ilo: fix textureSize() for single-layered array textures
[mesa.git] / src / gallium / drivers / llvmpipe / lp_setup.c
index 46af2481d59be98cda647f066c33e89e6df5eda4..bafcf56b8033265ef51397863174eeec061d91e7 100644 (file)
@@ -66,9 +66,10 @@ static void
 lp_setup_get_empty_scene(struct lp_setup_context *setup)
 {
    struct llvmpipe_context *lp = llvmpipe_context(setup->pipe);
-   assert(setup->scene == NULL);
    boolean discard = lp->rasterizer ? lp->rasterizer->rasterizer_discard : FALSE;
 
+   assert(setup->scene == NULL);
+
    setup->scene_idx++;
    setup->scene_idx %= Elements(setup->scenes);
 
@@ -119,11 +120,15 @@ first_point( struct lp_setup_context *setup,
 
 void lp_setup_reset( struct lp_setup_context *setup )
 {
+   unsigned i;
+
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
 
    /* Reset derived state */
-   setup->constants.stored_size = 0;
-   setup->constants.stored_data = NULL;
+   for (i = 0; i < Elements(setup->constants); ++i) {
+      setup->constants[i].stored_size = 0;
+      setup->constants[i].stored_data = NULL;
+   }
    setup->fs.stored = NULL;
    setup->dirty = ~0;
 
@@ -176,7 +181,7 @@ begin_binning( struct lp_setup_context *setup )
    struct lp_scene *scene = setup->scene;
    boolean need_zsload = FALSE;
    boolean ok;
-   unsigned i, j;
+   unsigned i;
 
    assert(scene);
    assert(scene->fence == NULL);
@@ -187,15 +192,6 @@ begin_binning( struct lp_setup_context *setup )
    if (!scene->fence)
       return FALSE;
 
-   /* Initialize the bin flags and x/y coords:
-    */
-   for (i = 0; i < scene->tiles_x; i++) {
-      for (j = 0; j < scene->tiles_y; j++) {
-         scene->tile[i][j].x = i;
-         scene->tile[i][j].y = j;
-      }
-   }
-
    ok = try_update_scene_state(setup);
    if (!ok)
       return FALSE;
@@ -380,13 +376,13 @@ lp_setup_bind_framebuffer( struct lp_setup_context *setup,
 
 static boolean
 lp_setup_try_clear( struct lp_setup_context *setup,
-                    const float *color,
+                    const union pipe_color_union *color,
                     double depth,
                     unsigned stencil,
                     unsigned flags )
 {
-   uint32_t zsmask = 0;
-   uint32_t zsvalue = 0;
+   uint64_t zsmask = 0;
+   uint64_t zsvalue = 0;
    union lp_rast_cmd_arg color_arg;
    unsigned i;
 
@@ -394,21 +390,21 @@ lp_setup_try_clear( struct lp_setup_context *setup,
 
    if (flags & PIPE_CLEAR_COLOR) {
       for (i = 0; i < 4; i++)
-         color_arg.clear_color[i] = color[i];
+         color_arg.clear_color.i[i] = color->i[i];
    }
 
    if (flags & PIPE_CLEAR_DEPTHSTENCIL) {
       uint32_t zmask = (flags & PIPE_CLEAR_DEPTH) ? ~0 : 0;
-      uint32_t smask = (flags & PIPE_CLEAR_STENCIL) ? ~0 : 0;
+      uint8_t smask = (flags & PIPE_CLEAR_STENCIL) ? ~0 : 0;
 
-      zsvalue = util_pack_z_stencil(setup->fb.zsbuf->format,
-                                    depth,
-                                    stencil);
+      zsvalue = util_pack64_z_stencil(setup->fb.zsbuf->format,
+                                      depth,
+                                      stencil);
 
 
-      zsmask = util_pack_mask_z_stencil(setup->fb.zsbuf->format,
-                                        zmask,
-                                        smask);
+      zsmask = util_pack64_mask_z_stencil(setup->fb.zsbuf->format,
+                                          zmask,
+                                          smask);
 
       zsvalue &= zsmask;
    }
@@ -453,7 +449,7 @@ lp_setup_try_clear( struct lp_setup_context *setup,
       }
 
       if (flags & PIPE_CLEAR_COLOR) {
-         memcpy(setup->clear.color.clear_color,
+         memcpy(&setup->clear.color.clear_color,
                 &color_arg,
                 sizeof setup->clear.color.clear_color);
       }
@@ -464,7 +460,7 @@ lp_setup_try_clear( struct lp_setup_context *setup,
 
 void
 lp_setup_clear( struct lp_setup_context *setup,
-                const float *color,
+                const union pipe_color_union *color,
                 double depth,
                 unsigned stencil,
                 unsigned flags )
@@ -486,14 +482,16 @@ lp_setup_set_triangle_state( struct lp_setup_context *setup,
                              unsigned cull_mode,
                              boolean ccw_is_frontface,
                              boolean scissor,
-                             boolean gl_rasterization_rules)
+                             boolean half_pixel_center,
+                             boolean bottom_edge_rule)
 {
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
 
    setup->ccw_is_frontface = ccw_is_frontface;
    setup->cullmode = cull_mode;
    setup->triangle = first_triangle;
-   setup->pixel_offset = gl_rasterization_rules ? 0.5f : 0.0f;
+   setup->pixel_offset = half_pixel_center ? 0.5f : 0.0f;
+   setup->bottom_edge_rule = bottom_edge_rule;
 
    if (setup->scissor_test != scissor) {
       setup->dirty |= LP_SETUP_NEW_SCISSOR;
@@ -548,12 +546,21 @@ lp_setup_set_fs_variant( struct lp_setup_context *setup,
 
 void
 lp_setup_set_fs_constants(struct lp_setup_context *setup,
-                          struct pipe_resource *buffer)
+                          unsigned num,
+                          struct pipe_constant_buffer *buffers)
 {
-   LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, (void *) buffer);
+   unsigned i;
 
-   pipe_resource_reference(&setup->constants.current, buffer);
+   LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, (void *) buffers);
 
+   assert(num <= Elements(setup->constants));
+
+   for (i = 0; i < num; ++i) {
+      util_copy_constant_buffer(&setup->constants[i].current, &buffers[i]);
+   }
+   for (; i < Elements(setup->constants); i++) {
+      util_copy_constant_buffer(&setup->constants[i].current, NULL);
+   }
    setup->dirty |= LP_SETUP_NEW_CONSTANTS;
 }
 
@@ -600,17 +607,20 @@ lp_setup_set_blend_color( struct lp_setup_context *setup,
 
 
 void
-lp_setup_set_scissor( struct lp_setup_context *setup,
-                      const struct pipe_scissor_state *scissor )
+lp_setup_set_scissors( struct lp_setup_context *setup,
+                       const struct pipe_scissor_state *scissors )
 {
+   unsigned i;
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
 
-   assert(scissor);
+   assert(scissors);
 
-   setup->scissor.x0 = scissor->minx;
-   setup->scissor.x1 = scissor->maxx-1;
-   setup->scissor.y0 = scissor->miny;
-   setup->scissor.y1 = scissor->maxy-1;
+   for (i = 0; i < PIPE_MAX_VIEWPORTS; ++i) {
+      setup->scissors[i].x0 = scissors[i].minx;
+      setup->scissors[i].x1 = scissors[i].maxx-1;
+      setup->scissors[i].y0 = scissors[i].miny;
+      setup->scissors[i].y1 = scissors[i].maxy-1;
+   }
    setup->dirty |= LP_SETUP_NEW_SCISSOR;
 }
 
@@ -626,8 +636,10 @@ void
 lp_setup_set_rasterizer_discard( struct lp_setup_context *setup,
                                  boolean rasterizer_discard )
 {
-   setup->rasterizer_discard = rasterizer_discard;
-   set_scene_state( setup, SETUP_FLUSHED, __FUNCTION__ );
+   if (setup->rasterizer_discard != rasterizer_discard) {
+      setup->rasterizer_discard = rasterizer_discard;
+      set_scene_state( setup, SETUP_FLUSHED, __FUNCTION__ );
+   }
 }
 
 void 
@@ -652,76 +664,116 @@ lp_setup_set_fragment_sampler_views(struct lp_setup_context *setup,
 
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
 
-   assert(num <= PIPE_MAX_SAMPLERS);
+   assert(num <= PIPE_MAX_SHADER_SAMPLER_VIEWS);
 
-   for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
+   for (i = 0; i < PIPE_MAX_SHADER_SAMPLER_VIEWS; i++) {
       struct pipe_sampler_view *view = i < num ? views[i] : NULL;
 
       if (view) {
-         struct pipe_resource *tex = view->texture;
-         struct llvmpipe_resource *lp_tex = llvmpipe_resource(tex);
+         struct pipe_resource *res = view->texture;
+         struct llvmpipe_resource *lp_tex = llvmpipe_resource(res);
          struct lp_jit_texture *jit_tex;
          jit_tex = &setup->fs.current.jit_context.textures[i];
-         jit_tex->width = tex->width0;
-         jit_tex->height = tex->height0;
-         jit_tex->first_level = view->u.tex.first_level;
-         jit_tex->last_level = tex->last_level;
-
-         if (tex->target == PIPE_TEXTURE_3D) {
-            jit_tex->depth = tex->depth0;
-         }
-         else {
-            jit_tex->depth = tex->array_size;
-         }
 
          /* We're referencing the texture's internal data, so save a
           * reference to it.
           */
-         pipe_resource_reference(&setup->fs.current_tex[i], tex);
+         pipe_resource_reference(&setup->fs.current_tex[i], res);
 
          if (!lp_tex->dt) {
             /* regular texture - setup array of mipmap level offsets */
             void *mip_ptr;
             int j;
-            /*
-             * XXX this is messed up we don't want to accidentally trigger
-             * tiled->linear conversion for levels we don't need.
-             * So ask for first_level data (which will allocate all levels)
-             * then if successful get base ptr.
-             */
-            mip_ptr = llvmpipe_get_texture_image_all(lp_tex, view->u.tex.first_level,
-                                                     LP_TEX_USAGE_READ,
-                                                     LP_TEX_LAYOUT_LINEAR);
+            unsigned first_level = 0;
+            unsigned last_level = 0;
+
+            if (llvmpipe_resource_is_texture(res)) {
+               first_level = view->u.tex.first_level;
+               last_level = view->u.tex.last_level;
+               assert(first_level <= last_level);
+               assert(last_level <= res->last_level);
+
+               /*
+                * The complexity here should no longer be necessary.
+                */
+               mip_ptr = llvmpipe_get_texture_image_all(lp_tex, first_level,
+                                                        LP_TEX_USAGE_READ);
+               jit_tex->base = lp_tex->linear_img.data;
+            }
+            else {
+               mip_ptr = lp_tex->data;
+               jit_tex->base = mip_ptr;
+            }
+
             if ((LP_PERF & PERF_TEX_MEM) || !mip_ptr) {
                /* out of memory - use dummy tile memory */
+               /* Note if using PERF_TEX_MEM will also skip tile conversion */
                jit_tex->base = lp_dummy_tile;
                jit_tex->width = TILE_SIZE/8;
                jit_tex->height = TILE_SIZE/8;
                jit_tex->depth = 1;
                jit_tex->first_level = 0;
                jit_tex->last_level = 0;
+               jit_tex->mip_offsets[0] = 0;
+               jit_tex->row_stride[0] = 0;
+               jit_tex->img_stride[0] = 0;
             }
             else {
-               jit_tex->base = lp_tex->linear_img.data;
-            }
-            for (j = view->u.tex.first_level; j <= tex->last_level; j++) {
-               mip_ptr = llvmpipe_get_texture_image_all(lp_tex, j,
-                                                        LP_TEX_USAGE_READ,
-                                                        LP_TEX_LAYOUT_LINEAR);
-               jit_tex->mip_offsets[j] = (uint8_t *)mip_ptr - (uint8_t *)jit_tex->base;
-               /*
-                * could get mip offset directly but need call above to
-                * invoke tiled->linear conversion.
-                */
-               assert(lp_tex->linear_mip_offsets[j] == jit_tex->mip_offsets[j]);
-               jit_tex->row_stride[j] = lp_tex->row_stride[j];
-               jit_tex->img_stride[j] = lp_tex->img_stride[j];
-
-               if (jit_tex->base == lp_dummy_tile) {
-                  /* out of memory - use dummy tile memory */
-                  jit_tex->mip_offsets[j] = 0;
-                  jit_tex->row_stride[j] = 0;
-                  jit_tex->img_stride[j] = 0;
+               jit_tex->width = res->width0;
+               jit_tex->height = res->height0;
+               jit_tex->depth = res->depth0;
+               jit_tex->first_level = first_level;
+               jit_tex->last_level = last_level;
+
+               if (llvmpipe_resource_is_texture(res)) {
+                  for (j = first_level; j <= last_level; j++) {
+                     mip_ptr = llvmpipe_get_texture_image_all(lp_tex, j,
+                                                              LP_TEX_USAGE_READ);
+                     jit_tex->mip_offsets[j] = (uint8_t *)mip_ptr - (uint8_t *)jit_tex->base;
+                     /*
+                      * could get mip offset directly but need call above to
+                      * invoke tiled->linear conversion.
+                      */
+                     assert(lp_tex->linear_mip_offsets[j] == jit_tex->mip_offsets[j]);
+                     jit_tex->row_stride[j] = lp_tex->row_stride[j];
+                     jit_tex->img_stride[j] = lp_tex->img_stride[j];
+                  }
+
+                  if (res->target == PIPE_TEXTURE_1D_ARRAY ||
+                      res->target == PIPE_TEXTURE_2D_ARRAY) {
+                     /*
+                      * For array textures, we don't have first_layer, instead
+                      * adjust last_layer (stored as depth) plus the mip level offsets
+                      * (as we have mip-first layout can't just adjust base ptr).
+                      * XXX For mip levels, could do something similar.
+                      */
+                     jit_tex->depth = view->u.tex.last_layer - view->u.tex.first_layer + 1;
+                     for (j = first_level; j <= last_level; j++) {
+                        jit_tex->mip_offsets[j] += view->u.tex.first_layer *
+                                                   lp_tex->img_stride[j];
+                     }
+                     assert(view->u.tex.first_layer <= view->u.tex.last_layer);
+                     assert(view->u.tex.last_layer < res->array_size);
+                  }
+               }
+               else {
+                  /*
+                   * For buffers, we don't have first_element, instead adjust
+                   * last_element (stored as width) plus the base pointer.
+                   */
+                  unsigned view_blocksize = util_format_get_blocksize(view->format);
+                  /* probably don't really need to fill that out */
+                  jit_tex->mip_offsets[0] = 0;
+                  jit_tex->row_stride[0] = 0;
+                  jit_tex->row_stride[0] = 0;
+
+                  /* everything specified in number of elements here. */
+                  jit_tex->width = view->u.buf.last_element - view->u.buf.first_element + 1;
+                  jit_tex->base = (uint8_t *)jit_tex->base + view->u.buf.first_element *
+                                  view_blocksize;
+                  /* XXX Unsure if we need to sanitize parameters? */
+                  assert(view->u.buf.first_element <= view->u.buf.last_element);
+                  assert(view->u.buf.last_element * view_blocksize < res->width0);
                }
             }
          }
@@ -730,13 +782,17 @@ lp_setup_set_fragment_sampler_views(struct lp_setup_context *setup,
             /*
              * XXX: Where should this be unmapped?
              */
-            struct llvmpipe_screen *screen = llvmpipe_screen(tex->screen);
+            struct llvmpipe_screen *screen = llvmpipe_screen(res->screen);
             struct sw_winsys *winsys = screen->winsys;
             jit_tex->base = winsys->displaytarget_map(winsys, lp_tex->dt,
                                                          PIPE_TRANSFER_READ);
             jit_tex->row_stride[0] = lp_tex->row_stride[0];
             jit_tex->img_stride[0] = lp_tex->img_stride[0];
             jit_tex->mip_offsets[0] = 0;
+            jit_tex->width = res->width0;
+            jit_tex->height = res->height0;
+            jit_tex->depth = res->depth0;
+            jit_tex->first_level = jit_tex->last_level = 0;
             assert(jit_tex->base);
          }
       }
@@ -764,13 +820,13 @@ lp_setup_set_fragment_sampler_state(struct lp_setup_context *setup,
       const struct pipe_sampler_state *sampler = i < num ? samplers[i] : NULL;
 
       if (sampler) {
-         struct lp_jit_texture *jit_tex;
-         jit_tex = &setup->fs.current.jit_context.textures[i];
+         struct lp_jit_sampler *jit_sam;
+         jit_sam = &setup->fs.current.jit_context.samplers[i];
 
-         jit_tex->min_lod = sampler->min_lod;
-         jit_tex->max_lod = sampler->max_lod;
-         jit_tex->lod_bias = sampler->lod_bias;
-         COPY_4V(jit_tex->border_color, sampler->border_color.f);
+         jit_sam->min_lod = sampler->min_lod;
+         jit_sam->max_lod = sampler->max_lod;
+         jit_sam->lod_bias = sampler->lod_bias;
+         COPY_4V(jit_sam->border_color, sampler->border_color.f);
       }
    }
 
@@ -817,6 +873,7 @@ try_update_scene_state( struct lp_setup_context *setup )
 {
    boolean new_scene = (setup->fs.stored == NULL);
    struct lp_scene *scene = setup->scene;
+   unsigned i;
 
    assert(scene);
 
@@ -855,42 +912,54 @@ try_update_scene_state( struct lp_setup_context *setup )
       setup->dirty |= LP_SETUP_NEW_FS;
    }
 
-   if(setup->dirty & LP_SETUP_NEW_CONSTANTS) {
-      struct pipe_resource *buffer = setup->constants.current;
+   if (setup->dirty & LP_SETUP_NEW_CONSTANTS) {
+      for (i = 0; i < Elements(setup->constants); ++i) {
+         struct pipe_resource *buffer = setup->constants[i].current.buffer;
+         const unsigned current_size = setup->constants[i].current.buffer_size;
+         const ubyte *current_data = NULL;
 
-      if(buffer) {
-         unsigned current_size = buffer->width0;
-         const void *current_data = llvmpipe_resource_data(buffer);
+         if (buffer) {
+            /* resource buffer */
+            current_data = (ubyte *) llvmpipe_resource_data(buffer);
+         }
+         else if (setup->constants[i].current.user_buffer) {
+            /* user-space buffer */
+            current_data = (ubyte *) setup->constants[i].current.user_buffer;
+         }
 
-         /* TODO: copy only the actually used constants? */
+         if (current_data) {
+            current_data += setup->constants[i].current.buffer_offset;
 
-         if(setup->constants.stored_size != current_size ||
-            !setup->constants.stored_data ||
-            memcmp(setup->constants.stored_data,
-                   current_data,
-                   current_size) != 0) {
-            void *stored;
+            /* TODO: copy only the actually used constants? */
 
-            stored = lp_scene_alloc(scene, current_size);
-            if (!stored) {
-               assert(!new_scene);
-               return FALSE;
-            }
+            if (setup->constants[i].stored_size != current_size ||
+               !setup->constants[i].stored_data ||
+               memcmp(setup->constants[i].stored_data,
+                      current_data,
+                      current_size) != 0) {
+               void *stored;
 
-            memcpy(stored,
-                   current_data,
-                   current_size);
-            setup->constants.stored_size = current_size;
-            setup->constants.stored_data = stored;
+               stored = lp_scene_alloc(scene, current_size);
+               if (!stored) {
+                  assert(!new_scene);
+                  return FALSE;
+               }
+
+               memcpy(stored,
+                      current_data,
+                      current_size);
+               setup->constants[i].stored_size = current_size;
+               setup->constants[i].stored_data = stored;
+            }
+         }
+         else {
+            setup->constants[i].stored_size = 0;
+            setup->constants[i].stored_data = NULL;
          }
-      }
-      else {
-         setup->constants.stored_size = 0;
-         setup->constants.stored_data = NULL;
-      }
 
-      setup->fs.current.jit_context.constants = setup->constants.stored_data;
-      setup->dirty |= LP_SETUP_NEW_FS;
+         setup->fs.current.jit_context.constants[i] = setup->constants[i].stored_data;
+         setup->dirty |= LP_SETUP_NEW_FS;
+      }
    }
 
 
@@ -901,7 +970,6 @@ try_update_scene_state( struct lp_setup_context *setup )
                  sizeof setup->fs.current) != 0)
       {
          struct lp_rast_state *stored;
-         uint i;
          
          /* The fs state that's been stored in the scene is different from
           * the new, current state.  So allocate a new lp_rast_state object
@@ -935,11 +1003,24 @@ try_update_scene_state( struct lp_setup_context *setup )
    }
 
    if (setup->dirty & LP_SETUP_NEW_SCISSOR) {
-      setup->draw_region = setup->framebuffer;
-      if (setup->scissor_test) {
-         u_rect_possible_intersection(&setup->scissor,
-                                      &setup->draw_region);
+      unsigned i;
+      for (i = 0; i < PIPE_MAX_VIEWPORTS; ++i) {
+         setup->draw_regions[i] = setup->framebuffer;
+         if (setup->scissor_test) {
+            u_rect_possible_intersection(&setup->scissors[i],
+                                         &setup->draw_regions[i]);
+         }
       }
+      /* If the framebuffer is large we have to think about fixed-point
+       * integer overflow.  For 2K by 2K images, coordinates need 15 bits
+       * (2^11 + 4 subpixel bits).  The product of two such numbers would
+       * use 30 bits.  Any larger and we could overflow a 32-bit int.
+       *
+       * To cope with this problem we check if triangles are large and
+       * subdivide them if needed.
+       */
+      setup->subdivide_large_triangles = (setup->fb.width > 2048 &&
+                                          setup->fb.height > 2048);
    }
                                       
    setup->dirty = 0;
@@ -974,6 +1055,7 @@ lp_setup_update_state( struct lp_setup_context *setup,
        * to know about vertex shader point size attribute.
        */
       setup->psize = lp->psize_slot;
+      setup->viewport_index_slot = lp->viewport_index_slot;
 
       assert(lp->dirty == 0);
 
@@ -1036,7 +1118,9 @@ lp_setup_destroy( struct lp_setup_context *setup )
       pipe_resource_reference(&setup->fs.current_tex[i], NULL);
    }
 
-   pipe_resource_reference(&setup->constants.current, NULL);
+   for (i = 0; i < Elements(setup->constants); i++) {
+      pipe_resource_reference(&setup->constants[i].current.buffer, NULL);
+   }
 
    /* free the scenes in the 'empty' queue */
    for (i = 0; i < Elements(setup->scenes); i++) {