From 2dd27cfdd981b3b2c973066082b1168c4cb6f42c Mon Sep 17 00:00:00 2001 From: Brian Date: Wed, 17 Oct 2007 11:24:06 -0600 Subject: [PATCH] Fix viewport Z scale/bias to get the right Z values from drawing the quad. --- src/mesa/state_tracker/st_cb_clear.c | 6 +++--- src/mesa/state_tracker/st_cb_drawpixels.c | 4 ++-- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c index 4f269ed3f7a..c0ea1a4bf6c 100644 --- a/src/mesa/state_tracker/st_cb_clear.c +++ b/src/mesa/state_tracker/st_cb_clear.c @@ -326,7 +326,7 @@ clear_with_quad(GLcontext *ctx, pipe->bind_depth_stencil_state(pipe, cso->data); } - /* setup state: nothing */ + /* rasterizer state: nothing */ { struct pipe_rasterizer_state raster; const struct cso_rasterizer *cso; @@ -367,11 +367,11 @@ clear_with_quad(GLcontext *ctx, struct pipe_viewport_state vp; vp.scale[0] = 0.5 * width; vp.scale[1] = -0.5 * height; - vp.scale[2] = 0.5; + vp.scale[2] = 1.0; vp.scale[3] = 1.0; vp.translate[0] = 0.5 * width; vp.translate[1] = 0.5 * height; - vp.translate[2] = 0.5; + vp.translate[2] = 0.0; vp.translate[3] = 0.0; pipe->set_viewport_state(pipe, &vp); } diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c index 97d4f41ed9d..9031ef46dfe 100644 --- a/src/mesa/state_tracker/st_cb_drawpixels.c +++ b/src/mesa/state_tracker/st_cb_drawpixels.c @@ -570,11 +570,11 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z, struct pipe_viewport_state vp; vp.scale[0] = 0.5 * width; vp.scale[1] = -0.5 * height; - vp.scale[2] = 0.5; + vp.scale[2] = 1.0; vp.scale[3] = 1.0; vp.translate[0] = 0.5 * width; vp.translate[1] = 0.5 * height; - vp.translate[2] = 0.5; + vp.translate[2] = 0.0; vp.translate[3] = 0.0; pipe->set_viewport_state(pipe, &vp); } -- 2.30.2