Fix T74220 Mantaflow Color Mapping not ignoring alpha value

And also remove some sRGB hack.

1 files changed, 2 insertions, 1 deletions

diff --git a/source/blender/gpu/intern/gpu_draw_smoke.c b/source/blender/gpu/intern/gpu_draw_smoke.c
index 80c59ed47c9..67947df0ff7 100644
--- a/source/blender/gpu/intern/gpu_draw_smoke.c
+++ b/source/blender/gpu/intern/gpu_draw_smoke.c
@@ -99,6 +99,7 @@ static void create_color_ramp(const struct ColorBand *coba, float *data)
 {
   for (int i = 0; i < TFUNC_WIDTH; i++) {
     BKE_colorband_evaluate(coba, (float)i / TFUNC_WIDTH, &data[i * 4]);
+    straight_to_premul_v4(&data[i * 4]);
   }
 }
 
@@ -115,7 +116,7 @@ static GPUTexture *create_transfer_function(int type, const struct ColorBand *co
       break;
   }
 
-  GPUTexture *tex = GPU_texture_create_1d(TFUNC_WIDTH, GPU_RGBA8, data, NULL);
+  GPUTexture *tex = GPU_texture_create_1d(TFUNC_WIDTH, GPU_SRGB8_A8, data, NULL);
 
   MEM_freeN(data);