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removed some unneeded code

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GPF 2024-10-15 12:04:17 -07:00
parent 4adf11543b
commit b44dddbaff
1 changed files with 4 additions and 43 deletions
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47
GL/texture.c
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@ -2213,51 +2213,12 @@ void APIENTRY glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint y
FASTCPY(targetData, conversionBuffer, destBytes);
free(conversionBuffer);
// printf("Freed conversionBuffer\n");
} else {
// No conversion necessary, we can update data directly
GLboolean fullUpdate = (xoffset == 0 && yoffset == 0 && width == textureWidth && height == textureHeight);
if (fullUpdate) {
// If it's a full texture update, we can simply copy all the data at once
FASTCPY(targetData, data, srcBytes);
} else {
// For partial updates, copy row by row
for (GLsizei y = 0; y < height; ++y) {
GLsizei srcRowWidth = width * sourceStride;
GLubyte* destRow = targetData + ((y + yoffset) * textureWidth + xoffset) * destStride;
FASTCPY(destRow, (GLubyte*)data + y * srcRowWidth, srcRowWidth);
}
// Clear any remaining parts of the texture
if (xoffset > 0 || yoffset > 0 || width < textureWidth || height < textureHeight) {
GLubyte* clearBuffer = (GLubyte*) memalign(32, destBytes);
memset(clearBuffer, 0, destBytes);
// Clear left and right sides
for (GLsizei y = 0; y < textureHeight; ++y) {
if (xoffset > 0) {
FASTCPY(targetData + y * textureWidth * destStride, clearBuffer, xoffset * destStride);
}
if (xoffset + width < textureWidth) {
FASTCPY(targetData + (y * textureWidth + xoffset + width) * destStride,
clearBuffer,
(textureWidth - (xoffset + width)) * destStride);
}
}
// Clear top and bottom
if (yoffset > 0) {
FASTCPY(targetData, clearBuffer, yoffset * textureWidth * destStride);
}
if (yoffset + height < textureHeight) {
FASTCPY(targetData + ((yoffset + height) * textureWidth) * destStride,
clearBuffer,
(textureHeight - (yoffset + height)) * textureWidth * destStride);
}
free(clearBuffer);
}
for (GLsizei y = 0; y < height; ++y) {
GLsizei srcRowWidth = width * sourceStride;
GLubyte* destRow = targetData + ((y + yoffset) * textureWidth + xoffset) * destStride;
FASTCPY(destRow, (GLubyte*)data + y * srcRowWidth, srcRowWidth);
}
}