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[GLES] Support texture_buffer for palette texture conversion.

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OpenGL ES 3.2 adds this feature to core
It was available to GLES 3.1 as GL_{EXT, OES}_texture_buffer as well.
For the non-Nvidia vendors that implemented this is:
      - Qualcomm's Adreno 4xx
      - IMGTec's PowerVR Rogue
This commit is contained in:
Ryan Houdek
2015-09-01 05:23:43 -05:00
parent b9ea9c05ad
commit 7a35f9285b
4 changed files with 53 additions and 14 deletions
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9
Source/Core/VideoBackends/OGL/Render.cpp
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@ -467,7 +467,9 @@ Renderer::Renderer()
g_Config.backend_info.bSupportsBBox = GLExtensions::Supports("GL_ARB_shader_storage_buffer_object");
g_Config.backend_info.bSupportsGSInstancing = GLExtensions::Supports("GL_ARB_gpu_shader5");
g_Config.backend_info.bSupportsGeometryShaders = GLExtensions::Version() >= 320;
g_Config.backend_info.bSupportsPaletteConversion = GLExtensions::Supports("GL_ARB_texture_buffer_object");
g_Config.backend_info.bSupportsPaletteConversion = GLExtensions::Supports("GL_ARB_texture_buffer_object") ||
GLExtensions::Supports("GL_OES_texture_buffer") ||
GLExtensions::Supports("GL_EXT_texture_buffer");
g_Config.backend_info.bSupportsClipControl = GLExtensions::Supports("GL_ARB_clip_control");
g_ogl_config.bSupportsCopySubImage = (GLExtensions::Supports("GL_ARB_copy_image") ||
GLExtensions::Supports("GL_NV_copy_image") ||
@ -497,6 +499,9 @@ Renderer::Renderer()
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;
g_ogl_config.SupportedESTextureBuffer = GLExtensions::Supports("VERSION_GLES_3_2") ? ES_TEXBUF_TYPE::TEXBUF_CORE :
GLExtensions::Supports("GL_OES_texture_buffer") ? ES_TEXBUF_TYPE::TEXBUF_OES :
GLExtensions::Supports("GL_EXT_texture_buffer") ? ES_TEXBUF_TYPE::TEXBUF_EXT : ES_TEXBUF_TYPE::TEXBUF_NONE;
if (strstr(g_ogl_config.glsl_version, "3.0") || DriverDetails::HasBug(DriverDetails::BUG_BROKENGLES31))
{
@ -512,7 +517,6 @@ Renderer::Renderer()
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
{
@ -522,6 +526,7 @@ Renderer::Renderer()
g_Config.backend_info.bSupportsEarlyZ = true;
g_Config.backend_info.bSupportsGeometryShaders = true;
g_Config.backend_info.bSupportsGSInstancing = g_ogl_config.SupportedESPointSize > 0;
g_Config.backend_info.bSupportsPaletteConversion = true;
g_ogl_config.bSupportsCopySubImage = true;
g_ogl_config.bSupportsGLBaseVertex = true;
g_ogl_config.bSupportSampleShading = true;