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Fixed Direct3D rendering
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slouken committed Nov 25, 2008
1 parent 6216ad5 commit 7e61cd2
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Showing 2 changed files with 50 additions and 4 deletions.
48 changes: 47 additions & 1 deletion src/video/win32/SDL_d3drender.c
Expand Up @@ -27,6 +27,14 @@

/* Direct3D renderer implementation */

#if 1 /* This takes more memory but you won't lose your texture data */
#define D3DPOOL_SDL D3DPOOL_MANAGED
#define SDL_MEMORY_POOL_MANAGED
#else
#define D3DPOOL_SDL D3DPOOL_DEFAULT
#define SDL_MEMORY_POOL_DEFAULT
#endif

static SDL_Renderer *D3D_CreateRenderer(SDL_Window * window, Uint32 flags);
static int D3D_DisplayModeChanged(SDL_Renderer * renderer);
static int D3D_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
Expand Down Expand Up @@ -473,7 +481,7 @@ D3D_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
IDirect3DDevice9_CreateTexture(renderdata->device, texture->w,
texture->h, 1, 0,
PixelFormatToD3DFMT(texture->format),
D3DPOOL_MANAGED, &data->texture, NULL);
D3DPOOL_SDL, &data->texture, NULL);
if (FAILED(result)) {
D3D_SetError("CreateTexture()", result);
return -1;
Expand Down Expand Up @@ -547,6 +555,7 @@ D3D_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
return 0;
}

#ifdef SDL_MEMORY_POOL_DEFAULT
static int
D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
Expand Down Expand Up @@ -605,6 +614,43 @@ D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
}
return 0;
}
#else
static int
D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
{
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
D3D_RenderData *renderdata = (D3D_RenderData *) renderer->driverdata;
RECT d3drect;
D3DLOCKED_RECT locked;
const Uint8 *src;
Uint8 *dst;
int row, length;
HRESULT result;

d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;

result = IDirect3DTexture9_LockRect(data->texture, 0, &locked, &d3drect, 0);
if (FAILED(result)) {
D3D_SetError("LockRect()", result);
return -1;
}

src = pixels;
dst = locked.pBits;
length = rect->w * SDL_BYTESPERPIXEL(texture->format);
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += locked.Pitch;
}
IDirect3DTexture9_UnlockRect(data->texture, 0);
return 0;
}
#endif // SDL_MEMORY_POOL_DEFAULT

static int
D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
Expand Down
6 changes: 3 additions & 3 deletions test/testsprite2.c
Expand Up @@ -83,7 +83,7 @@ MoveSprites(SDL_WindowID window, SDL_TextureID sprite)
{
int i, n;
int window_w, window_h;
SDL_Rect area, *position, *velocity;
SDL_Rect *position, *velocity;

SDL_SelectRenderer(window);

Expand Down Expand Up @@ -291,8 +291,8 @@ main(int argc, char *argv[])
/* Print out some timing information */
now = SDL_GetTicks();
if (now > then) {
printf("%2.2f frames per second\n",
((double) frames * 1000) / (now - then));
double fps = ((double) frames * 1000) / (now - then);
printf("%2.2f frames per second\n", fps);
}
quit(0);
}
Expand Down

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