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Update glad loader 

- Add requested version parameter
- Use custom loading for GL 2.0 FO extensions
- Use GLES loader when we request GLES
This commit is contained in:
Adrian Graber 2021-02-17 02:27:06 +01:00
parent 767ee0eac3
commit d341d73f80
3 changed files with 64 additions and 12 deletions
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4
src/gl/gl3device.cpp
View File

@ -1571,7 +1571,7 @@ startSDL2(void)
}
ctx = SDL_GL_CreateContext(win);
if (!gladLoadGLLoader((GLADloadproc) SDL_GL_GetProcAddress)){
if (!((gl3Caps.gles ? gladLoadGLES2Loader : gladLoadGLLoader) ((GLADloadproc) SDL_GL_GetProcAddress, gl3Caps.glversion)) ) {
RWERROR((ERR_GENERAL, "gladLoadGLLoader failed"));
SDL_GL_DeleteContext(ctx);
SDL_DestroyWindow(win);
@ -1734,7 +1734,7 @@ startGLFW(void)
glfwMakeContextCurrent(win);
/* Init GLAD */
if(!gladLoadGLLoader((GLADloadproc) glfwGetProcAddress)) {
if (!((gl3Caps.gles ? gladLoadGLES2Loader : gladLoadGLLoader) ((GLADloadproc) glfwGetProcAddress, gl3Caps.glversion)) ) {
RWERROR((ERR_GENERAL, "gladLoadGLLoader failed"));
glfwDestroyWindow(win);
return 0;

57
src/gl/glad/glad.c
View File

@ -1,12 +1,13 @@
/*
OpenGL, OpenGL ES loader generated by glad 0.1.34 on Sun Jan 31 12:38:28 2021.
OpenGL, OpenGL ES loader generated by glad 0.1.34 on Wed Feb 17 01:38:43 2021.
Language/Generator: C/C++
Specification: gl
APIs: gl=3.3, gles2=3.1
Profile: core
Extensions:
GL_EXT_framebuffer_object,
GL_EXT_texture_compression_s3tc,
GL_EXT_texture_filter_anisotropic,
GL_KHR_texture_compression_astc_ldr
@ -16,9 +17,9 @@
Reproducible: False
Commandline:
--profile="core" --api="gl=3.3,gles2=3.1" --generator="c" --spec="gl" --no-loader --extensions="GL_EXT_texture_compression_s3tc,GL_EXT_texture_filter_anisotropic,GL_KHR_texture_compression_astc_ldr"
--profile="core" --api="gl=3.3,gles2=3.1" --generator="c" --spec="gl" --no-loader --extensions="GL_EXT_framebuffer_object,GL_EXT_texture_compression_s3tc,GL_EXT_texture_filter_anisotropic,GL_KHR_texture_compression_astc_ldr"
Online:
https://glad.dav1d.de/#profile=core&language=c&specification=gl&api=gl%3D3.3&api=gles2%3D3.1&extensions=GL_EXT_texture_compression_s3tc&extensions=GL_EXT_texture_filter_anisotropic&extensions=GL_KHR_texture_compression_astc_ldr
https://glad.dav1d.de/#profile=core&language=c&specification=gl&api=gl%3D3.3&api=gles2%3D3.1&extensions=GL_EXT_framebuffer_object&extensions=GL_EXT_texture_compression_s3tc&extensions=GL_EXT_texture_filter_anisotropic&extensions=GL_KHR_texture_compression_astc_ldr
*/
#include <stdio.h>
@ -28,6 +29,9 @@
struct gladGLversionStruct GLVersion = { 0, 0 };
static int requested_major_version;
static int requested_minor_version;
#if defined(GL_ES_VERSION_3_0) || defined(GL_VERSION_3_0)
#define _GLAD_IS_SOME_NEW_VERSION 1
#endif
@ -596,6 +600,7 @@ PFNGLVERTEXP4UIPROC glad_glVertexP4ui = NULL;
PFNGLVERTEXP4UIVPROC glad_glVertexP4uiv = NULL;
PFNGLVIEWPORTPROC glad_glViewport = NULL;
PFNGLWAITSYNCPROC glad_glWaitSync = NULL;
int GLAD_GL_EXT_framebuffer_object = 0;
int GLAD_GL_EXT_texture_compression_s3tc = 0;
int GLAD_GL_EXT_texture_filter_anisotropic = 0;
int GLAD_GL_KHR_texture_compression_astc_ldr = 0;
@ -1012,8 +1017,29 @@ static void load_GL_VERSION_3_3(GLADloadproc load) {
glad_glSecondaryColorP3ui = (PFNGLSECONDARYCOLORP3UIPROC)load("glSecondaryColorP3ui");
glad_glSecondaryColorP3uiv = (PFNGLSECONDARYCOLORP3UIVPROC)load("glSecondaryColorP3uiv");
}
static void load_GL_EXT_framebuffer_object(GLADloadproc load) {
if(!GLAD_GL_EXT_framebuffer_object || GLAD_GL_VERSION_3_0) return;
glad_glIsRenderbuffer = (PFNGLISRENDERBUFFERPROC)load("glIsRenderbufferEXT");
glad_glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)load("glBindRenderbufferEXT");
glad_glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)load("glDeleteRenderbuffersEXT");
glad_glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC)load("glGenRenderbuffersEXT");
glad_glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC)load("glRenderbufferStorageEXT");
glad_glGetRenderbufferParameteriv = (PFNGLGETRENDERBUFFERPARAMETERIVPROC)load("glGetRenderbufferParameterivEXT");
glad_glIsFramebuffer = (PFNGLISFRAMEBUFFERPROC)load("glIsFramebufferEXT");
glad_glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)load("glBindFramebufferEXT");
glad_glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)load("glDeleteFramebuffersEXT");
glad_glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)load("glGenFramebuffersEXT");
glad_glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)load("glCheckFramebufferStatusEXT");
glad_glFramebufferTexture1D = (PFNGLFRAMEBUFFERTEXTURE1DPROC)load("glFramebufferTexture1DEXT");
glad_glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)load("glFramebufferTexture2DEXT");
glad_glFramebufferTexture3D = (PFNGLFRAMEBUFFERTEXTURE3DPROC)load("glFramebufferTexture3DEXT");
glad_glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)load("glFramebufferRenderbufferEXT");
glad_glGetFramebufferAttachmentParameteriv = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)load("glGetFramebufferAttachmentParameterivEXT");
glad_glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC)load("glGenerateMipmapEXT");
}
static int find_extensionsGL(void) {
if (!get_exts()) return 0;
GLAD_GL_EXT_framebuffer_object = has_ext("GL_EXT_framebuffer_object");
GLAD_GL_EXT_texture_compression_s3tc = has_ext("GL_EXT_texture_compression_s3tc");
GLAD_GL_EXT_texture_filter_anisotropic = has_ext("GL_EXT_texture_filter_anisotropic");
GLAD_GL_KHR_texture_compression_astc_ldr = has_ext("GL_KHR_texture_compression_astc_ldr");
@ -1055,6 +1081,14 @@ static void find_coreGL(void) {
sscanf(version, "%d.%d", &major, &minor);
#endif
if(major > requested_major_version) {
major = requested_major_version;
}
if(major == requested_major_version && minor > requested_minor_version) {
minor = requested_minor_version;
}
GLVersion.major = major; GLVersion.minor = minor;
max_loaded_major = major; max_loaded_minor = minor;
GLAD_GL_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1;
@ -1075,7 +1109,9 @@ static void find_coreGL(void) {
}
}
int gladLoadGLLoader(GLADloadproc load) {
int gladLoadGLLoader(GLADloadproc load, int requestedVersion) {
requested_major_version = requestedVersion / 10;
requested_minor_version = requestedVersion % 10;
GLVersion.major = 0; GLVersion.minor = 0;
glGetString = (PFNGLGETSTRINGPROC)load("glGetString");
if(glGetString == NULL) return 0;
@ -1095,6 +1131,7 @@ int gladLoadGLLoader(GLADloadproc load) {
load_GL_VERSION_3_3(load);
if (!find_extensionsGL()) return 0;
load_GL_EXT_framebuffer_object(load);
return GLVersion.major != 0 || GLVersion.minor != 0;
}
@ -1464,6 +1501,14 @@ static void find_coreGLES2(void) {
sscanf(version, "%d.%d", &major, &minor);
#endif
if(major > requested_major_version) {
major = requested_major_version;
}
if(major == requested_major_version && minor > requested_minor_version) {
minor = requested_minor_version;
}
GLVersion.major = major; GLVersion.minor = minor;
max_loaded_major = major; max_loaded_minor = minor;
GLAD_GL_ES_VERSION_2_0 = (major == 2 && minor >= 0) || major > 2;
@ -1475,7 +1520,9 @@ static void find_coreGLES2(void) {
}
}
int gladLoadGLES2Loader(GLADloadproc load) {
int gladLoadGLES2Loader(GLADloadproc load, int requestedVersion) {
requested_major_version = requestedVersion / 10;
requested_minor_version = requestedVersion % 10;
GLVersion.major = 0; GLVersion.minor = 0;
glGetString = (PFNGLGETSTRINGPROC)load("glGetString");
if(glGetString == NULL) return 0;

15
src/gl/glad/glad.h
View File

@ -1,12 +1,13 @@
/*
OpenGL, OpenGL ES loader generated by glad 0.1.34 on Sun Jan 31 12:38:28 2021.
OpenGL, OpenGL ES loader generated by glad 0.1.34 on Wed Feb 17 01:38:43 2021.
Language/Generator: C/C++
Specification: gl
APIs: gl=3.3, gles2=3.1
Profile: core
Extensions:
GL_EXT_framebuffer_object,
GL_EXT_texture_compression_s3tc,
GL_EXT_texture_filter_anisotropic,
GL_KHR_texture_compression_astc_ldr
@ -16,9 +17,9 @@
Reproducible: False
Commandline:
--profile="core" --api="gl=3.3,gles2=3.1" --generator="c" --spec="gl" --no-loader --extensions="GL_EXT_texture_compression_s3tc,GL_EXT_texture_filter_anisotropic,GL_KHR_texture_compression_astc_ldr"
--profile="core" --api="gl=3.3,gles2=3.1" --generator="c" --spec="gl" --no-loader --extensions="GL_EXT_framebuffer_object,GL_EXT_texture_compression_s3tc,GL_EXT_texture_filter_anisotropic,GL_KHR_texture_compression_astc_ldr"
Online:
https://glad.dav1d.de/#profile=core&language=c&specification=gl&api=gl%3D3.3&api=gles2%3D3.1&extensions=GL_EXT_texture_compression_s3tc&extensions=GL_EXT_texture_filter_anisotropic&extensions=GL_KHR_texture_compression_astc_ldr
https://glad.dav1d.de/#profile=core&language=c&specification=gl&api=gl%3D3.3&api=gles2%3D3.1&extensions=GL_EXT_framebuffer_object&extensions=GL_EXT_texture_compression_s3tc&extensions=GL_EXT_texture_filter_anisotropic&extensions=GL_KHR_texture_compression_astc_ldr
*/
@ -93,9 +94,9 @@ typedef void* (* GLADloadproc)(const char *name);
#endif
GLAPI struct gladGLversionStruct GLVersion;
GLAPI int gladLoadGLLoader(GLADloadproc);
GLAPI int gladLoadGLLoader(GLADloadproc, int requestedVersion);
GLAPI int gladLoadGLES2Loader(GLADloadproc);
GLAPI int gladLoadGLES2Loader(GLADloadproc, int requestedVersion);
#include "khrplatform.h"
typedef unsigned int GLenum;
@ -2615,6 +2616,10 @@ GLAPI PFNGLVERTEXBINDINGDIVISORPROC glad_glVertexBindingDivisor;
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR 0x93DB
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR 0x93DC
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR 0x93DD
#ifndef GL_EXT_framebuffer_object
#define GL_EXT_framebuffer_object 1
GLAPI int GLAD_GL_EXT_framebuffer_object;
#endif
#ifndef GL_EXT_texture_compression_s3tc
#define GL_EXT_texture_compression_s3tc 1
GLAPI int GLAD_GL_EXT_texture_compression_s3tc;