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Move Zfreeze code out individual backends into videoCommon

Browse Source 
Also:
 * Implement support for per-vertex PosMatrixIndex
 * Only update zslope constant once when zfreeze is activated.
 * Added a bunch of comments.
This commit is contained in:
Scott Mansell
2015-01-24 03:15:09 +13:00
parent daf760b202
commit 5510c86b81
10 changed files with 59 additions and 40 deletions
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10
Source/Core/VideoBackends/OGL/VertexManager.cpp
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@ -89,9 +89,6 @@ void VertexManager::ResetBuffer(u32 stride)
buffer = s_indexBuffer->Map(MAXIBUFFERSIZE * sizeof(u16));
IndexGenerator::Start((u16*)buffer.first);
s_index_offset = buffer.second;
if (bpmem.genMode.zfreeze)
PixelShaderManager::SetZSlope(ZSlope.dfdx, ZSlope.dfdy, ZSlope.f0);
}
void VertexManager::Draw(u32 stride)
@ -143,13 +140,6 @@ void VertexManager::vFlush(bool useDstAlpha)
PrepareDrawBuffers(stride);
if (!bpmem.genMode.zfreeze)
CalculateZSlope(stride);
// If cull mode is CULL_ALL, do not render these triangles
if (bpmem.genMode.cullmode == GenMode::CULL_ALL && current_primitive_type == PRIMITIVE_TRIANGLES)
return;
// Makes sure we can actually do Dual source blending
bool dualSourcePossible = g_ActiveConfig.backend_info.bSupportsDualSourceBlend;