Import functionality for new GL backend
Brings in the following functionality:
ARB_draw_instanced
ARB_instanced_arrays
NV_bindless_texture
EXT_direct_state_access
KHR_debug
Also cleans up some of the NVPR extension loading.
BUG=skia:
Committed: https://skia.googlesource.com/skia/+/202c4c75fb806f751cf796850bf67fe9793e0643
Review URL: https://codereview.chromium.org/1185573003
diff --git a/src/gpu/gl/GrGLDefines.h b/src/gpu/gl/GrGLDefines.h
index c08c582..cc588b9 100644
--- a/src/gpu/gl/GrGLDefines.h
+++ b/src/gpu/gl/GrGLDefines.h
@@ -889,4 +889,43 @@
#define GR_GL_MULTISAMPLE_RASTERIZATION_ALLOWED 0x932B
#define GR_GL_EFFECTIVE_RASTER_SAMPLES 0x932C
+/* GL_KHR_debug */
+#define GR_GL_DEBUG_OUTPUT 0x92E0
+#define GR_GL_DEBUG_OUTPUT_SYNCHRONOUS 0x8242
+#define GR_GL_CONTEXT_FLAG_DEBUG_BIT 0x00000002
+#define GR_GL_MAX_DEBUG_MESSAGE_LENGTH 0x9143
+#define GR_GL_MAX_DEBUG_LOGGED_MESSAGES 0x9144
+#define GR_GL_DEBUG_LOGGED_MESSAGES 0x9145
+#define GR_GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH 0x8243
+#define GR_GL_MAX_DEBUG_GROUP_STACK_DEPTH 0x826C
+#define GR_GL_DEBUG_GROUP_STACK_DEPTH 0x826D
+#define GR_GL_MAX_LABEL_LENGTH 0x82E8
+#define GR_GL_DEBUG_SOURCE_API 0x8246
+#define GR_GL_DEBUG_SOURCE_WINDOW_SYSTEM 0x8247
+#define GR_GL_DEBUG_SOURCE_SHADER_COMPILER 0x8248
+#define GR_GL_DEBUG_SOURCE_THIRD_PARTY 0x8249
+#define GR_GL_DEBUG_SOURCE_APPLICATION 0x824A
+#define GR_GL_DEBUG_SOURCE_OTHER 0x824B
+#define GR_GL_DEBUG_TYPE_ERROR 0x824C
+#define GR_GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR 0x824D
+#define GR_GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR 0x824E
+#define GR_GL_DEBUG_TYPE_PORTABILITY 0x824F
+#define GR_GL_DEBUG_TYPE_PERFORMANCE 0x8250
+#define GR_GL_DEBUG_TYPE_OTHER 0x8251
+#define GR_GL_DEBUG_TYPE_MARKER 0x8268
+#define GR_GL_DEBUG_TYPE_PUSH_GROUP 0x8269
+#define GR_GL_DEBUG_TYPE_POP_GROUP 0x826A
+#define GR_GL_DEBUG_SEVERITY_HIGH 0x9146
+#define GR_GL_DEBUG_SEVERITY_MEDIUM 0x9147
+#define GR_GL_DEBUG_SEVERITY_LOW 0x9148
+#define GR_GL_DEBUG_SEVERITY_NOTIFICATION 0x826B
+#define GR_GL_STACK_UNDERFLOW 0x0504
+#define GR_GL_STACK_OVERFLOW 0x0503
+#define GR_GL_BUFFER 0x82E0
+#define GR_GL_SHADER 0x82E1
+#define GR_GL_PROGRAM 0x82E2
+#define GR_GL_QUERY 0x82E3
+#define GR_GL_PROGRAM_PIPELINE 0x82E4
+#define GR_GL_SAMPLER 0x82E6
+
#endif