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TINYGL: Refactored if-else sequence with progressive function calls.

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This commit is contained in:
Stefano Musumeci 2014-08-13 22:38:24 +02:00
parent 0be18788db
commit f9332da316
2 changed files with 40 additions and 45 deletions
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9
graphics/tinygl/zbuffer.h
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@ -352,6 +352,15 @@ struct FrameBuffer {
template <bool kInterpRGB, bool kInterpZ, bool kInterpST, bool kInterpSTZ, int kDrawLogic, bool kDepthWrite, bool enableAlphaTest, bool kEnableScissor, bool enableBlending>
void fillTriangle(ZBufferPoint *p0, ZBufferPoint *p1, ZBufferPoint *p2);
template <bool kInterpRGB, bool kInterpZ, bool kInterpST, bool kInterpSTZ, int kDrawMode, bool kDepthWrite, bool enableAlphaTest, bool kEnableScissor>
void fillTriangle(ZBufferPoint *p0, ZBufferPoint *p1, ZBufferPoint *p2);
template <bool kInterpRGB, bool kInterpZ, bool kInterpST, bool kInterpSTZ, int kDrawMode, bool kDepthWrite, bool enableAlphaTest>
void fillTriangle(ZBufferPoint *p0, ZBufferPoint *p1, ZBufferPoint *p2);
template <bool kInterpRGB, bool kInterpZ, bool kInterpST, bool kInterpSTZ, int kDrawMode, bool kDepthWrite>
void fillTriangle(ZBufferPoint *p0, ZBufferPoint *p1, ZBufferPoint *p2);
template <bool kInterpRGB, bool kInterpZ, bool kInterpST, bool kInterpSTZ, int kDrawMode>
void fillTriangle(ZBufferPoint *p0, ZBufferPoint *p1, ZBufferPoint *p2);

76
graphics/tinygl/ztriangle.cpp
View File

@ -624,54 +624,40 @@ void FrameBuffer::fillTriangle(ZBufferPoint *p0, ZBufferPoint *p1, ZBufferPoint
}
}
template <bool kInterpRGB, bool kInterpZ, bool kInterpST, bool kInterpSTZ, int kDrawMode>
template <bool kInterpRGB, bool kInterpZ, bool kInterpST, bool kInterpSTZ, int kDrawMode, bool kDepthWrite, bool kEnableAlphaTest, bool kEnableScissor>
void FrameBuffer::fillTriangle(ZBufferPoint *p0, ZBufferPoint *p1, ZBufferPoint *p2) {
if (_blendingEnabled) {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, kDepthWrite, kEnableAlphaTest, kEnableScissor, true>(p0, p1, p2);
} else {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, kDepthWrite, kEnableAlphaTest, kEnableScissor, false>(p0, p1, p2);
}
}
template <bool kInterpRGB, bool kInterpZ, bool kInterpST, bool kInterpSTZ, int kDrawMode, bool kDepthWrite, bool kEnableAlphaTest>
void FrameBuffer::fillTriangle(ZBufferPoint *p0, ZBufferPoint *p1, ZBufferPoint *p2) {
bool enableScissor = _clipRectangle.left != 0 || _clipRectangle.right != xsize || _clipRectangle.top != 0 || _clipRectangle.bottom != ysize;
if (_depthWrite) {
if (enableScissor) {
if (_alphaTestEnabled) {
if (_blendingEnabled) {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, true, true, true, true>(p0, p1, p2);
} else {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, true, true, true, false>(p0, p1, p2);
}
} else {
if (_blendingEnabled) {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, true, true, false, true>(p0, p1, p2);
} else {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, true, true, false, false>(p0, p1, p2);
}
}
} else {
if (_blendingEnabled) {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, true, false, false, true>(p0, p1, p2);
} else {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, true, false, false, false>(p0, p1, p2);
}
}
if (enableScissor) {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, kDepthWrite, kEnableAlphaTest, true>(p0, p1, p2);
} else {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, kDepthWrite, kEnableAlphaTest, false>(p0, p1, p2);
}
else {
if (enableScissor) {
if (_alphaTestEnabled) {
if (_blendingEnabled) {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, false, true, true, true>(p0, p1, p2);
} else {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, false, true, true, false>(p0, p1, p2);
}
} else {
if (_blendingEnabled) {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, false, true, false, true>(p0, p1, p2);
} else {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, false, true, false, false>(p0, p1, p2);
}
}
} else {
if (_blendingEnabled) {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, false, false, false, true>(p0, p1, p2);
} else {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, false, false, false, false>(p0, p1, p2);
}
}
}
template <bool kInterpRGB, bool kInterpZ, bool kInterpST, bool kInterpSTZ, int kDrawMode, bool kDepthWrite>
void FrameBuffer::fillTriangle(ZBufferPoint *p0, ZBufferPoint *p1, ZBufferPoint *p2) {
if (_alphaTestEnabled) {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, kDepthWrite, true>(p0, p1, p2);
} else {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, kDepthWrite, false>(p0, p1, p2);
}
}
template <bool kInterpRGB, bool kInterpZ, bool kInterpST, bool kInterpSTZ, int kDrawMode>
void FrameBuffer::fillTriangle(ZBufferPoint *p0, ZBufferPoint *p1, ZBufferPoint *p2) {
if (_depthWrite) {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, true>(p0, p1, p2);
} else {
fillTriangle<kInterpRGB, kInterpZ, kInterpST, kInterpSTZ, kDrawMode, false>(p0, p1, p2);
}
}