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gallium: use identity viewport fix broken clear_with_quad() path

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Since bypass_clipping is set and we're specifying quad vertexes in window
coords, setup identity viewport.
This commit is contained in:
Brian Paul
2008-04-03 12:42:26 -06:00
parent 0bc2e2c9cd
commit 4f67a3f7d3
1 changed files with 5 additions and 7 deletions
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12
src/mesa/state_tracker/st_cb_clear.c
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@@ -271,17 +271,15 @@ clear_with_quad(GLcontext *ctx,
#endif #endif
#if !TEST_DRAW_PASSTHROUGH #if !TEST_DRAW_PASSTHROUGH
/* viewport state: viewport matching window dims */ /* viewport state: identity since we're drawing in window coords */
{ {
const float width = ctx->DrawBuffer->Width;
const float height = ctx->DrawBuffer->Height;
struct pipe_viewport_state vp; struct pipe_viewport_state vp;
vp.scale[0] = 0.5 * width; vp.scale[0] = 1.0;
vp.scale[1] = -0.5 * height; vp.scale[1] = 1.0;
vp.scale[2] = 1.0; vp.scale[2] = 1.0;
vp.scale[3] = 1.0; vp.scale[3] = 1.0;
vp.translate[0] = 0.5 * width; vp.translate[0] = 0.0;
vp.translate[1] = 0.5 * height; vp.translate[1] = 0.0;
vp.translate[2] = 0.0; vp.translate[2] = 0.0;
vp.translate[3] = 0.0; vp.translate[3] = 0.0;
cso_set_viewport(st->cso_context, &vp); cso_set_viewport(st->cso_context, &vp);