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Support OpenGL ES 3.2.

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OpenGL ES 3.2 adds a few things we care about supporting in core. In particular:
- GL_{ARB,EXT,OES}_draw_elements_base_vertex
- KHR_Debug
- Sample Shading
- GL_{ARB,EXT,OES,NV}_copy_image
- Geometry shaders
- Geometry shader instancing (If they support GL_{EXT,OES}_geometry_point_size)

Nvidia was the first to release an OpenGL ES 3.2 driver which I uesd to test this on.
This also enables GS Instancing on GLES 3.1 hardware if it supports all of the required extensions.
This commit is contained in:
Ryan Houdek
2015-08-26 00:09:32 -05:00
parent 6015e2d812
commit 447b1b09e3
5 changed files with 91 additions and 25 deletions
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13
Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp
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@ -50,6 +50,8 @@ static std::string GetGLSLVersionString()
return "#version 300 es";
case GLSLES_310:
return "#version 310 es";
case GLSLES_320:
return "#version 320 es";
case GLSL_130:
return "#version 130";
case GLSL_140:
@ -521,6 +523,13 @@ void ProgramShaderCache::CreateHeader()
{
GLSL_VERSION v = g_ogl_config.eSupportedGLSLVersion;
bool is_glsles = v >= GLSLES_300;
std::string SupportedESPointSize;
switch (g_ogl_config.SupportedESPointSize)
{
case 1: SupportedESPointSize = "#extension GL_OES_geometry_point_size : enable"; break;
case 2: SupportedESPointSize = "#extension GL_EXT_geometry_point_size : enable"; break;
default: SupportedESPointSize = ""; break;
}
snprintf(s_glsl_header, sizeof(s_glsl_header),
"%s\n"
@ -532,6 +541,7 @@ void ProgramShaderCache::CreateHeader()
"%s\n" // Sampler binding
"%s\n" // storage buffer
"%s\n" // shader5
"%s\n" // Geometry point size
"%s\n" // AEP
"%s\n" // texture buffer
@ -567,7 +577,8 @@ void ProgramShaderCache::CreateHeader()
, (g_ogl_config.bSupportSampleShading) ? "#extension GL_ARB_sample_shading : enable" : ""
, g_ActiveConfig.backend_info.bSupportsBindingLayout ? "#define SAMPLER_BINDING(x) layout(binding = x)" : "#define SAMPLER_BINDING(x)"
, g_ActiveConfig.backend_info.bSupportsBBox ? "#extension GL_ARB_shader_storage_buffer_object : enable" : ""
, g_ActiveConfig.backend_info.bSupportsGSInstancing ? "#extension GL_ARB_gpu_shader5 : enable" : ""
, !is_glsles && g_ActiveConfig.backend_info.bSupportsGSInstancing ? "#extension GL_ARB_gpu_shader5 : enable" : ""
, SupportedESPointSize.c_str()
, g_ogl_config.bSupportsAEP ? "#extension GL_ANDROID_extension_pack_es31a : enable" : ""
, v<GLSL_140 && g_ActiveConfig.backend_info.bSupportsPaletteConversion ? "#extension GL_ARB_texture_buffer_object : enable" : ""