pandory500/SDL-mirror
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Added function SDL_RenderSetClipRect()

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This commit is contained in:
Sam Lantinga 2011-02-07 20:06:26 -08:00
parent 42bac7a31e
commit 8253658837
9 changed files with 140 additions and 24 deletions
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23
src/render/direct3d/SDL_render_d3d.c
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@ -96,6 +96,7 @@ static int D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
static int D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, void **pixels, int *pitch);
static void D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void D3D_SetClipRect(SDL_Renderer * renderer, const SDL_Rect * rect);
static int D3D_RenderDrawPoints(SDL_Renderer * renderer,
const SDL_Point * points, int count);
static int D3D_RenderDrawLines(SDL_Renderer * renderer,
@ -308,6 +309,7 @@ D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->UpdateTexture = D3D_UpdateTexture;
renderer->LockTexture = D3D_LockTexture;
renderer->UnlockTexture = D3D_UnlockTexture;
renderer->SetClipRect = D3D_SetClipRect;
renderer->RenderDrawPoints = D3D_RenderDrawPoints;
renderer->RenderDrawLines = D3D_RenderDrawLines;
renderer->RenderFillRects = D3D_RenderFillRects;
@ -601,6 +603,27 @@ D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
IDirect3DTexture9_UnlockRect(data->texture, 0);
}
static void
D3D_SetClipRect(SDL_Renderer * renderer, const SDL_Rect * rect)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
if (rect) {
RECT d3drect;
d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
IDirect3DDevice9_SetScissorRect(data->device, &d3drect);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_SCISSORTESTENABLE,
TRUE);
} else {
IDirect3DDevice9_SetRenderState(data->device, D3DRS_SCISSORTESTENABLE,
FALSE);
}
}
static void
D3D_SetBlendMode(D3D_RenderData * data, int blendMode)
{