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Fix re-creating of textures.

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Safer clear of render to textures.
This commit is contained in:
aignacio_sf 2008-09-17 21:25:20 +00:00
parent eb2a64d99d
commit e3cd187cef
1 changed files with 28 additions and 5 deletions
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31
panda/src/dxgsg9/dxTextureContext9.cxx
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@ -85,6 +85,7 @@ evict_lru() {
dequeue_lru();
delete_texture();
update_data_size_bytes(0);
mark_unloaded();
}
@ -101,6 +102,13 @@ evict_lru() {
////////////////////////////////////////////////////////////////////
bool DXTextureContext9::
create_texture(DXScreenData &scrn) {
// check if the texture has already been created
if (_d3d_2d_texture || _d3d_cube_texture || _d3d_volume_texture) {
// texture already created, no need to create
return true;
}
HRESULT hr;
int num_alpha_bits; // number of alpha bits in texture pixfmt
D3DFORMAT target_pixel_format = D3DFMT_UNKNOWN;
@ -110,8 +118,6 @@ create_texture(DXScreenData &scrn) {
Texture *tex = get_texture();
nassertr(IS_VALID_PTR(tex), false);
delete_texture();
// bpp indicates requested fmt, not texture fmt
DWORD target_bpp = get_bits_per_pixel(tex->get_format(), &num_alpha_bits);
DWORD num_color_channels = tex->get_num_components();
@ -1167,7 +1173,7 @@ extract_texture_data() {
hr = _d3d_2d_texture->LockRect(n, &rect, NULL, D3DLOCK_READONLY);
if (FAILED(hr)) {
dxgsg9_cat.error()
<< "Texture::LockRect() failed!" << D3DERRORSTRING(hr);
<< "Texture::LockRect() failed! level = " << n << " " << D3DERRORSTRING(hr);
return false;
}
@ -1664,6 +1670,18 @@ fill_d3d_texture_pixels(DXScreenData &scrn) {
IDirect3DSurface9 *current_render_target;
if (device -> GetRenderTarget (0, &current_render_target) == D3D_OK) {
IDirect3DSurface9 *depth_stencil_surface;
// turn off depth stencil when clearing texture if it exists
if (device -> GetDepthStencilSurface (&depth_stencil_surface) == D3D_OK) {
if (device -> SetDepthStencilSurface (NULL) == D3D_OK) {
}
}
else {
depth_stencil_surface = 0;
}
if (device -> SetRenderTarget (0, surface) == D3D_OK) {
DWORD flags;
D3DCOLOR color;
@ -1674,6 +1692,12 @@ fill_d3d_texture_pixels(DXScreenData &scrn) {
}
}
// restore depth stencil
if (depth_stencil_surface) {
depth_stencil_surface -> Release();
}
// restore render target
device -> SetRenderTarget (0, current_render_target);
current_render_target -> Release();
}
@ -2041,4 +2065,3 @@ get_bits_per_pixel(Texture::Format format, int *alphbits) {
}
return 8;
}