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Merge pull request #1664 from Sonicadvance1/GLES3_stereo 

Enables stereo rendering with OpenGL ES 3.1 + AEP.
This commit is contained in:
Markus Wick 2014-12-07 12:53:14 +01:00
parent 81cc177c44 ce7c52eca0
commit d83f0308af
4 changed files with 14 additions and 2 deletions
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3
Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.cpp
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@ -1576,6 +1576,9 @@ const GLFunc gl_function_array[] =
// ARB_buffer_storage
GLFUNC_REQUIRES(glBufferStorage, "GL_ARB_buffer_storage"),
GLFUNC_REQUIRES(glNamedBufferStorageEXT, "GL_ARB_buffer_storage GL_EXT_direct_state_access"),
// EXT_geometry_shader
GLFUNC_SUFFIX(glFramebufferTexture, EXT, "GL_EXT_geometry_shader !VERSION_3_2"),
};
namespace GLExtensions

3
Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp
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@ -505,6 +505,7 @@ void ProgramShaderCache::Shutdown()
void ProgramShaderCache::CreateHeader()
{
GLSL_VERSION v = g_ogl_config.eSupportedGLSLVersion;
snprintf(s_glsl_header, sizeof(s_glsl_header),
"%s\n"
"%s\n" // ubo
@ -515,6 +516,7 @@ void ProgramShaderCache::CreateHeader()
"%s\n" // Sampler binding
"%s\n" // storage buffer
"%s\n" // shader5
"%s\n" // AEP
// Precision defines for GLSL ES
"%s\n"
@ -549,6 +551,7 @@ void ProgramShaderCache::CreateHeader()
, 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" : ""
, g_ogl_config.bSupportsAEP ? "#extension GL_ANDROID_extension_pack_es31a : enable" : ""
, v>=GLSLES_300 ? "precision highp float;" : ""
, v>=GLSLES_300 ? "precision highp int;" : ""

9
Source/Core/VideoBackends/OGL/Render.cpp
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@ -497,15 +497,17 @@ Renderer::Renderer()
if (strstr(g_ogl_config.glsl_version, "3.0"))
{
g_ogl_config.eSupportedGLSLVersion = GLSLES_300;
g_ogl_config.bSupportsAEP = false;
g_Config.backend_info.bSupportsStereoscopy = false;
}
else
{
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.bSupportsStereoscopy = g_ogl_config.bSupportsAEP;
}
// TODO: OpenGL ES 3.1 provides the necessary features as extensions.
g_Config.backend_info.bSupportsStereoscopy = false;
}
else
{
@ -532,6 +534,9 @@ Renderer::Renderer()
{
g_ogl_config.eSupportedGLSLVersion = GLSL_150;
}
// Desktop OpenGL can't have the Android Extension Pack
g_ogl_config.bSupportsAEP = false;
}
if (GLExtensions::Supports("GL_KHR_debug"))

1
Source/Core/VideoBackends/OGL/Render.h
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@ -30,6 +30,7 @@ struct VideoConfig
GLSL_VERSION eSupportedGLSLVersion;
bool bSupportOGL31;
bool bSupportViewportFloat;
bool bSupportsAEP;
const char* gl_vendor;
const char* gl_renderer;