[Bf-blender-cvs] [b997914f80] blender2.8: OpenGL: remove NPOT texture rescaling logic

[Mike Erwin]

Commit: b997914f8074a8a715ddcf80f16e5b0ddd5549c6
Author: Mike Erwin
Date:   Tue Jan 31 02:52:43 2017 -0500
Branches: blender2.8
https://developer.blender.org/rBb997914f8074a8a715ddcf80f16e5b0ddd5549c6

OpenGL: remove NPOT texture rescaling logic

This code was already disabled.

We might be able to simplify GPU_check_scaled_image even further. Maybe even delete it? Just removing the obvious stuff now.

Keeping is_power_of_2_resolution function since it is still used in DXT logic.

===================================================================

M	source/blender/gpu/intern/gpu_draw.c

===================================================================

diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c
index c8d5d92b66..12a9ab87d5 100644
--- a/source/blender/gpu/intern/gpu_draw.c
+++ b/source/blender/gpu/intern/gpu_draw.c
@@ -38,8 +38,6 @@
 
 #include <string.h>
 
-#include "GPU_glew.h"
-
 #include "BLI_blenlib.h"
 #include "BLI_linklist.h"
 #include "BLI_math.h"
@@ -853,32 +851,6 @@ void GPU_create_gl_tex(
 	int tpx = rectw;
 	int tpy = recth;
 
-#if 0 /* NPOT support should be a compile-time check */
-	/* scale if not a power of two. this is not strictly necessary for newer
-	 * GPUs (OpenGL version >= 2.0) since they support non-power-of-two-textures 
-	 * Then don't bother scaling for hardware that supports NPOT textures! */
-	if (textarget == GL_TEXTURE_2D &&
-	    ((!GPU_full_non_power_of_two_support() && !is_power_of_2_resolution(rectw, recth)) ||
-	     is_over_resolution_limit(textarget, rectw, recth)))
-	{
-		rectw = smaller_power_of_2_limit(rectw);
-		recth = smaller_power_of_2_limit(recth);
-
-		if (use_high_bit_depth) {
-			ibuf = IMB_allocFromBuffer(NULL, frect, tpx, tpy);
-			IMB_scaleImBuf(ibuf, rectw, recth);
-
-			frect = ibuf->rect_float;
-		}
-		else {
-			ibuf = IMB_allocFromBuffer(rect, NULL, tpx, tpy);
-			IMB_scaleImBuf(ibuf, rectw, recth);
-
-			rect = ibuf->rect;
-		}
-	}
-#endif
-
 	/* create image */
 	glGenTextures(1, (GLuint *)bind);
 	glBindTexture(textarget, *bind);
@@ -1203,13 +1175,7 @@ void GPU_paint_set_mipmap(bool mipmap)
 /* check if image has been downscaled and do scaled partial update */
 static bool GPU_check_scaled_image(ImBuf *ibuf, Image *ima, float *frect, int x, int y, int w, int h)
 {
-#if 0 /* NPOT suport should be a compile-time check */
-	if ((!GPU_full_non_power_of_two_support() && !is_power_of_2_resolution(ibuf->x, ibuf->y)) ||
-	    is_over_resolution_limit(GL_TEXTURE_2D, ibuf->x, ibuf->y))
-#else
-	if (is_over_resolution_limit(GL_TEXTURE_2D, ibuf->x, ibuf->y))
-#endif
-	{
+	if (is_over_resolution_limit(GL_TEXTURE_2D, ibuf->x, ibuf->y)) {
 		int x_limit = smaller_power_of_2_limit(ibuf->x);
 		int y_limit = smaller_power_of_2_limit(ibuf->y);