[Bf-blender-cvs] [51278bab5de] blender2.8: remove GPU_legacy_support query

[Mike Erwin]

Commit: 51278bab5ded412fa1a38c2564cc3fda71e3129b
Author: Mike Erwin
Date:   Thu May 18 16:58:33 2017 -0400
Branches: blender2.8
https://developer.blender.org/rB51278bab5ded412fa1a38c2564cc3fda71e3129b

remove GPU_legacy_support query

In the move to OpenGL 3.3 core profile, we drop support for compatibility profile and older versions.

OpenSubdiv was the only user; I'll update OSD next.

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

M	source/blender/blenkernel/intern/CCGSubSurf_opensubdiv.c
M	source/blender/gpu/GPU_extensions.h
M	source/blender/gpu/intern/gpu_extensions.c

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

diff --git a/source/blender/blenkernel/intern/CCGSubSurf_opensubdiv.c b/source/blender/blenkernel/intern/CCGSubSurf_opensubdiv.c
index d18a461add5..ab89a920089 100644
--- a/source/blender/blenkernel/intern/CCGSubSurf_opensubdiv.c
+++ b/source/blender/blenkernel/intern/CCGSubSurf_opensubdiv.c
@@ -993,7 +993,7 @@ void ccgSubSurf__sync_subdivUvs(CCGSubSurf *ss, bool subdiv_uvs)
 
 void BKE_subsurf_osd_init(void)
 {
-	openSubdiv_init(GPU_legacy_support());
+	openSubdiv_init(false);
 	BLI_spin_init(&delete_spin);
 }
 
diff --git a/source/blender/gpu/GPU_extensions.h b/source/blender/gpu/GPU_extensions.h
index 4f14474bb5f..d36b0ea15be 100644
--- a/source/blender/gpu/GPU_extensions.h
+++ b/source/blender/gpu/GPU_extensions.h
@@ -38,7 +38,6 @@ extern "C" {
 
 /* GPU extensions support */
 
-bool GPU_legacy_support(void);
 bool GPU_full_non_power_of_two_support(void);
 bool GPU_bicubic_bump_support(void);
 
diff --git a/source/blender/gpu/intern/gpu_extensions.c b/source/blender/gpu/intern/gpu_extensions.c
index 2a2e73c6ba8..fb6c2ef9b6e 100644
--- a/source/blender/gpu/intern/gpu_extensions.c
+++ b/source/blender/gpu/intern/gpu_extensions.c
@@ -266,49 +266,6 @@ void gpu_extensions_exit(void)
 	GPU_invalid_tex_free();
 }
 
-bool GPU_legacy_support(void)
-{
-#ifdef WITH_LEGACY_OPENGL 
-	/* return whether or not current GL context is compatible with legacy OpenGL */
-	/* (will be removed after switching to core profile) */
-
-	static bool checked = false;
-	static bool support = true;
-
-	if (!checked) {
-		if (GLEW_VERSION_3_2) {
-			GLint profile;
-			glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &profile);
-
-			if (G.debug & G_DEBUG_GPU) {
-				printf("GL_CONTEXT_PROFILE_MASK = %#x (%s profile)\n", (unsigned int)profile,
-				       (profile & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT) ? "compatibility" :
-				       (profile & GL_CONTEXT_CORE_PROFILE_BIT) ? "core" : "unknown");
-			}
-
-			if (profile == 0) {
-				/* workaround for nVidia's Linux driver */
-				support = GLEW_ARB_compatibility;
-			}
-			else {
-				support = profile & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT;
-			}
-		}
-		else if (GLEW_VERSION_3_1) {
-			support = GLEW_ARB_compatibility;
-		}
-
-		/* any OpenGL version <= 3.0 is legacy, so support remains true */
-
-		checked = true;
-	}
-
-	return support;
-#else
-	return false;
-#endif
-}
-
 bool GPU_full_non_power_of_two_support(void)
 {
 	/* always supported on full GL but still relevant for OpenGL ES 2.0 where