GLuint DepalShaderCache::GetClutTexture(const u32 clutID, u32 *rawClut) {
GEPaletteFormat palFormat = gstate.getClutPaletteFormat();
const u32 realClutID = clutID ^ palFormat;
auto oldtex = texCache_.find(realClutID);
if (oldtex != texCache_.end()) {
return oldtex->second->texture;
}
GLuint dstFmt = getClutDestFormat(palFormat);
int texturePixels = palFormat == GE_CMODE_32BIT_ABGR8888 ? 256 : 512;
bool useBGRA = UseBGRA8888() && dstFmt == GL_UNSIGNED_BYTE;
DepalTexture *tex = new DepalTexture();
glGenTextures(1, &tex->texture);
glBindTexture(GL_TEXTURE_2D, tex->texture);
GLuint components = dstFmt == GL_UNSIGNED_SHORT_5_6_5 ? GL_RGB : GL_RGBA;
GLuint components2 = components;
#if defined(MAY_HAVE_GLES3)
if (useBGRA) {
components2 = GL_BGRA_EXT;
}
#endif
glTexImage2D(GL_TEXTURE_2D, 0, components, texturePixels, 1, 0, components2, dstFmt, (void *)rawClut);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
texCache_[realClutID] = tex;
return tex->texture;
}
GLuint DepalShaderCacheGLES::GetClutTexture(GEPaletteFormat clutFormat, const u32 clutID, u32 *rawClut) {
const u32 realClutID = clutID ^ clutFormat;
auto oldtex = texCache_.find(realClutID);
if (oldtex != texCache_.end()) {
oldtex->second->lastFrame = gpuStats.numFlips;
return oldtex->second->texture;
}
GLuint dstFmt = getClutDestFormat(clutFormat);
int texturePixels = clutFormat == GE_CMODE_32BIT_ABGR8888 ? 256 : 512;
DepalTexture *tex = new DepalTexture();
glGenTextures(1, &tex->texture);
glBindTexture(GL_TEXTURE_2D, tex->texture);
GLuint components = dstFmt == GL_UNSIGNED_SHORT_5_6_5 ? GL_RGB : GL_RGBA;
GLuint components2 = components;
glTexImage2D(GL_TEXTURE_2D, 0, components, texturePixels, 1, 0, components2, dstFmt, (void *)rawClut);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
tex->lastFrame = gpuStats.numFlips;
texCache_[realClutID] = tex;
return tex->texture;
}
