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Add in UBOs, doesn't work yet. Still debugging here.

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This commit is contained in:
Ryan Houdek 2011-12-09 17:30:05 -06:00
parent 9119399547
commit 8e5bb59cb6
12 changed files with 138 additions and 49 deletions
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39
Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp
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@ -14,12 +14,15 @@
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "ProgramShaderCache.h"
#include <assert.h>
namespace OGL
{
GLuint ProgramShaderCache::CurrentFShader = 0, ProgramShaderCache::CurrentVShader = 0, ProgramShaderCache::CurrentProgram = 0;
ProgramShaderCache::PCache ProgramShaderCache::pshaders;
GLuint ProgramShaderCache::UBOBuffers[2];
std::pair<u64, u64> ProgramShaderCache::CurrentShaderProgram;
const char *UniformNames[NUM_UNIFORMS] = {
@ -85,12 +88,14 @@ namespace OGL
// Let's attach everything
if(entry.program.vsid != 0) // attaching zero vertex shader makes it freak out
glAttachShader(entry.program.glprogid, entry.program.vsid);
glAttachShader(entry.program.glprogid, entry.program.psid);
glLinkProgram(entry.program.glprogid);
//checkForGLError("linking program");
glUseProgram(entry.program.glprogid);
//checkForGLError("using program");
glUseProgram(entry.program.glprogid);
// We cache our uniform locations for now
// Once we move up to a newer version of GLSL, ~1.30
// We can remove this
@ -122,18 +127,40 @@ namespace OGL
CurrentShaderProgram = ShaderPair;
CurrentProgram = entry.program.glprogid;
}
void ProgramShaderCache::SetUniformObjects(int Buffer, unsigned int offset, const float *f, unsigned int count)
{
assert(Buffer > 1);
glBindBuffer(GL_UNIFORM_BUFFER, UBOBuffers[Buffer]);
// glBufferSubData expects data in bytes, so multiply count by four
// Expects the offset in bytes as well, so multiply by *4 *4 since we are passing in a vec4 location
glBufferSubData(GL_UNIFORM_BUFFER, offset * 4 * 4, count * 4, (void*)&f[0]);
}
GLuint ProgramShaderCache::GetCurrentProgram(void) { return CurrentProgram; }
GLint ProgramShaderCache::GetAttr(int num)
{
return pshaders[CurrentShaderProgram].program.attrLoc[num];
}
PROGRAMSHADER ProgramShaderCache::GetShaderProgram()
PROGRAMSHADER ProgramShaderCache::GetShaderProgram(void)
{
return pshaders[CurrentShaderProgram].program;
}
void ProgramShaderCache::Init(void)
{
glGenBuffers(2, UBOBuffers);
glBindBuffer(GL_UNIFORM_BUFFER, UBOBuffers[0]);
// We multiply by *4*4 because we need to get down to basic machine units.
// So multiply by four to get how many floats we have from vec4s
// Then once more to get bytes
glBufferData(GL_UNIFORM_BUFFER, C_PENVCONST_END * 4 * 4, NULL, GL_DYNAMIC_DRAW);
// Now bind the buffer to the index point
// We know PS is 0 since we have it statically set in the shader
glBindBufferBase(GL_UNIFORM_BUFFER, 0, UBOBuffers[0]);
// Repeat for VS shader
glBindBuffer(GL_UNIFORM_BUFFER, UBOBuffers[1]);
glBufferData(GL_UNIFORM_BUFFER, C_VENVCONST_END * 4 * 4, NULL, GL_DYNAMIC_DRAW);
glBindBufferBase(GL_UNIFORM_BUFFER, 1, UBOBuffers[1]);
}
void ProgramShaderCache::Shutdown(void)
{
PCache::iterator iter = pshaders.begin();