i965/vec4: Make with_writemask() non-static.
[mesa.git] / src / mesa / drivers / dri / i965 / brw_sf.c
index f4a6f54d1e31e89e0e781a6831ebde6c077220b9..163407878395e5cc0ba16f8ec0bd51cb4bce7c46 100644 (file)
@@ -32,7 +32,9 @@
 
 #include "main/glheader.h"
 #include "main/macros.h"
+#include "main/mtypes.h"
 #include "main/enums.h"
+#include "main/fbobject.h"
 
 #include "intel_batchbuffer.h"
 
@@ -48,7 +50,6 @@
 static void compile_sf_prog( struct brw_context *brw,
                             struct brw_sf_prog_key *key )
 {
-   struct intel_context *intel = &brw->intel;
    struct brw_sf_compile c;
    const GLuint *program;
    void *mem_ctx;
@@ -63,31 +64,42 @@ static void compile_sf_prog( struct brw_context *brw,
    brw_init_compile(brw, &c.func, mem_ctx);
 
    c.key = *key;
-   brw_compute_vue_map(&c.vue_map, intel, c.key.nr_userclip, c.key.attrs);
-   c.urb_entry_read_offset = brw_sf_compute_urb_entry_read_offset(intel);
+   c.vue_map = brw->vue_map_geom_out;
+   if (c.key.do_point_coord) {
+      /*
+       * gl_PointCoord is a FS instead of VS builtin variable, thus it's
+       * not included in c.vue_map generated in VS stage. Here we add
+       * it manually to let SF shader generate the needed interpolation
+       * coefficient for FS shader.
+       */
+      c.vue_map.varying_to_slot[BRW_VARYING_SLOT_PNTC] = c.vue_map.num_slots;
+      c.vue_map.slot_to_varying[c.vue_map.num_slots++] = BRW_VARYING_SLOT_PNTC;
+   }
+   c.urb_entry_read_offset = BRW_SF_URB_ENTRY_READ_OFFSET;
    c.nr_attr_regs = (c.vue_map.num_slots + 1)/2 - c.urb_entry_read_offset;
    c.nr_setup_regs = c.nr_attr_regs;
 
    c.prog_data.urb_read_length = c.nr_attr_regs;
    c.prog_data.urb_entry_size = c.nr_setup_regs * 2;
+   c.has_flat_shading = brw_any_flat_varyings(&key->interpolation_mode);
 
    /* Which primitive?  Or all three? 
     */
    switch (key->primitive) {
    case SF_TRIANGLES:
       c.nr_verts = 3;
-      brw_emit_tri_setup( &c, GL_TRUE );
+      brw_emit_tri_setup( &c, true );
       break;
    case SF_LINES:
       c.nr_verts = 2;
-      brw_emit_line_setup( &c, GL_TRUE );
+      brw_emit_line_setup( &c, true );
       break;
    case SF_POINTS:
       c.nr_verts = 1;
       if (key->do_point_sprite)
-         brw_emit_point_sprite_setup( &c, GL_TRUE );
+         brw_emit_point_sprite_setup( &c, true );
       else
-         brw_emit_point_setup( &c, GL_TRUE );
+         brw_emit_point_setup( &c, true );
       break;
    case SF_UNFILLED_TRIS:
       c.nr_verts = 3;
@@ -106,7 +118,7 @@ static void compile_sf_prog( struct brw_context *brw,
       printf("sf:\n");
       for (i = 0; i < program_size / sizeof(struct brw_instruction); i++)
         brw_disasm(stdout, &((struct brw_instruction *)program)[i],
-                   intel->gen);
+                   brw->gen);
       printf("\n");
    }
 
@@ -120,27 +132,30 @@ static void compile_sf_prog( struct brw_context *brw,
 
 /* Calculate interpolants for triangle and line rasterization.
  */
-static void upload_sf_prog(struct brw_context *brw)
+static void
+brw_upload_sf_prog(struct brw_context *brw)
 {
-   struct gl_context *ctx = &brw->intel.ctx;
+   struct gl_context *ctx = &brw->ctx;
    struct brw_sf_prog_key key;
+   /* _NEW_BUFFERS */
+   bool render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
 
    memset(&key, 0, sizeof(key));
 
    /* Populate the key, noting state dependencies:
     */
-   /* CACHE_NEW_VS_PROG */
-   key.attrs = brw->vs.prog_data->outputs_written; 
+   /* BRW_NEW_VUE_MAP_GEOM_OUT */
+   key.attrs = brw->vue_map_geom_out.slots_valid;
 
    /* BRW_NEW_REDUCED_PRIMITIVE */
-   switch (brw->intel.reduced_primitive) {
+   switch (brw->reduced_primitive) {
    case GL_TRIANGLES: 
       /* NOTE: We just use the edgeflag attribute as an indicator that
        * unfilled triangles are active.  We don't actually do the
        * edgeflag testing here, it is already done in the clip
        * program.
        */
-      if (key.attrs & BITFIELD64_BIT(VERT_RESULT_EDGE))
+      if (key.attrs & BITFIELD64_BIT(VARYING_SLOT_EDGE))
         key.primitive = SF_UNFILLED_TRIS;
       else
         key.primitive = SF_TRIANGLES;
@@ -154,7 +169,7 @@ static void upload_sf_prog(struct brw_context *brw)
    }
 
    /* _NEW_TRANSFORM */
-   key.nr_userclip = _mesa_bitcount_64(ctx->Transform.ClipPlanesEnabled);
+   key.userclip_active = (ctx->Transform.ClipPlanesEnabled != 0);
 
    /* _NEW_POINT */
    key.do_point_sprite = ctx->Point.PointSprite;
@@ -166,19 +181,29 @@ static void upload_sf_prog(struct brw_context *brw)
            key.point_sprite_coord_replace |= (1 << i);
       }
    }
-   key.sprite_origin_lower_left = (ctx->Point.SpriteOrigin == GL_LOWER_LEFT);
-   /* _NEW_LIGHT */
-   key.do_flat_shading = (ctx->Light.ShadeModel == GL_FLAT);
-   key.do_twoside_color = (ctx->Light.Enabled && ctx->Light.Model.TwoSide);
+   if (brw->fragment_program->Base.InputsRead & BITFIELD64_BIT(VARYING_SLOT_PNTC))
+      key.do_point_coord = 1;
+   /*
+    * Window coordinates in a FBO are inverted, which means point
+    * sprite origin must be inverted, too.
+    */
+   if ((ctx->Point.SpriteOrigin == GL_LOWER_LEFT) != render_to_fbo)
+      key.sprite_origin_lower_left = true;
+
+   /* BRW_NEW_INTERPOLATION_MAP */
+   key.interpolation_mode = brw->interpolation_mode;
+
+   /* _NEW_LIGHT | _NEW_PROGRAM */
+   key.do_twoside_color = ((ctx->Light.Enabled && ctx->Light.Model.TwoSide) ||
+                           ctx->VertexProgram._TwoSideEnabled);
 
    /* _NEW_POLYGON */
    if (key.do_twoside_color) {
       /* If we're rendering to a FBO, we have to invert the polygon
        * face orientation, just as we invert the viewport in
-       * sf_unit_create_from_key().  ctx->DrawBuffer->Name will be
-       * nonzero if we're rendering to such an FBO.
+       * sf_unit_create_from_key().
        */
-      key.frontface_ccw = (ctx->Polygon.FrontFace == GL_CCW) ^ (ctx->DrawBuffer->Name != 0);
+      key.frontface_ccw = (ctx->Polygon.FrontFace == GL_CCW) != render_to_fbo;
    }
 
    if (!brw_search_cache(&brw->cache, BRW_SF_PROG,
@@ -191,10 +216,12 @@ static void upload_sf_prog(struct brw_context *brw)
 
 const struct brw_tracked_state brw_sf_prog = {
    .dirty = {
-      .mesa  = (_NEW_HINT | _NEW_LIGHT | _NEW_POLYGON | _NEW_POINT | _NEW_TRANSFORM),
-      .brw   = (BRW_NEW_REDUCED_PRIMITIVE),
-      .cache = CACHE_NEW_VS_PROG
+      .mesa  = (_NEW_HINT | _NEW_LIGHT | _NEW_POLYGON | _NEW_POINT |
+                _NEW_TRANSFORM | _NEW_BUFFERS | _NEW_PROGRAM),
+      .brw   = (BRW_NEW_REDUCED_PRIMITIVE |
+                BRW_NEW_VUE_MAP_GEOM_OUT |
+                BRW_NEW_INTERPOLATION_MAP)
    },
-   .prepare = upload_sf_prog
+   .emit = brw_upload_sf_prog
 };