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glgsg: Fix clear of offscreen buffer if back buffers requested

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rdb 2024-06-30 11:53:17 +02:00
parent b6ec48b27c
commit 122453811d
1 changed files with 13 additions and 1 deletions
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14
panda/src/glstuff/glGraphicsBuffer_src.cxx
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@ -16,6 +16,18 @@
using std::max; using std::max;
using std::min; using std::min;
/**
* Returns a copy of the FrameBufferProperties, but without back buffers.
* This is used since the GraphicsOutput constructor makes some decisions
* based on whether this is set, so we need to unset it early.
*/
static FrameBufferProperties
without_back_buffers(const FrameBufferProperties &fb_prop) {
FrameBufferProperties copy(fb_prop);
copy.set_back_buffers(0);
return copy;
}
TypeHandle CLP(GraphicsBuffer)::_type_handle; TypeHandle CLP(GraphicsBuffer)::_type_handle;
/** /**
@ -29,7 +41,7 @@ CLP(GraphicsBuffer)(GraphicsEngine *engine, GraphicsPipe *pipe,
int flags, int flags,
GraphicsStateGuardian *gsg, GraphicsStateGuardian *gsg,
GraphicsOutput *host) : GraphicsOutput *host) :
GraphicsBuffer(engine, pipe, name, fb_prop, win_prop, flags, gsg, host), GraphicsBuffer(engine, pipe, name, without_back_buffers(fb_prop), win_prop, flags, gsg, host),
_bind_texture_pcollector(_draw_window_pcollector, "Bind textures"), _bind_texture_pcollector(_draw_window_pcollector, "Bind textures"),
_generate_mipmap_pcollector(_draw_window_pcollector, "Generate mipmaps"), _generate_mipmap_pcollector(_draw_window_pcollector, "Generate mipmaps"),
_resolve_multisample_pcollector(_draw_window_pcollector, "Resolve multisamples"), _resolve_multisample_pcollector(_draw_window_pcollector, "Resolve multisamples"),