preserve-emulation/ppsspp
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Initial stab at tracking vertex alpha.

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Not sure what efficient method to use on x86...
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Unknown W. Brackets committed 2014-03-24 01:26:55 -07:00
1 parent 893a719c4e
commit 61f5d3d360
4 files changed
+75 -9
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GPU/GLES/VertexDecoder.cpp
+9
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@@ -219,6 +219,7 @@ void VertexDecoder::Step_Color565() const
c[1] = Convert6To8((cdata>>5) & 0x3f);
c[2] = Convert5To8((cdata>>11) & 0x1f);
c[3] = 255;
// Always full alpha.
}
void VertexDecoder::Step_Color5551() const
@@ -229,6 +230,7 @@ void VertexDecoder::Step_Color5551() const
c[1] = Convert5To8((cdata>>5) & 0x1f);
c[2] = Convert5To8((cdata>>10) & 0x1f);
c[3] = (cdata >> 15) ? 255 : 0;
gstate_c.vertexFullAlpha = gstate_c.vertexFullAlpha && c[3] != 0;
}
void VertexDecoder::Step_Color4444() const
@@ -237,6 +239,7 @@ void VertexDecoder::Step_Color4444() const
u16 cdata = *(u16*)(ptr_ + coloff);
for (int j = 0; j < 4; j++)
c[j] = Convert4To8((cdata >> (j * 4)) & 0xF);
gstate_c.vertexFullAlpha = gstate_c.vertexFullAlpha && c[3] == 255;
}
void VertexDecoder::Step_Color8888() const
@@ -244,6 +247,7 @@ void VertexDecoder::Step_Color8888() const
u8 *c = decoded_ + decFmt.c0off;
const u8 *cdata = (const u8*)(ptr_ + coloff);
memcpy(c, cdata, sizeof(u8) * 4);
gstate_c.vertexFullAlpha = gstate_c.vertexFullAlpha && c[3] == 255;
}
void VertexDecoder::Step_Color565Morph() const
@@ -262,6 +266,7 @@ void VertexDecoder::Step_Color565Morph() const
c[i] = (u8)col[i];
}
c[3] = 255;
// Always full alpha.
}
void VertexDecoder::Step_Color5551Morph() const
@@ -280,6 +285,7 @@ void VertexDecoder::Step_Color5551Morph() const
for (int i = 0; i < 4; i++) {
c[i] = (u8)col[i];
}
gstate_c.vertexFullAlpha = gstate_c.vertexFullAlpha && c[3] == 255;
}
void VertexDecoder::Step_Color4444Morph() const
@@ -296,6 +302,7 @@ void VertexDecoder::Step_Color4444Morph() const
for (int i = 0; i < 4; i++) {
c[i] = (u8)col[i];
}
gstate_c.vertexFullAlpha = gstate_c.vertexFullAlpha && c[3] == 255;
}
void VertexDecoder::Step_Color8888Morph() const
@@ -312,6 +319,7 @@ void VertexDecoder::Step_Color8888Morph() const
for (int i = 0; i < 4; i++) {
c[i] = (u8)(col[i]);
}
gstate_c.vertexFullAlpha = gstate_c.vertexFullAlpha && c[3] == 255;
}
void VertexDecoder::Step_NormalS8() const
@@ -841,6 +849,7 @@ void VertexDecoder::DecodeVerts(u8 *decodedptr, const void *verts, int indexLowe
jitted_(ptr_, decoded_, count);
} else {
// Interpret the decode steps
// TODO: Init gstate_c.vertexFullAlpha here? Or in Setup? When is it reset?
for (; count; count--) {
for (int i = 0; i < numSteps_; i++) {
((*this).*steps_[i])();