OpenHarmony/third_party_mesa3d
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gallium: Unify reference counting.

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The core reference counting code is centralized in p_refcnt.h.

This has some consequences related to struct pipe_buffer:

* The screen member of struct pipe_buffer must be initialized, or
  pipe_buffer_reference() will crash trying to destroy a buffer with reference
  count 0. u_simple_screen takes care of this, but I may have missed some of
  the drivers not using it.
* Except for rare exceptions deep in winsys code, buffers must always be
  allocated via pipe_buffer_create() or via screen->*buffer_create() rather
  than via winsys->*buffer_create().
This commit is contained in:
Michel Dänzer
2009-03-04 11:58:48 +01:00
parent 60041203d5
commit 5e27cd46c0
102 changed files with 653 additions and 943 deletions
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8
src/mesa/state_tracker/st_cb_readpixels.c
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@@ -134,7 +134,7 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
/* unmap the stencil buffer */
screen->transfer_unmap(screen, pt);
screen->tex_transfer_release(screen, &pt);
screen->tex_transfer_destroy(pt);
}
@@ -224,7 +224,7 @@ st_fast_readpixels(GLcontext *ctx, struct st_renderbuffer *strb,
map = screen->transfer_map(screen, trans);
if (!map) {
screen->tex_transfer_release(screen, &trans);
screen->tex_transfer_destroy(trans);
return GL_FALSE;
}
@@ -282,7 +282,7 @@ st_fast_readpixels(GLcontext *ctx, struct st_renderbuffer *strb,
}
screen->transfer_unmap(screen, trans);
screen->tex_transfer_release(screen, &trans);
screen->tex_transfer_destroy(trans);
}
return GL_TRUE;
@@ -466,7 +466,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
}
}
screen->tex_transfer_release(screen, &trans);
screen->tex_transfer_destroy(trans);
_mesa_unmap_readpix_pbo(ctx, &clippedPacking);
}