diff options
author | Bastien Montagne <montagne29@wanadoo.fr> | 2016-06-27 16:59:01 +0300 |
---|---|---|
committer | Bastien Montagne <montagne29@wanadoo.fr> | 2016-06-27 16:59:01 +0300 |
commit | cbce7fef1604fdfd3099fd196b2a44f61b22eb76 (patch) | |
tree | b11963a42641ef95c61c01a7b2b83dddce4cd1a2 /source/blender/gpu | |
parent | c2dc77983dc4d3271858737a15ee058ef48fb833 (diff) | |
parent | e2c7ee773311734450a229051673fbfea61b641a (diff) |
Merge branch 'master' into blender2.8
Conflicts:
source/blender/blenkernel/intern/pointcache.c
source/blender/makesrna/intern/rna_main_api.c
source/blender/makesrna/intern/rna_particle.c
Diffstat (limited to 'source/blender/gpu')
-rw-r--r-- | source/blender/gpu/GPU_draw.h | 6 | ||||
-rw-r--r-- | source/blender/gpu/intern/gpu_draw.c | 149 | ||||
-rw-r--r-- | source/blender/gpu/shaders/gpu_shader_vertex.glsl | 6 | ||||
-rw-r--r-- | source/blender/gpu/shaders/gpu_shader_vertex_world.glsl | 68 |
4 files changed, 229 insertions, 0 deletions
diff --git a/source/blender/gpu/GPU_draw.h b/source/blender/gpu/GPU_draw.h index bc732387c85..90b65af87c8 100644 --- a/source/blender/gpu/GPU_draw.h +++ b/source/blender/gpu/GPU_draw.h @@ -160,6 +160,12 @@ struct DerivedMesh; void GPU_draw_update_fvar_offset(struct DerivedMesh *dm); #endif +/* utilities */ +void GPU_select_index_set(int index); +void GPU_select_index_get(int index, int *r_col); +int GPU_select_to_index(unsigned int col); +void GPU_select_to_index_array(unsigned int *col, const unsigned int size); + #ifdef __cplusplus } #endif diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c index 52177b756c5..3ea64e1f6d5 100644 --- a/source/blender/gpu/intern/gpu_draw.c +++ b/source/blender/gpu/intern/gpu_draw.c @@ -2327,3 +2327,152 @@ void GPU_draw_update_fvar_offset(DerivedMesh *dm) } } #endif + + +/** \name Framebuffer color depth, for selection codes + * \{ */ + +#ifdef __APPLE__ + +/* apple seems to round colors to below and up on some configs */ + +static unsigned int index_to_framebuffer(int index) +{ + unsigned int i = index; + + switch (GPU_color_depth()) { + case 12: + i = ((i & 0xF00) << 12) + ((i & 0xF0) << 8) + ((i & 0xF) << 4); + /* sometimes dithering subtracts! */ + i |= 0x070707; + break; + case 15: + case 16: + i = ((i & 0x7C00) << 9) + ((i & 0x3E0) << 6) + ((i & 0x1F) << 3); + i |= 0x030303; + break; + case 24: + break; + default: /* 18 bits... */ + i = ((i & 0x3F000) << 6) + ((i & 0xFC0) << 4) + ((i & 0x3F) << 2); + i |= 0x010101; + break; + } + + return i; +} + +#else + +/* this is the old method as being in use for ages.... seems to work? colors are rounded to lower values */ + +static unsigned int index_to_framebuffer(int index) +{ + unsigned int i = index; + + switch (GPU_color_depth()) { + case 8: + i = ((i & 48) << 18) + ((i & 12) << 12) + ((i & 3) << 6); + i |= 0x3F3F3F; + break; + case 12: + i = ((i & 0xF00) << 12) + ((i & 0xF0) << 8) + ((i & 0xF) << 4); + /* sometimes dithering subtracts! */ + i |= 0x0F0F0F; + break; + case 15: + case 16: + i = ((i & 0x7C00) << 9) + ((i & 0x3E0) << 6) + ((i & 0x1F) << 3); + i |= 0x070707; + break; + case 24: + break; + default: /* 18 bits... */ + i = ((i & 0x3F000) << 6) + ((i & 0xFC0) << 4) + ((i & 0x3F) << 2); + i |= 0x030303; + break; + } + + return i; +} + +#endif + + +void GPU_select_index_set(int index) +{ + const int col = index_to_framebuffer(index); + glColor3ub(( (col) & 0xFF), + (((col) >> 8) & 0xFF), + (((col) >> 16) & 0xFF)); +} + +void GPU_select_index_get(int index, int *r_col) +{ + const int col = index_to_framebuffer(index); + char *c_col = (char *)r_col; + c_col[0] = (col & 0xFF); /* red */ + c_col[1] = ((col >> 8) & 0xFF); /* green */ + c_col[2] = ((col >> 16) & 0xFF); /* blue */ + c_col[3] = 0xFF; /* alpha */ +} + + +#define INDEX_FROM_BUF_8(col) ((((col) & 0xC00000) >> 18) + (((col) & 0xC000) >> 12) + (((col) & 0xC0) >> 6)) +#define INDEX_FROM_BUF_12(col) ((((col) & 0xF00000) >> 12) + (((col) & 0xF000) >> 8) + (((col) & 0xF0) >> 4)) +#define INDEX_FROM_BUF_15_16(col) ((((col) & 0xF80000) >> 9) + (((col) & 0xF800) >> 6) + (((col) & 0xF8) >> 3)) +#define INDEX_FROM_BUF_18(col) ((((col) & 0xFC0000) >> 6) + (((col) & 0xFC00) >> 4) + (((col) & 0xFC) >> 2)) +#define INDEX_FROM_BUF_24(col) ((col) & 0xFFFFFF) + +int GPU_select_to_index(unsigned int col) +{ + if (col == 0) { + return 0; + } + + switch (GPU_color_depth()) { + case 8: return INDEX_FROM_BUF_8(col); + case 12: return INDEX_FROM_BUF_12(col); + case 15: + case 16: return INDEX_FROM_BUF_15_16(col); + case 24: return INDEX_FROM_BUF_24(col); + default: return INDEX_FROM_BUF_18(col); + } +} + +void GPU_select_to_index_array(unsigned int *col, const unsigned int size) +{ +#define INDEX_BUF_ARRAY(INDEX_FROM_BUF_BITS) \ + for (i = size; i--; col++) { \ + if ((c = *col)) { \ + *col = INDEX_FROM_BUF_BITS(c); \ + } \ + } ((void)0) + + if (size > 0) { + unsigned int i, c; + + switch (GPU_color_depth()) { + case 8: + INDEX_BUF_ARRAY(INDEX_FROM_BUF_8); + break; + case 12: + INDEX_BUF_ARRAY(INDEX_FROM_BUF_12); + break; + case 15: + case 16: + INDEX_BUF_ARRAY(INDEX_FROM_BUF_15_16); + break; + case 24: + INDEX_BUF_ARRAY(INDEX_FROM_BUF_24); + break; + default: + INDEX_BUF_ARRAY(INDEX_FROM_BUF_18); + break; + } + } + +#undef INDEX_BUF_ARRAY +} + +/** \} */ diff --git a/source/blender/gpu/shaders/gpu_shader_vertex.glsl b/source/blender/gpu/shaders/gpu_shader_vertex.glsl index 9a6537b4f09..db0068d2f3d 100644 --- a/source/blender/gpu/shaders/gpu_shader_vertex.glsl +++ b/source/blender/gpu/shaders/gpu_shader_vertex.glsl @@ -14,6 +14,9 @@ varying vec3 varnormal; varying float gl_ClipDistance[6]; #endif + +/* Color, keep in sync with: gpu_shader_vertex_world.glsl */ + float srgb_to_linearrgb(float c) { if (c < 0.04045) @@ -76,6 +79,9 @@ void set_var_from_attr(vec4 attr, int info, out vec4 var) } } +/* end color code */ + + void main() { #ifndef USE_OPENSUBDIV diff --git a/source/blender/gpu/shaders/gpu_shader_vertex_world.glsl b/source/blender/gpu/shaders/gpu_shader_vertex_world.glsl index 9dbcaeb7a32..d45a4b316a8 100644 --- a/source/blender/gpu/shaders/gpu_shader_vertex_world.glsl +++ b/source/blender/gpu/shaders/gpu_shader_vertex_world.glsl @@ -2,6 +2,74 @@ varying vec3 varposition; varying vec3 varnormal; + +/* Color, keep in sync with: gpu_shader_vertex.glsl */ + +float srgb_to_linearrgb(float c) +{ + if (c < 0.04045) + return (c < 0.0) ? 0.0 : c * (1.0 / 12.92); + else + return pow((c + 0.055) * (1.0 / 1.055), 2.4); +} + +void srgb_to_linearrgb(vec3 col_from, out vec3 col_to) +{ + col_to.r = srgb_to_linearrgb(col_from.r); + col_to.g = srgb_to_linearrgb(col_from.g); + col_to.b = srgb_to_linearrgb(col_from.b); +} + +void srgb_to_linearrgb(vec4 col_from, out vec4 col_to) +{ + col_to.r = srgb_to_linearrgb(col_from.r); + col_to.g = srgb_to_linearrgb(col_from.g); + col_to.b = srgb_to_linearrgb(col_from.b); + col_to.a = col_from.a; +} + +bool is_srgb(int info) +{ +#ifdef USE_NEW_SHADING + return (info == 1)? true: false; +#else + return false; +#endif +} + +void set_var_from_attr(float attr, int info, out float var) +{ + var = attr; +} + +void set_var_from_attr(vec2 attr, int info, out vec2 var) +{ + var = attr; +} + +void set_var_from_attr(vec3 attr, int info, out vec3 var) +{ + if (is_srgb(info)) { + srgb_to_linearrgb(attr, var); + } + else { + var = attr; + } +} + +void set_var_from_attr(vec4 attr, int info, out vec4 var) +{ + if (is_srgb(info)) { + srgb_to_linearrgb(attr, var); + } + else { + var = attr; + } +} + +/* end color code */ + + void main() { /* position does not need to be transformed, we already have it */ |