gawain/immediate mode: new util functions for color uniforms

source/blender/gpu/CMakeLists.txt

@@ -32,6 +32,8 @@ set(INC
 	../makesdna
 	../makesrna
 
+	../editors/include
+
 	# For node muting stuff...
 	../nodes
 	../nodes/intern

source/blender/gpu/GPU_immediate.h

@@ -37,3 +37,9 @@
 /* Extend immBindProgram to use Blender’s library of built-in shader programs.
  * Use immUnbindProgram() when done. */
 void immBindBuiltinProgram(GPUBuiltinShader);
+
+/*
+ * Extend immUniformColor to take Blender's themes
+ */
+void immUniformThemeColor(int colorid);
+void immUniformThemeColorShade(int colorid, int offset);

source/blender/gpu/intern/gpu_immediate.c

@@ -27,6 +27,8 @@
 
 #include "GPU_immediate.h"
 #include "GPU_matrix.h"
+#include "UI_resources.h"
+
 #include "gpu_shader_private.h"
 
 void immBindBuiltinProgram(GPUBuiltinShader shader_id)
@@ -35,3 +37,17 @@ void immBindBuiltinProgram(GPUBuiltinShader shader_id)
 	immBindProgram(shader->program);
 	gpuBindMatrices(shader->program);
 }
+
+void immUniformThemeColor(int colorid)
+{
+	float color[4];
+	UI_GetThemeColor4fv(colorid, color);
+	immUniformColor4fv(color);
+}
+
+void immUniformThemeColorShade(int colorid, int offset)
+{
+	float color[4];
+	UI_GetThemeColorShade4fv(colorid, offset, color);
+	immUniformColor4fv(color);
+}