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i965: scissor rect was inverted when rendering to texture (cherry picked from commit 3b23a8e07d)

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Brian Paul 2009-01-26 11:38:30 -07:00 • committed by Ian Romanick
parent 801f933694
commit 8afb8a8145
1 changed files with 14 additions and 4 deletions
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18
src/mesa/drivers/dri/i965/brw_sf_state.c
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@ -84,10 +84,20 @@ static void upload_sf_vp(struct brw_context *brw)
* Note that the hardware's coordinates are inclusive, while Mesa's min is
* inclusive but max is exclusive.
*/
sfv.scissor.xmin = ctx->DrawBuffer->_Xmin;
sfv.scissor.xmax = ctx->DrawBuffer->_Xmax - 1;
sfv.scissor.ymin = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymax;
sfv.scissor.ymax = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymin - 1;
if (intel_rendering_to_texture(ctx)) {
/* texmemory: Y=0=bottom */
sfv.scissor.xmin = ctx->DrawBuffer->_Xmin;
sfv.scissor.xmax = ctx->DrawBuffer->_Xmax - 1;
sfv.scissor.ymin = ctx->DrawBuffer->_Ymin;
sfv.scissor.ymax = ctx->DrawBuffer->_Ymax - 1;
}
else {
/* memory: Y=0=top */
sfv.scissor.xmin = ctx->DrawBuffer->_Xmin;
sfv.scissor.xmax = ctx->DrawBuffer->_Xmax - 1;
sfv.scissor.ymin = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymax;
sfv.scissor.ymax = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymin - 1;
}
dri_bo_unreference(brw->sf.vp_bo);
brw->sf.vp_bo = brw_cache_data( &brw->cache, BRW_SF_VP, &sfv, NULL, 0 );