Use mesh draw cache for back-buffer selection

Vertex/weight paint now work with core profile, resolves T51380.

1 files changed, 17 insertions, 0 deletions

diff --git a/source/blender/gpu/shaders/gpu_shader_3D_flat_color_vert.glsl b/source/blender/gpu/shaders/gpu_shader_3D_flat_color_vert.glsl
index 8c241cff5d4..f65fbe2a2e2 100644
--- a/source/blender/gpu/shaders/gpu_shader_3D_flat_color_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_3D_flat_color_vert.glsl
@@ -3,12 +3,20 @@ uniform mat4 ModelViewProjectionMatrix;
 
 #if __VERSION__ == 120
   attribute vec3 pos;
+#if defined(USE_COLOR_U32)
+  attribute int color;
+#else
   attribute vec4 color;
+#endif
 
   flat varying vec4 finalColor;
 #else
   in vec3 pos;
+#if defined(USE_COLOR_U32)
+  in int color;
+#else
   in vec4 color;
+#endif
 
   flat out vec4 finalColor;
 #endif
@@ -16,5 +24,14 @@ uniform mat4 ModelViewProjectionMatrix;
 void main()
 {
 	gl_Position = ModelViewProjectionMatrix * vec4(pos, 1.0);
+
+#if defined(USE_COLOR_U32)
+	finalColor = vec4(
+		((color      ) & 0xFF) * (1.0f / 255.0f),
+		((color >>  8) & 0xFF) * (1.0f / 255.0f),
+		((color >> 16) & 0xFF) * (1.0f / 255.0f),
+		((color >> 24)       ) * (1.0f / 255.0f));
+#else
 	finalColor = color;
+#endif
 }