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Make alpha textures the default texture format for Render to Texture have a fallback to non-alpha texture in case it is not supported.

This commit is contained in:
aignacio_sf 2006-02-17 02:48:12 +00:00
parent ad0cbe08b2
commit 748a50fe9e
1 changed files with 28 additions and 14 deletions
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42
panda/src/dxgsg8/dxGraphicsStateGuardian8.cxx
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@ -1656,24 +1656,38 @@ reset() {
_supports_render_texture = false;
hr = _d3d_device->GetCreationParameters (&creation_parameters);
// default render to texture format
// _screen->_render_to_texture_d3d_format = D3DFMT_X8R8G8B8;
_screen->_render_to_texture_d3d_format = D3DFMT_A8R8G8B8;
// match the display mode format for render to texture
_screen->_render_to_texture_d3d_format = _screen->_display_mode.Format;
#define TOTAL_RENDER_TO_TEXTURE_FORMATS 3
D3DFORMAT render_to_texture_formats [TOTAL_RENDER_TO_TEXTURE_FORMATS] =
{
D3DFMT_A8R8G8B8, // check for this format first
D3DFMT_X8R8G8B8,
(D3DFORMAT) 0, // place holder for _screen->_display_mode.Format
};
render_to_texture_formats [TOTAL_RENDER_TO_TEXTURE_FORMATS - 1] = _screen->_display_mode.Format;
hr = _d3d_device->GetCreationParameters (&creation_parameters);
if (SUCCEEDED (hr)) {
hr = _screen->_d3d8->CheckDeviceFormat (
creation_parameters.AdapterOrdinal,
creation_parameters.DeviceType,
_screen->_display_mode.Format,
D3DUSAGE_RENDERTARGET,
D3DRTYPE_TEXTURE,
_screen->_render_to_texture_d3d_format);
if (SUCCEEDED (hr)) {
_supports_render_texture = true;
int index;
for (index = 0; index < TOTAL_RENDER_TO_TEXTURE_FORMATS; index++) {
hr = _screen->_d3d8->CheckDeviceFormat (
creation_parameters.AdapterOrdinal,
creation_parameters.DeviceType,
_screen->_display_mode.Format,
D3DUSAGE_RENDERTARGET,
D3DRTYPE_TEXTURE,
render_to_texture_formats [index]);
if (SUCCEEDED (hr)) {
_screen->_render_to_texture_d3d_format = render_to_texture_formats [index];
_supports_render_texture = true;
}
if (_supports_render_texture) {
break;
}
}
}
if (dxgsg8_cat.is_debug()) {