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enable shader cache again

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This commit is contained in:
degasus
2013-02-13 16:30:15 +01:00
parent 398b37f371
commit b3675d15dc
3 changed files with 45 additions and 70 deletions
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56
Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp
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@ -34,9 +34,6 @@ u32 ProgramShaderCache::s_ubo_buffer_size;
bool ProgramShaderCache::s_ubo_dirty;
LinearDiskCache<SHADERUID, u8> g_program_disk_cache;
GLenum ProgramFormat;
GLuint ProgramShaderCache::PCacheEntry::prog_format = 0;
static StreamBuffer *s_buffer;
@ -216,6 +213,7 @@ SHADER* ProgramShaderCache::SetShader ( DSTALPHA_MODE dstAlphaMode, u32 componen
// Make an entry in the table
PCacheEntry& newentry = pshaders[uid];
last_entry = &newentry;
newentry.in_cache = 0;
const char *vcode = GenerateVertexShaderCode(components, API_OPENGL);
const char *pcode = GeneratePixelShaderCode(dstAlphaMode, API_OPENGL, components);
@ -413,14 +411,23 @@ void ProgramShaderCache::Init(void)
// Read our shader cache, only if supported
if (g_ActiveConfig.backend_info.bSupportsGLSLCache)
{
PCacheEntry::prog_format = PCacheEntry::SetProgramFormat();
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);
if(!Supported)
{
ERROR_LOG(VIDEO, "GL_ARB_get_program_binary is supported, but no binary format is known. So disable shader cache.");
g_ActiveConfig.backend_info.bSupportsGLSLCache = false;
}
else
{
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);
}
SETSTAT(stats.numPixelShadersAlive, pshaders.size());
}
CurrentProgram = 0;
@ -429,13 +436,25 @@ void ProgramShaderCache::Init(void)
void ProgramShaderCache::Shutdown(void)
{
// store all shaders in cache on disk
if (g_ActiveConfig.backend_info.bSupportsGLSLCache)
{
PCache::iterator iter = pshaders.begin();
for (; iter != pshaders.end(); ++iter)
{
g_program_disk_cache.Append(iter->first, iter->second.GetProgram(), iter->second.Size());
iter->second.FreeProgram();
if(iter->second.in_cache) continue;
GLint binary_size;
glGetProgramiv(iter->second.shader.glprogid, GL_PROGRAM_BINARY_LENGTH, &binary_size);
if(!binary_size) continue;
u8 *data = new u8[binary_size+sizeof(GLenum)];
u8 *binary = data + sizeof(GLenum);
GLenum *prog_format = (GLenum*)data;
glGetProgramBinary(iter->second.shader.glprogid, binary_size, NULL, prog_format, binary);
g_program_disk_cache.Append(iter->first, data, binary_size+sizeof(GLenum));
delete [] data;
}
g_program_disk_cache.Sync();
@ -460,11 +479,14 @@ void ProgramShaderCache::Shutdown(void)
void ProgramShaderCache::ProgramShaderCacheInserter::Read ( const SHADERUID& key, const u8* value, u32 value_size )
{
// The two shaders might not even exist anymore
// But it is fine, no need to worry about that
const u8 *binary = value+sizeof(GLenum);
GLenum *prog_format = (GLenum*)value;
GLint binary_size = value_size-sizeof(GLenum);
PCacheEntry entry;
entry.in_cache = 1;
entry.shader.glprogid = glCreateProgram();
glProgramBinary(entry.shader.glprogid, entry.prog_format, value, value_size);
glProgramBinary(entry.shader.glprogid, *prog_format, binary, binary_size);
GLint success;
glGetProgramiv(entry.shader.glprogid, GL_LINK_STATUS, &success);
@ -474,6 +496,8 @@ void ProgramShaderCache::ProgramShaderCacheInserter::Read ( const SHADERUID& key
pshaders[key] = entry;
entry.shader.SetProgramVariables();
}
else
glDeleteProgram(entry.shader.glprogid);
}