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SoftRasterizer: 

- Minor tweaks and code cleanup.
This commit is contained in:
rogerman 2015-07-31 05:54:27 +00:00
parent e41857fa82
commit 8c68f22165
1 changed files with 40 additions and 35 deletions
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55
desmume/src/rasterize.cpp
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@ -310,36 +310,25 @@ FORCEINLINE int edge_fx_fl::Step() {
static FORCEINLINE void alphaBlend(FragmentColor & dst, const FragmentColor & src) static FORCEINLINE void alphaBlend(FragmentColor &dst, const FragmentColor src)
{
if(gfx3d.renderState.enableAlphaBlending)
{
if(src.a == 31 || dst.a == 0)
{
dst = src;
}
//else if(src.a == 0) { } //this is not necessary since it was handled earlier
else
{
u8 alpha = src.a+1;
u8 invAlpha = 32 - alpha;
dst.r = (alpha*src.r + invAlpha*dst.r)>>5;
dst.g = (alpha*src.g + invAlpha*dst.g)>>5;
dst.b = (alpha*src.b + invAlpha*dst.b)>>5;
}
dst.a = max(src.a,dst.a);
}
else
{ {
if (src.a == 0) if (src.a == 0)
{ {
//do nothing; the fragment is totally transparent return;
} }
else
if (src.a == 31 || dst.a == 0 || !gfx3d.renderState.enableAlphaBlending)
{ {
dst = src; dst = src;
} }
else
{
const u8 alpha = src.a + 1;
const u8 invAlpha = 32 - alpha;
dst.r = (alpha*src.r + invAlpha*dst.r) >> 5;
dst.g = (alpha*src.g + invAlpha*dst.g) >> 5;
dst.b = (alpha*src.b + invAlpha*dst.b) >> 5;
dst.a = max(src.a, dst.a);
} }
} }
@ -1646,8 +1635,8 @@ Render3DError SoftRasterizerRenderer::UpdateEdgeMarkColorTable(const u16 *edgeMa
//we can do this by rendering a 3d frame and then freezing the system, but only changing the edge mark colors //we can do this by rendering a 3d frame and then freezing the system, but only changing the edge mark colors
for (size_t i = 0; i < 8; i++) for (size_t i = 0; i < 8; i++)
{ {
u16 col = edgeMarkColorTable[i]; const u16 col = edgeMarkColorTable[i];
this->edgeMarkTable[i].color = RGB15TO5555(col, (this->currentRenderState->enableAntialiasing) ? 0x0F : 0x1F); this->edgeMarkTable[i].color = RGB15TO5555(col, (this->currentRenderState->enableAntialiasing) ? 0x10 : 0x1F);
this->edgeMarkTable[i].r = GFX3D_5TO6(this->edgeMarkTable[i].r); this->edgeMarkTable[i].r = GFX3D_5TO6(this->edgeMarkTable[i].r);
this->edgeMarkTable[i].g = GFX3D_5TO6(this->edgeMarkTable[i].g); this->edgeMarkTable[i].g = GFX3D_5TO6(this->edgeMarkTable[i].g);
this->edgeMarkTable[i].b = GFX3D_5TO6(this->edgeMarkTable[i].b); this->edgeMarkTable[i].b = GFX3D_5TO6(this->edgeMarkTable[i].b);
@ -2047,6 +2036,22 @@ Render3DError SoftRasterizerRenderer::SetFramebufferSize(size_t w, size_t h)
this->_framebufferColor = newFramebufferColor; this->_framebufferColor = newFramebufferColor;
this->_framebufferAttributes = newFramebufferAttributes; this->_framebufferAttributes = newFramebufferAttributes;
if (rasterizerCores == 0 || rasterizerCores == 1)
{
postprocessParam[0].startLine = 0;
postprocessParam[0].endLine = h;
}
else
{
const size_t linesPerThread = h / rasterizerCores;
for (size_t i = 0; i < rasterizerCores; i++)
{
postprocessParam[i].startLine = i * linesPerThread;
postprocessParam[i].endLine = (i < rasterizerCores - 1) ? (i + 1) * linesPerThread : h;
}
}
free_aligned(oldFramebufferColor); free_aligned(oldFramebufferColor);
delete oldFramebufferAttributes; delete oldFramebufferAttributes;