Add GL_ARB_framebuffer_object extension support check and GL_EXT_framebuffer_object fallback for GLES2 (updated GLAD bindings).

Add GL_ARB_debug_output extension support check on all platforms.

1 files changed, 45 insertions, 4 deletions

diff --git a/thirdparty/glad/glad.c b/thirdparty/glad/glad.c
index ee66d50ff1..c2aaea2144 100644
--- a/thirdparty/glad/glad.c
+++ b/thirdparty/glad/glad.c
@@ -1,6 +1,6 @@
 /*
 
-    OpenGL loader generated by glad 0.1.18a0 on Fri Mar  2 11:26:24 2018.
+    OpenGL loader generated by glad 0.1.18a0 on Mon Mar  5 18:43:52 2018.
 
     Language/Generator: C/C++
     Specification: gl
@@ -8,15 +8,16 @@
     Profile: compatibility
     Extensions:
         GL_ARB_debug_output,
-        GL_ARB_framebuffer_object
+        GL_ARB_framebuffer_object,
+        GL_EXT_framebuffer_object
     Loader: True
     Local files: False
     Omit khrplatform: False
 
     Commandline:
-        --profile="compatibility" --api="gl=3.3" --generator="c" --spec="gl" --extensions="GL_ARB_debug_output,GL_ARB_framebuffer_object"
+        --profile="compatibility" --api="gl=3.3" --generator="c" --spec="gl" --extensions="GL_ARB_debug_output,GL_ARB_framebuffer_object,GL_EXT_framebuffer_object"
     Online:
-        http://glad.dav1d.de/#profile=compatibility&language=c&specification=gl&loader=on&api=gl%3D3.3&extensions=GL_ARB_debug_output&extensions=GL_ARB_framebuffer_object
+        http://glad.dav1d.de/#profile=compatibility&language=c&specification=gl&loader=on&api=gl%3D3.3&extensions=GL_ARB_debug_output&extensions=GL_ARB_framebuffer_object&extensions=GL_EXT_framebuffer_object
 */
 
 #include <stdio.h>
@@ -973,11 +974,29 @@ PFNGLFRONTFACEPROC glad_glFrontFace;
 PFNGLGETBOOLEANI_VPROC glad_glGetBooleani_v;
 PFNGLCLEARBUFFERUIVPROC glad_glClearBufferuiv;
 int GLAD_GL_ARB_framebuffer_object;
+int GLAD_GL_EXT_framebuffer_object;
 int GLAD_GL_ARB_debug_output;
 PFNGLDEBUGMESSAGECONTROLARBPROC glad_glDebugMessageControlARB;
 PFNGLDEBUGMESSAGEINSERTARBPROC glad_glDebugMessageInsertARB;
 PFNGLDEBUGMESSAGECALLBACKARBPROC glad_glDebugMessageCallbackARB;
 PFNGLGETDEBUGMESSAGELOGARBPROC glad_glGetDebugMessageLogARB;
+PFNGLISRENDERBUFFEREXTPROC glad_glIsRenderbufferEXT;
+PFNGLBINDRENDERBUFFEREXTPROC glad_glBindRenderbufferEXT;
+PFNGLDELETERENDERBUFFERSEXTPROC glad_glDeleteRenderbuffersEXT;
+PFNGLGENRENDERBUFFERSEXTPROC glad_glGenRenderbuffersEXT;
+PFNGLRENDERBUFFERSTORAGEEXTPROC glad_glRenderbufferStorageEXT;
+PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glad_glGetRenderbufferParameterivEXT;
+PFNGLISFRAMEBUFFEREXTPROC glad_glIsFramebufferEXT;
+PFNGLBINDFRAMEBUFFEREXTPROC glad_glBindFramebufferEXT;
+PFNGLDELETEFRAMEBUFFERSEXTPROC glad_glDeleteFramebuffersEXT;
+PFNGLGENFRAMEBUFFERSEXTPROC glad_glGenFramebuffersEXT;
+PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glad_glCheckFramebufferStatusEXT;
+PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glad_glFramebufferTexture1DEXT;
+PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glad_glFramebufferTexture2DEXT;
+PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glad_glFramebufferTexture3DEXT;
+PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glad_glFramebufferRenderbufferEXT;
+PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glad_glGetFramebufferAttachmentParameterivEXT;
+PFNGLGENERATEMIPMAPEXTPROC glad_glGenerateMipmapEXT;
 static void load_GL_VERSION_1_0(GLADloadproc load) {
 	if(!GLAD_GL_VERSION_1_0) return;
 	glad_glCullFace = (PFNGLCULLFACEPROC)load("glCullFace");
@@ -1771,10 +1790,31 @@ static void load_GL_ARB_framebuffer_object(GLADloadproc load) {
 	glad_glRenderbufferStorageMultisample = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC)load("glRenderbufferStorageMultisample");
 	glad_glFramebufferTextureLayer = (PFNGLFRAMEBUFFERTEXTURELAYERPROC)load("glFramebufferTextureLayer");
 }
+static void load_GL_EXT_framebuffer_object(GLADloadproc load) {
+	if(!GLAD_GL_EXT_framebuffer_object) return;
+	glad_glIsRenderbufferEXT = (PFNGLISRENDERBUFFEREXTPROC)load("glIsRenderbufferEXT");
+	glad_glBindRenderbufferEXT = (PFNGLBINDRENDERBUFFEREXTPROC)load("glBindRenderbufferEXT");
+	glad_glDeleteRenderbuffersEXT = (PFNGLDELETERENDERBUFFERSEXTPROC)load("glDeleteRenderbuffersEXT");
+	glad_glGenRenderbuffersEXT = (PFNGLGENRENDERBUFFERSEXTPROC)load("glGenRenderbuffersEXT");
+	glad_glRenderbufferStorageEXT = (PFNGLRENDERBUFFERSTORAGEEXTPROC)load("glRenderbufferStorageEXT");
+	glad_glGetRenderbufferParameterivEXT = (PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC)load("glGetRenderbufferParameterivEXT");
+	glad_glIsFramebufferEXT = (PFNGLISFRAMEBUFFEREXTPROC)load("glIsFramebufferEXT");
+	glad_glBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC)load("glBindFramebufferEXT");
+	glad_glDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC)load("glDeleteFramebuffersEXT");
+	glad_glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC)load("glGenFramebuffersEXT");
+	glad_glCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC)load("glCheckFramebufferStatusEXT");
+	glad_glFramebufferTexture1DEXT = (PFNGLFRAMEBUFFERTEXTURE1DEXTPROC)load("glFramebufferTexture1DEXT");
+	glad_glFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC)load("glFramebufferTexture2DEXT");
+	glad_glFramebufferTexture3DEXT = (PFNGLFRAMEBUFFERTEXTURE3DEXTPROC)load("glFramebufferTexture3DEXT");
+	glad_glFramebufferRenderbufferEXT = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC)load("glFramebufferRenderbufferEXT");
+	glad_glGetFramebufferAttachmentParameterivEXT = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC)load("glGetFramebufferAttachmentParameterivEXT");
+	glad_glGenerateMipmapEXT = (PFNGLGENERATEMIPMAPEXTPROC)load("glGenerateMipmapEXT");
+}
 static int find_extensionsGL(void) {
 	if (!get_exts()) return 0;
 	GLAD_GL_ARB_debug_output = has_ext("GL_ARB_debug_output");
 	GLAD_GL_ARB_framebuffer_object = has_ext("GL_ARB_framebuffer_object");
+	GLAD_GL_EXT_framebuffer_object = has_ext("GL_EXT_framebuffer_object");
 	free_exts();
 	return 1;
 }
@@ -1855,6 +1895,7 @@ int gladLoadGLLoader(GLADloadproc load) {
 	if (!find_extensionsGL()) return 0;
 	load_GL_ARB_debug_output(load);
 	load_GL_ARB_framebuffer_object(load);
+	load_GL_EXT_framebuffer_object(load);
 	return GLVersion.major != 0 || GLVersion.minor != 0;
 }