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util/blitter: Fix the viewport transformation for Z coordinates

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When clearing buffers, the depth is specified in the range [0, 1]
and should be passed through blitter "as is".
This commit is contained in:
Marek Olšák
2010-03-02 02:37:45 +01:00
committed by Michal Krol
parent b42455c4f4
commit ff9ddf4d39
1 changed files with 2 additions and 2 deletions
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src/gallium/auxiliary/util/u_blitter.c
+2 -2
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@@ -320,11 +320,11 @@ static void blitter_set_rectangle(struct blitter_context_priv *ctx,
/* viewport */
ctx->viewport.scale[0] = 0.5f * width;
ctx->viewport.scale[1] = 0.5f * height;
ctx->viewport.scale[2] = 0.5f;
ctx->viewport.scale[2] = 1.0f;
ctx->viewport.scale[3] = 1.0f;
ctx->viewport.translate[0] = 0.5f * width;
ctx->viewport.translate[1] = 0.5f * height;
ctx->viewport.translate[2] = 0.5f;
ctx->viewport.translate[2] = 0.0f;
ctx->viewport.translate[3] = 0.0f;
ctx->pipe->set_viewport_state(ctx->pipe, &ctx->viewport);