Mesa (master): st/vega: Initialize pipe states with renderer.

[Chia-I Wu]

Module: Mesa
Branch: master
Commit: d7a6901cac48cc3c4eea24113e108ef9dce843c4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d7a6901cac48cc3c4eea24113e108ef9dce843c4

Author: Chia-I Wu <olv at lunarg.com>
Date:   Wed Dec  1 17:13:09 2010 +0800

st/vega: Initialize pipe states with renderer.

Initialize vertex elements, rasterizer, stencil ref, and vertex shader
with renderer_create.  Remove RASTERIZER_DIRTY and VS_DIRTY flags.

---

 src/gallium/state_trackers/vega/renderer.c   |   37 ++++++++++++++------------
 src/gallium/state_trackers/vega/vg_context.c |    2 +-
 src/gallium/state_trackers/vega/vg_context.h |   15 +++++-----
 3 files changed, 28 insertions(+), 26 deletions(-)

diff --git a/src/gallium/state_trackers/vega/renderer.c b/src/gallium/state_trackers/vega/renderer.c
index 8a195f3..7d0ff32 100644
--- a/src/gallium/state_trackers/vega/renderer.c
+++ b/src/gallium/state_trackers/vega/renderer.c
@@ -508,7 +508,6 @@ static void renderer_quad_draw(struct renderer *r)
                                  sizeof(r->vertices),
                                  PIPE_BIND_VERTEX_BUFFER);
    if (buf) {
-      cso_set_vertex_elements(r->cso, 2, r->velems);
       util_draw_vertex_buffer(r->pipe, buf, 0,
                               PIPE_PRIM_TRIANGLE_FAN,
                               Elements(r->vertices),     /* verts */
@@ -912,6 +911,7 @@ VGboolean renderer_polygon_stencil_begin(struct renderer *renderer,
 
    assert(renderer->state == RENDERER_STATE_INIT);
 
+   cso_save_vertex_elements(renderer->cso);
    cso_save_blend(renderer->cso);
    cso_save_depth_stencil_alpha(renderer->cso);
 
@@ -1015,6 +1015,8 @@ void renderer_polygon_stencil_end(struct renderer *renderer)
    if (renderer->u.polygon_stencil.manual_two_sides)
       cso_restore_rasterizer(renderer->cso);
 
+   cso_restore_vertex_elements(renderer->cso);
+
    /* restore color writes */
    cso_restore_blend(renderer->cso);
 
@@ -1031,17 +1033,12 @@ VGboolean renderer_polygon_fill_begin(struct renderer *renderer,
                                       VGboolean save_dsa)
 {
    struct pipe_depth_stencil_alpha_state dsa;
-   struct pipe_stencil_ref sr;
 
    assert(renderer->state == RENDERER_STATE_INIT);
 
    if (save_dsa)
       cso_save_depth_stencil_alpha(renderer->cso);
 
-   /* only need a fixed 0. Rely on default or move it out at least? */
-   memset(&sr, 0, sizeof(sr));
-   cso_set_stencil_ref(renderer->cso, &sr);
-
    /* setup stencil ops */
    memset(&dsa, 0, sizeof(dsa));
    dsa.stencil[0].enabled = 1;
@@ -1086,9 +1083,12 @@ void renderer_polygon_fill_end(struct renderer *renderer)
 
 struct renderer * renderer_create(struct vg_context *owner)
 {
+   struct renderer *renderer;
+   struct pipe_rasterizer_state *raster;
+   struct pipe_stencil_ref sr;
    VGint i;
-   struct renderer *renderer = CALLOC_STRUCT(renderer);
 
+   renderer = CALLOC_STRUCT(renderer);
    if (!renderer)
       return NULL;
 
@@ -1105,6 +1105,19 @@ struct renderer * renderer_create(struct vg_context *owner)
       renderer->velems[i].vertex_buffer_index = 0;
       renderer->velems[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
    }
+   cso_set_vertex_elements(renderer->cso, 2, renderer->velems);
+
+   /* GL rasterization rules */
+   raster = &renderer->g3d.rasterizer;
+   memset(raster, 0, sizeof(*raster));
+   raster->gl_rasterization_rules = 1;
+   cso_set_rasterizer(renderer->cso, raster);
+
+   /* fixed at 0 */
+   memset(&sr, 0, sizeof(sr));
+   cso_set_stencil_ref(renderer->cso, &sr);
+
+   renderer_set_vs(renderer, RENDERER_VS_PLAIN);
 
    renderer->state = RENDERER_STATE_INIT;
 
@@ -1258,13 +1271,6 @@ void renderer_validate(struct renderer *renderer,
       cso_set_blend(renderer->cso, &blend);
    }
 
-   if (dirty & RASTERIZER_DIRTY) {
-      struct pipe_rasterizer_state *raster = &renderer->g3d.rasterizer;
-      memset(raster, 0, sizeof(struct pipe_rasterizer_state));
-      raster->gl_rasterization_rules = 1;
-      cso_set_rasterizer(renderer->cso, raster);
-   }
-
    if (dirty & FRAMEBUFFER_DIRTY) {
       struct pipe_framebuffer_state *fb = &renderer->g3d.fb;
       struct pipe_resource **cbuf = &renderer->vs_const_buffer;
@@ -1309,9 +1315,6 @@ void renderer_validate(struct renderer *renderer,
       }
    }
 
-   if (dirty & VS_DIRTY)
-      renderer_set_vs(renderer, RENDERER_VS_PLAIN);
-
    /* must be last because it renders to the depth buffer*/
    if (dirty & DEPTH_STENCIL_DIRTY) {
       update_clip_state(renderer, state);
diff --git a/src/gallium/state_trackers/vega/vg_context.c b/src/gallium/state_trackers/vega/vg_context.c
index beb5f06..5b07265 100644
--- a/src/gallium/state_trackers/vega/vg_context.c
+++ b/src/gallium/state_trackers/vega/vg_context.c
@@ -407,7 +407,7 @@ void vg_validate_state(struct vg_context *ctx)
    renderer_validate(ctx->renderer, ctx->state.dirty,
          ctx->draw_buffer, &ctx->state.vg);
 
-   ctx->state.dirty = NONE_DIRTY;
+   ctx->state.dirty = 0;
 
    shader_set_masking(ctx->shader, ctx->state.vg.masking);
    shader_set_image_mode(ctx->shader, ctx->state.vg.image_mode);
diff --git a/src/gallium/state_trackers/vega/vg_context.h b/src/gallium/state_trackers/vega/vg_context.h
index 7e92115..d616a20 100644
--- a/src/gallium/state_trackers/vega/vg_context.h
+++ b/src/gallium/state_trackers/vega/vg_context.h
@@ -78,14 +78,13 @@ enum vg_object_type {
    VG_OBJECT_LAST
 };
 enum dirty_state {
-   NONE_DIRTY          = 0<<0,
-   BLEND_DIRTY         = 1<<1,
-   RASTERIZER_DIRTY    = 1<<2,
-   FRAMEBUFFER_DIRTY   = 1<<3,
-   VS_DIRTY            = 1<<4,
-   DEPTH_STENCIL_DIRTY = 1<<5,
-   ALL_DIRTY           = BLEND_DIRTY | RASTERIZER_DIRTY |
-   FRAMEBUFFER_DIRTY | VS_DIRTY | DEPTH_STENCIL_DIRTY
+   BLEND_DIRTY         = 1 << 0,
+   FRAMEBUFFER_DIRTY   = 1 << 1,
+   DEPTH_STENCIL_DIRTY = 1 << 2,
+
+   ALL_DIRTY           = BLEND_DIRTY |
+                         FRAMEBUFFER_DIRTY |
+                         DEPTH_STENCIL_DIRTY
 };
 
 struct vg_context