util/blitter: Fix the viewport transformation for Z coordinates

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

View file

@ -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);