GWN: Port to GPU module: Move files to GPU

This does not include all the struct and type renaming. Only files were
renamed.

gwn_batch.c/h was fusioned with GPU_batch.c/h
gwn_immediate.c/h was fusioned with GPU_immediate.c/h
gwn_imm_util.c/h was fusioned with GPU_immediate_util.c/h

1 files changed, 69 insertions, 1 deletions

diff --git a/source/blender/gpu/intern/gpu_immediate_util.c b/source/blender/gpu/intern/gpu_immediate_util.c
index 30672af9c02..4b2fb1b8e8a 100644
--- a/source/blender/gpu/intern/gpu_immediate_util.c
+++ b/source/blender/gpu/intern/gpu_immediate_util.c
@@ -18,8 +18,10 @@
  * ***** END GPL LICENSE BLOCK *****
  */
 
-/** \file source/blender/gpu/intern/gpu_immediate_util.c
+/** \file blender/gpu/intern/gwn_imm_util.c
  *  \ingroup gpu
+ *
+ * Gawain immediate mode drawing utilities
  */
 
 #include <stdio.h>
@@ -66,6 +68,72 @@ static const int cube_line_index[12][2] = {
 	{6, 7},
 };
 
+void immRectf(uint pos, float x1, float y1, float x2, float y2)
+{
+	immBegin(GWN_PRIM_TRI_FAN, 4);
+	immVertex2f(pos, x1, y1);
+	immVertex2f(pos, x2, y1);
+	immVertex2f(pos, x2, y2);
+	immVertex2f(pos, x1, y2);
+	immEnd();
+}
+
+void immRecti(uint pos, int x1, int y1, int x2, int y2)
+{
+	immBegin(GWN_PRIM_TRI_FAN, 4);
+	immVertex2i(pos, x1, y1);
+	immVertex2i(pos, x2, y1);
+	immVertex2i(pos, x2, y2);
+	immVertex2i(pos, x1, y2);
+	immEnd();
+}
+
+void immRectf_fast_with_color(uint pos, uint col, float x1, float y1, float x2, float y2, const float color[4])
+{
+	immAttrib4fv(col, color);
+	immVertex2f(pos, x1, y1);
+	immAttrib4fv(col, color);
+	immVertex2f(pos, x2, y1);
+	immAttrib4fv(col, color);
+	immVertex2f(pos, x2, y2);
+
+	immAttrib4fv(col, color);
+	immVertex2f(pos, x1, y1);
+	immAttrib4fv(col, color);
+	immVertex2f(pos, x2, y2);
+	immAttrib4fv(col, color);
+	immVertex2f(pos, x1, y2);
+}
+
+void immRecti_fast_with_color(uint pos, uint col, int x1, int y1, int x2, int y2, const float color[4])
+{
+	immAttrib4fv(col, color);
+	immVertex2i(pos, x1, y1);
+	immAttrib4fv(col, color);
+	immVertex2i(pos, x2, y1);
+	immAttrib4fv(col, color);
+	immVertex2i(pos, x2, y2);
+
+	immAttrib4fv(col, color);
+	immVertex2i(pos, x1, y1);
+	immAttrib4fv(col, color);
+	immVertex2i(pos, x2, y2);
+	immAttrib4fv(col, color);
+	immVertex2i(pos, x1, y2);
+}
+
+#if 0 /* more complete version in case we want that */
+void immRecti_complete(int x1, int y1, int x2, int y2, const float color[4])
+{
+	Gwn_VertFormat *format = immVertexFormat();
+	uint pos = add_attrib(format, "pos", GWN_COMP_I32, 2, GWN_FETCH_INT_TO_FLOAT);
+	immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
+	immUniformColor4fv(color);
+	immRecti(pos, x1, y1, x2, y2);
+	immUnbindProgram();
+}
+#endif
+
 /**
  * Pack color into 3 bytes
  *