From 406da44da31f71afd98fc45e2bbfbf41deff1d12 Mon Sep 17 00:00:00 2001
From: Brian <brian@i915.localnet.net>
Date: Thu, 2 Aug 2007 13:48:02 -0600
Subject: setup more state for clear_with_quad()

---
 src/mesa/state_tracker/st_cb_clear.c | 49 +++++++++++++++++++++++-------------
 1 file changed, 31 insertions(+), 18 deletions(-)

(limited to 'src/mesa/state_tracker')

diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c
index 8e2e30253ed..85df549404a 100644
--- a/src/mesa/state_tracker/st_cb_clear.c
+++ b/src/mesa/state_tracker/st_cb_clear.c
@@ -96,12 +96,34 @@ clear_with_quad(GLcontext *ctx,
                 GLboolean color, GLboolean depth, GLboolean stencil)
 {
    struct st_context *st = ctx->st;
+   struct pipe_alpha_test_state alpha_test;
    struct pipe_blend_state blend;
    struct pipe_depth_state depth_test;
    struct pipe_stencil_state stencil_test;
+   struct pipe_setup_state setup;
+
+   /* alpha state: disabled */
+   memset(&alpha_test, 0, sizeof(alpha_test));
+   st->pipe->set_alpha_test_state(st->pipe, &alpha_test);
+
+   /* blend state: RGBA masking */
+   memset(&blend, 0, sizeof(blend));
+   if (color) {
+      if (ctx->Color.ColorMask[0])
+         blend.colormask |= PIPE_MASK_R;
+      if (ctx->Color.ColorMask[1])
+         blend.colormask |= PIPE_MASK_G;
+      if (ctx->Color.ColorMask[2])
+         blend.colormask |= PIPE_MASK_B;
+      if (ctx->Color.ColorMask[3])
+         blend.colormask |= PIPE_MASK_A;
+      if (st->ctx->Color.DitherFlag)
+         blend.dither = 1;
+   }
+   st->pipe->set_blend_state(st->pipe, &blend);
 
    /* depth state: always pass */
-   memset(&depth_test, 0, sizeof(depth));
+   memset(&depth_test, 0, sizeof(depth_test));
    if (depth) {
       depth_test.enabled = 1;
       depth_test.writemask = 1;
@@ -109,8 +131,12 @@ clear_with_quad(GLcontext *ctx,
    }
    st->pipe->set_depth_state(st->pipe, &depth_test);
 
+   /* setup state: nothing */
+   memset(&setup, 0, sizeof(setup));
+   st->pipe->set_setup_state(st->pipe, &setup);
+
    /* stencil state: always set to ref value */
-   memset(&stencil_test, 0, sizeof(stencil));
+   memset(&stencil_test, 0, sizeof(stencil_test));
    if (stencil) {
       stencil_test.front_enabled = 1;
       stencil_test.front_func = PIPE_FUNC_ALWAYS;
@@ -123,22 +149,7 @@ clear_with_quad(GLcontext *ctx,
    }
    st->pipe->set_stencil_state(st->pipe, &stencil_test);
 
-   /* blend state: RGBA masking */
-   memset(&blend, 0, sizeof(blend));
-   if (color) {
-      if (ctx->Color.ColorMask[0])
-         blend.colormask |= PIPE_MASK_R;
-      if (ctx->Color.ColorMask[1])
-         blend.colormask |= PIPE_MASK_G;
-      if (ctx->Color.ColorMask[2])
-         blend.colormask |= PIPE_MASK_B;
-      if (ctx->Color.ColorMask[3])
-         blend.colormask |= PIPE_MASK_A;
-      if (st->ctx->Color.DitherFlag)
-         blend.dither = 1;
-   }
-   st->pipe->set_blend_state(st->pipe, &blend);
-
+   /* draw quad matching scissor rect (XXX verify coord round-off) */
    draw_quad(ctx,
              ctx->Scissor.X, ctx->Scissor.Y,
              ctx->Scissor.X + ctx->Scissor.Width,
@@ -146,8 +157,10 @@ clear_with_quad(GLcontext *ctx,
              ctx->Depth.Clear, ctx->Color.ClearColor);
 
    /* Restore GL state */
+   st->pipe->set_alpha_test_state(st->pipe, &st->state.alpha_test);
    st->pipe->set_blend_state(st->pipe, &st->state.blend);
    st->pipe->set_depth_state(st->pipe, &st->state.depth);
+   st->pipe->set_setup_state(st->pipe, &st->state.setup);
    st->pipe->set_stencil_state(st->pipe, &st->state.stencil);
    /* OR:
    st_invalidate_state(ctx, _NEW_COLOR | _NEW_DEPTH | _NEW_STENCIL);
-- 
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