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PS2: Implement support for uploading non power of 2 UI textures

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This commit is contained in:
UnknownShadow200 2025-07-13 18:05:33 +10:00
parent ad229da788
commit c44d33c4e1
2 changed files with 22 additions and 9 deletions
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8
src/dreamcast/Graphics_Dreamcast.c
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@ -384,7 +384,9 @@ static CC_INLINE void TwiddleCalcFactors(unsigned w, unsigned h,
((src[0] & 0xF0) >> 4) | (src[1] & 0xF0) | ((src[2] & 0xF0) << 4) | ((src[3] & 0xF0) << 8);
static CC_INLINE void ConvertTexture_4444(cc_uint16* dst, struct Bitmap* bmp, int rowWidth) {
int width = bmp->width, height = bmp->height;
int width = bmp->width;
int height = bmp->height;
unsigned maskX, maskY;
unsigned X = 0, Y = 0;
TwiddleCalcFactors(width, height, &maskX, &maskY);
@ -404,7 +406,9 @@ static CC_INLINE void ConvertTexture_4444(cc_uint16* dst, struct Bitmap* bmp, in
}
static CC_INLINE void ConvertTexture_Palette(cc_uint16* dst, struct Bitmap* bmp, int rowWidth, BitmapCol* palette, int pal_count) {
int width = bmp->width >> 1, height = bmp->height >> 1;
int width = (bmp->width + 1) >> 1;
int height = (bmp->height + 1) >> 1;
unsigned maskX, maskY;
unsigned X = 0, Y = 0;
TwiddleCalcFactors(width, height, &maskX, &maskY);

23
src/ps2/Graphics_PS2.c
View File

@ -155,6 +155,7 @@ void Gfx_Create(void) {
Gfx.MaxLowResTexSize = 512 * 512; // TODO better fix, needed for onscreen keyboard
Gfx.Created = true;
Gfx.NonPowTwoTexturesSupport = GFX_NONPOW2_UPLOAD;
Gfx_RestoreState();
}
@ -317,7 +318,8 @@ typedef struct CCTexture_ {
} CCTexture;
static void ConvertTexture_Palette(cc_uint8* dst, struct Bitmap* bmp, int rowWidth, BitmapCol* palette, int pal_count) {
int width = bmp->width >> 1, height = bmp->height;
int width = (bmp->width + 1) >> 1;
int height = bmp->height;
for (int y = 0; y < height; y++)
{
@ -333,14 +335,16 @@ static void ConvertTexture_Palette(cc_uint8* dst, struct Bitmap* bmp, int rowWid
}
}
static int Log2Dimension(int len) { return Math_ilog2(Math_NextPowOf2(len)); }
GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8 flags, cc_bool mipmaps) {
int size = bmp->width * bmp->height * 4;
CCTexture* tex = (CCTexture*)memalign(16, 32 + size);
tex->width = bmp->width;
tex->height = bmp->height;
tex->log2_w = draw_log2(bmp->width);
tex->log2_h = draw_log2(bmp->height);
tex->log2_w = Log2Dimension(bmp->width);
tex->log2_h = Log2Dimension(bmp->height);
BitmapCol palette[MAX_PAL_4BPP_ENTRIES] QWORD_ALIGNED;
int pal_count = 0;
@ -356,7 +360,7 @@ GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8 flags,
ApplyPalette(palette, pal_index);
}
}
//Platform_Log4("%i, %i (%i x %i)", &pal_index, &pal_count, &bmp->width, &bmp->height);
//Platform_Log4("%i, c%i (%i x %i)", &pal_index, &pal_count, &bmp->width, &bmp->height);
if (pal_index >= 0) {
tex->format = GS_PSM_4;
@ -391,16 +395,21 @@ void Gfx_BindTexture(GfxResourceID texId) {
if (!texId) texId = white_square;
CCTexture* tex = (CCTexture*)texId;
unsigned dst_width = 1 << tex->log2_w;
unsigned dst_addr = tex_offset;
// GS stores stride in 64 block units
// (i.e. gs_stride = real_stride >> 6, so min stride is 64)
unsigned dst_stride = max(64, tex->width);
unsigned dst_stride = max(64, dst_width);
// TODO terrible perf
DMAFlushBuffer();
dma_wait_fast();
Gfx_TransferPixels(tex->pixels, tex->width, tex->height,
// 4bpp has extra garbage pixels when odd rows
int src_w = tex->width, src_h = tex->height;
if (tex->format != GS_PSM_32 && (src_w & 1)) src_w++;
Gfx_TransferPixels(tex->pixels, src_w, src_h,
tex->format, dst_addr, dst_stride);
// TODO terrible perf