Mesa (floating): mesa/st: use unclamped colors

[Luca Barbieri]

Module: Mesa
Branch: floating
Commit: 2fd30a8a6f29f2ae37ac8ee827f8e88c7992f844
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2fd30a8a6f29f2ae37ac8ee827f8e88c7992f844

Author: Luca Barbieri <luca at luca-barbieri.com>
Date:   Thu Aug 26 17:53:41 2010 +0200

mesa/st: use unclamped colors

This assumes that Gallium is to be interpreted as given drivers the
responsibility to clamp these colors if necessary.

---

 src/mesa/state_tracker/st_atom_blend.c |    2 +-
 src/mesa/state_tracker/st_atom_depth.c |    2 +-
 src/mesa/state_tracker/st_cb_clear.c   |    6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/mesa/state_tracker/st_atom_blend.c b/src/mesa/state_tracker/st_atom_blend.c
index 2140360..f0cf243 100644
--- a/src/mesa/state_tracker/st_atom_blend.c
+++ b/src/mesa/state_tracker/st_atom_blend.c
@@ -270,7 +270,7 @@ update_blend( struct st_context *st )
 
    {
       struct pipe_blend_color bc;
-      COPY_4FV(bc.color, st->ctx->Color.BlendColor);
+      COPY_4FV(bc.color, st->ctx->Color.BlendColorUnclamped);
       cso_set_blend_color(st->cso_context, &bc);
    }
 }
diff --git a/src/mesa/state_tracker/st_atom_depth.c b/src/mesa/state_tracker/st_atom_depth.c
index 1616e94..1541e31 100644
--- a/src/mesa/state_tracker/st_atom_depth.c
+++ b/src/mesa/state_tracker/st_atom_depth.c
@@ -142,7 +142,7 @@ update_depth_stencil_alpha(struct st_context *st)
    if (ctx->Color.AlphaEnabled) {
       dsa->alpha.enabled = 1;
       dsa->alpha.func = st_compare_func_to_pipe(ctx->Color.AlphaFunc);
-      dsa->alpha.ref_value = ctx->Color.AlphaRef;
+      dsa->alpha.ref_value = ctx->Color.AlphaRefUnclamped;
    }
 
    cso_set_depth_stencil_alpha(st->cso_context, dsa);
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c
index 246ab2e..a630266 100644
--- a/src/mesa/state_tracker/st_cb_clear.c
+++ b/src/mesa/state_tracker/st_cb_clear.c
@@ -297,7 +297,8 @@ clear_with_quad(GLcontext *ctx,
 
    /* draw quad matching scissor rect (XXX verify coord round-off) */
    draw_quad(st, x0, y0, x1, y1,
-             (GLfloat) ctx->Depth.Clear, ctx->Color.ClearColor);
+             (GLfloat) ctx->Depth.Clear,
+             ctx->Color.ClearColorUnclamped);
 
    /* Restore pipe state */
    cso_restore_blend(st->cso_context);
@@ -547,8 +548,7 @@ st_Clear(GLcontext *ctx, GLbitfield mask)
           (ctx->DrawBuffer->Visual.depthBits == 0 ||
            ctx->DrawBuffer->Visual.stencilBits == 0))
          clear_buffers |= PIPE_CLEAR_DEPTHSTENCIL;
-      st->pipe->clear(st->pipe, clear_buffers, ctx->Color.ClearColor,
-                      ctx->Depth.Clear, ctx->Stencil.Clear);
+      st->pipe->clear(st->pipe, clear_buffers, ctx->Color.ClearColorUnclamped, ctx->Depth.Clear, ctx->Stencil.Clear);
    }
    if (mask & BUFFER_BIT_ACCUM)
       st_clear_accum_buffer(ctx,