draw: add support for num_samples + sample_stride to the image paths
[mesa.git] / src / gallium / drivers / llvmpipe / lp_surface.c
index f761e8285000b2adea39f26bdfe5b658791ef4ab..1cdabbb6cc3b14ae62e18d48b3377c4c5d487026 100644 (file)
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "lp_limits.h"
 #include "lp_surface.h"
 #include "lp_texture.h"
-
-
-/**
- * Adjust x, y, width, height to lie on tile bounds.
- */
-static void
-adjust_to_tile_bounds(unsigned x, unsigned y, unsigned width, unsigned height,
-                      unsigned *x_tile, unsigned *y_tile,
-                      unsigned *w_tile, unsigned *h_tile)
-{
-   *x_tile = x & ~(TILE_SIZE - 1);
-   *y_tile = y & ~(TILE_SIZE - 1);
-   *w_tile = ((x + width + TILE_SIZE - 1) & ~(TILE_SIZE - 1)) - *x_tile;
-   *h_tile = ((y + height + TILE_SIZE - 1) & ~(TILE_SIZE - 1)) - *y_tile;
-}
-
+#include "lp_query.h"
 
 
 static void
 lp_resource_copy(struct pipe_context *pipe,
-                 struct pipe_resource *dst, struct pipe_subresource subdst,
+                 struct pipe_resource *dst, unsigned dst_level,
                  unsigned dstx, unsigned dsty, unsigned dstz,
-                 struct pipe_resource *src, struct pipe_subresource subsrc,
-                 unsigned srcx, unsigned srcy, unsigned srcz,
-                 unsigned width, unsigned height)
+                 struct pipe_resource *src, unsigned src_level,
+                 const struct pipe_box *src_box)
 {
-   /* XXX what about the dstz/srcz parameters - zslice wasn't used... */
-   struct llvmpipe_resource *src_tex = llvmpipe_resource(src);
-   struct llvmpipe_resource *dst_tex = llvmpipe_resource(dst);
-   const enum pipe_format format = src_tex->base.format;
-
    llvmpipe_flush_resource(pipe,
-                           dst, subdst.face, subdst.level,
-                           0, /* flush_flags */
+                           dst, dst_level,
                            FALSE, /* read_only */
                            TRUE, /* cpu_access */
-                           FALSE); /* do_not_block */
+                           FALSE, /* do_not_block */
+                           "blit dest");
 
    llvmpipe_flush_resource(pipe,
-                           src, subsrc.face, subsrc.level,
-                           0, /* flush_flags */
+                           src, src_level,
                            TRUE, /* read_only */
                            TRUE, /* cpu_access */
-                           FALSE); /* do_not_block */
-
-   /*
-   printf("surface copy from %u to %u: %u,%u to %u,%u %u x %u\n",
-          src_tex->id, dst_tex->id,
-          srcx, srcy, dstx, dsty, width, height);
-   */
-
-   /* set src tiles to linear layout */
-   {
-      unsigned tx, ty, tw, th;
-      unsigned x, y;
-
-      adjust_to_tile_bounds(srcx, srcy, width, height, &tx, &ty, &tw, &th);
-
-      for (y = 0; y < th; y += TILE_SIZE) {
-         for (x = 0; x < tw; x += TILE_SIZE) {
-            (void) llvmpipe_get_texture_tile_linear(src_tex,
-                                                    subsrc.face, subsrc.level,
-                                                    LP_TEX_USAGE_READ,
-                                                    tx + x, ty + y);
-         }
-      }
+                           FALSE, /* do_not_block */
+                           "blit src");
+
+   util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
+                             src, src_level, src_box);
+}
+
+
+static void lp_blit(struct pipe_context *pipe,
+                    const struct pipe_blit_info *blit_info)
+{
+   struct llvmpipe_context *lp = llvmpipe_context(pipe);
+   struct pipe_blit_info info = *blit_info;
+
+   if (blit_info->render_condition_enable && !llvmpipe_check_render_cond(lp))
+      return;
+
+   if (info.src.resource->nr_samples > 1 &&
+       info.dst.resource->nr_samples <= 1 &&
+       !util_format_is_depth_or_stencil(info.src.resource->format) &&
+       !util_format_is_pure_integer(info.src.resource->format)) {
+      debug_printf("llvmpipe: color resolve unimplemented\n");
+      return;
+   }
+
+   if (util_try_blit_via_copy_region(pipe, &info)) {
+      return; /* done */
    }
 
-   /* set dst tiles to linear layout */
-   {
-      unsigned tx, ty, tw, th;
-      unsigned x, y;
-      enum lp_texture_usage usage;
-
-      adjust_to_tile_bounds(dstx, dsty, width, height, &tx, &ty, &tw, &th);
-
-      for (y = 0; y < th; y += TILE_SIZE) {
-         boolean contained_y = ty + y >= dsty &&
-                               ty + y + TILE_SIZE <= dsty + height ?
-                               TRUE : FALSE;
-
-         for (x = 0; x < tw; x += TILE_SIZE) {
-            boolean contained_x = tx + x >= dstx &&
-                                  tx + x + TILE_SIZE <= dstx + width ?
-                                  TRUE : FALSE;
-
-            /*
-             * Set the usage mode to WRITE_ALL for the tiles which are
-             * completely contained by the dest rectangle.
-             */
-            if (contained_y && contained_x)
-               usage = LP_TEX_USAGE_WRITE_ALL;
-            else
-               usage = LP_TEX_USAGE_READ_WRITE;
-
-            (void) llvmpipe_get_texture_tile_linear(dst_tex,
-                                                    subdst.face, subdst.level,
-                                                    usage,
-                                                    tx + x, ty + y);
-         }
+   if (!util_blitter_is_blit_supported(lp->blitter, &info)) {
+      debug_printf("llvmpipe: blit unsupported %s -> %s\n",
+                   util_format_short_name(info.src.resource->format),
+                   util_format_short_name(info.dst.resource->format));
+      return;
+   }
+
+   /* XXX turn off occlusion and streamout queries */
+
+   util_blitter_save_vertex_buffer_slot(lp->blitter, lp->vertex_buffer);
+   util_blitter_save_vertex_elements(lp->blitter, (void*)lp->velems);
+   util_blitter_save_vertex_shader(lp->blitter, (void*)lp->vs);
+   util_blitter_save_geometry_shader(lp->blitter, (void*)lp->gs);
+   util_blitter_save_so_targets(lp->blitter, lp->num_so_targets,
+                                (struct pipe_stream_output_target**)lp->so_targets);
+   util_blitter_save_rasterizer(lp->blitter, (void*)lp->rasterizer);
+   util_blitter_save_viewport(lp->blitter, &lp->viewports[0]);
+   util_blitter_save_scissor(lp->blitter, &lp->scissors[0]);
+   util_blitter_save_fragment_shader(lp->blitter, lp->fs);
+   util_blitter_save_blend(lp->blitter, (void*)lp->blend);
+   util_blitter_save_tessctrl_shader(lp->blitter, (void*)lp->tcs);
+   util_blitter_save_tesseval_shader(lp->blitter, (void*)lp->tes);
+   util_blitter_save_depth_stencil_alpha(lp->blitter, (void*)lp->depth_stencil);
+   util_blitter_save_stencil_ref(lp->blitter, &lp->stencil_ref);
+   /*util_blitter_save_sample_mask(sp->blitter, lp->sample_mask);*/
+   util_blitter_save_framebuffer(lp->blitter, &lp->framebuffer);
+   util_blitter_save_fragment_sampler_states(lp->blitter,
+                     lp->num_samplers[PIPE_SHADER_FRAGMENT],
+                     (void**)lp->samplers[PIPE_SHADER_FRAGMENT]);
+   util_blitter_save_fragment_sampler_views(lp->blitter,
+                     lp->num_sampler_views[PIPE_SHADER_FRAGMENT],
+                     lp->sampler_views[PIPE_SHADER_FRAGMENT]);
+   util_blitter_save_render_condition(lp->blitter, lp->render_cond_query,
+                                      lp->render_cond_cond, lp->render_cond_mode);
+   util_blitter_blit(lp->blitter, &info);
+}
+
+
+static void
+lp_flush_resource(struct pipe_context *ctx, struct pipe_resource *resource)
+{
+}
+
+
+static struct pipe_surface *
+llvmpipe_create_surface(struct pipe_context *pipe,
+                        struct pipe_resource *pt,
+                        const struct pipe_surface *surf_tmpl)
+{
+   struct pipe_surface *ps;
+
+   if (!(pt->bind & (PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET))) {
+      debug_printf("Illegal surface creation without bind flag\n");
+      if (util_format_is_depth_or_stencil(surf_tmpl->format)) {
+         pt->bind |= PIPE_BIND_DEPTH_STENCIL;
+      }
+      else {
+         pt->bind |= PIPE_BIND_RENDER_TARGET;
       }
    }
 
-   /* copy */
-   {
-      const ubyte *src_linear_ptr
-         = llvmpipe_get_texture_image_address(src_tex, subsrc.face,
-                                              subsrc.level,
-                                              LP_TEX_LAYOUT_LINEAR);
-      ubyte *dst_linear_ptr
-         = llvmpipe_get_texture_image_address(dst_tex, subdst.face,
-                                              subdst.level,
-                                              LP_TEX_LAYOUT_LINEAR);
-
-      if (dst_linear_ptr && src_linear_ptr) {
-         util_copy_rect(dst_linear_ptr, format,
-                        llvmpipe_resource_stride(&dst_tex->base, subdst.level),
-                        dstx, dsty,
-                        width, height,
-                        src_linear_ptr,
-                        llvmpipe_resource_stride(&src_tex->base, subsrc.level),
-                        srcx, srcy);
+   ps = CALLOC_STRUCT(pipe_surface);
+   if (ps) {
+      pipe_reference_init(&ps->reference, 1);
+      pipe_resource_reference(&ps->texture, pt);
+      ps->context = pipe;
+      ps->format = surf_tmpl->format;
+      if (llvmpipe_resource_is_texture(pt)) {
+         assert(surf_tmpl->u.tex.level <= pt->last_level);
+         assert(surf_tmpl->u.tex.first_layer <= surf_tmpl->u.tex.last_layer);
+         ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level);
+         ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level);
+         ps->u.tex.level = surf_tmpl->u.tex.level;
+         ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
+         ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
+      }
+      else {
+         /* setting width as number of elements should get us correct renderbuffer width */
+         ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1;
+         ps->height = pt->height0;
+         ps->u.buf.first_element = surf_tmpl->u.buf.first_element;
+         ps->u.buf.last_element = surf_tmpl->u.buf.last_element;
+         assert(ps->u.buf.first_element <= ps->u.buf.last_element);
+         assert(util_format_get_blocksize(surf_tmpl->format) *
+                (ps->u.buf.last_element + 1) <= pt->width0);
       }
    }
+   return ps;
+}
+
+
+static void
+llvmpipe_surface_destroy(struct pipe_context *pipe,
+                         struct pipe_surface *surf)
+{
+   /* Effectively do the texture_update work here - if texture images
+    * needed post-processing to put them into hardware layout, this is
+    * where it would happen.  For llvmpipe, nothing to do.
+    */
+   assert(surf->texture);
+   pipe_resource_reference(&surf->texture, NULL);
+   FREE(surf);
+}
+
+
+static void
+llvmpipe_clear_render_target(struct pipe_context *pipe,
+                             struct pipe_surface *dst,
+                             const union pipe_color_union *color,
+                             unsigned dstx, unsigned dsty,
+                             unsigned width, unsigned height,
+                             bool render_condition_enabled)
+{
+   struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
+
+   if (render_condition_enabled && !llvmpipe_check_render_cond(llvmpipe))
+      return;
+
+   util_clear_render_target(pipe, dst, color,
+                            dstx, dsty, width, height);
+}
+
+
+static void
+llvmpipe_clear_depth_stencil(struct pipe_context *pipe,
+                             struct pipe_surface *dst,
+                             unsigned clear_flags,
+                             double depth,
+                             unsigned stencil,
+                             unsigned dstx, unsigned dsty,
+                             unsigned width, unsigned height,
+                             bool render_condition_enabled)
+{
+   struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
+
+   if (render_condition_enabled && !llvmpipe_check_render_cond(llvmpipe))
+      return;
+
+   util_clear_depth_stencil(pipe, dst, clear_flags,
+                            depth, stencil,
+                            dstx, dsty, width, height);
 }
 
 
 void
 llvmpipe_init_surface_functions(struct llvmpipe_context *lp)
 {
+   lp->pipe.clear_render_target = llvmpipe_clear_render_target;
+   lp->pipe.clear_depth_stencil = llvmpipe_clear_depth_stencil;
+   lp->pipe.create_surface = llvmpipe_create_surface;
+   lp->pipe.surface_destroy = llvmpipe_surface_destroy;
+   /* These are not actually functions dealing with surfaces */
+   lp->pipe.clear_texture = util_clear_texture;
    lp->pipe.resource_copy_region = lp_resource_copy;
-   lp->pipe.clear_render_target = util_clear_render_target;
-   lp->pipe.clear_depth_stencil = util_clear_depth_stencil;
+   lp->pipe.blit = lp_blit;
+   lp->pipe.flush_resource = lp_flush_resource;
 }