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TINYGL: Refactored zTriangleFill texture access code.

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This commit is contained in:
Stefano Musumeci 2014-06-12 13:40:12 +02:00
parent f9438a5e3c
commit 10c4d6d4f5
1 changed files with 15 additions and 2 deletions
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17
graphics/tinygl/ztriangle.cpp
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@ -352,6 +352,7 @@ void ZB_fillTriangleMappingPerspective(ZBuffer *zb, ZBufferPoint *p0, ZBufferPoi
Graphics::PixelBuffer buf = zb->pbuf;
buf = pp1 + x1 * PSZB;
Graphics::PixelFormat textureFormat = texture.getFormat();
pz = pz1 + x1;
z = z1;
@ -380,7 +381,12 @@ void ZB_fillTriangleMappingPerspective(ZBuffer *zb, ZBufferPoint *p0, ZBufferPoi
int pixel = ((ttt | sss) >> 1) ;
uint8 alpha, c_r, c_g, c_b;
texture.getARGBAt(pixel, alpha, c_r, c_g, c_b);
uint32 *textureBuffer = (uint32 *)texture.getRawBuffer(pixel);
uint32 col = *textureBuffer;
alpha = (col >> textureFormat.aShift) & 0xFF;
c_r = (col >> textureFormat.rShift) & 0xFF;
c_g = (col >> textureFormat.gShift) & 0xFF;
c_b = (col >> textureFormat.bShift) & 0xFF;
if (alpha == 0xFF) {
tmp = rgb & 0xF81F07E0;
unsigned int light = tmp | (tmp >> 16);
@ -417,6 +423,8 @@ void ZB_fillTriangleMappingPerspective(ZBuffer *zb, ZBufferPoint *p0, ZBufferPoi
dtdx = (int)((dtzdx - tt * fdzdx) * zinv);
}
int bytePerPixel = texture.getFormat().bytesPerPixel;
while (n >= 0) {
{
if (ZCMP(z, pz[0])) {
@ -425,7 +433,12 @@ void ZB_fillTriangleMappingPerspective(ZBuffer *zb, ZBufferPoint *p0, ZBufferPoi
int pixel = ((ttt | sss) >> 1) ;
uint8 alpha, c_r, c_g, c_b;
texture.getARGBAt(pixel, alpha, c_r, c_g, c_b);
uint32 *textureBuffer = (uint32 *)texture.getRawBuffer(pixel);
uint32 col = *textureBuffer;
alpha = (col >> textureFormat.aShift) & 0xFF;
c_r = (col >> textureFormat.rShift) & 0xFF;
c_g = (col >> textureFormat.gShift) & 0xFF;
c_b = (col >> textureFormat.bShift) & 0xFF;
if (alpha == 0xFF) {
tmp = rgb & 0xF81F07E0;
unsigned int light = tmp | (tmp >> 16);