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Clean up texture functions.

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This commit is contained in:
Steveice10 2017-07-15 12:33:45 -07:00
parent 0ee9186eae
commit edf6a20618
1 changed files with 19 additions and 44 deletions
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63
source/core/screen.c
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@ -328,8 +328,11 @@ u32 screen_allocate_free_texture() {
return id;
}
static void screen_prepare_texture(u32* pow2SizeOut, u32* pow2WidthOut, u32* pow2HeightOut, u32* pixelSizeOut, u32 id, u32 size, u32 width, u32 height, GPU_TEXCOLOR format, bool linearFilter) {
u32 pixelSize = size / width / height;
static void screen_prepare_texture(u32* pow2WidthOut, u32* pow2HeightOut, u32 id, u32 width, u32 height, GPU_TEXCOLOR format, bool linearFilter) {
if(id >= MAX_TEXTURES) {
util_panic("Attempted to prepare invalid texture ID \"%lu\".", id);
return;
}
u32 pow2Width = screen_next_pow_2(width);
if(pow2Width < 64) {
@ -341,9 +344,7 @@ static void screen_prepare_texture(u32* pow2SizeOut, u32* pow2WidthOut, u32* pow
pow2Height = 64;
}
u32 pow2Size = pow2Width * pow2Height * pixelSize;
if(textures[id].tex.data != NULL && (textures[id].tex.size != pow2Size || textures[id].tex.width != pow2Width || textures[id].tex.height != pow2Height || textures[id].tex.fmt != format)) {
if(textures[id].tex.data != NULL && (textures[id].tex.width != pow2Width || textures[id].tex.height != pow2Height || textures[id].tex.fmt != format)) {
C3D_TexDelete(&textures[id].tex);
}
@ -358,10 +359,6 @@ static void screen_prepare_texture(u32* pow2SizeOut, u32* pow2WidthOut, u32* pow
textures[id].width = width;
textures[id].height = height;
if(pow2SizeOut != NULL) {
*pow2SizeOut = pow2Size;
}
if(pow2WidthOut != NULL) {
*pow2WidthOut = pow2Width;
}
@ -369,66 +366,44 @@ static void screen_prepare_texture(u32* pow2SizeOut, u32* pow2WidthOut, u32* pow
if(pow2HeightOut != NULL) {
*pow2HeightOut = pow2Height;
}
if(pixelSizeOut != NULL) {
*pixelSizeOut = pixelSize;
}
}
void screen_load_texture_tiled(u32 id, void* data, u32 size, u32 width, u32 height, GPU_TEXCOLOR format, bool linearFilter) {
if(id >= MAX_TEXTURES) {
util_panic("Attempted to load tiled data to invalid texture ID \"%lu\".", id);
return;
}
u32 pow2Width = 0;
u32 pow2Height = 0;
u32 pow2Size = 0;
u32 pixelSize = 0;
screen_prepare_texture(&pow2Size, &pow2Width, &pow2Height, &pixelSize, id, size, width, height, format, linearFilter);
screen_prepare_texture(&pow2Width, &pow2Height, id, width, height, format, linearFilter);
if(width != pow2Width || height != pow2Height) {
memset(textures[id].tex.data, 0, pow2Size);
u32 pixelSize = size / width / height;
u8* dest = textures[id].tex.data;
u8* src = data;
memset(textures[id].tex.data, 0, textures[id].tex.size);
for(u32 y = 0; y < height; y += 8) {
memcpy(dest, src, width * 8 * pixelSize);
u32 dstPos = y * pow2Width * pixelSize;
u32 srcPos = y * width * pixelSize;
src += width * 8 * pixelSize;
dest += pow2Width * 8 * pixelSize;
memcpy(&((u8*) textures[id].tex.data)[dstPos], &((u8*) data)[srcPos], width * 8 * pixelSize);
}
} else {
memcpy(textures[id].tex.data, data, pow2Size);
memcpy(textures[id].tex.data, data, textures[id].tex.size);
}
C3D_TexFlush(&textures[id].tex);
}
static inline u32 screen_tiled_texture_index(u32 x, u32 y, u32 w, u32 h) {
return (((y >> 3) * (w >> 3) + (x >> 3)) << 6) + ((x & 1) | ((y & 1) << 1) | ((x & 2) << 1) | ((y & 2) << 2) | ((x & 4) << 2) | ((y & 4) << 3));
}
void screen_load_texture_untiled(u32 id, void* data, u32 size, u32 width, u32 height, GPU_TEXCOLOR format, bool linearFilter) {
if(id >= MAX_TEXTURES) {
util_panic("Attempted to load untiled data to invalid texture ID \"%lu\".", id);
return;
}
u32 pow2Width = 0;
u32 pow2Height = 0;
u32 pow2Size = 0;
u32 pixelSize = 0;
screen_prepare_texture(&pow2Size, &pow2Width, &pow2Height, &pixelSize, id, size, width, height, format, linearFilter);
screen_prepare_texture(&pow2Width, &pow2Height, id, width, height, format, linearFilter);
memset(textures[id].tex.data, 0, pow2Size);
u32 pixelSize = size / width / height;
memset(textures[id].tex.data, 0, textures[id].tex.size);
for(u32 x = 0; x < width; x++) {
for(u32 y = 0; y < height; y++) {
u32 tiledDataPos = screen_tiled_texture_index(x, y, pow2Width, pow2Height) * pixelSize;
u32 untiledDataPos = (y * width + x) * pixelSize;
u32 dstPos = ((((y >> 3) * (pow2Width >> 3) + (x >> 3)) << 6) + ((x & 1) | ((y & 1) << 1) | ((x & 2) << 1) | ((y & 2) << 2) | ((x & 4) << 2) | ((y & 4) << 3))) * pixelSize;
u32 srcPos = (y * width + x) * pixelSize;
memcpy(&((u8*) textures[id].tex.data)[tiledDataPos], &((u8*) data)[untiledDataPos], pixelSize);
memcpy(&((u8*) textures[id].tex.data)[dstPos], &((u8*) data)[srcPos], pixelSize);
}
}