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[GLExtensions] Populate the extension list for OpenGL implementations that don't show core extensions.

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This commit is contained in:
Ryan Houdek 2014-01-08 09:42:29 -06:00 committed by degasus
parent 0ea6718d99
commit 2a11fead5c
1 changed files with 91 additions and 1 deletions
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92
Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.cpp
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@ -825,6 +825,96 @@ namespace GLExtensions
for (auto it : gles3exts) for (auto it : gles3exts)
_extensionlist[it] = true; _extensionlist[it] = true;
} }
else if (!_isES)
{
// Some OpenGL implementations chose to not expose core extensions as extensions
// Let's add them to the list manually depending on which version of OpenGL we have
// We need to be slightly careful here
// When an extension got merged in to core, the naming may have changed
// This has intentional fall through
switch (_GLVersion)
{
case 330:
{
std::string gl330exts[] = {
"GL_ARB_shader_bit_encoding",
"GL_ARB_blend_func_extended",
"GL_ARB_explicit_attrib_location",
"GL_ARB_occlusion_query2",
"GL_ARB_sampler_objects",
"GL_ARB_texture_swizzle",
"GL_ARB_timer_query",
"GL_ARB_instanced_arrays",
"GL_ARB_texture_rgb10_a2ui",
"GL_ARB_vertex_type_2_10_10_10_rev",
};
for (auto it : gl330exts)
_extensionlist[it] = true;
}
case 320:
{
std::string gl320exts[] = {
"GL_ARB_geometry_shader4",
"GL_ARB_sync",
"GL_ARB_vertex_array_bgra",
"GL_ARB_draw_elements_base_vertex",
"GL_ARB_seamless_cube_map",
"GL_ARB_texture_multisample",
"GL_ARB_fragment_coord_conventions",
"GL_ARB_provoking_vertex",
"GL_ARB_depth_clamp",
};
for (auto it : gl320exts)
_extensionlist[it] = true;
}
case 310:
{
// Can't add NV_primitive_restart since function name changed
std::string gl310exts[] = {
"GL_ARB_draw_instanced",
"GL_ARB_copy_buffer",
"GL_ARB_texture_buffer_object",
"GL_ARB_texture_rectangle",
"GL_ARB_uniform_buffer_object",
//"GL_NV_primitive_restart",
};
for (auto it : gl310exts)
_extensionlist[it] = true;
}
case 300:
{
// Quite a lot of these had their names changed when merged in to core
// Disable the ones that have
std::string gl300exts[] = {
//"GL_EXT_gpu_shader4",
//"GL_APPLE_flush_buffer_range",
"GL_ARB_color_buffer_float",
//"GL_NV_depth_buffer_float",
"GL_ARB_texture_float",
//"GL_EXT_packed_float",
//"GL_EXT_texture_shared_exponent",
"GL_ARB_half_float_pixel",
//"GL_NV_half_float",
"GL_ARB_framebuffer_object",
//"GL_EXT_framebuffer_sRGB",
"GL_ARB_texture_float",
//"GL_EXT_texture_integer",
//"GL_EXT_draw_buffers2",
//"GL_EXT_texture_integer",
//"GL_EXT_texture_array",
//"GL_EXT_texture_compression_rgtc",
//"GL_EXT_transform_feedback",
"GL_ARB_vertex_array_object",
//"GL_NV_conditional_render",
};
for (auto it : gl300exts)
_extensionlist[it] = true;
}
default:
break;
}
}
GLint NumExtension = 0; GLint NumExtension = 0;
glGetIntegerv(GL_NUM_EXTENSIONS, &NumExtension); glGetIntegerv(GL_NUM_EXTENSIONS, &NumExtension);
for (GLint i = 0; i < NumExtension; ++i) for (GLint i = 0; i < NumExtension; ++i)
@ -878,8 +968,8 @@ namespace GLExtensions
if (GetProcAddress("glGetStringi", (void**)&glGetStringi) == NULL) if (GetProcAddress("glGetStringi", (void**)&glGetStringi) == NULL)
return false; return false;
InitExtensionList();
InitVersion(); InitVersion();
InitExtensionList();
if (success && !init_gl_1_1()) success = false; if (success && !init_gl_1_1()) success = false;
if (success && !init_gl_1_2()) success = false; if (success && !init_gl_1_2()) success = false;