OpenHarmony/third_party_mesa3d
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fix mesa fb binding

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Make sure that we bind the right buffer (draw or read) when rebinding
the window framebuffer (the api doesn't allow binding different draw and
read buffers at the same time, but the default window framebuffer is basically
2 fb objects, one for read, one for write, which can be different). Pass both
of these two down the driver api (no driver uses this right now).
This commit is contained in:
Roland Scheidegger
2007-07-17 17:29:55 +02:00
parent b9f2cf9a4e
commit dbfb375805
4 changed files with 12 additions and 7 deletions
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8
src/mesa/main/fbobject.c
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@@ -924,7 +924,7 @@ check_end_texture_render(GLcontext *ctx, struct gl_framebuffer *fb)
void GLAPIENTRY
_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
{
struct gl_framebuffer *newFb;
struct gl_framebuffer *newFb, *newFbread;
GLboolean bindReadBuf, bindDrawBuf;
GET_CURRENT_CONTEXT(ctx);
@@ -984,12 +984,14 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
}
_mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, newFb);
}
newFbread = newFb;
}
else {
/* Binding the window system framebuffer (which was originally set
* with MakeCurrent).
*/
newFb = ctx->WinSysDrawBuffer;
newFbread = ctx->WinSysReadBuffer;
}
ASSERT(newFb);
@@ -1000,7 +1002,7 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
*/
if (bindReadBuf) {
_mesa_reference_framebuffer(&ctx->ReadBuffer, newFb);
_mesa_reference_framebuffer(&ctx->ReadBuffer, newFbread);
}
if (bindDrawBuf) {
@@ -1015,7 +1017,7 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
}
if (ctx->Driver.BindFramebuffer) {
ctx->Driver.BindFramebuffer(ctx, target, newFb);
ctx->Driver.BindFramebuffer(ctx, target, newFb, newFbread);
}
}