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softgpu: Change framebuffer writes to act on actual 16 bit pixels if that's the framebuffer format.

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This commit is contained in:
Tony Wasserka 2013-07-23 22:21:38 +02:00 committed by neobrain
parent 917dc276dc
commit f35e085859
2 changed files with 8 additions and 9 deletions
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15
GPU/Software/Rasterizer.cpp
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@ -183,13 +183,13 @@ static inline u32 GetPixelColor(int x, int y)
{
switch (gstate.FrameBufFormat()) {
case GE_FORMAT_565:
return DecodeRGB565(*(u16*)&fb[4*x + 4*y*gstate.FrameBufStride()]);
return DecodeRGB565(*(u16*)&fb[2*x + 2*y*gstate.FrameBufStride()]);
case GE_FORMAT_5551:
return DecodeRGBA5551(*(u16*)&fb[4*x + 4*y*gstate.FrameBufStride()]);
return DecodeRGBA5551(*(u16*)&fb[2*x + 2*y*gstate.FrameBufStride()]);
case GE_FORMAT_4444:
return DecodeRGBA4444(*(u16*)&fb[4*x + 4*y*gstate.FrameBufStride()]);
return DecodeRGBA4444(*(u16*)&fb[2*x + 2*y*gstate.FrameBufStride()]);
case GE_FORMAT_8888:
return *(u32*)&fb[4*x + 4*y*gstate.FrameBufStride()];
@ -201,15 +201,15 @@ static inline void SetPixelColor(int x, int y, u32 value)
{
switch (gstate.FrameBufFormat()) {
case GE_FORMAT_565:
*(u16*)&fb[4*x + 4*y*gstate.FrameBufStride()] = RGBA8888To565(value);
*(u16*)&fb[2*x + 2*y*gstate.FrameBufStride()] = RGBA8888To565(value);
break;
case GE_FORMAT_5551:
*(u16*)&fb[4*x + 4*y*gstate.FrameBufStride()] = RGBA8888To5551(value);
*(u16*)&fb[2*x + 2*y*gstate.FrameBufStride()] = RGBA8888To5551(value);
break;
case GE_FORMAT_4444:
*(u16*)&fb[4*x + 4*y*gstate.FrameBufStride()] = RGBA8888To4444(value);
*(u16*)&fb[2*x + 2*y*gstate.FrameBufStride()] = RGBA8888To4444(value);
break;
case GE_FORMAT_8888:
@ -561,9 +561,8 @@ void DrawTriangle(const VertexData& v0, const VertexData& v1, const VertexData&
if (gstate.isDepthWriteEnabled() || ((gstate.clearmode&0x40) && gstate.isModeClear()))
SetPixelDepth(p.x, p.y, z);
}
Vec4<int> dst = Vec4<int>::FromRGBA(GetPixelColor(p.x, p.y));
if (gstate.isAlphaBlendEnabled() && !gstate.isModeClear()) {
Vec4<int> dst = Vec4<int>::FromRGBA(GetPixelColor(p.x, p.y));
Vec3<int> srccol(0, 0, 0);
Vec3<int> dstcol(0, 0, 0);

2
GPU/Software/SoftGpu.cpp
View File

@ -165,7 +165,7 @@ void CopyToCurrentFboFromRam(u8* data, int srcwidth, int srcheight, int dstwidth
u32* buf = new u32[srcwidth*srcheight];
for (int y = 0; y < srcheight; ++y) {
for (int x = 0; x < srcwidth; ++x) {
u16 src = *(u16*)&fb[4*x + 4*y*gstate.FrameBufStride()];
u16 src = *(u16*)&fb[2*x + 2*y*gstate.FrameBufStride()];
if (gstate.FrameBufFormat() == GE_FORMAT_565)
buf[x+y*srcwidth] = DecodeRGB565(src);