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Merge pull request #2935 from Sonicadvance1/GLES_palette_conversion 

[GLES] Support texture_buffer for palette texture conversion.
This commit is contained in:
Ryan Houdek 2015-09-02 10:11:41 -05:00
parent ecbb83fa0f 7a35f9285b
commit 3b65c4070c
4 changed files with 53 additions and 14 deletions
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7
Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.cpp
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@ -1293,6 +1293,12 @@ const GLFunc gl_function_array[] =
// EXT_copy_image
GLFUNC_SUFFIX(glCopyImageSubData, EXT, "GL_EXT_copy_image !GL_OES_copy_image !VERSION_GLES_3_2"),
// EXT_texture_buffer
GLFUNC_SUFFIX(glTexBuffer, OES, "GL_OES_texture_buffer !VERSION_GLES_3_2"),
// EXT_texture_buffer
GLFUNC_SUFFIX(glTexBuffer, EXT, "GL_EXT_texture_buffer !GL_OES_texture_buffer !VERSION_GLES_3_2"),
// GLES 3.2
GLFUNC_REQUIRES(glMinSampleShading, "VERSION_GLES_3_2"),
GLFUNC_REQUIRES(glDebugMessageCallback, "VERSION_GLES_3_2"),
@ -1306,6 +1312,7 @@ const GLFunc gl_function_array[] =
GLFUNC_REQUIRES(glPopDebugGroup, "VERSION_GLES_3_2"),
GLFUNC_REQUIRES(glPushDebugGroup, "VERSION_GLES_3_2"),
GLFUNC_REQUIRES(glCopyImageSubData, "VERSION_GLES_3_2"),
GLFUNC_REQUIRES(glTexBuffer, "VERSION_GLES_3_2"),
// gl_1_1
// OpenGL 1.1 is at the end due to a bug in Android's EGL stack.

19
Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp
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@ -524,6 +524,7 @@ void ProgramShaderCache::CreateHeader()
GLSL_VERSION v = g_ogl_config.eSupportedGLSLVersion;
bool is_glsles = v >= GLSLES_300;
std::string SupportedESPointSize;
std::string SupportedESTextureBuffer;
switch (g_ogl_config.SupportedESPointSize)
{
case 1: SupportedESPointSize = "#extension GL_OES_geometry_point_size : enable"; break;
@ -531,6 +532,20 @@ void ProgramShaderCache::CreateHeader()
default: SupportedESPointSize = ""; break;
}
switch (g_ogl_config.SupportedESTextureBuffer)
{
case ES_TEXBUF_TYPE::TEXBUF_EXT:
SupportedESTextureBuffer = "#extension GL_EXT_texture_buffer : enable";
break;
case ES_TEXBUF_TYPE::TEXBUF_OES:
SupportedESTextureBuffer = "#extension GL_OES_texture_buffer : enable";
break;
case ES_TEXBUF_TYPE::TEXBUF_CORE:
case ES_TEXBUF_TYPE::TEXBUF_NONE:
SupportedESTextureBuffer = "";
break;
}
snprintf(s_glsl_header, sizeof(s_glsl_header),
"%s\n"
"%s\n" // ubo
@ -544,11 +559,13 @@ void ProgramShaderCache::CreateHeader()
"%s\n" // Geometry point size
"%s\n" // AEP
"%s\n" // texture buffer
"%s\n" // ES texture buffer
// Precision defines for GLSL ES
"%s\n"
"%s\n"
"%s\n"
"%s\n"
// Silly differences
"#define float2 vec2\n"
@ -581,10 +598,12 @@ void ProgramShaderCache::CreateHeader()
, 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" : ""
, SupportedESTextureBuffer.c_str()
, is_glsles ? "precision highp float;" : ""
, is_glsles ? "precision highp int;" : ""
, is_glsles ? "precision highp sampler2DArray;" : ""
, (is_glsles && g_ActiveConfig.backend_info.bSupportsPaletteConversion) ? "precision highp usamplerBuffer;" : ""
, DriverDetails::HasBug(DriverDetails::BUG_BROKENTEXTURESIZE) ? "#define textureSize(x, y) ivec2(1, 1)" : ""
, DriverDetails::HasBug(DriverDetails::BUG_BROKENCENTROID) ? "#define centroid" : ""

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;

8
Source/Core/VideoBackends/OGL/Render.h
View File

@ -21,6 +21,13 @@ enum GLSL_VERSION
GLSLES_310, // GLES 3.1
GLSLES_320, // GLES 3.2
};
enum class ES_TEXBUF_TYPE
{
TEXBUF_NONE,
TEXBUF_CORE,
TEXBUF_OES,
TEXBUF_EXT
};
// ogl-only config, so not in VideoConfig.h
struct VideoConfig
@ -39,6 +46,7 @@ struct VideoConfig
bool bSupportsDebug;
bool bSupportsCopySubImage;
u8 SupportedESPointSize;
ES_TEXBUF_TYPE SupportedESTextureBuffer;
const char* gl_vendor;
const char* gl_renderer;