1 //* Copyright 2019 The Dawn Authors
2 //*
3 //* Licensed under the Apache License, Version 2.0 (the "License");
4 //* you may not use this file except in compliance with the License.
5 //* You may obtain a copy of the License at
6 //*
7 //* http://www.apache.org/licenses/LICENSE-2.0
8 //*
9 //* Unless required by applicable law or agreed to in writing, software
10 //* distributed under the License is distributed on an "AS IS" BASIS,
11 //* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 //* See the License for the specific language governing permissions and
13 //* limitations under the License.
14
15 #include "dawn_native/opengl/OpenGLFunctionsBase_autogen.h"
16
17 namespace dawn_native { namespace opengl {
18
19 template<typename T>
LoadProc(GetProcAddress getProc,T * memberProc,const char * name)20 MaybeError OpenGLFunctionsBase::LoadProc(GetProcAddress getProc, T* memberProc, const char* name) {
21 *memberProc = reinterpret_cast<T>(getProc(name));
22 if (DAWN_UNLIKELY(memberProc == nullptr)) {
23 return DAWN_INTERNAL_ERROR(std::string("Couldn't load GL proc: ") + name);
24 }
25 return {};
26 }
27
LoadOpenGLESProcs(GetProcAddress getProc,int majorVersion,int minorVersion)28 MaybeError OpenGLFunctionsBase::LoadOpenGLESProcs(GetProcAddress getProc, int majorVersion, int minorVersion) {
29 {% for block in gles_blocks %}
30 // OpenGL ES {{block.version.major}}.{{block.version.minor}}
31 if (majorVersion > {{block.version.major}} || (majorVersion == {{block.version.major}} && minorVersion >= {{block.version.minor}})) {
32 {% for proc in block.procs %}
33 DAWN_TRY(LoadProc(getProc, &{{proc.ProcName()}}, "{{proc.glProcName()}}"));
34 {% endfor %}
35 }
36
37 {% endfor %}
38
39 {% for block in extension_gles_blocks %}
40 // {{block.extension}}
41 {% for proc in block.procs %}
42 DAWN_TRY(LoadProc(getProc, &{{proc.ProcName()}}, "{{proc.glProcName()}}"));
43 {% endfor %}
44 {% endfor %}
45
46 return {};
47 }
48
49 MaybeError OpenGLFunctionsBase::LoadDesktopGLProcs(GetProcAddress getProc, int majorVersion, int minorVersion) {
50 {% for block in desktop_gl_blocks %}
51 // Desktop OpenGL {{block.version.major}}.{{block.version.minor}}
52 if (majorVersion > {{block.version.major}} || (majorVersion == {{block.version.major}} && minorVersion >= {{block.version.minor}})) {
53 {% for proc in block.procs %}
54 DAWN_TRY(LoadProc(getProc, &{{proc.ProcName()}}, "{{proc.glProcName()}}"));
55 {% endfor %}
56 }
57
58 {% endfor %}
59
60 {% for block in extension_desktop_gl_blocks %}
61 // {{block.extension}}
62 {% for proc in block.procs %}
63 DAWN_TRY(LoadProc(getProc, &{{proc.ProcName()}}, "{{proc.glProcName()}}"));
64 {% endfor %}
65 {% endfor %}
66
67 return {};
68 }
69
70 }} // namespace dawn_native::opengl
71