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zfreeze: fix 2-component positions

This commit is contained in:
Tillmann Karras 2015-05-29 13:43:12 +02:00
parent 6ff3fcee59
commit 4943b36259
1 changed files with 9 additions and 3 deletions
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12
Source/Core/VideoCommon/VertexManagerBase.cpp
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@ -284,13 +284,16 @@ void VertexManager::CalculateZSlope(NativeVertexFormat* format)
float viewOffset[2] = { xfmem.viewport.xOrig - bpmem.scissorOffset.x * 2,
xfmem.viewport.yOrig - bpmem.scissorOffset.y * 2};
if (current_primitive_type != PRIMITIVE_TRIANGLES)
return;
// Global matrix ID.
u32 mtxIdx = g_main_cp_state.matrix_index_a.PosNormalMtxIdx;
const PortableVertexDeclaration vert_decl = format->GetVertexDeclaration();
size_t posOff = vert_decl.position.offset;
size_t mtxOff = vert_decl.posmtx.offset;
// Make sure the buffer contains at lest 3 vertices.
// Make sure the buffer contains at least 3 vertices.
if ((s_pCurBufferPointer - s_pBaseBufferPointer) < (vert_decl.stride * 3))
return;
@ -302,10 +305,13 @@ void VertexManager::CalculateZSlope(NativeVertexFormat* format)
u8* vtx_ptr = s_pCurBufferPointer - vert_decl.stride * (3 - i);
vtx[0 + i * 3] = ((float*)(vtx_ptr + posOff))[0];
vtx[1 + i * 3] = ((float*)(vtx_ptr + posOff))[1];
vtx[2 + i * 3] = ((float*)(vtx_ptr + posOff))[2];
if (vert_decl.position.components == 3)
vtx[2 + i * 3] = ((float*)(vtx_ptr + posOff))[2];
else
vtx[2 + i * 3] = 0;
// If this vertex format has per-vertex position matrix IDs, look it up.
if(vert_decl.posmtx.enable)
if (vert_decl.posmtx.enable)
mtxIdx = *((u32*)(vtx_ptr + mtxOff));
VertexShaderManager::TransformToClipSpace(&vtx[i * 3], &out[i * 4], mtxIdx);