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D3D: StateManager::Apply no longer iterates through every texture and sampler slot 

Now using bit scan through dirty slot masks.
This commit is contained in:
Yuriy O'Donnell 2015-04-29 20:08:00 +02:00
parent 79dff19aa0
commit 2b664f5d89
1 changed files with 34 additions and 26 deletions
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60
Source/Core/VideoBackends/D3D/D3DState.cpp
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@ -87,15 +87,21 @@ void StateManager::Apply()
return;
}
const u32 dirtyTextures = DirtyFlag_Texture0 | DirtyFlag_Texture1 | DirtyFlag_Texture2 | DirtyFlag_Texture3
| DirtyFlag_Texture4 | DirtyFlag_Texture5 | DirtyFlag_Texture6 | DirtyFlag_Texture7;
const u32 dirtySamplers = DirtyFlag_Sampler0 | DirtyFlag_Sampler1 | DirtyFlag_Sampler2 | DirtyFlag_Sampler3
| DirtyFlag_Sampler4 | DirtyFlag_Sampler5 | DirtyFlag_Sampler6 | DirtyFlag_Sampler7;
const u32 dirtyConstants = DirtyFlag_PixelConstants | DirtyFlag_VertexConstants | DirtyFlag_GeometryConstants;
const u32 dirtyShaders = DirtyFlag_PixelShader | DirtyFlag_VertexShader | DirtyFlag_GeometryShader;
const u32 dirtyBuffers = DirtyFlag_VertexBuffer | DirtyFlag_IndexBuffer;
unsigned long textureMaskShift;
_BitScanForward(&textureMaskShift, DirtyFlag_Texture0);
if (m_dirtyFlags & dirtyConstants)
unsigned long samplerMaskShift;
_BitScanForward(&samplerMaskShift, DirtyFlag_Sampler0);
u32 dirtyTextures = (m_dirtyFlags & (DirtyFlag_Texture0 | DirtyFlag_Texture1 | DirtyFlag_Texture2 | DirtyFlag_Texture3
| DirtyFlag_Texture4 | DirtyFlag_Texture5 | DirtyFlag_Texture6 | DirtyFlag_Texture7)) >> textureMaskShift;
u32 dirtySamplers = (m_dirtyFlags & (DirtyFlag_Sampler0 | DirtyFlag_Sampler1 | DirtyFlag_Sampler2 | DirtyFlag_Sampler3
| DirtyFlag_Sampler4 | DirtyFlag_Sampler5 | DirtyFlag_Sampler6 | DirtyFlag_Sampler7)) >> samplerMaskShift;
u32 dirtyConstants = m_dirtyFlags & (DirtyFlag_PixelConstants | DirtyFlag_VertexConstants | DirtyFlag_GeometryConstants);
u32 dirtyShaders = m_dirtyFlags & (DirtyFlag_PixelShader | DirtyFlag_VertexShader | DirtyFlag_GeometryShader);
u32 dirtyBuffers = m_dirtyFlags & (DirtyFlag_VertexBuffer | DirtyFlag_IndexBuffer);
if (dirtyConstants)
{
if (m_current.pixelConstants[0] != m_pending.pixelConstants[0] ||
m_current.pixelConstants[1] != m_pending.pixelConstants[1])
@ -118,7 +124,7 @@ void StateManager::Apply()
}
}
if (m_dirtyFlags & (dirtyBuffers|DirtyFlag_InputAssembler))
if (dirtyBuffers || (m_dirtyFlags & DirtyFlag_InputAssembler))
{
if (m_current.vertexBuffer != m_pending.vertexBuffer ||
m_current.vertexBufferStride != m_pending.vertexBufferStride ||
@ -149,33 +155,35 @@ void StateManager::Apply()
}
}
if (m_dirtyFlags & dirtyTextures)
while (dirtyTextures)
{
for (int i = 0; i < 8; ++i)
unsigned long index;
_BitScanForward(&index, dirtyTextures);
if (m_current.textures[index] != m_pending.textures[index])
{
// TODO: bit scan through dirty flags
if (m_current.textures[i] != m_pending.textures[i])
{
D3D::context->PSSetShaderResources(i, 1, &m_pending.textures[i]);
m_current.textures[i] = m_pending.textures[i];
}
D3D::context->PSSetShaderResources(index, 1, &m_pending.textures[index]);
m_current.textures[index] = m_pending.textures[index];
}
dirtyTextures &= ~(1 << index);
}
if (m_dirtyFlags & dirtySamplers)
while (dirtySamplers)
{
for (int i = 0; i < 8; ++i)
unsigned long index;
_BitScanForward(&index, dirtySamplers);
if (m_current.samplers[index] != m_pending.samplers[index])
{
// TODO: bit scan through dirty flags
if (m_current.samplers[i] != m_pending.samplers[i])
{
D3D::context->PSSetSamplers(i, 1, &m_pending.samplers[i]);
m_current.samplers[i] = m_pending.samplers[i];
}
D3D::context->PSSetSamplers(index, 1, &m_pending.samplers[index]);
m_current.samplers[index] = m_pending.samplers[index];
}
dirtySamplers &= ~(1 << index);
}
if (m_dirtyFlags & dirtyShaders)
if (dirtyShaders)
{
if (m_current.pixelShader != m_pending.pixelShader)
{