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path: root/source/blender/draw/engines/gpencil/gpencil_shader_fx.c
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Diffstat (limited to 'source/blender/draw/engines/gpencil/gpencil_shader_fx.c')
-rw-r--r--source/blender/draw/engines/gpencil/gpencil_shader_fx.c167
1 files changed, 167 insertions, 0 deletions
diff --git a/source/blender/draw/engines/gpencil/gpencil_shader_fx.c b/source/blender/draw/engines/gpencil/gpencil_shader_fx.c
index 9e04365fe1d..9513f83191e 100644
--- a/source/blender/draw/engines/gpencil/gpencil_shader_fx.c
+++ b/source/blender/draw/engines/gpencil/gpencil_shader_fx.c
@@ -50,6 +50,8 @@ extern char datatoc_gpencil_fx_rim_prepare_frag_glsl[];
extern char datatoc_gpencil_fx_rim_resolve_frag_glsl[];
extern char datatoc_gpencil_fx_shadow_prepare_frag_glsl[];
extern char datatoc_gpencil_fx_shadow_resolve_frag_glsl[];
+extern char datatoc_gpencil_fx_glow_prepare_frag_glsl[];
+extern char datatoc_gpencil_fx_glow_resolve_frag_glsl[];
extern char datatoc_gpencil_fx_swirl_frag_glsl[];
extern char datatoc_gpencil_fx_wave_frag_glsl[];
@@ -512,6 +514,67 @@ static void DRW_gpencil_fx_shadow(
fxd->runtime.fx_sh_c = fx_shgrp;
}
+/* Glow FX */
+static void DRW_gpencil_fx_glow(
+ ShaderFxData *fx, GPENCIL_e_data *e_data, GPENCIL_Data *vedata,
+ tGPencilObjectCache *cache)
+{
+ if (fx == NULL) {
+ return;
+ }
+ GlowShaderFxData *fxd = (GlowShaderFxData *)fx;
+
+ GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl;
+ GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl;
+ DRWShadingGroup *fx_shgrp;
+
+ struct GPUBatch *fxquad = DRW_cache_fullscreen_quad_get();
+ /* prepare pass */
+ fx_shgrp = DRW_shgroup_create(
+ e_data->gpencil_fx_glow_prepare_sh,
+ psl->fx_shader_pass_blend);
+ DRW_shgroup_call_add(fx_shgrp, fxquad, NULL);
+ DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &e_data->temp_color_tx_a);
+ DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &e_data->temp_depth_tx_a);
+
+ DRW_shgroup_uniform_vec3(fx_shgrp, "glow_color", &fxd->glow_color[0], 1);
+ DRW_shgroup_uniform_vec3(fx_shgrp, "select_color", &fxd->select_color[0], 1);
+ DRW_shgroup_uniform_int(fx_shgrp, "mode", &fxd->mode, 1);
+ DRW_shgroup_uniform_float(fx_shgrp, "threshold", &fxd->threshold, 1);
+
+ fxd->runtime.fx_sh = fx_shgrp;
+
+ /* blur pass */
+ fx_shgrp = DRW_shgroup_create(
+ e_data->gpencil_fx_blur_sh,
+ psl->fx_shader_pass_blend);
+ DRW_shgroup_call_add(fx_shgrp, fxquad, NULL);
+ DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &e_data->temp_color_tx_fx);
+ DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &e_data->temp_depth_tx_fx);
+ DRW_shgroup_uniform_int(fx_shgrp, "blur", &fxd->blur[0], 2);
+
+ DRW_shgroup_uniform_vec3(fx_shgrp, "loc", &cache->loc[0], 1);
+ DRW_shgroup_uniform_float(fx_shgrp, "pixsize", stl->storage->pixsize, 1);
+ DRW_shgroup_uniform_float(fx_shgrp, "pixfactor", &cache->pixfactor, 1);
+
+ fxd->runtime.fx_sh_b = fx_shgrp;
+
+ /* resolve pass */
+ fx_shgrp = DRW_shgroup_create(
+ e_data->gpencil_fx_glow_resolve_sh,
+ psl->fx_shader_pass_blend);
+ DRW_shgroup_call_add(fx_shgrp, fxquad, NULL);
+ DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &e_data->temp_color_tx_a);
+ DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &e_data->temp_depth_tx_a);
+ DRW_shgroup_uniform_texture_ref(fx_shgrp, "glowColor", &e_data->temp_color_tx_fx);
+ DRW_shgroup_uniform_texture_ref(fx_shgrp, "glowDepth", &e_data->temp_depth_tx_fx);
+
+ /* reuse field */
+ DRW_shgroup_uniform_int(fx_shgrp, "alpha_mode", &fxd->blur[1], 1);
+
+ fxd->runtime.fx_sh_c = fx_shgrp;
+}
+
/* Swirl FX */
static void DRW_gpencil_fx_swirl(
ShaderFxData *fx, GPENCIL_e_data *e_data, GPENCIL_Data *vedata,
@@ -617,6 +680,13 @@ void GPENCIL_create_fx_shaders(GPENCIL_e_data *e_data)
e_data->gpencil_fx_shadow_resolve_sh = DRW_shader_create_fullscreen(
datatoc_gpencil_fx_shadow_resolve_frag_glsl, NULL);
}
+ if (!e_data->gpencil_fx_glow_prepare_sh) {
+ e_data->gpencil_fx_glow_prepare_sh = DRW_shader_create_fullscreen(
+ datatoc_gpencil_fx_glow_prepare_frag_glsl, NULL);
+
+ e_data->gpencil_fx_glow_resolve_sh = DRW_shader_create_fullscreen(
+ datatoc_gpencil_fx_glow_resolve_frag_glsl, NULL);
+ }
if (!e_data->gpencil_fx_swirl_sh) {
e_data->gpencil_fx_swirl_sh = DRW_shader_create_fullscreen(
datatoc_gpencil_fx_swirl_frag_glsl, NULL);
@@ -639,6 +709,8 @@ void GPENCIL_delete_fx_shaders(GPENCIL_e_data *e_data)
DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_rim_resolve_sh);
DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_shadow_prepare_sh);
DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_shadow_resolve_sh);
+ DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_glow_prepare_sh);
+ DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_glow_resolve_sh);
DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_swirl_sh);
DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_wave_sh);
}
@@ -693,6 +765,9 @@ void DRW_gpencil_fx_prepare(
case eShaderFxType_Shadow:
DRW_gpencil_fx_shadow(fx, e_data, vedata, cache);
break;
+ case eShaderFxType_Glow:
+ DRW_gpencil_fx_glow(fx, e_data, vedata, cache);
+ break;
case eShaderFxType_Swirl:
DRW_gpencil_fx_swirl(fx, e_data, vedata, cache);
break;
@@ -947,6 +1022,92 @@ static void draw_gpencil_shadow_passes(
DRW_draw_pass(psl->mix_pass_noblend);
}
+/* blur glow */
+static void draw_gpencil_glow_blur(
+ struct GPENCIL_e_data *UNUSED(e_data),
+ struct GPENCIL_Data *vedata,
+ struct GlowShaderFxData *fxd)
+{
+ GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl;
+ GPENCIL_FramebufferList *fbl = ((GPENCIL_Data *)vedata)->fbl;
+ static float clearcol[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
+
+ GPU_framebuffer_bind(fbl->temp_fb_b);
+ GPU_framebuffer_clear_color_depth(fbl->temp_fb_b, clearcol, 1.0f);
+ DRW_draw_pass_subset(psl->fx_shader_pass_blend,
+ fxd->runtime.fx_sh_b, fxd->runtime.fx_sh_b);
+
+ /* copy pass from b for ping-pong frame buffers */
+ GPU_framebuffer_bind(fbl->temp_fb_fx);
+ GPU_framebuffer_clear_color_depth(fbl->temp_fb_fx, clearcol, 1.0f);
+ DRW_draw_pass(psl->mix_pass_noblend);
+}
+
+/* helper to draw GLOW passes */
+static void draw_gpencil_glow_passes(
+ struct GPENCIL_e_data *e_data,
+ struct GPENCIL_Data *vedata,
+ struct GlowShaderFxData *fxd)
+{
+ if (fxd->runtime.fx_sh_b == NULL) {
+ return;
+ }
+
+ GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl;
+ GPENCIL_FramebufferList *fbl = ((GPENCIL_Data *)vedata)->fbl;
+
+ static float clearcol[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
+ int bx = fxd->blur[0];
+ int by = fxd->blur[0];
+
+ /* prepare glow */
+ GPU_framebuffer_bind(fbl->temp_fb_fx);
+ GPU_framebuffer_clear_color_depth(fbl->temp_fb_fx, clearcol, 1.0f);
+ DRW_draw_pass_subset(
+ psl->fx_shader_pass_blend,
+ fxd->runtime.fx_sh, fxd->runtime.fx_sh);
+
+ /* blur glow */
+ e_data->input_depth_tx = e_data->temp_depth_tx_b;
+ e_data->input_color_tx = e_data->temp_color_tx_b;
+
+ if ((fxd->samples > 0) && ((bx > 0) || (by > 0))) {
+ for (int x = 0; x < fxd->samples; x++) {
+
+ /* horizontal */
+ fxd->blur[0] = bx;
+ fxd->blur[1] = 0;
+ draw_gpencil_glow_blur(e_data, vedata, fxd);
+
+ /* Vertical */
+ fxd->blur[0] = 0;
+ fxd->blur[1] = by;
+ draw_gpencil_glow_blur(e_data, vedata, fxd);
+
+ fxd->blur[0] = bx;
+ fxd->blur[1] = by;
+ }
+ }
+ /* resolve */
+ GPU_framebuffer_bind(fbl->temp_fb_b);
+ GPU_framebuffer_clear_color_depth(fbl->temp_fb_b, clearcol, 1.0f);
+
+ /* reuses blur field to keep alpha mode */
+ fxd->blur[1] = (fxd->flag & FX_GLOW_USE_ALPHA) ? 1 : 0;
+
+ DRW_draw_pass_subset(
+ psl->fx_shader_pass_blend,
+ fxd->runtime.fx_sh_c, fxd->runtime.fx_sh_c);
+
+ /* copy pass from b to a for ping-pong frame buffers */
+ e_data->input_depth_tx = e_data->temp_depth_tx_b;
+ e_data->input_color_tx = e_data->temp_color_tx_b;
+
+ GPU_framebuffer_bind(fbl->temp_fb_a);
+ GPU_framebuffer_clear_color_depth(fbl->temp_fb_a, clearcol, 1.0f);
+ DRW_draw_pass(psl->mix_pass_noblend);
+}
+
/* apply all object fx effects */
void DRW_gpencil_fx_draw(
struct GPENCIL_e_data *e_data,
@@ -1003,6 +1164,12 @@ void DRW_gpencil_fx_draw(
draw_gpencil_shadow_passes(e_data, vedata, fxd);
break;
}
+ case eShaderFxType_Glow:
+ {
+ GlowShaderFxData *fxd = (GlowShaderFxData *)fx;
+ draw_gpencil_glow_passes(e_data, vedata, fxd);
+ break;
+ }
case eShaderFxType_Swirl:
{
SwirlShaderFxData *fxd = (SwirlShaderFxData *)fx;
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-01 19:48:13 +0300