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Implement Program shaders cache. Seems to reduce a small amount of stuttering when F-Zero starts. Did it because I can :|

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This commit is contained in:
Ryan Houdek
2011-12-21 00:15:48 -06:00
committed by Sonicadvance1
parent ef1e157786
commit d012c75005
4 changed files with 139 additions and 42 deletions
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112
Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp
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@ -26,6 +26,9 @@ namespace OGL
GLuint ProgramShaderCache::s_ps_vs_ubo;
GLintptr ProgramShaderCache::s_vs_data_offset;
LinearDiskCache<PROGRAMUID, u8> g_program_disk_cache;
GLenum ProgramFormat;
std::pair<u64, u64> ProgramShaderCache::CurrentShaderProgram;
const char *UniformNames[NUM_UNIFORMS] = {
// SAMPLERS
@ -53,6 +56,48 @@ namespace OGL
I_DEPTHPARAMS,
};
void ProgramShaderCache::SetProgramVariables(PCacheEntry &entry, const PROGRAMUID &uid)
{
// Dunno why this is needed when I have the binding
// points statically set in the shader source
// We should only need these two functions when we don't support binding but do support UBO
// Driver Bug? Nvidia GTX 570, 290.xx Driver, Linux x64
if (g_ActiveConfig.backend_info.bSupportsGLSLUBO)
{
glUniformBlockBinding( entry.program.glprogid, 0, 1 );
if(uid.uid.vsid != 0) // Some things have no vertex shader
glUniformBlockBinding( entry.program.glprogid, 1, 2 );
}
// We cache our uniform locations for now
// Once we move up to a newer version of GLSL, ~1.30
// We can remove this
//For some reason this fails on my hardware
//glGetUniformIndices(entry.program.glprogid, NUM_UNIFORMS, UniformNames, entry.program.UniformLocations);
//Got to do it this crappy way.
if (!g_ActiveConfig.backend_info.bSupportsGLSLUBO)
for(int a = 8; a < NUM_UNIFORMS; ++a)
entry.program.UniformLocations[a] = glGetUniformLocation(entry.program.glprogid, UniformNames[a]);
if (!g_ActiveConfig.backend_info.bSupportsGLSLBinding)
for(int a = 0; a < 8; ++a)
{
// Still need to get sampler locations since we aren't binding them statically in the shaders
entry.program.UniformLocations[a] = glGetUniformLocation(entry.program.glprogid, UniformNames[a]);
if(entry.program.UniformLocations[a] != -1)
glUniform1i(entry.program.UniformLocations[a], a);
}
// Need to get some attribute locations
if(uid.uid.vsid != 0) // We have no vertex Shader
{
glBindAttribLocation(entry.program.glprogid, SHADER_NORM1_ATTRIB, "rawnorm1");
glBindAttribLocation(entry.program.glprogid, SHADER_NORM2_ATTRIB, "rawnorm2");
glBindAttribLocation(entry.program.glprogid, SHADER_POSMTX_ATTRIB, "fposmtx");
}
}
void ProgramShaderCache::SetBothShaders(GLuint PS, GLuint VS)
{
PROGRAMUID uid;
@ -92,49 +137,19 @@ namespace OGL
glAttachShader(entry.program.glprogid, entry.program.vsid);
glAttachShader(entry.program.glprogid, entry.program.psid);
glProgramParameteri(entry.program.glprogid, GL_PROGRAM_BINARY_RETRIEVABLE_HINT, GL_TRUE);
glLinkProgram(entry.program.glprogid);
glUseProgram(entry.program.glprogid);
// Dunno why this is needed when I have the binding
// points statically set in the shader source
// We should only need these two functions when we don't support binding but do support UBO
// Driver Bug? Nvidia GTX 570, 290.xx Driver, Linux x64
if (g_ActiveConfig.backend_info.bSupportsGLSLUBO)
{
glUniformBlockBinding( entry.program.glprogid, 0, 1 );
if(uid.uid.vsid != 0) // Some things have no vertex shader
glUniformBlockBinding( entry.program.glprogid, 1, 2 );
}
// We cache our uniform locations for now
// Once we move up to a newer version of GLSL, ~1.30
// We can remove this
//For some reason this fails on my hardware
//glGetUniformIndices(entry.program.glprogid, NUM_UNIFORMS, UniformNames, entry.program.UniformLocations);
//Got to do it this crappy way.
if (!g_ActiveConfig.backend_info.bSupportsGLSLUBO)
for(int a = 8; a < NUM_UNIFORMS; ++a)
entry.program.UniformLocations[a] = glGetUniformLocation(entry.program.glprogid, UniformNames[a]);
if (!g_ActiveConfig.backend_info.bSupportsGLSLBinding)
for(int a = 0; a < 8; ++a)
{
// Still need to get sampler locations since we aren't binding them statically in the shaders
entry.program.UniformLocations[a] = glGetUniformLocation(entry.program.glprogid, UniformNames[a]);
if(entry.program.UniformLocations[a] != -1)
glUniform1i(entry.program.UniformLocations[a], a);
}
// Need to get some attribute locations
if(uid.uid.vsid != 0) // We have no vertex Shader
{
glBindAttribLocation(entry.program.glprogid, SHADER_NORM1_ATTRIB, "rawnorm1");
glBindAttribLocation(entry.program.glprogid, SHADER_NORM2_ATTRIB, "rawnorm2");
glBindAttribLocation(entry.program.glprogid, SHADER_POSMTX_ATTRIB, "fposmtx");
}
SetProgramVariables(entry, uid);
// Add it to our cache
if (g_ActiveConfig.backend_info.bSupportsGLSLCache)
g_program_disk_cache.Append(uid, entry.Data(), entry.Size());
pshaders[ShaderPair] = entry;
CurrentShaderProgram = ShaderPair;
@ -186,10 +201,33 @@ namespace OGL
glBindBufferRange(GL_UNIFORM_BUFFER, 1, s_ps_vs_ubo, 0, ps_data_size);
glBindBufferRange(GL_UNIFORM_BUFFER, 2, s_ps_vs_ubo, s_vs_data_offset, vs_data_size);
}
// Read our shader cache, only if supported
if (g_ActiveConfig.backend_info.bSupportsGLSLCache)
{
char cache_filename[MAX_PATH];
sprintf(cache_filename, "%sogl-%s-shaders.cache", File::GetUserPath(D_SHADERCACHE_IDX).c_str(),
SConfig::GetInstance().m_LocalCoreStartupParameter.m_strUniqueID.c_str());
ProgramShaderCacheInserter inserter;
g_program_disk_cache.OpenAndRead(cache_filename, inserter);
GLint Supported;
glGetIntegerv(GL_NUM_PROGRAM_BINARY_FORMATS, &Supported);
GLint Formats[Supported];
glGetIntegerv(GL_PROGRAM_BINARY_FORMATS, Formats);
ProgramFormat = (GLenum)Formats[0]; // We don't really care about format
}
}
void ProgramShaderCache::Shutdown(void)
{
if (g_ActiveConfig.backend_info.bSupportsGLSLCache)
{
g_program_disk_cache.Sync();
g_program_disk_cache.Close();
}
PCache::iterator iter = pshaders.begin();
for (; iter != pshaders.end(); ++iter)
iter->second.Destroy();