ilo: replace util_blitter by ilo_blitter

ilo_blitter is just a wrapper for util_blitter for now.  We will port BLT code
to ilo_blitter shortly.

1 files changed, 196 insertions, 0 deletions

diff --git a/src/gallium/drivers/ilo/ilo_blitter_pipe.c b/src/gallium/drivers/ilo/ilo_blitter_pipe.c
new file mode 100644
index 00000000000..cfec8b10e5f
--- /dev/null
+++ b/src/gallium/drivers/ilo/ilo_blitter_pipe.c
@@ -0,0 +1,196 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 2013 LunarG, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Chia-I Wu <[email protected]>
+ */
+
+#include "util/u_blitter.h"
+#include "util/u_surface.h"
+
+#include "ilo_context.h"
+#include "ilo_blitter.h"
+
+enum ilo_blitter_pipe_op {
+   ILO_BLITTER_PIPE_BLIT,
+   ILO_BLITTER_PIPE_COPY,
+   ILO_BLITTER_PIPE_CLEAR,
+   ILO_BLITTER_PIPE_CLEAR_FB,
+};
+
+static void
+ilo_blitter_pipe_begin(struct ilo_blitter *blitter,
+                       enum ilo_blitter_pipe_op op)
+{
+   struct blitter_context *b = blitter->pipe_blitter;
+   struct ilo_context *ilo = blitter->ilo;
+
+   /* as documented in util/u_blitter.h */
+   util_blitter_save_vertex_buffer_slot(b, ilo->vb.states);
+   util_blitter_save_vertex_elements(b, (void *) ilo->ve);
+   util_blitter_save_vertex_shader(b, ilo->vs);
+   util_blitter_save_geometry_shader(b, ilo->gs);
+   util_blitter_save_so_targets(b, ilo->so.count, ilo->so.states);
+
+   util_blitter_save_fragment_shader(b, ilo->fs);
+   util_blitter_save_depth_stencil_alpha(b, (void *) ilo->dsa);
+   util_blitter_save_blend(b, (void *) ilo->blend);
+
+   /* undocumented? */
+   util_blitter_save_viewport(b, &ilo->viewport.viewport0);
+   util_blitter_save_stencil_ref(b, &ilo->stencil_ref);
+   util_blitter_save_sample_mask(b, ilo->sample_mask);
+
+   switch (op) {
+   case ILO_BLITTER_PIPE_BLIT:
+   case ILO_BLITTER_PIPE_COPY:
+      util_blitter_save_rasterizer(b, (void *) ilo->rasterizer);
+      util_blitter_save_framebuffer(b, &ilo->fb.state);
+
+      util_blitter_save_fragment_sampler_states(b,
+            ilo->sampler[PIPE_SHADER_FRAGMENT].count,
+            (void **) ilo->sampler[PIPE_SHADER_FRAGMENT].cso);
+
+      util_blitter_save_fragment_sampler_views(b,
+            ilo->view[PIPE_SHADER_FRAGMENT].count,
+            ilo->view[PIPE_SHADER_FRAGMENT].states);
+
+      /* disable render condition? */
+      break;
+   case ILO_BLITTER_PIPE_CLEAR:
+      util_blitter_save_rasterizer(b, (void *) ilo->rasterizer);
+      util_blitter_save_framebuffer(b, &ilo->fb.state);
+
+      /* disable render condition? */
+      break;
+   case ILO_BLITTER_PIPE_CLEAR_FB:
+      util_blitter_save_rasterizer(b, (void *) ilo->rasterizer);
+      break;
+   default:
+      break;
+   }
+}
+
+static void
+ilo_blitter_pipe_end(struct ilo_blitter *blitter)
+{
+}
+
+bool
+ilo_blitter_pipe_blit(struct ilo_blitter *blitter,
+                      const struct pipe_blit_info *info)
+{
+   struct blitter_context *b = blitter->pipe_blitter;
+   struct pipe_blit_info skip_stencil;
+
+   if (util_try_blit_via_copy_region(&blitter->ilo->base, info))
+      return true;
+
+   if (!util_blitter_is_blit_supported(b, info)) {
+      /* try without stencil */
+      if (info->mask & PIPE_MASK_S) {
+         skip_stencil = *info;
+         skip_stencil.mask = info->mask & ~PIPE_MASK_S;
+
+         if (util_blitter_is_blit_supported(blitter->pipe_blitter,
+                                            &skip_stencil)) {
+            ilo_warn("ignore stencil buffer blitting\n");
+            info = &skip_stencil;
+         }
+      }
+
+      if (info != &skip_stencil) {
+         ilo_warn("failed to blit with pipe blitter\n");
+         return false;
+      }
+   }
+
+   ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_BLIT);
+   util_blitter_blit(b, info);
+   ilo_blitter_pipe_end(blitter);
+
+   return true;
+}
+
+bool
+ilo_blitter_pipe_copy_resource(struct ilo_blitter *blitter,
+                               struct pipe_resource *dst, unsigned dst_level,
+                               unsigned dst_x, unsigned dst_y, unsigned dst_z,
+                               struct pipe_resource *src, unsigned src_level,
+                               const struct pipe_box *src_box)
+{
+   return false;
+}
+
+bool
+ilo_blitter_pipe_clear_rt(struct ilo_blitter *blitter,
+                          struct pipe_surface *rt,
+                          const union pipe_color_union *color,
+                          unsigned x, unsigned y,
+                          unsigned width, unsigned height)
+{
+   ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_CLEAR);
+
+   util_blitter_clear_render_target(blitter->pipe_blitter,
+         rt, color, x, y, width, height);
+
+   ilo_blitter_pipe_end(blitter);
+
+   return true;
+}
+
+bool
+ilo_blitter_pipe_clear_zs(struct ilo_blitter *blitter,
+                          struct pipe_surface *zs,
+                          unsigned clear_flags,
+                          double depth, unsigned stencil,
+                          unsigned x, unsigned y,
+                          unsigned width, unsigned height)
+{
+   ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_CLEAR);
+
+   util_blitter_clear_depth_stencil(blitter->pipe_blitter,
+         zs, clear_flags, depth, stencil, x, y, width, height);
+
+   ilo_blitter_pipe_end(blitter);
+
+   return true;
+}
+
+bool
+ilo_blitter_pipe_clear_fb(struct ilo_blitter *blitter,
+                          unsigned buffers,
+                          const union pipe_color_union *color,
+                          double depth, unsigned stencil)
+{
+   /* TODO we should pause/resume some queries */
+   ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_CLEAR_FB);
+
+   util_blitter_clear(blitter->pipe_blitter,
+         blitter->ilo->fb.state.width, blitter->ilo->fb.state.height,
+         buffers, color, depth, stencil);
+
+   ilo_blitter_pipe_end(blitter);
+
+   return true;
+}