mirror of https://github.com/ClassiCube/ClassiCube
PSP: Use swizzled textures
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514b10f662
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2e7a5c9897
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@ -119,7 +119,7 @@ static CC_INLINE void TwiddleCalcFactors(unsigned w, unsigned h,
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*maskX = 0b00011; // 2 linear X bits, 1 bit until next block
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*maskY = 0b01100; // 2 linear Y bits, 1 bit until next block
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// Lower 2 X and Y bits are always linear
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// Adjust for lower 2 X and 2 Y linear bits
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w >>= 3;
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h >>= 3;
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int shift = 5;
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@ -74,6 +74,7 @@ void Gfx_Create(void) {
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Gfx.MaxTexWidth = 512;
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Gfx.MaxTexHeight = 512;
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Gfx.NonPowTwoTexturesSupport = GFX_NONPOW2_UPLOAD;
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Gfx.Created = true;
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gfx_vsync = true;
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@ -103,6 +104,79 @@ static void Gfx_FreeState(void) {
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#define GU_Toggle(cap) if (enabled) { sceGuEnable(cap); } else { sceGuDisable(cap); }
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/*########################################################################################################################*
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*---------------------------------------------------------Swizzling-------------------------------------------------------*
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*#########################################################################################################################*/
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// PSP swizzled textures are 16 bytes X 8 rows = 4 '32 bit' pixels X 8 rows
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static CC_INLINE void TwiddleCalcFactors(unsigned w, unsigned h, unsigned* maskX, unsigned* maskY) {
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*maskX = 0b00011; // 2 linear X bits
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*maskY = 0b11100; // 3 linear Y bits
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// Adjust for lower 2 X and 2 Y linear bits
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w >>= 3;
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h >>= 4;
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int shift = 5;
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for (; w > 0; w >>= 1) {
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*maskX += 0x01 << shift;
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shift += 1;
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}
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for (; h > 0; h >>= 1) {
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*maskY += 0x01 << shift;
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shift += 1;
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}
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}
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static CC_INLINE void UploadFullTexture(struct Bitmap* bmp, int rowWidth, cc_uint32* dst, int dst_w, int dst_h) {
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int src_w = bmp->width, src_h = bmp->height;
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unsigned maskX, maskY;
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unsigned X = 0, Y = 0;
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TwiddleCalcFactors(dst_w, dst_h, &maskX, &maskY);
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for (int y = 0; y < src_h; y++)
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{
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cc_uint32* src = bmp->scan0 + y * rowWidth;
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X = 0;
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for (int x = 0; x < src_w; x++, src++)
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{
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dst[X | Y] = *src;
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X = (X - maskX) & maskX;
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}
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Y = (Y - maskY) & maskY;
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}
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}
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static CC_INLINE void UploadPartialTexture(struct Bitmap* part, int rowWidth, cc_uint32* dst, int dst_w, int dst_h,
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int originX, int originY) {
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int src_w = part->width, src_h = part->height;
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unsigned maskX, maskY;
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unsigned X = 0, Y = 0;
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TwiddleCalcFactors(dst_w, dst_h, &maskX, &maskY);
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// Calculate start twiddled X and Y values
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for (int x = 0; x < originX; x++) { X = (X - maskX) & maskX; }
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for (int y = 0; y < originY; y++) { Y = (Y - maskY) & maskY; }
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unsigned startX = X;
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for (int y = 0; y < src_h; y++)
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{
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cc_uint32* src = part->scan0 + y * rowWidth;
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X = startX;
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for (int x = 0; x < src_w; x++, src++)
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{
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dst[X | Y] = *src;
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X = (X - maskX) & maskX;
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}
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Y = (Y - maskY) & maskY;
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}
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}
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/*########################################################################################################################*
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*---------------------------------------------------------Textures--------------------------------------------------------*
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*#########################################################################################################################*/
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@ -113,38 +187,28 @@ typedef struct CCTexture_ {
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} CCTexture;
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GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8 flags, cc_bool mipmaps) {
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int size = bmp->width * bmp->height * 4;
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int dst_w = Math_NextPowOf2(bmp->width);
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int dst_h = Math_NextPowOf2(bmp->height);
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// Swizzled texture assumes at least 16 bytes x 8 rows
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int size = max(16 * 8, dst_w * dst_h * 4);
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CCTexture* tex = (CCTexture*)memalign(16, 16 + size);
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tex->width = bmp->width;
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tex->height = bmp->height;
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tex->width = dst_w;
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tex->height = dst_h;
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CopyPixels(tex->pixels, bmp->width * BITMAPCOLOR_SIZE,
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bmp->scan0, rowWidth * BITMAPCOLOR_SIZE,
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bmp->width, bmp->height);
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UploadFullTexture(bmp, rowWidth, tex->pixels, dst_w, dst_h);
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return tex;
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}
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void Gfx_UpdateTexture(GfxResourceID texId, int x, int y, struct Bitmap* part, int rowWidth, cc_bool mipmaps) {
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CCTexture* tex = (CCTexture*)texId;
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BitmapCol* dst = (tex->pixels + x) + y * tex->width;
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UploadPartialTexture(part, rowWidth, tex->pixels, tex->width, tex->height, x, y);
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CopyPixels(dst, tex->width * BITMAPCOLOR_SIZE,
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part->scan0, rowWidth * BITMAPCOLOR_SIZE,
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part->width, part->height);
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// TODO: Do line by line and only invalidate the actually changed parts of lines?
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sceKernelDcacheWritebackInvalidateRange(dst, (tex->width * part->height) * 4);
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sceKernelDcacheWritebackInvalidateRange(tex->pixels, (tex->width * tex->height) * 4);
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}
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/*void Gfx_UpdateTexture(GfxResourceID texId, int x, int y, struct Bitmap* part, int rowWidth, cc_bool mipmaps) {
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CCTexture* tex = (CCTexture*)texId;
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cc_uint32* dst = (tex->pixels + x) + y * tex->width;
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for (int yy = 0; yy < part->height; yy++) {
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Mem_Copy(dst + (y + yy) * tex->width, part->scan0 + yy * rowWidth, part->width * 4);
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}
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}*/
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void Gfx_DeleteTexture(GfxResourceID* texId) {
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GfxResourceID data = *texId;
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if (data) Mem_Free(data);
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@ -158,7 +222,7 @@ void Gfx_BindTexture(GfxResourceID texId) {
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CCTexture* tex = (CCTexture*)texId;
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if (!tex) tex = white_square;
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sceGuTexMode(GU_PSM_8888, 0, 0, 0);
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sceGuTexMode(GU_PSM_8888, 0, 0, 1);
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sceGuTexImage(0, tex->width, tex->height, tex->width, tex->pixels);
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}
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@ -673,9 +673,12 @@ static void GPUTextures_DeleteUnreferenced(void) {
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}
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}
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/*########################################################################################################################*
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*---------------------------------------------------------Swizzling-------------------------------------------------------*
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*#########################################################################################################################*/
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// See Graphics_Dreamcast.c for twiddling explanation
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static CC_INLINE void TwiddleCalcFactors(unsigned w, unsigned h,
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unsigned* maskX, unsigned* maskY) {
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static CC_INLINE void TwiddleCalcFactors(unsigned w, unsigned h, unsigned* maskX, unsigned* maskY) {
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*maskX = 0;
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*maskY = 0;
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int shift = 0;
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@ -699,18 +702,7 @@ static CC_INLINE void TwiddleCalcFactors(unsigned w, unsigned h,
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}
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}
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/*########################################################################################################################*
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*---------------------------------------------------------Textures--------------------------------------------------------*
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*#########################################################################################################################*/
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GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8 flags, cc_bool mipmaps) {
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int dst_w = Math_NextPowOf2(bmp->width);
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int dst_h = Math_NextPowOf2(bmp->height);
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int size = dst_w * dst_h * 4;
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struct GPUTexture* tex = GPUTexture_Alloc(size);
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cc_uint32* dst = tex->data;
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static CC_INLINE void UploadFullTexture(struct Bitmap* bmp, int rowWidth, cc_uint32* dst, int dst_w, int dst_h) {
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int src_w = bmp->width, src_h = bmp->height;
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unsigned maskX, maskY;
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unsigned X = 0, Y = 0;
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@ -728,6 +720,46 @@ GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8 flags,
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}
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Y = (Y - maskY) & maskY;
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}
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}
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static CC_INLINE void UploadPartialTexture(struct Bitmap* part, int rowWidth, cc_uint32* dst, int dst_w, int dst_h,
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int originX, int originY) {
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int src_w = part->width, src_h = part->height;
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unsigned maskX, maskY;
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unsigned X = 0, Y = 0;
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TwiddleCalcFactors(dst_w, dst_h, &maskX, &maskY);
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// Calculate start twiddled X and Y values
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for (int x = 0; x < originX; x++) { X = (X - maskX) & maskX; }
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for (int y = 0; y < originY; y++) { Y = (Y - maskY) & maskY; }
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unsigned startX = X;
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for (int y = 0; y < src_h; y++)
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{
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cc_uint32* src = part->scan0 + y * rowWidth;
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X = startX;
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for (int x = 0; x < src_w; x++, src++)
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{
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dst[X | Y] = *src;
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X = (X - maskX) & maskX;
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}
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Y = (Y - maskY) & maskY;
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}
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}
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/*########################################################################################################################*
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*---------------------------------------------------------Textures--------------------------------------------------------*
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*#########################################################################################################################*/
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GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8 flags, cc_bool mipmaps) {
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int dst_w = Math_NextPowOf2(bmp->width);
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int dst_h = Math_NextPowOf2(bmp->height);
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int size = dst_w * dst_h * 4;
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struct GPUTexture* tex = GPUTexture_Alloc(size);
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cc_uint32* dst = tex->data;
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UploadFullTexture(bmp, rowWidth, dst, dst_w, dst_h);
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sceGxmTextureInitSwizzled(&tex->texture, dst,
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SCE_GXM_TEXTURE_FORMAT_A8B8G8R8, dst_w, dst_h, 0);
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@ -741,33 +773,12 @@ void Gfx_UpdateTexture(GfxResourceID texId, int originX, int originY, struct Bit
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struct GPUTexture* tex = (struct GPUTexture*)texId;
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int texWidth = sceGxmTextureGetWidth(&tex->texture);
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int texHeight = sceGxmTextureGetHeight(&tex->texture);
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cc_uint32* dst = tex->data;
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int width = part->width, height = part->height;
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unsigned maskX, maskY;
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unsigned X = 0, Y = 0;
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TwiddleCalcFactors(texWidth, texHeight, &maskX, &maskY);
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// Calculate start twiddled X and Y values
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for (int x = 0; x < originX; x++) { X = (X - maskX) & maskX; }
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for (int y = 0; y < originY; y++) { Y = (Y - maskY) & maskY; }
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unsigned startX = X;
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for (int y = 0; y < height; y++)
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{
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cc_uint32* src = part->scan0 + rowWidth * y;
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X = startX;
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for (int x = 0; x < width; x++, src++)
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{
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dst[X | Y] = *src;
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X = (X - maskX) & maskX;
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}
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Y = (Y - maskY) & maskY;
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}
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cc_uint32* dst = tex->data;
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UploadPartialTexture(part, rowWidth, dst, texWidth, texHeight, originX, originY);
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// TODO: is it necessary to invalidate? probably just everything?
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//sceKernelDcacheWritebackInvalidateRange(dst, (tex->width * part->height) * 4);
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//sceKernelDcacheWritebackInvalidateRange(dst, (tex->width * tex->height) * 4);
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}
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void Gfx_DeleteTexture(GfxResourceID* texId) {
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