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66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
// This file will not pull in the OpenGL headers but will still let you
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// access information about the features of the current GPU, for auto-config
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// and similar purposes.
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#pragma once
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#include "base/NativeApp.h"
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enum {
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GPU_VENDOR_NVIDIA = 1,
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GPU_VENDOR_AMD = 2,
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GPU_VENDOR_INTEL = 3,
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GPU_VENDOR_ARM = 4, // Mali
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GPU_VENDOR_POWERVR = 5,
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GPU_VENDOR_ADRENO = 6,
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GPU_VENDOR_BROADCOM = 7,
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GPU_VENDOR_UNKNOWN = 0,
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};
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enum {
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BUG_FBO_UNUSABLE=1
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};
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// Extensions to look at using:
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// GL_NV_map_buffer_range (same as GL_ARB_map_buffer_range ?)
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// WARNING: This gets memset-d - so no strings please
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// TODO: Rename this GLFeatures or something.
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struct GLExtensions {
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int ver[3];
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int gpuVendor;
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bool GLES3; // true if the full OpenGL ES 3.0 is supported
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bool OES_depth24;
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bool OES_packed_depth_stencil;
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bool OES_depth_texture;
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bool EXT_discard_framebuffer;
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bool FBO_ARB;
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bool FBO_EXT;
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bool PBO_ARB;
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bool EXT_swap_control_tear;
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bool QCOM_alpha_test;
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bool OES_mapbuffer;
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bool OES_vertex_array_object;
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bool EXT_shader_framebuffer_fetch;
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bool EXT_blend_minmax;
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bool ATIClampBug;
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bool NV_draw_texture;
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bool NV_copy_image;
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bool EXT_unpack_subimage; // always supported on desktop and ES3
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// EGL extensions
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bool EGL_NV_system_time;
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bool EGL_NV_coverage_sample;
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// Bugs
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int bugs;
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};
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extern GLExtensions gl_extensions;
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// Call this after filling out vendor etc to lookup the bugs etc.
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// Only needs to be called ones. Currently called by CheckGLExtensions().
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void ProcessGPUFeatures();
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