TheCloud/panda3d
1
0
Fork 0
mirror of https://github.com/panda3d/panda3d.git synced 2025-10-04 19:08:55 -04:00
Code Issues Packages Projects Releases Wiki Activity

fix framebuffer_copy_to_texture

Browse Source 
Not very efficient since it copies the entire render target to system memory
and then copies the rectangle to the texture, but there does not seem to
be another way for DX9.
This commit is contained in:
aignacio_sf 2005-12-10 03:54:12 +00:00
parent 76cdd23bab
commit dd024406b1
1 changed files with 48 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
panda/src/dxgsg9/dxGraphicsStateGuardian9.cxx
View File

@ -1412,12 +1412,14 @@ framebuffer_copy_to_texture(Texture *tex, int z, const DisplayRegion *dr,
DWORD render_target_index; DWORD render_target_index;
IDirect3DSurface9 *render_target; IDirect3DSurface9 *render_target;
/* ***** DX9 GetRenderTarget (render_target_index, ) */ /* ***** DX9 GetRenderTarget, assume only one render target so index = 0 */
render_target_index = 0; render_target_index = 0;
hr = _d3d_device->GetRenderTarget(render_target_index, &render_target); hr = _d3d_device->GetRenderTarget(render_target_index, &render_target);
if (FAILED(hr)) { if (FAILED(hr)) {
dxgsg9_cat.error() << "GetRenderTgt failed in copy_texture" << D3DERRORSTRING(hr); dxgsg9_cat.error()
<< "GetRenderTarget failed in framebuffer_copy_to_texture"
<< D3DERRORSTRING(hr);
SAFE_RELEASE(tex_level_0); SAFE_RELEASE(tex_level_0);
return; return;
} }
@ -1429,15 +1431,53 @@ render_target_index = 0;
src_rect.top = yo; src_rect.top = yo;
src_rect.bottom = yo+h; src_rect.bottom = yo+h;
// now copy from fb to tex // THE DX8 WAY
/* ***** DX9 CopyRects */
// hr = _d3d_device->CopyRects(render_target, &src_rect, 1, tex_level_0, 0); // hr = _d3d_device->CopyRects(render_target, &src_rect, 1, tex_level_0, 0);
hr = -1;
// THE DX9 WAY, this is not efficient since it copies the entire render
// target to system memory and then copies the rectangle to the texture
// create a surface in system memory that is a duplicate of the render target
D3DPOOL pool;
IDirect3DSurface9 *temp_surface = NULL;
D3DSURFACE_DESC surface_description;
render_target -> GetDesc (&surface_description);
pool = D3DPOOL_SYSTEMMEM;
hr = _d3d_device->CreateOffscreenPlainSurface(
surface_description.Width,
surface_description.Height,
surface_description.Format,
pool,
&temp_surface,
NULL);
if (FAILED(hr)) {
dxgsg9_cat.error()
<< "CreateOffscreenPlainSurface failed in framebuffer_copy_to_texture"
<< D3DERRORSTRING(hr);
return;
}
// this copies the entire render target into system memory
hr = _d3d_device -> GetRenderTargetData (render_target, temp_surface);
if (FAILED(hr)) {
dxgsg9_cat.error() << "GetRenderTargetData failed" << D3DERRORSTRING(hr);
RELEASE(temp_surface, dxgsg9, "temp_surface", RELEASE_ONCE);
return;
}
// copy system memory version to texture
DXTextureContext9::d3d_surface_to_texture(src_rect, temp_surface,
false, tex, z);
RELEASE(temp_surface, dxgsg9, "temp_surface", RELEASE_ONCE);
if (FAILED(hr)) { if (FAILED(hr)) {
dxgsg9_cat.error() dxgsg9_cat.error()
<< "CopyRects failed in copy_texture" << D3DERRORSTRING(hr); << "CopyRects failed in framebuffer_copy_to_texture"
<< D3DERRORSTRING(hr);
} }
SAFE_RELEASE(render_target); SAFE_RELEASE(render_target);