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Cleanup GL/GLX extensions.

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This commit is contained in:
Roz K
2022-12-29 16:20:42 +01:00
parent 33abfd834a
commit 919ba9291f
3 changed files with 72 additions and 50 deletions
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27
cpp/render/render_opengles.cpp
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@ -19,9 +19,19 @@
#include <cstdio>
#include <cstring>
typedef void (*rk_DrawElementsInstancedBaseInstanceFunc)(rk_uint, rk_uint, rk_uint, const void *, rk_uint, rk_uint);
typedef void (*rk_MultiDrawElementsIndirectFunc)(rk_uint, rk_uint, const void *, rk_uint, rk_uint);
static rk_DrawElementsInstancedBaseInstanceFunc rk_DrawElementsInstancedBaseInstance = nullptr;
static rk_MultiDrawElementsIndirectFunc rk_MultiDrawElementsIndirect = nullptr;
static rk_shader const * rk_current_shader = nullptr;
static rk_vertices const * rk_current_vertices = nullptr;
static void rk_gl_printf(char const * message) {
printf("[GL] %s\n", message);
}
static void rk_printf(char const * message) {
printf("[RK] %s\n", message);
}
@ -42,14 +52,27 @@ static void rk_debug_message_callback(
void rk_render_initialize() {
GLubyte const * const vendor = glGetString(GL_VENDOR);
GLubyte const * const renderer = glGetString(GL_RENDERER);
printf("[RK] vendor: %s, renderer: %s\n", vendor, renderer);
printf("[GL] vendor: %s, renderer: %s\n", vendor, renderer);
GLubyte const * const version = glGetString(GL_VERSION);
GLubyte const * const language = glGetString(GL_SHADING_LANGUAGE_VERSION);
printf("[RK] version: %s, language: %s\n", version, language);
printf("[GL] version: %s, language: %s\n", version, language);
glDebugMessageCallback(rk_debug_message_callback, nullptr);
glEnable(GL_DEBUG_OUTPUT);
char const * const gl_exts = reinterpret_cast<char const *>(glGetString(GL_EXTENSIONS));
// printf("[GL] %s\n", gl_exts);
rk_DrawElementsInstancedBaseInstance = reinterpret_cast<rk_DrawElementsInstancedBaseInstanceFunc>(
rk_resolve_extension(gl_exts, "GL_EXT_base_instance", "DrawElementsInstancedBaseInstance"));
if (rk_DrawElementsInstancedBaseInstance) {
rk_gl_printf("Using extension GL_EXT_base_instance::DrawElementsInstancedBaseInstance.");
rk_MultiDrawElementsIndirect = reinterpret_cast<rk_MultiDrawElementsIndirectFunc>(
rk_resolve_extension(gl_exts, "GL_EXT_multi_draw_indirect", "MultiDrawElementsIndirectEXT"));
if (rk_MultiDrawElementsIndirect) {
rk_gl_printf("Using extension GL_EXT_multi_draw_indirect::MultiDrawElementsIndirectEXT.");
}
}
glDisable(GL_BLEND);
glEnable(GL_DITHER);
glEnable(GL_DEPTH_TEST);