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3DS: Fixes for batching and uploading textures 

Co-authored-by: asiekierka <asiekierka@users.noreply.github.com>
This commit is contained in:
Cameron Cawley 2024-05-02 10:23:09 +01:00
parent edcae12f40
commit b15fc85a18
1 changed files with 39 additions and 9 deletions
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48
src/render/n3ds/SDL_render_n3ds.c
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@ -40,8 +40,21 @@
*
* TODO:
* - Native SDL_PIXELFORMAT_RGB888 support (breaks with SDL_TEXTUREACCESS_STREAMING)
* - Fix GX Display Transfer usage for offloading texture swizzling to hardware
*/
static u8 SwizzleLUT[64] =
{
0x00, 0x01, 0x04, 0x05, 0x10, 0x11, 0x14, 0x15,
0x02, 0x03, 0x06, 0x07, 0x12, 0x13, 0x16, 0x17,
0x08, 0x09, 0x0c, 0x0d, 0x18, 0x19, 0x1c, 0x1d,
0x0a, 0x0b, 0x0e, 0x0f, 0x1a, 0x1b, 0x1e, 0x1f,
0x20, 0x21, 0x24, 0x25, 0x30, 0x31, 0x34, 0x35,
0x22, 0x23, 0x26, 0x27, 0x32, 0x33, 0x36, 0x37,
0x28, 0x29, 0x2c, 0x2d, 0x38, 0x39, 0x3c, 0x3d,
0x2a, 0x2b, 0x2e, 0x2f, 0x3a, 0x3b, 0x3e, 0x3f
};
static int
PixelFormatToN3DSGPU(Uint32 format)
{
@ -61,11 +74,7 @@ PixelFormatToN3DSGPU(Uint32 format)
}
}
#define COL5650(r,g,b,a) ((b>>3) | ((g>>2)<<5) | ((r>>3)<<11))
#define COL5551(r,g,b,a) (((b>>3)<<1) | ((g>>3)<<6) | ((r>>3)<<11) | (a>0?1:0))
#define COL4444(r,g,b,a) ((a>>4) | ((b>>4)<<4) | ((g>>4)<<8) | ((r>>4)<<12))
#define COL8888(r,g,b,a) ((a) | ((b)<<8) | ((g)<<16) | ((r)<<24))
#define COL888(r,g,b) ((b) | ((g)<<16) | ((r)<<24))
typedef struct
{
@ -246,7 +255,7 @@ N3DS_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const Uint8 *src;
Uint8 *dst;
int row, length,dpitch;
int row, length, dpitch;
src = pixels;
if (texture->access != SDL_TEXTUREACCESS_STREAMING) {
@ -287,7 +296,7 @@ N3DS_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
(void *) ((Uint8 *) N3DS_texture->unswizzledBuffer + rect->y * N3DS_texture->unswizzledPitch +
rect->x * SDL_BYTESPERPIXEL(texture->format));
*pitch = N3DS_texture->unswizzledPitch;
return 0;
}
@ -298,6 +307,8 @@ N3DS_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
/* We do whole texture updates, at least for now */
GSPGPU_FlushDataCache(N3DS_texture->unswizzledBuffer, N3DS_texture->unswizzledSize);
/*
C3D_SyncDisplayTransfer(
N3DS_texture->unswizzledBuffer,
GX_BUFFER_DIM(N3DS_texture->unswizzledWidth, N3DS_texture->unswizzledHeight),
@ -307,6 +318,25 @@ N3DS_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
GX_TRANSFER_IN_FORMAT(N3DS_texture->texture.fmt) | GX_TRANSFER_OUT_FORMAT(N3DS_texture->texture.fmt) |
GX_TRANSFER_SCALING(GX_TRANSFER_SCALE_NO)
);
*/
if (SDL_BYTESPERPIXEL(texture->format) == 4) {
uint32_t *dst = N3DS_texture->texture.data;
for (int y = 0; y < N3DS_texture->unswizzledHeight; y++) {
uint32_t *src = (uint32_t*) (N3DS_texture->unswizzledBuffer + (y * N3DS_texture->unswizzledPitch));
for (int x = 0; x < N3DS_texture->unswizzledWidth; x++, src++) {
dst[SwizzleLUT[(x & 7) + ((y & 7) << 3)] + ((x & (~7)) << 3) + ((y & (~7)) * N3DS_texture->texture.width)] = *src;
}
}
} else if (SDL_BYTESPERPIXEL(texture->format) == 2) {
uint16_t *dst = N3DS_texture->texture.data;
for (int y = 0; y < N3DS_texture->unswizzledHeight; y++) {
uint16_t *src = (uint16_t*) (N3DS_texture->unswizzledBuffer + (y * N3DS_texture->unswizzledPitch));
for (int x = 0; x < N3DS_texture->unswizzledWidth; x++, src++) {
dst[SwizzleLUT[(x & 7) + ((y & 7) << 3)] + ((x & (~7)) << 3) + ((y & (~7)) * N3DS_texture->texture.width)] = *src;
}
}
}
}
static void
@ -770,7 +800,7 @@ N3DS_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vert
}
case SDL_RENDERCMD_FILL_RECTS: {
const size_t first = cmd->data.draw.first;
const size_t first = cmd->data.draw.first / sizeof(VertVCT);
const size_t count = cmd->data.draw.count;
N3DS_BlendState state = {
.texture = NULL,
@ -783,7 +813,7 @@ N3DS_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vert
case SDL_RENDERCMD_COPY:
case SDL_RENDERCMD_COPY_EX: {
const size_t first = cmd->data.draw.first;
const size_t first = cmd->data.draw.first / sizeof(VertVCT);
const size_t count = cmd->data.draw.count;
N3DS_BlendState state = {
.texture = cmd->data.draw.texture,
@ -795,7 +825,7 @@ N3DS_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vert
}
case SDL_RENDERCMD_GEOMETRY: {
const size_t first = cmd->data.draw.first;
const size_t first = cmd->data.draw.first / sizeof(VertVCT);
const size_t count = cmd->data.draw.count;
N3DS_BlendState state = {
.texture = cmd->data.draw.texture,