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Only initialize the texture buffer with zeros if it's a partial update

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GPF 2024-10-15 12:11:17 -07:00
parent b44dddbaff
commit 553f6016f3
1 changed files with 5 additions and 3 deletions
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8
GL/texture.c
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@ -2160,9 +2160,11 @@ void APIENTRY glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint y
bool pack = (needs_conversion & CONVERSION_TYPE_PACK) == CONVERSION_TYPE_PACK;
needs_conversion &= ~CONVERSION_TYPE_PACK;
// Initialize the entire buffer with zeros
memset(conversionBuffer, 0, destBytes);
// Only initialize the buffer with zeros if it's a partial update
if (xoffset != 0 || yoffset != 0 || width != textureWidth || height != textureHeight) {
memset(conversionBuffer, 0, destBytes);
}
// printf("Conversion type: %d, pack: %s\n", needs_conversion, pack ? "true" : "false");
if (needs_conversion == CONVERSION_TYPE_CONVERT) {
// printf("Performing conversion\n");
for (uint32_t y = 0; y < height; ++y) {