pandory500/SDL-mirror
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Prefer the D3D renderer over GDI, at least for testing.

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Added support for the SDL_VIDEO_RENDERER environment variable to pick the desired render driver.
Implemented WritePixels support for the D3D renderer.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401950
This commit is contained in:
Sam Lantinga 2006-07-14 08:22:45 +00:00
parent e920af3d1b
commit 0212981bc2
4 changed files with 100 additions and 16 deletions
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86
src/video/win32/SDL_d3drender.c
View file

@ -74,10 +74,9 @@ SDL_RenderDriver SDL_D3D_RenderDriver = {
SDL_D3D_CreateRenderer,
{
"d3d",
( //SDL_Renderer_Minimal |
SDL_Renderer_SingleBuffer | SDL_Renderer_PresentCopy |
SDL_Renderer_PresentFlip2 | SDL_Renderer_PresentFlip3 |
SDL_Renderer_PresentDiscard | SDL_Renderer_RenderTarget),
(SDL_Renderer_SingleBuffer | SDL_Renderer_PresentCopy |
SDL_Renderer_PresentFlip2 | SDL_Renderer_PresentFlip3 |
SDL_Renderer_PresentDiscard | SDL_Renderer_RenderTarget),
(SDL_TextureBlendMode_None |
SDL_TextureBlendMode_Mask | SDL_TextureBlendMode_Blend),
(SDL_TextureScaleMode_None | SDL_TextureScaleMode_Fast),
@ -102,6 +101,8 @@ SDL_RenderDriver SDL_D3D_RenderDriver = {
typedef struct
{
IDirect3DDevice9 *device;
IDirect3DSurface9 *surface;
IDirect3DSurface9 *offscreen;
SDL_bool beginScene;
} SDL_D3D_RenderData;
@ -530,6 +531,8 @@ static void
SDL_D3D_SelectRenderTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;
/* FIXME */
}
static int
@ -640,6 +643,7 @@ SDL_D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
{
SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;
/* FIXME */
return 0;
}
@ -647,7 +651,75 @@ static int
SDL_D3D_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
const void *pixels, int pitch)
{
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;
RECT d3drect;
POINT point;
D3DLOCKED_RECT locked;
const Uint8 *src;
Uint8 *dst;
int row, length;
HRESULT result;
if (!data->surface) {
result =
IDirect3DDevice9_GetBackBuffer(data->device, 0, 0,
D3DBACKBUFFER_TYPE_MONO,
&data->surface);
if (FAILED(result)) {
D3D_SetError("GetBackBuffer()", result);
return -1;
}
}
if (!data->offscreen) {
result =
IDirect3DDevice9_CreateOffscreenPlainSurface(data->device,
window->w, window->h,
PixelFormatToD3DFMT
(display->
current_mode.
format),
D3DPOOL_SYSTEMMEM,
&data->offscreen,
NULL);
if (FAILED(result)) {
D3D_SetError("CreateOffscreenPlainSurface()", result);
return -1;
}
}
d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
result =
IDirect3DSurface9_LockRect(data->offscreen, &locked, &d3drect, 0);
if (FAILED(result)) {
D3D_SetError("LockRect()", result);
return -1;
}
src = pixels;
dst = locked.pBits;
length = rect->w * SDL_BYTESPERPIXEL(display->current_mode.format);
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += locked.Pitch;
}
IDirect3DSurface9_UnlockRect(data->offscreen);
point.x = rect->x;
point.y = rect->y;
result =
IDirect3DDevice9_UpdateSurface(data->device, data->offscreen,
&d3drect, data->surface, &point);
if (FAILED(result)) {
D3D_SetError("UpdateSurface()", result);
return -1;
}
return 0;
}
@ -693,6 +765,12 @@ SDL_D3D_DestroyRenderer(SDL_Renderer * renderer)
if (data->device) {
IDirect3DDevice9_Release(data->device);
}
if (data->surface) {
IDirect3DSurface9_Release(data->surface);
}
if (data->offscreen) {
IDirect3DSurface9_Release(data->offscreen);
}
SDL_free(data);
}
SDL_free(renderer);