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Support OpenGL ES 3.2.

Browse Source 
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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23
Source/Core/VideoBackends/OGL/Render.cpp
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@ -150,7 +150,7 @@ static void ApplySSAASettings()
{
glEnable(GL_SAMPLE_SHADING_ARB);
GLfloat min_sample_shading_value = static_cast<GLfloat>(s_MSAASamples);
glMinSampleShadingARB(min_sample_shading_value);
glMinSampleShading(min_sample_shading_value);
}
else
{
@ -491,25 +491,42 @@ Renderer::Renderer()
g_ogl_config.bSupportSampleShading = GLExtensions::Supports("GL_ARB_sample_shading");
g_ogl_config.bSupportOGL31 = GLExtensions::Version() >= 310;
g_ogl_config.bSupportViewportFloat = GLExtensions::Supports("GL_ARB_viewport_array");
g_ogl_config.bSupportsDebug = GLExtensions::Supports("GL_KHR_debug") || GLExtensions::Supports("GL_ARB_debug_output");
g_ogl_config.bSupportsDebug = GLExtensions::Supports("GL_KHR_debug") ||
GLExtensions::Supports("GL_ARB_debug_output");
if (GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGLES3)
{
g_ogl_config.SupportedESPointSize = GLExtensions::Supports("GL_OES_geometry_point_size") ? 1 : GLExtensions::Supports("GL_EXT_geometry_point_size") ? 2 : 0;
if (strstr(g_ogl_config.glsl_version, "3.0") || DriverDetails::HasBug(DriverDetails::BUG_BROKENGLES31))
{
g_ogl_config.eSupportedGLSLVersion = GLSLES_300;
g_ogl_config.bSupportsAEP = false;
g_Config.backend_info.bSupportsGeometryShaders = false;
}
else
else if (strstr(g_ogl_config.glsl_version, "3.1"))
{
g_ogl_config.eSupportedGLSLVersion = GLSLES_310;
g_ogl_config.bSupportsAEP = GLExtensions::Supports("GL_ANDROID_extension_pack_es31a");
g_Config.backend_info.bSupportsBindingLayout = true;
g_Config.backend_info.bSupportsEarlyZ = true;
g_Config.backend_info.bSupportsGeometryShaders = g_ogl_config.bSupportsAEP;
g_Config.backend_info.bSupportsGSInstancing = g_Config.backend_info.bSupportsGeometryShaders && g_ogl_config.SupportedESPointSize > 0;
//g_Config.backend_info.bSupportsPaletteConversion = GLExtensions::Supports("GL_EXT_texture_buffer");
}
else
{
g_ogl_config.eSupportedGLSLVersion = GLSLES_320;
g_ogl_config.bSupportsAEP = GLExtensions::Supports("GL_ANDROID_extension_pack_es31a");
g_Config.backend_info.bSupportsBindingLayout = true;
g_Config.backend_info.bSupportsEarlyZ = true;
g_Config.backend_info.bSupportsGeometryShaders = true;
g_Config.backend_info.bSupportsGSInstancing = g_ogl_config.SupportedESPointSize > 0;
g_ogl_config.bSupportsCopySubImage = true;
g_ogl_config.bSupportsGLBaseVertex = true;
g_ogl_config.bSupportSampleShading = true;
g_ogl_config.bSupportsDebug = true;
}
}
else
{