Clean up blending code a bit.

This commit is contained in:
NeoBrainX 2013-03-28 22:59:42 +01:00
parent 8a33d49de2
commit c10d9ea87a
4 changed files with 25 additions and 15 deletions

View File

@ -621,6 +621,17 @@ union X10Y10
// Framebuffer/pixel stuff (incl fog)
#define GX_BL_ZERO 0
#define GX_BL_ONE 1
#define GX_BL_SRCCLR 2 // for dst factor
#define GX_BL_INVSRCCLR 3 // for dst factor
#define GX_BL_SRCALPHA 4
#define GX_BL_INVSRCALPHA 5
#define GX_BL_DSTALPHA 6
#define GX_BL_INVDSTALPHA 7
#define GX_BL_DSTCLR GX_BL_SRCCLR // for src factor
#define GX_BL_INVDSTCLR GX_BL_INVSRCCLR // for src factor
union BlendMode
{
struct

View File

@ -715,12 +715,12 @@ void Renderer::SetBlendMode(bool forceUpdate)
if (bpmem.blendmode.logicopenable && !forceUpdate)
return;
if (bpmem.blendmode.subtract) // enable blending src 1 dst 1
if (bpmem.blendmode.subtract)
{
gx_state.blenddc.RenderTarget[0].BlendEnable = true;
SetBlendOp(D3D11_BLEND_OP_REV_SUBTRACT);
SetSrcBlend(d3dSrcFactors[1]);
SetDestBlend(d3dDestFactors[1]);
SetSrcBlend(D3D11_BLEND_ONE);
SetDestBlend(D3D11_BLEND_ONE);
}
else
{

View File

@ -691,8 +691,8 @@ void Renderer::SetBlendMode(bool forceUpdate)
{
D3D::SetRenderState(D3DRS_ALPHABLENDENABLE, true);
D3D::SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_REVSUBTRACT);
D3D::SetRenderState(D3DRS_SRCBLEND, d3dSrcFactors[1]);
D3D::SetRenderState(D3DRS_DESTBLEND, d3dDestFactors[1]);
D3D::SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
D3D::SetRenderState(D3DRS_DESTBLEND, D3DBLEND_ONE);
}
else
{

View File

@ -1008,23 +1008,22 @@ void Renderer::SetBlendMode(bool forceUpdate)
u32 dstidx = (newval >> 6) & 7;
GLenum srcFactor = glSrcFactors[srcidx];
GLenum dstFactor = glDestFactors[dstidx];
// adjust alpha factors
if (useDualSource)
{
srcidx = 1;
dstidx = 0;
srcidx = GX_BL_ONE;
dstidx = GX_BL_ZERO;
}
else
{
// we can't use GL_DST_COLOR or GL_ONE_MINUS_DST_COLOR for source in alpha channel so use their alpha equivalent instead
if (srcidx == 2 || srcidx == 3)
{
srcidx += 4;
}
if (srcidx == GX_BL_DSTCLR) srcidx = GX_BL_DSTALPHA;
if (srcidx == GX_BL_INVDSTCLR) srcidx = GX_BL_INVDSTALPHA;
// we can't use GL_SRC_COLOR or GL_ONE_MINUS_SRC_COLOR for destination in alpha channel so use their alpha equivalent instead
if (dstidx == 2 || dstidx == 3)
{
dstidx += 2;
}
if (dstidx == GX_BL_SRCCLR) dstidx = GX_BL_SRCALPHA;
if (dstidx == GX_BL_INVSRCCLR) dstidx = GX_BL_INVSRCALPHA;
}
GLenum srcFactorAlpha = glSrcFactors[srcidx];
GLenum dstFactorAlpha = glDestFactors[dstidx];