From ced065a0797d9504950b7763cd90244ca478a723 Mon Sep 17 00:00:00 2001
From: Marek Olšák <maraeo@gmail.com>
Date: Thu, 13 Sep 2012 00:36:06 +0200
Subject: nv30: implement blit

Reviewed-by: Brian Paul <brianp@vmware.com>
---
 src/gallium/drivers/nv30/nv30_miptree.c | 58 +++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

(limited to 'src/gallium/drivers/nv30/nv30_miptree.c')

diff --git a/src/gallium/drivers/nv30/nv30_miptree.c b/src/gallium/drivers/nv30/nv30_miptree.c
index 7e677291f6a..79034ac7dae 100644
--- a/src/gallium/drivers/nv30/nv30_miptree.c
+++ b/src/gallium/drivers/nv30/nv30_miptree.c
@@ -159,6 +159,64 @@ nv30_resource_resolve(struct pipe_context *pipe,
    nv30_transfer_rect(nv30, BILINEAR, &src, &dst);
 }
 
+void
+nv30_blit(struct pipe_context *pipe,
+          const struct pipe_blit_info *blit_info)
+{
+   struct nv30_context *nv30 = nv30_context(pipe);
+   struct pipe_blit_info info = *blit_info;
+
+   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("nv30: color resolve unimplemented\n");
+      return;
+   }
+
+   if (util_try_blit_via_copy_region(pipe, &info)) {
+      return; /* done */
+   }
+
+   if (info.mask & PIPE_MASK_S) {
+      debug_printf("nv30: cannot blit stencil, skipping\n");
+      info.mask &= ~PIPE_MASK_S;
+   }
+
+   if (!util_blitter_is_blit_supported(nv30->blitter, &info)) {
+      debug_printf("nv30: 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 queries */
+
+   util_blitter_save_vertex_buffers(nv30->blitter,
+                                    nv30->num_vtxbufs,
+                                    nv30->vtxbuf);
+   util_blitter_save_vertex_elements(nv30->blitter, nv30->vertex);
+   util_blitter_save_vertex_shader(nv30->blitter, nv30->vertprog.program);
+   util_blitter_save_rasterizer(nv30->blitter, nv30->rast);
+   util_blitter_save_viewport(nv30->blitter, &nv30->viewport);
+   util_blitter_save_scissor(nv30->blitter, &nv30->scissor);
+   util_blitter_save_fragment_shader(nv30->blitter, nv30->fragprog.program);
+   util_blitter_save_blend(nv30->blitter, nv30->blend);
+   util_blitter_save_depth_stencil_alpha(nv30->blitter,
+                                         nv30->zsa);
+   util_blitter_save_stencil_ref(nv30->blitter, &nv30->stencil_ref);
+   util_blitter_save_sample_mask(nv30->blitter, nv30->sample_mask);
+   util_blitter_save_framebuffer(nv30->blitter, &nv30->framebuffer);
+   util_blitter_save_fragment_sampler_states(nv30->blitter,
+                     nv30->fragprog.num_samplers,
+                     (void**)nv30->fragprog.samplers);
+   util_blitter_save_fragment_sampler_views(nv30->blitter,
+                     nv30->fragprog.num_textures, nv30->fragprog.textures);
+   util_blitter_save_render_condition(nv30->blitter, nv30->render_cond_query,
+                                      nv30->render_cond_mode);
+   util_blitter_blit(nv30->blitter, &info);
+}
+
 static struct pipe_transfer *
 nv30_miptree_transfer_new(struct pipe_context *pipe, struct pipe_resource *pt,
                           unsigned level, unsigned usage,
-- 
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