nvc0: Add support for video buffer

src/gallium/drivers/nvc0/Makefile.sources

@@ -13,4 +13,5 @@ C_SOURCES := \
 	nvc0_vbo_translate.c \
 	nvc0_program.c \
 	nvc0_shader_state.c \
-	nvc0_query.c
+	nvc0_query.c \
+	nvc0_video.c

src/gallium/drivers/nvc0/nvc0_context.c

@@ -261,7 +261,8 @@ nvc0_create(struct pipe_screen *pscreen, void *priv)
    draw_set_rasterize_stage(nvc0->draw, nvc0_draw_render_stage(nvc0));
 #endif
 
-   nouveau_context_init_vdec(&nvc0->base);
+   pipe->create_video_decoder = nvc0_create_decoder;
+   pipe->create_video_buffer = nvc0_video_buffer_create;
 
    /* shader builtin library is per-screen, but we need a context for m2mf */
    nvc0_program_library_upload(nvc0);

src/gallium/drivers/nvc0/nvc0_context.h

@@ -293,6 +293,25 @@ void nvc0_vertex_arrays_validate(struct nvc0_context *);
 
 void nvc0_idxbuf_validate(struct nvc0_context *);
 
+/* nvc0_video.c */
+struct pipe_video_decoder *
+nvc0_create_decoder(struct pipe_context *context,
+                    enum pipe_video_profile profile,
+                    enum pipe_video_entrypoint entrypoint,
+                    enum pipe_video_chroma_format chroma_format,
+                    unsigned width, unsigned height,
+                    unsigned max_references,
+                    bool expect_chunked_decode);
+
+struct pipe_video_buffer *
+nvc0_video_buffer_create(struct pipe_context *pipe,
+                         const struct pipe_video_buffer *templat);
+
+int
+nvc0_screen_get_video_param(struct pipe_screen *pscreen,
+                            enum pipe_video_profile profile,
+                            enum pipe_video_cap param);
+
 /* nvc0_push.c */
 void nvc0_push_vbo(struct nvc0_context *, const struct pipe_draw_info *);
 

src/gallium/drivers/nvc0/nvc0_miptree.c

@@ -167,18 +167,15 @@ nvc0_miptree_init_layout_video(struct nv50_miptree *mt)
    const struct pipe_resource *pt = &mt->base.base;
    const unsigned blocksize = util_format_get_blocksize(pt->format);
 
-   unsigned nbx = util_format_get_nblocksx(pt->format, pt->width0);
-   unsigned nby = util_format_get_nblocksy(pt->format, pt->height0);
-
    assert(pt->last_level == 0);
-   assert(mt->ms_x == 0 &&
-          mt->ms_y == 0);
+   assert(mt->ms_x == 0 && mt->ms_y == 0);
    assert(!util_format_is_compressed(pt->format));
 
-   assert(nby > 8);
+   mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
+
    mt->level[0].tile_mode = 0x10;
-   mt->level[0].pitch = align(nbx * blocksize, 64);
-   mt->total_size = align(nby, 16) * mt->level[0].pitch;
+   mt->level[0].pitch = align(pt->width0 * blocksize, 64);
+   mt->total_size = align(pt->height0, 16) * mt->level[0].pitch * (mt->layout_3d ? pt->depth0 : 1);
 
    if (pt->array_size > 1) {
       mt->layer_stride = align(mt->total_size, NVC0_TILE_SIZE(0x10));

src/gallium/drivers/nvc0/nvc0_screen.c

@@ -63,6 +63,18 @@ nvc0_screen_is_format_supported(struct pipe_screen *pscreen,
    return (nvc0_format_table[format].usage & bindings) == bindings;
 }
 
+static boolean
+nvc0_screen_video_supported(struct pipe_screen *screen,
+                            enum pipe_format format,
+                            enum pipe_video_profile profile)
+{
+   if (profile != PIPE_VIDEO_PROFILE_UNKNOWN)
+      return format == PIPE_FORMAT_NV12;
+
+   return vl_video_buffer_is_format_supported(screen, format, profile);
+}
+
+
 static int
 nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 {
@@ -446,7 +458,8 @@ nvc0_screen_create(struct nouveau_device *dev)
 
    nvc0_screen_init_resource_functions(pscreen);
 
-   nouveau_screen_init_vdec(&screen->base);
+   screen->base.base.get_video_param = nvc0_screen_get_video_param;
+   screen->base.base.is_video_format_supported = nvc0_screen_video_supported;
 
    ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0, 4096, NULL,
                         &screen->fence.bo);

src/gallium/drivers/nvc0/nvc0_video.c

@@ -0,0 +1,214 @@
+/*
+ * Copyright 2011 Maarten Lankhorst
+ *
+ * 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 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 "nvc0_video.h"
+
+#include "util/u_sampler.h"
+#include "util/u_format.h"
+
+#include <sys/mman.h>
+#include <fcntl.h>
+
+int
+nvc0_screen_get_video_param(struct pipe_screen *pscreen,
+                            enum pipe_video_profile profile,
+                            enum pipe_video_cap param)
+{
+   switch (param) {
+   case PIPE_VIDEO_CAP_SUPPORTED:
+      return profile >= PIPE_VIDEO_PROFILE_MPEG1;
+   case PIPE_VIDEO_CAP_NPOT_TEXTURES:
+      return 1;
+   case PIPE_VIDEO_CAP_MAX_WIDTH:
+   case PIPE_VIDEO_CAP_MAX_HEIGHT:
+      return nouveau_screen(pscreen)->device->chipset < 0xd0 ? 2048 : 4096;
+   case PIPE_VIDEO_CAP_PREFERED_FORMAT:
+      return PIPE_FORMAT_NV12;
+   case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
+   case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
+      return true;
+   case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
+      return false;
+   default:
+      debug_printf("unknown video param: %d\n", param);
+      return 0;
+   }
+}
+
+struct pipe_video_decoder *
+nvc0_create_decoder(struct pipe_context *context,
+                    enum pipe_video_profile profile,
+                    enum pipe_video_entrypoint entrypoint,
+                    enum pipe_video_chroma_format chroma_format,
+                    unsigned width, unsigned height, unsigned max_references,
+                    bool chunked_decode)
+{
+   if (getenv("XVMC_VL"))
+       return vl_create_decoder(context, profile, entrypoint,
+                                chroma_format, width, height,
+                                max_references, chunked_decode);
+
+   if (entrypoint != PIPE_VIDEO_ENTRYPOINT_BITSTREAM) {
+      debug_printf("%x\n", entrypoint);
+      return NULL;
+   }
+
+   return NULL;
+}
+
+static struct pipe_sampler_view **
+nvc0_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
+{
+   struct nvc0_video_buffer *buf = (struct nvc0_video_buffer *)buffer;
+   return buf->sampler_view_planes;
+}
+
+static struct pipe_sampler_view **
+nvc0_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
+{
+   struct nvc0_video_buffer *buf = (struct nvc0_video_buffer *)buffer;
+   return buf->sampler_view_components;
+}
+
+static struct pipe_surface **
+nvc0_video_buffer_surfaces(struct pipe_video_buffer *buffer)
+{
+   struct nvc0_video_buffer *buf = (struct nvc0_video_buffer *)buffer;
+   return buf->surfaces;
+}
+
+static void
+nvc0_video_buffer_destroy(struct pipe_video_buffer *buffer)
+{
+   struct nvc0_video_buffer *buf = (struct nvc0_video_buffer *)buffer;
+   unsigned i;
+
+   assert(buf);
+
+   for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
+      pipe_resource_reference(&buf->resources[i], NULL);
+      pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
+      pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
+      pipe_surface_reference(&buf->surfaces[i * 2], NULL);
+      pipe_surface_reference(&buf->surfaces[i * 2 + 1], NULL);
+   }
+   FREE(buffer);
+}
+
+struct pipe_video_buffer *
+nvc0_video_buffer_create(struct pipe_context *pipe,
+                         const struct pipe_video_buffer *templat)
+{
+   struct nvc0_video_buffer *buffer;
+   struct pipe_resource templ;
+   unsigned i, j, component;
+   struct pipe_sampler_view sv_templ;
+   struct pipe_surface surf_templ;
+
+   assert(templat->interlaced);
+   if (getenv("XVMC_VL") || templat->buffer_format != PIPE_FORMAT_NV12)
+      return vl_video_buffer_create(pipe, templat);
+
+   assert(templat->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420);
+
+   buffer = CALLOC_STRUCT(nvc0_video_buffer);
+   if (!buffer)
+      return NULL;
+   assert(!(templat->height % 4));
+   assert(!(templat->width % 2));
+
+   buffer->base.buffer_format = templat->buffer_format;
+   buffer->base.context = pipe;
+   buffer->base.destroy = nvc0_video_buffer_destroy;
+   buffer->base.chroma_format = templat->chroma_format;
+   buffer->base.width = templat->width;
+   buffer->base.height = templat->height;
+   buffer->base.get_sampler_view_planes = nvc0_video_buffer_sampler_view_planes;
+   buffer->base.get_sampler_view_components = nvc0_video_buffer_sampler_view_components;
+   buffer->base.get_surfaces = nvc0_video_buffer_surfaces;
+   buffer->base.interlaced = true;
+
+   memset(&templ, 0, sizeof(templ));
+   templ.target = PIPE_TEXTURE_3D;
+   templ.depth0 = 2;
+   templ.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
+   templ.format = PIPE_FORMAT_R8_UNORM;
+   templ.width0 = buffer->base.width;
+   templ.height0 = buffer->base.height/2;
+   templ.flags = NVC0_RESOURCE_FLAG_VIDEO;
+   templ.last_level = 0;
+   templ.array_size = 1;
+
+   buffer->resources[0] = pipe->screen->resource_create(pipe->screen, &templ);
+   if (!buffer->resources[0])
+      goto error;
+
+   templ.format = PIPE_FORMAT_R8G8_UNORM;
+   buffer->num_planes = 2;
+   templ.width0 /= 2;
+   templ.height0 /= 2;
+   for (i = 1; i < buffer->num_planes; ++i) {
+      buffer->resources[i] = pipe->screen->resource_create(pipe->screen, &templ);
+      if (!buffer->resources[i])
+         goto error;
+   }
+
+   memset(&sv_templ, 0, sizeof(sv_templ));
+   for (component = 0, i = 0; i < buffer->num_planes; ++i ) {
+      struct pipe_resource *res = buffer->resources[i];
+      unsigned nr_components = util_format_get_nr_components(res->format);
+
+      u_sampler_view_default_template(&sv_templ, res, res->format);
+      buffer->sampler_view_planes[i] = pipe->create_sampler_view(pipe, res, &sv_templ);
+      if (!buffer->sampler_view_planes[i])
+         goto error;
+
+      for (j = 0; j < nr_components; ++j, ++component) {
+         sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_RED + j;
+         sv_templ.swizzle_a = PIPE_SWIZZLE_ONE;
+
+         buffer->sampler_view_components[component] = pipe->create_sampler_view(pipe, res, &sv_templ);
+         if (!buffer->sampler_view_components[component])
+            goto error;
+      }
+  }
+
+   memset(&surf_templ, 0, sizeof(surf_templ));
+   for (j = 0; j < buffer->num_planes; ++j) {
+      surf_templ.format = buffer->resources[j]->format;
+      surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = 0;
+      buffer->surfaces[j * 2] = pipe->create_surface(pipe, buffer->resources[j], &surf_templ);
+      if (!buffer->surfaces[j * 2])
+         goto error;
+
+      surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = 1;
+      buffer->surfaces[j * 2 + 1] = pipe->create_surface(pipe, buffer->resources[j], &surf_templ);
+      if (!buffer->surfaces[j * 2 + 1])
+         goto error;
+   }
+
+   return &buffer->base;
+
+error:
+   nvc0_video_buffer_destroy(&buffer->base);
+   return NULL;
+}

src/gallium/drivers/nvc0/nvc0_video.h

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2011 Maarten Lankhorst
+ *
+ * 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 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 "nvc0_context.h"
+#include "nvc0_screen.h"
+
+#include "vl/vl_decoder.h"
+#include "vl/vl_video_buffer.h"
+#include "vl/vl_types.h"
+
+#include "util/u_video.h"
+
+struct nvc0_video_buffer {
+   struct pipe_video_buffer base;
+   unsigned num_planes, valid_ref;
+   struct pipe_resource *resources[VL_NUM_COMPONENTS];
+   struct pipe_sampler_view *sampler_view_planes[VL_NUM_COMPONENTS];
+   struct pipe_sampler_view *sampler_view_components[VL_NUM_COMPONENTS];
+   struct pipe_surface *surfaces[VL_NUM_COMPONENTS * 2];
+};
+
+static INLINE uint32_t nvc0_video_align(uint32_t h)
+{
+   return ((h+0x3f)&~0x3f);
+};
+
+static INLINE uint32_t mb(uint32_t coord)
+{
+   return (coord + 0xf)>>4;
+}
+
+static INLINE uint32_t mb_half(uint32_t coord)
+{
+   return (coord + 0x1f)>>5;
+}