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Vita: Use swizzled/twiddled textures

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This commit is contained in:
UnknownShadow200 2025-04-10 21:17:09 +10:00
parent 6b8daad36d
commit ecbe04bebe
3 changed files with 90 additions and 23 deletions
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14
src/Graphics_Dreamcast.c
View File

@ -545,16 +545,17 @@ GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8 flags,
if (!tex->data) { Platform_LogConst("Out of PVR VRAM!"); return NULL; }
cc_uint16* dst = tex->data;
int width = bmp->width, height = bmp->height;
unsigned maskX, maskY;
TwiddleCalcFactors(bmp->width, bmp->height, &maskX, &maskY);
unsigned X = 0, Y = 0;
TwiddleCalcFactors(width, height, &maskX, &maskY);
for (int y = 0; y < bmp->height; y++)
for (int y = 0; y < height; y++)
{
cc_uint8* src = (cc_uint8*)(bmp->scan0 + y * rowWidth);
X = 0;
for (int x = 0; x < bmp->width; x++, src += 4)
for (int x = 0; x < width; x++, src += 4)
{
dst[X | Y] = BGRA8_to_BGRA4(src);
X = (X - maskX) & maskX;
@ -567,9 +568,10 @@ GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8 flags,
void Gfx_UpdateTexture(GfxResourceID texId, int originX, int originY, struct Bitmap* part, int rowWidth, cc_bool mipmaps) {
TextureObject* tex = (TextureObject*)texId;
int width = part->width, height = part->height;
unsigned maskX, maskY;
TwiddleCalcFactors(tex->width, tex->height, &maskX, &maskY);
unsigned X = 0, Y = 0;
TwiddleCalcFactors(tex->width, tex->height, &maskX, &maskY);
// Calculate start twiddled X and Y values
for (int x = 0; x < originX; x++) { X = (X - maskX) & maskX; }
@ -577,12 +579,12 @@ void Gfx_UpdateTexture(GfxResourceID texId, int originX, int originY, struct Bit
unsigned startX = X;
cc_uint16* dst = tex->data;
for (int y = 0; y < part->height; y++)
for (int y = 0; y < height; y++)
{
cc_uint8* src = (cc_uint8*)(part->scan0 + rowWidth * y);
X = startX;
for (int x = 0; x < part->width; x++, src += 4)
for (int x = 0; x < width; x++, src += 4)
{
dst[X | Y] = BGRA8_to_BGRA4(src);
X = (X - maskX) & maskX;

85
src/Graphics_PSVita.c
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@ -673,6 +673,32 @@ static void GPUTextures_DeleteUnreferenced(void) {
}
}
// See Graphics_Dreamcast.c for twiddling explanation
static CC_INLINE void TwiddleCalcFactors(unsigned w, unsigned h,
unsigned* maskX, unsigned* maskY) {
*maskX = 0;
*maskY = 0;
int shift = 0;
for (; w > 1 || h > 1; w >>= 1, h >>= 1)
{
if (w > 1 && h > 1) {
// Add interleaved X and Y bits
*maskY += 0x01 << shift;
*maskX += 0x02 << shift;
shift += 2;
} else if (w > 1) {
// Add a linear X bit
*maskX += 0x01 << shift;
shift += 1;
} else if (h > 1) {
// Add a linear Y bit
*maskY += 0x01 << shift;
shift += 1;
}
}
}
/*########################################################################################################################*
*---------------------------------------------------------Textures--------------------------------------------------------*
@ -680,27 +706,64 @@ static void GPUTextures_DeleteUnreferenced(void) {
GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8 flags, cc_bool mipmaps) {
int size = bmp->width * bmp->height * 4;
struct GPUTexture* tex = GPUTexture_Alloc(size);
CopyTextureData(tex->data, bmp->width * BITMAPCOLOR_SIZE,
bmp, rowWidth * BITMAPCOLOR_SIZE);
cc_uint32* dst = tex->data;
int width = bmp->width, height = bmp->height;
unsigned maskX, maskY;
unsigned X = 0, Y = 0;
TwiddleCalcFactors(width, height, &maskX, &maskY);
for (int y = 0; y < height; y++)
{
cc_uint32* src = bmp->scan0 + y * rowWidth;
X = 0;
for (int x = 0; x < width; x++, src++)
{
dst[X | Y] = *src;
X = (X - maskX) & maskX;
}
Y = (Y - maskY) & maskY;
}
sceGxmTextureInitLinear(&tex->texture, tex->data,
SCE_GXM_TEXTURE_FORMAT_A8B8G8R8, bmp->width, bmp->height, 0);
sceGxmTextureInitSwizzled(&tex->texture, dst,
SCE_GXM_TEXTURE_FORMAT_A8B8G8R8, width, height, 0);
sceGxmTextureSetUAddrMode(&tex->texture, SCE_GXM_TEXTURE_ADDR_REPEAT);
sceGxmTextureSetVAddrMode(&tex->texture, SCE_GXM_TEXTURE_ADDR_REPEAT);
return tex;
}
void Gfx_UpdateTexture(GfxResourceID texId, int x, int y, struct Bitmap* part, int rowWidth, cc_bool mipmaps) {
void Gfx_UpdateTexture(GfxResourceID texId, int originX, int originY, struct Bitmap* part, int rowWidth, cc_bool mipmaps) {
struct GPUTexture* tex = (struct GPUTexture*)texId;
int texWidth = sceGxmTextureGetWidth(&tex->texture);
int texWidth = sceGxmTextureGetWidth(&tex->texture);
int texHeight = sceGxmTextureGetHeight(&tex->texture);
cc_uint32* dst = tex->data;
// NOTE: Only valid for LINEAR textures
BitmapCol* dst = (tex->data + x) + y * texWidth;
int width = part->width, height = part->height;
unsigned maskX, maskY;
unsigned X = 0, Y = 0;
TwiddleCalcFactors(texWidth, texHeight, &maskX, &maskY);
// Calculate start twiddled X and Y values
for (int x = 0; x < originX; x++) { X = (X - maskX) & maskX; }
for (int y = 0; y < originY; y++) { Y = (Y - maskY) & maskY; }
unsigned startX = X;
CopyTextureData(dst, texWidth * BITMAPCOLOR_SIZE,
part, rowWidth * BITMAPCOLOR_SIZE);
// TODO: Do line by line and only invalidate the actually changed parts of lines?
for (int y = 0; y < height; y++)
{
cc_uint32* src = part->scan0 + rowWidth * y;
X = startX;
for (int x = 0; x < width; x++, src++)
{
dst[X | Y] = *src;
X = (X - maskX) & maskX;
}
Y = (Y - maskY) & maskY;
}
// TODO: is it necessary to invalidate? probably just everything?
//sceKernelDcacheWritebackInvalidateRange(dst, (tex->width * part->height) * 4);
}

14
src/Graphics_Xbox.c
View File

@ -181,16 +181,17 @@ GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8 flags,
tex->height = bmp->height;
cc_uint32* dst = tex->pixels;
int width = bmp->width, height = bmp->height;
unsigned maskX, maskY;
TwiddleCalcFactors(bmp->width, bmp->height, &maskX, &maskY);
unsigned X = 0, Y = 0;
TwiddleCalcFactors(width, height, &maskX, &maskY);
for (int y = 0; y < bmp->height; y++)
for (int y = 0; y < height; y++)
{
cc_uint32* src = bmp->scan0 + y * rowWidth;
X = 0;
for (int x = 0; x < bmp->width; x++, src++)
for (int x = 0; x < width; x++, src++)
{
dst[X | Y] = *src;
X = (X - maskX) & maskX;
@ -204,21 +205,22 @@ void Gfx_UpdateTexture(GfxResourceID texId, int originX, int originY, struct Bit
CCTexture* tex = (CCTexture*)texId;
cc_uint32* dst = tex->pixels;
int width = part->width, height = part->height;
unsigned maskX, maskY;
TwiddleCalcFactors(tex->width, tex->height, &maskX, &maskY);
unsigned X = 0, Y = 0;
TwiddleCalcFactors(tex->width, tex->height, &maskX, &maskY);
// Calculate start twiddled X and Y values
for (int x = 0; x < originX; x++) { X = (X - maskX) & maskX; }
for (int y = 0; y < originY; y++) { Y = (Y - maskY) & maskY; }
unsigned startX = X;
for (int y = 0; y < part->height; y++)
for (int y = 0; y < height; y++)
{
cc_uint32* src = part->scan0 + rowWidth * y;
X = startX;
for (int x = 0; x < part->width; x++, src++)
for (int x = 0; x < width; x++, src++)
{
dst[X | Y] = *src;
X = (X - maskX) & maskX;