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also don't search in the shader cache if the shader isn't changed

This commit is contained in:
degasus 2013-01-15 17:10:43 +01:00
parent 9165ac5a67
commit bb200acdd8
2 changed files with 14 additions and 13 deletions
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23
Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp
View File

@ -21,7 +21,7 @@
namespace OGL namespace OGL
{ {
GLuint ProgramShaderCache::CurrentFShader = 0, ProgramShaderCache::CurrentVShader = 0, ProgramShaderCache::CurrentProgram = 0; GLuint ProgramShaderCache::CurrentProgram = 0;
ProgramShaderCache::PCache ProgramShaderCache::pshaders; ProgramShaderCache::PCache ProgramShaderCache::pshaders;
GLuint ProgramShaderCache::s_ps_vs_ubo; GLuint ProgramShaderCache::s_ps_vs_ubo;
GLintptr ProgramShaderCache::s_vs_data_offset; GLintptr ProgramShaderCache::s_vs_data_offset;
@ -136,25 +136,23 @@ void ProgramShaderCache::SetBothShaders(GLuint PS, GLuint VS)
return; return;
} }
CurrentFShader = PS; std::pair<u32, u32> ShaderPair = std::make_pair(PS, VS);
CurrentVShader = VS;
// program is already bound
if(ShaderPair == CurrentShaderProgram) return;
// We have a valid shaders, let's create our program
std::pair<u32, u32> ShaderPair = std::make_pair(CurrentFShader, CurrentVShader);
PCache::iterator iter = pshaders.find(ShaderPair); PCache::iterator iter = pshaders.find(ShaderPair);
if (iter != pshaders.end()) if (iter != pshaders.end())
{ {
PCacheEntry &entry = iter->second; PCacheEntry &entry = iter->second;
if(CurrentProgram != entry.prog_id) { glUseProgram(entry.prog_id);
glUseProgram(entry.prog_id); CurrentProgram = entry.prog_id;
CurrentProgram = entry.prog_id; CurrentShaderProgram = ShaderPair;
CurrentShaderProgram = ShaderPair;
}
return; return;
} }
PCacheEntry entry; PCacheEntry entry;
entry.Create(CurrentFShader, CurrentVShader); entry.Create(PS, VS);
// Right, the program is created now // Right, the program is created now
// Let's attach everything // Let's attach everything
@ -253,6 +251,7 @@ void ProgramShaderCache::Init(void)
} }
CurrentProgram = 0; CurrentProgram = 0;
CurrentShaderProgram = std::pair<u32,u32>(0,0);
} }
void ProgramShaderCache::Shutdown(void) void ProgramShaderCache::Shutdown(void)
@ -270,6 +269,8 @@ void ProgramShaderCache::Shutdown(void)
g_program_disk_cache.Close(); g_program_disk_cache.Close();
} }
glUseProgram(0);
PCache::iterator iter = pshaders.begin(); PCache::iterator iter = pshaders.begin();
for (; iter != pshaders.end(); ++iter) for (; iter != pshaders.end(); ++iter)
iter->second.Destroy(); iter->second.Destroy();

2
Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.h
View File

@ -150,7 +150,7 @@ private:
typedef std::map<ShaderUID, PCacheEntry> PCache; typedef std::map<ShaderUID, PCacheEntry> PCache;
static PCache pshaders; static PCache pshaders;
static GLuint CurrentFShader, CurrentVShader, CurrentProgram; static GLuint CurrentProgram;
static ShaderUID CurrentShaderProgram; static ShaderUID CurrentShaderProgram;
static GLuint s_ps_vs_ubo; static GLuint s_ps_vs_ubo;