencer.c
+++ b/source/blender/makesrna/intern/rna_sequencer.c
@@ -1541,14 +1541,20 @@ static void rna_def_filter_video(StructRNA *srna)
{
PropertyRNA *prop;
+ static const EnumPropertyItem alpha_mode_items[] = {
+ {SEQ_ALPHA_STRAIGHT, "STRAIGHT", 0, "Straight", "RGB channels in transparent pixels are unaffected by the alpha channel"},
+ {SEQ_ALPHA_PREMUL, "PREMUL", 0, "Premultiplied", "RGB channels in transparent pixels are multiplied by the alpha channel"},
+ {0, NULL, 0, NULL, NULL}
+ };
+
prop = RNA_def_property(srna, "use_deinterlace", PROP_BOOLEAN, PROP_NONE);
RNA_def_property_boolean_sdna(prop, NULL, "flag", SEQ_FILTERY);
RNA_def_property_ui_text(prop, "De-Interlace", "For video movies to remove fields");
RNA_def_property_update(prop, NC_SCENE | ND_SEQUENCER, "rna_Sequence_update_reopen_files");
- prop = RNA_def_property(srna, "use_premultiply", PROP_BOOLEAN, PROP_NONE);
- RNA_def_property_boolean_sdna(prop, NULL, "flag", SEQ_MAKE_PREMUL);
- RNA_def_property_ui_text(prop, "Premultiply", "Convert RGB from key alpha to premultiplied alpha");
+ prop = RNA_def_property(srna, "alpha_mode", PROP_ENUM, PROP_NONE);
+ RNA_def_property_enum_items(prop, alpha_mode_items);
+ RNA_def_property_ui_text(prop, "Alpha Mode", "Representation of alpha information in the RGBA pixels");
RNA_def_property_update(prop, NC_SCENE | ND_SEQUENCER, "rna_Sequence_update");
prop = RNA_def_property(srna, "use_flip_x", PROP_BOOLEAN, PROP_NONE);
diff --git a/source/blender/makesrna/intern/rna_texture.c b/source/blender/makesrna/intern/rna_texture.c
index e116e5df0de..2ab448c9188 100644
--- a/source/blender/makesrna/intern/rna_texture.c
+++ b/source/blender/makesrna/intern/rna_texture.c
@@ -1194,11 +1194,6 @@ static void rna_def_texture_image(BlenderRNA *brna)
RNA_def_property_ui_text(prop, "Flip Axis", "Flip the texture's X and Y axis");
RNA_def_property_update(prop, 0, "rna_Texture_update");
- prop = RNA_def_property(srna, "use_alpha", PROP_BOOLEAN, PROP_NONE);
- RNA_def_property_boolean_sdna(prop, NULL, "imaflag", TEX_USEALPHA);
- RNA_def_property_ui_text(prop, "Use Alpha", "Use the alpha channel information in the image");
- RNA_def_property_update(prop, 0, "rna_Texture_update");
-
prop = RNA_def_property(srna, "use_calculate_alpha", PROP_BOOLEAN, PROP_NONE);
RNA_def_property_boolean_sdna(prop, NULL, "imaflag", TEX_CALCALPHA);
RNA_def_property_ui_text(prop, "Calculate Alpha", "Calculate an alpha channel based on RGB values in the image");
diff --git a/source/blender/nodes/composite/node_composite_util.c b/source/blender/nodes/composite/node_composite_util.c
index 57eb99021f6..c4b48b83b16 100644
--- a/source/blender/nodes/composite/node_composite_util.c
+++ b/source/blender/nodes/composite/node_composite_util.c
@@ -615,7 +615,7 @@ void generate_preview(void *data, bNode *node, CompBuf *stackbuf)
bNodePreview *preview= node->preview;
int xsize, ysize;
int profile_from= (rd->color_mgt_flag & R_COLOR_MANAGEMENT)? IB_PROFILE_LINEAR_RGB: IB_PROFILE_SRGB;
- int predivide= (rd->color_mgt_flag & R_COLOR_MANAGEMENT_PREDIVIDE);
+ int predivide= TRUE;
int dither= 0;
unsigned char *rect;
diff --git a/source/blender/nodes/composite/nodes/node_composite_image.c b/source/blender/nodes/composite/nodes/node_composite_image.c
index 88d78df190f..7e44210928c 100644
--- a/source/blender/nodes/composite/nodes/node_composite_image.c
+++ b/source/blender/nodes/composite/nodes/node_composite_image.c
@@ -291,7 +291,6 @@ static void cmp_node_image_update(bNodeTree *ntree, bNode *node)
float *node_composit_get_float_buffer(RenderData *rd, ImBuf *ibuf, int *alloc)
{
float *rect;
- int predivide= (ibuf->flags & IB_cm_predivide);
*alloc= FALSE;
@@ -305,7 +304,7 @@ float *node_composit_get_float_buffer(RenderData *rd, ImBuf *ibuf, int *alloc)
rect= MEM_mapallocN(sizeof(float) * 4 * ibuf->x * ibuf->y, "node_composit_get_image");
IMB_buffer_float_from_float(rect, ibuf->rect_float,
- 4, IB_PROFILE_SRGB, IB_PROFILE_LINEAR_RGB, predivide,
+ 4, IB_PROFILE_SRGB, IB_PROFILE_LINEAR_RGB, TRUE,
ibuf->x, ibuf->y, ibuf->x, ibuf->x);
*alloc= TRUE;
diff --git a/source/blender/render/intern/include/render_result.h b/source/blender/render/intern/include/render_result.h
index 5d61417cbaf..61b39a59b0b 100644
--- a/source/blender/render/intern/include/render_result.h
+++ b/source/blender/render/intern/include/render_result.h
@@ -91,7 +91,7 @@ void render_result_rect_from_ibuf(struct RenderResult *rr, struct RenderData *rd
struct ImBuf *ibuf);
void render_result_rect_fill_zero(struct RenderResult *rr);
-void render_result_rect_get_pixels(struct RenderResult *rr, struct RenderData *rd,
+void render_result_rect_get_pixels(struct RenderResult *rr,
unsigned int *rect, int rectx, int recty,
const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings);
diff --git a/source/blender/render/intern/source/imagetexture.c b/source/blender/render/intern/source/imagetexture.c
index 7c14e0e5465..4aaa6247478 100644
--- a/source/blender/render/intern/source/imagetexture.c
+++ b/source/blender/render/intern/source/imagetexture.c
@@ -102,6 +102,11 @@ static void ibuf_get_color(float col[4], struct ImBuf *ibuf, int x, int y)
col[1] = ((float)rect[1])*(1.0f/255.0f);
col[2] = ((float)rect[2])*(1.0f/255.0f);
col[3] = ((float)rect[3])*(1.0f/255.0f);
+
+ /* bytes are internally straight, however render pipeline seems to expect premul */
+ col[0] *= col[3];
+ col[1] *= col[3];
+ col[2] *= col[3];
}
}
@@ -219,10 +224,8 @@ int imagewrap(Tex *tex, Image *ima, ImBuf *ibuf, const float texvec[3], TexResul
}
/* keep this before interpolation [#29761] */
- if (tex->imaflag & TEX_USEALPHA) {
- if ((tex->imaflag & TEX_CALCALPHA) == 0) {
- texres->talpha = TRUE;
- }
+ if ((tex->imaflag & TEX_CALCALPHA) == 0) {
+ texres->talpha = TRUE;
}
/* interpolate */
@@ -710,9 +713,10 @@ static int ibuf_get_color_clip(float col[4], ImBuf *ibuf, int x, int y, int extf
}
else {
char *rect = (char *)(ibuf->rect + x + y*ibuf->x);
- col[0] = rect[0]*(1.f/255.f);
- col[1] = rect[1]*(1.f/255.f);
- col[2] = rect[2]*(1.f/255.f);
+ float inv_alpha_fac = (1.0f / 255.0f) * rect[3] * (1.0f / 255.0f);
+ col[0] = rect[0] * inv_alpha_fac;
+ col[1] = rect[1] * inv_alpha_fac;
+ col[2] = rect[2] * inv_alpha_fac;
col[3] = clip ? 0.f : rect[3]*(1.f/255.f);
}
return clip;
@@ -1088,7 +1092,8 @@ static int imagewraposa_aniso(Tex *tex, Image *ima, ImBuf *ibuf, const float tex
/* mipmap test */
image_mipmap_test(tex, ibuf);
- if ((tex->imaflag & TEX_USEALPHA) && ((tex->imaflag & TEX_CALCALPHA) == 0)) texres->talpha = 1;
+ if ((tex->imaflag & TEX_CALCALPHA) == 0)
+ texres->talpha = 1;
texr.talpha = texres->talpha;
if (tex->imaflag & TEX_IMAROT) {
@@ -1501,13 +1506,8 @@ int imagewraposa(Tex *tex, Image *ima, ImBuf *ibuf, const float texvec[3], const
/* mipmap test */
image_mipmap_test(tex, ibuf);
- if (tex->imaflag & TEX_USEALPHA) {
- if (tex->imaflag & TEX_CALCALPHA) {
- /* pass */
- }
- else {
- texres->talpha = TRUE;
- }
+ if ((tex->imaflag & TEX_CALCALPHA) == 0) {
+ texres->talpha = TRUE;
}
texr.talpha= texres->talpha;
diff --git a/source/blender/render/intern/source/pipeline.c b/source/blender/render/intern/source/pipeline.c
index 0545d2940ab..f2db84c47a9 100644
--- a/source/blender/render/intern/source/pipeline.c
+++ b/source/blender/render/intern/source/pipeline.c
@@ -336,7 +336,7 @@ void RE_ResultGet32(Render *re, unsigned int *rect)
RenderResult rres;
RE_AcquireResultImage(re, &rres);
- render_result_rect_get_pixels(&rres, &re->r, rect, re->rectx, re->recty, &re->scene->view_settings, &re->scene->display_settings);
+ render_result_rect_get_pixels(&rres, rect, re->rectx, re->recty, &re->scene->view_settings, &re->scene->display_settings);
RE_ReleaseResultImage(re);
}
@@ -833,7 +833,7 @@ static void threaded_tile_processor(Render *re)
if (re->result == NULL)
return;
-
+
/* warning; no return here without closing exr file */
RE_parts_init(re, TRUE);
@@ -1092,7 +1092,7 @@ static void do_render_blur_3d(Render *re)
blurfac = 1.0f / (float)(re->r.mblur_samples - blur);
- merge_renderresult_blur(rres, re->result, blurfac, re->r.alphamode & R_ALPHAKEY);
+ merge_renderresult_blur(rres, re->result, blurfac, FALSE);
if (re->test_break(re->tbh)) break;
}
diff --git a/source/blender/render/intern/source/render_result.c b/source/blender/render/intern/source/render_result.c
index f8281586038..78750cfd1ca 100644
--- a/source/blender/render/intern/source/render_result.c
+++ b/source/blender/render/intern/source/render_result.c
@@ -434,7 +434,7 @@ RenderResult *render_result_new(Render *re, rcti *partrct, int crop, int savebuf
rr->renrect.xmin = 0; rr->renrect.xmax = rectx - 2 * crop;
/* crop is one or two extra pixels rendered for filtering, is used for merging and display too */
rr->crop = crop;
-
+
/* tilerect is relative coordinates within render disprect. do not subtract crop yet */
rr->tilerect.xmin = partrct->xmin - re->disprect.xmin;
rr->tilerect.xmax = partrct->xmax - re->disprect.xmin;
@@ -1077,8 +1077,7 @@ int render_result_exr_file_read_path(RenderResult *rr, RenderLayer *rl_single, c
ImBuf *render_result_rect_to_ibuf(RenderResult *rr, RenderData *rd)
{
- int flags = (rd->color_mgt_flag & R_COLOR_MANAGEMENT_PREDIVIDE) ? IB_cm_predivide : 0;
- ImBuf *ibuf = IMB_allocImBuf(rr->rectx, rr->recty, rd->im_format.planes, flags);
+ ImBuf *ibuf = IMB_allocImBuf(rr->rectx, rr->recty, rd->im_format.planes, 0);
/* if not exists, BKE_imbuf_write makes one */
ibuf->rect = (unsigned int *)rr->rect32;
@@ -1148,17 +1147,15 @@ void render_result_rect_fill_zero(RenderResult *rr)
rr->rect32 = MEM_callocN(sizeof(int) * rr->rectx * rr->recty, "render_seq rect");
}
-void render_result_rect_get_pixels(RenderResult *rr, RenderData *rd, unsigned int *rect, int rectx, int recty,
+void render_result_rect_get_pixels(RenderResult *rr, unsigned int *rect, int rectx, int recty,
const ColorManagedViewSettings *view_settings, const ColorManagedDisplaySettings *display_settings)
{
if (rr->rect32) {
memcpy(rect, rr->rect32, sizeof(int) * rr->rectx * rr->recty);
}
else if (rr->rectf) {
- int predivide = (rd->color_mgt_flag & R_COLOR_MANAGEMENT_PREDIVIDE);
-
IMB_display_buffer_transform_apply((unsigned char *) rect, rr->rectf, rr->rectx, rr->recty, 4,
- view_settings, display_settings, predivide);
+ view_settings, display_settings, TRUE);
}
else
/* else fill with black */
diff --git a/source/blender/render/intern/source/rendercore.c b/source/blender/render/intern/source/rendercore.c
index 9f171ba71db..9b08d6c07e9 100644
--- a/source/blender/render/intern/source/rendercore.c
+++ b/source/blender/render/intern/source/rendercore.c
@@ -710,9 +710,11 @@ static void sky_tile(RenderPart *pa, RenderLayer *rl)
if (pass[3]==0.0f) {
copy_v4_v4(pass, col);
+ pass[3] = 1.0f;
}
else {
addAlphaUnderFloat(pass, col);
+ pass[3] = 1.0f;
}
}
}
@@ -981,29 +983,6 @@ static void edge_enhance_add(RenderPart *pa, float *rectf, float *arect)
}
}
-static void convert_to_key_alpha(RenderPart *pa, RenderLayer *rl)
-{
- RenderLayer *rlpp[RE_MAX_OSA];
- int y, sample, totsample;
-
- totsample= get_sample_layers(pa, rl, rlpp);
-
- for (sample= 0; sample<totsample; sample++) {
- float *rectf= rlpp[sample]->rectf;
-
- for (y= pa->rectx*pa->recty; y>0; y--, rectf+=4) {
- if (rectf[3] >= 1.0f) {
- /* pass */
- }
- else if (rectf[3] > 0.0f) {
- rectf[0] /= rectf[3];
- rectf[1] /= rectf[3];
- rectf[2] /= rectf[3];
- }
- }
- }
-}
-
/* clamp alpha and RGB to 0..1 and 0..inf, can go outside due to filter */
static void clamp_alpha_rgb_range(RenderPart *pa, RenderLayer *rl)
{
@@ -1312,10 +1291,6 @@ void zbufshadeDA_tile(RenderPart *pa)
/* clamp alpha to 0..1 range, can go outside due to filter */
clamp_alpha_rgb_range(pa, rl);
- /* de-premul alpha */
- if (R.r.alphamode & R_ALPHAKEY)
- convert_to_key_alpha(pa, rl);
-
/* free stuff within loop! */
MEM_freeN(pa->rectdaps); pa->rectdaps= NULL;
freeps(&psmlist);
@@ -1476,10 +1451,6 @@ void zbufshade_tile(RenderPart *pa)
if (rl->passflag & SCE_PASS_VECTOR)
reset_sky_speed(pa, rl);
- /* de-premul alpha */
- if (R.r.alphamode & R_ALPHAKEY)
- convert_to_key_alpha(pa, rl);
-
if (edgerect) MEM_freeN(edgerect);
edgerect= NULL;