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Optimized OpenGL samplers binding

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Former-commit-id: 6afb2ed4d9851e09ff1006cf7c81df0cac0bed7d
This commit is contained in:
Lynix
2014-04-16 09:02:32 +02:00
parent 9428097b53
commit 4026e310bc
3 changed files with 53 additions and 2 deletions
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49
src/Nazara/Renderer/OpenGL.cpp
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@@ -67,6 +67,7 @@ namespace
{
GLuint buffersBinding[nzBufferType_Max+1] = {0};
GLuint currentProgram = 0;
GLuint samplers[32] = {0}; // 32 est pour l'instant la plus haute limite (GL_TEXTURE31)
GLuint texturesBinding[32] = {0}; // 32 est pour l'instant la plus haute limite (GL_TEXTURE31)
NzRecti currentScissorBox = NzRecti(0,0,0,0);
NzRecti currentViewport = NzRecti(0,0,0,0);
@@ -326,6 +327,29 @@ void NzOpenGL::BindProgram(GLuint id)
}
}
void NzOpenGL::BindSampler(GLuint unit, GLuint id)
{
#ifdef NAZARA_DEBUG
if (!glBindSampler)
{
NazaraError("Sampler are not supported");
return;
}
if (!s_contextStates)
{
NazaraError("No context activated");
return;
}
#endif
if (s_contextStates->samplers[unit] != id)
{
glBindSampler(unit, id);
s_contextStates->samplers[unit] = id;
}
}
void NzOpenGL::BindScissorBox(const NzRecti& scissorBox)
{
#ifdef NAZARA_DEBUG
@@ -487,6 +511,31 @@ void NzOpenGL::DeleteProgram(GLuint id)
s_contextStates->currentProgram = 0;
}
void NzOpenGL::DeleteSampler(GLuint id)
{
#ifdef NAZARA_DEBUG
if (!glDeleteSamplers)
{
NazaraError("Sampler are not supported");
return;
}
if (!s_contextStates)
{
NazaraError("No context activated");
return;
}
#endif
glDeleteSamplers(1, &id);
for (GLuint& binding : s_contextStates->samplers)
{
if (binding == id)
binding = 0;
}
}
void NzOpenGL::DeleteTexture(GLuint id)
{
#ifdef NAZARA_DEBUG