i965/vec4: Make with_writemask() non-static.
[mesa.git] / src / mesa / drivers / dri / i965 / brw_draw.c
index 5d1a7aea2092d951a9f8b2b69647708cd49c0aff..37f5e3867e6d53ea6e681df85593b0a3a22d6395 100644 (file)
@@ -54,7 +54,7 @@
 
 #define FILE_DEBUG_FLAG DEBUG_PRIMS
 
-static GLuint prim_to_hw_prim[GL_POLYGON+1] = {
+const GLuint prim_to_hw_prim[GL_POLYGON+1] = {
    _3DPRIM_POINTLIST,
    _3DPRIM_LINELIST,
    _3DPRIM_LINELOOP,
@@ -90,7 +90,7 @@ static const GLenum reduced_prim[GL_POLYGON+1] = {
 static void brw_set_prim(struct brw_context *brw,
                          const struct _mesa_prim *prim)
 {
-   struct gl_context *ctx = &brw->intel.ctx;
+   struct gl_context *ctx = &brw->ctx;
    uint32_t hw_prim = prim_to_hw_prim[prim->mode];
 
    DBG("PRIM: %s\n", _mesa_lookup_enum_by_nr(prim->mode));
@@ -160,7 +160,6 @@ static void brw_emit_prim(struct brw_context *brw,
                          const struct _mesa_prim *prim,
                          uint32_t hw_prim)
 {
-   struct intel_context *intel = &brw->intel;
    int verts_per_instance;
    int vertex_access_type;
    int start_vertex_location;
@@ -172,16 +171,20 @@ static void brw_emit_prim(struct brw_context *brw,
    start_vertex_location = prim->start;
    base_vertex_location = prim->basevertex;
    if (prim->indexed) {
-      vertex_access_type = GEN4_3DPRIM_VERTEXBUFFER_ACCESS_RANDOM;
+      vertex_access_type = brw->gen >= 7 ?
+         GEN7_3DPRIM_VERTEXBUFFER_ACCESS_RANDOM :
+         GEN4_3DPRIM_VERTEXBUFFER_ACCESS_RANDOM;
       start_vertex_location += brw->ib.start_vertex_offset;
       base_vertex_location += brw->vb.start_vertex_bias;
    } else {
-      vertex_access_type = GEN4_3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL;
+      vertex_access_type = brw->gen >= 7 ?
+         GEN7_3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL :
+         GEN4_3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL;
       start_vertex_location += brw->vb.start_vertex_bias;
    }
 
    /* We only need to trim the primitive count on pre-Gen6. */
-   if (intel->gen < 6)
+   if (brw->gen < 6)
       verts_per_instance = trim(prim->mode, prim->count);
    else
       verts_per_instance = prim->count;
@@ -195,70 +198,20 @@ static void brw_emit_prim(struct brw_context *brw,
     * and missed flushes of the render cache as it heads to other parts of
     * the besides the draw code.
     */
-   if (intel->always_flush_cache) {
+   if (brw->always_flush_cache) {
       intel_batchbuffer_emit_mi_flush(brw);
    }
 
-   BEGIN_BATCH(6);
-   OUT_BATCH(CMD_3D_PRIM << 16 | (6 - 2) |
-            hw_prim << GEN4_3DPRIM_TOPOLOGY_TYPE_SHIFT |
-            vertex_access_type);
-   OUT_BATCH(verts_per_instance);
-   OUT_BATCH(start_vertex_location);
-   OUT_BATCH(prim->num_instances);
-   OUT_BATCH(prim->base_instance);
-   OUT_BATCH(base_vertex_location);
-   ADVANCE_BATCH();
-
-   intel->batch.need_workaround_flush = true;
-
-   if (intel->always_flush_cache) {
-      intel_batchbuffer_emit_mi_flush(brw);
-   }
-}
-
-static void gen7_emit_prim(struct brw_context *brw,
-                          const struct _mesa_prim *prim,
-                          uint32_t hw_prim)
-{
-   struct intel_context *intel = &brw->intel;
-   int verts_per_instance;
-   int vertex_access_type;
-   int start_vertex_location;
-   int base_vertex_location;
-
-   DBG("PRIM: %s %d %d\n", _mesa_lookup_enum_by_nr(prim->mode),
-       prim->start, prim->count);
-
-   start_vertex_location = prim->start;
-   base_vertex_location = prim->basevertex;
-   if (prim->indexed) {
-      vertex_access_type = GEN7_3DPRIM_VERTEXBUFFER_ACCESS_RANDOM;
-      start_vertex_location += brw->ib.start_vertex_offset;
-      base_vertex_location += brw->vb.start_vertex_bias;
+   if (brw->gen >= 7) {
+      BEGIN_BATCH(7);
+      OUT_BATCH(CMD_3D_PRIM << 16 | (7 - 2));
+      OUT_BATCH(hw_prim | vertex_access_type);
    } else {
-      vertex_access_type = GEN7_3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL;
-      start_vertex_location += brw->vb.start_vertex_bias;
+      BEGIN_BATCH(6);
+      OUT_BATCH(CMD_3D_PRIM << 16 | (6 - 2) |
+                hw_prim << GEN4_3DPRIM_TOPOLOGY_TYPE_SHIFT |
+                vertex_access_type);
    }
-
-   verts_per_instance = prim->count;
-
-   /* If nothing to emit, just return. */
-   if (verts_per_instance == 0)
-      return;
-
-   /* If we're set to always flush, do it before and after the primitive emit.
-    * We want to catch both missed flushes that hurt instruction/state cache
-    * and missed flushes of the render cache as it heads to other parts of
-    * the besides the draw code.
-    */
-   if (intel->always_flush_cache) {
-      intel_batchbuffer_emit_mi_flush(brw);
-   }
-
-   BEGIN_BATCH(7);
-   OUT_BATCH(CMD_3D_PRIM << 16 | (7 - 2));
-   OUT_BATCH(hw_prim | vertex_access_type);
    OUT_BATCH(verts_per_instance);
    OUT_BATCH(start_vertex_location);
    OUT_BATCH(prim->num_instances);
@@ -266,7 +219,10 @@ static void gen7_emit_prim(struct brw_context *brw,
    OUT_BATCH(base_vertex_location);
    ADVANCE_BATCH();
 
-   if (intel->always_flush_cache) {
+   /* Only used on Sandybridge; harmless to set elsewhere. */
+   brw->batch.need_workaround_flush = true;
+
+   if (brw->always_flush_cache) {
       intel_batchbuffer_emit_mi_flush(brw);
    }
 }
@@ -301,7 +257,7 @@ static void brw_merge_inputs( struct brw_context *brw,
 static void
 brw_predraw_resolve_buffers(struct brw_context *brw)
 {
-   struct gl_context *ctx = &brw->intel.ctx;
+   struct gl_context *ctx = &brw->ctx;
    struct intel_renderbuffer *depth_irb;
    struct intel_texture_object *tex_obj;
 
@@ -335,12 +291,13 @@ brw_predraw_resolve_buffers(struct brw_context *brw)
  */
 static void brw_postdraw_set_buffers_need_resolve(struct brw_context *brw)
 {
-   struct gl_context *ctx = &brw->intel.ctx;
+   struct gl_context *ctx = &brw->ctx;
    struct gl_framebuffer *fb = ctx->DrawBuffer;
 
    struct intel_renderbuffer *front_irb = NULL;
    struct intel_renderbuffer *back_irb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT);
    struct intel_renderbuffer *depth_irb = intel_get_renderbuffer(fb, BUFFER_DEPTH);
+   struct gl_renderbuffer_attachment *depth_att = &fb->Attachment[BUFFER_DEPTH];
 
    if (brw->is_front_buffer_rendering)
       front_irb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
@@ -350,7 +307,7 @@ static void brw_postdraw_set_buffers_need_resolve(struct brw_context *brw)
    if (back_irb)
       intel_renderbuffer_set_needs_downsample(back_irb);
    if (depth_irb && ctx->Depth.Mask)
-      intel_renderbuffer_set_needs_depth_resolve(depth_irb);
+      intel_renderbuffer_att_set_needs_depth_resolve(depth_att);
 }
 
 /* May fail if out of video memory for texture or vbo upload, or on
@@ -358,13 +315,12 @@ static void brw_postdraw_set_buffers_need_resolve(struct brw_context *brw)
  */
 static bool brw_try_draw_prims( struct gl_context *ctx,
                                     const struct gl_client_array *arrays[],
-                                    const struct _mesa_prim *prim,
+                                    const struct _mesa_prim *prims,
                                     GLuint nr_prims,
                                     const struct _mesa_index_buffer *ib,
                                     GLuint min_index,
                                     GLuint max_index )
 {
-   struct intel_context *intel = intel_context(ctx);
    struct brw_context *brw = brw_context(ctx);
    bool retval = true;
    GLuint i;
@@ -373,6 +329,16 @@ static bool brw_try_draw_prims( struct gl_context *ctx,
    if (ctx->NewState)
       _mesa_update_state( ctx );
 
+   /* Find the highest sampler unit used by each shader program.  A bit-count
+    * won't work since ARB programs use the texture unit number as the sampler
+    * index.
+    */
+   brw->wm.sampler_count = _mesa_fls(ctx->FragmentProgram._Current->Base.SamplersUsed);
+   brw->gs.base.sampler_count = ctx->GeometryProgram._Current ?
+      _mesa_fls(ctx->GeometryProgram._Current->Base.SamplersUsed) : 0;
+   brw->vs.base.sampler_count =
+      _mesa_fls(ctx->VertexProgram._Current->Base.SamplersUsed);
+
    /* We have to validate the textures *before* checking for fallbacks;
     * otherwise, the software fallback won't be able to rely on the
     * texture state, the firstLevel and lastLevel fields won't be
@@ -424,18 +390,18 @@ static bool brw_try_draw_prims( struct gl_context *ctx,
       intel_batchbuffer_require_space(brw, estimated_max_prim_size, false);
       intel_batchbuffer_save_state(brw);
 
-      if (brw->num_instances != prim->num_instances) {
-         brw->num_instances = prim->num_instances;
+      if (brw->num_instances != prims[i].num_instances) {
+         brw->num_instances = prims[i].num_instances;
          brw->state.dirty.brw |= BRW_NEW_VERTICES;
       }
-      if (brw->basevertex != prim->basevertex) {
-         brw->basevertex = prim->basevertex;
+      if (brw->basevertex != prims[i].basevertex) {
+         brw->basevertex = prims[i].basevertex;
          brw->state.dirty.brw |= BRW_NEW_VERTICES;
       }
-      if (intel->gen < 6)
-        brw_set_prim(brw, &prim[i]);
+      if (brw->gen < 6)
+        brw_set_prim(brw, &prims[i]);
       else
-        gen6_set_prim(brw, &prim[i]);
+        gen6_set_prim(brw, &prims[i]);
 
 retry:
       /* Note that before the loop, brw->state.dirty.brw was set to != 0, and
@@ -444,18 +410,15 @@ retry:
        * brw->state.dirty.brw.
        */
       if (brw->state.dirty.brw) {
-        intel->no_batch_wrap = true;
+        brw->no_batch_wrap = true;
         brw_upload_state(brw);
       }
 
-      if (intel->gen >= 7)
-        gen7_emit_prim(brw, &prim[i], brw->primitive);
-      else
-        brw_emit_prim(brw, &prim[i], brw->primitive);
+      brw_emit_prim(brw, &prims[i], brw->primitive);
 
-      intel->no_batch_wrap = false;
+      brw->no_batch_wrap = false;
 
-      if (dri_bufmgr_check_aperture_space(&intel->batch.bo, 1)) {
+      if (dri_bufmgr_check_aperture_space(&brw->batch.bo, 1)) {
         if (!fail_next) {
            intel_batchbuffer_reset_to_saved(brw);
            intel_batchbuffer_flush(brw);
@@ -477,7 +440,7 @@ retry:
       }
    }
 
-   if (intel->always_flush_batch)
+   if (brw->always_flush_batch)
       intel_batchbuffer_flush(brw);
 
    brw_state_cache_check_size(brw);
@@ -487,7 +450,7 @@ retry:
 }
 
 void brw_draw_prims( struct gl_context *ctx,
-                    const struct _mesa_prim *prim,
+                    const struct _mesa_prim *prims,
                     GLuint nr_prims,
                     const struct _mesa_index_buffer *ib,
                     GLboolean index_bounds_valid,
@@ -495,14 +458,14 @@ void brw_draw_prims( struct gl_context *ctx,
                     GLuint max_index,
                     struct gl_transform_feedback_object *tfb_vertcount )
 {
-   struct intel_context *intel = intel_context(ctx);
+   struct brw_context *brw = brw_context(ctx);
    const struct gl_client_array **arrays = ctx->Array._DrawArrays;
 
    if (!_mesa_check_conditional_render(ctx))
       return;
 
    /* Handle primitive restart if needed */
-   if (brw_handle_primitive_restart(ctx, prim, nr_prims, ib)) {
+   if (brw_handle_primitive_restart(ctx, prims, nr_prims, ib)) {
       /* The draw was handled, so we can exit now */
       return;
    }
@@ -512,7 +475,7 @@ void brw_draw_prims( struct gl_context *ctx,
     * to upload.
     */
    if (!vbo_all_varyings_in_vbos(arrays) && !index_bounds_valid)
-      vbo_get_minmax_indices(ctx, prim, ib, &min_index, &max_index, nr_prims);
+      vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index, nr_prims);
 
    /* Do GL_SELECT and GL_FEEDBACK rendering using swrast, even though it
     * won't support all the extensions we support.
@@ -522,7 +485,7 @@ void brw_draw_prims( struct gl_context *ctx,
                  _mesa_lookup_enum_by_nr(ctx->RenderMode));
       _swsetup_Wakeup(ctx);
       _tnl_wakeup(ctx);
-      _tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
+      _tnl_draw_prims(ctx, arrays, prims, nr_prims, ib, min_index, max_index);
       return;
    }
 
@@ -530,12 +493,12 @@ void brw_draw_prims( struct gl_context *ctx,
     * manage it.  swrast doesn't support our featureset, so we can't fall back
     * to it.
     */
-   brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
+   brw_try_draw_prims(ctx, arrays, prims, nr_prims, ib, min_index, max_index);
 }
 
 void brw_draw_init( struct brw_context *brw )
 {
-   struct gl_context *ctx = &brw->intel.ctx;
+   struct gl_context *ctx = &brw->ctx;
    struct vbo_context *vbo = vbo_context(ctx);
    int i;