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Fixed crash if render target textures are used while the device is lost

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This commit is contained in:
Sam Lantinga 2014-02-10 13:40:02 -08:00
parent ae05f178c2
commit 076a14b263
1 changed files with 39 additions and 3 deletions
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42
src/render/direct3d/SDL_render_d3d.c
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@ -1029,6 +1029,11 @@ D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
} }
#endif #endif
if (!data) {
SDL_SetError("Texture is not currently available");
return -1;
}
if (D3D_UpdateTextureInternal(data->texture, texture->format, full_texture, rect->x, rect->y, rect->w, rect->h, pixels, pitch) < 0) { if (D3D_UpdateTextureInternal(data->texture, texture->format, full_texture, rect->x, rect->y, rect->w, rect->h, pixels, pitch) < 0) {
return -1; return -1;
} }
@ -1068,6 +1073,11 @@ D3D_UpdateTextureYUV(SDL_Renderer * renderer, SDL_Texture * texture,
} }
#endif #endif
if (!data) {
SDL_SetError("Texture is not currently available");
return -1;
}
if (D3D_UpdateTextureInternal(data->texture, texture->format, full_texture, rect->x, rect->y, rect->w, rect->h, Yplane, Ypitch) < 0) { if (D3D_UpdateTextureInternal(data->texture, texture->format, full_texture, rect->x, rect->y, rect->w, rect->h, Yplane, Ypitch) < 0) {
return -1; return -1;
} }
@ -1089,6 +1099,11 @@ D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
D3DLOCKED_RECT locked; D3DLOCKED_RECT locked;
HRESULT result; HRESULT result;
if (!data) {
SDL_SetError("Texture is not currently available");
return -1;
}
if (data->yuv) { if (data->yuv) {
/* It's more efficient to upload directly... */ /* It's more efficient to upload directly... */
if (!data->pixels) { if (!data->pixels) {
@ -1124,6 +1139,10 @@ D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{ {
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata; D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
if (!data) {
return;
}
if (data->yuv) { if (data->yuv) {
const SDL_Rect *rect = &data->locked_rect; const SDL_Rect *rect = &data->locked_rect;
void *pixels = void *pixels =
@ -1155,7 +1174,12 @@ D3D_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture)
return 0; return 0;
} }
texturedata = (D3D_TextureData *) texture->driverdata; texturedata = (D3D_TextureData *)texture->driverdata;
if (!texturedata) {
SDL_SetError("Texture is not currently available");
return -1;
}
result = IDirect3DTexture9_GetSurfaceLevel(texturedata->texture, 0, &data->currentRenderTarget); result = IDirect3DTexture9_GetSurfaceLevel(texturedata->texture, 0, &data->currentRenderTarget);
if(FAILED(result)) { if(FAILED(result)) {
return D3D_SetError("GetSurfaceLevel()", result); return D3D_SetError("GetSurfaceLevel()", result);
@ -1531,7 +1555,7 @@ D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect) const SDL_Rect * srcrect, const SDL_FRect * dstrect)
{ {
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata; D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata; D3D_TextureData *texturedata;
LPDIRECT3DPIXELSHADER9 shader = NULL; LPDIRECT3DPIXELSHADER9 shader = NULL;
float minx, miny, maxx, maxy; float minx, miny, maxx, maxy;
float minu, maxu, minv, maxv; float minu, maxu, minv, maxv;
@ -1543,6 +1567,12 @@ D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
return -1; return -1;
} }
texturedata = (D3D_TextureData *)texture->driverdata;
if (!texturedata) {
SDL_SetError("Texture is not currently available");
return -1;
}
minx = dstrect->x - 0.5f; minx = dstrect->x - 0.5f;
miny = dstrect->y - 0.5f; miny = dstrect->y - 0.5f;
maxx = dstrect->x + dstrect->w - 0.5f; maxx = dstrect->x + dstrect->w - 0.5f;
@ -1643,7 +1673,7 @@ D3D_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip) const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip)
{ {
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata; D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata; D3D_TextureData *texturedata;
LPDIRECT3DPIXELSHADER9 shader = NULL; LPDIRECT3DPIXELSHADER9 shader = NULL;
float minx, miny, maxx, maxy; float minx, miny, maxx, maxy;
float minu, maxu, minv, maxv; float minu, maxu, minv, maxv;
@ -1656,6 +1686,12 @@ D3D_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
return -1; return -1;
} }
texturedata = (D3D_TextureData *)texture->driverdata;
if (!texturedata) {
SDL_SetError("Texture is not currently available");
return -1;
}
centerx = center->x; centerx = center->x;
centery = center->y; centery = center->y;