Exemplo n.º 1
0
static bool
init_shaders(struct vl_compositor *c)
{
   assert(c);

   create_vert_shader(c);
   create_frag_shader(c);

   return true;
}
Exemplo n.º 2
0
static bool
init_shaders(struct vl_compositor *c)
{
   assert(c);

   c->vs = create_vert_shader(c);
   if (!c->vs) {
      debug_printf("Unable to create vertex shader.\n");
      return false;
   }

   c->fs_video_buffer = create_frag_shader_video_buffer(c);
   if (!c->fs_video_buffer) {
      debug_printf("Unable to create YCbCr-to-RGB fragment shader.\n");
      return false;
   }

   c->fs_weave = create_frag_shader_weave(c);
   if (!c->fs_weave) {
      debug_printf("Unable to create YCbCr-to-RGB weave fragment shader.\n");
      return false;
   }

   c->fs_palette.yuv = create_frag_shader_palette(c, true);
   if (!c->fs_palette.yuv) {
      debug_printf("Unable to create YUV-Palette-to-RGB fragment shader.\n");
      return false;
   }

   c->fs_palette.rgb = create_frag_shader_palette(c, false);
   if (!c->fs_palette.rgb) {
      debug_printf("Unable to create RGB-Palette-to-RGB fragment shader.\n");
      return false;
   }

   c->fs_rgba = create_frag_shader_rgba(c);
   if (!c->fs_rgba) {
      debug_printf("Unable to create RGB-to-RGB fragment shader.\n");
      return false;
   }

   return true;
}
Exemplo n.º 3
0
static bool
init_shaders(struct vl_zscan *zscan)
{
   assert(zscan);

   zscan->vs = create_vert_shader(zscan);
   if (!zscan->vs)
      goto error_vs;

   zscan->fs = create_frag_shader(zscan);
   if (!zscan->fs)
      goto error_fs;

   return true;

error_fs:
   zscan->pipe->delete_vs_state(zscan->pipe, zscan->vs);

error_vs:
   return false;
}
Exemplo n.º 4
0
bool
vl_deint_filter_init(struct vl_deint_filter *filter, struct pipe_context *pipe,
                     unsigned video_width, unsigned video_height,
                     bool skip_chroma, bool spatial_filter)
{
   struct pipe_rasterizer_state rs_state;
   struct pipe_blend_state blend;
   struct pipe_sampler_state sampler;
   struct pipe_vertex_element ve;
   struct vertex2f sizes;
   struct pipe_video_buffer templ;

   assert(filter && pipe);
   assert(video_width && video_height);

   memset(filter, 0, sizeof(*filter));
   filter->pipe = pipe;
   filter->skip_chroma = skip_chroma;
   filter->video_width = video_width;
   filter->video_height = video_height;

   /* TODO: handle other than 4:2:0 subsampling */
   memset(&templ, 0, sizeof(templ));
   templ.buffer_format = pipe->screen->get_video_param
   (
      pipe->screen,
      PIPE_VIDEO_PROFILE_UNKNOWN,
      PIPE_VIDEO_ENTRYPOINT_UNKNOWN,
      PIPE_VIDEO_CAP_PREFERED_FORMAT
   );
   templ.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
   templ.width = video_width;
   templ.height = video_height;
   templ.interlaced = true;
   filter->video_buffer = vl_video_buffer_create(pipe, &templ);
   if (!filter->video_buffer)
      goto error_video_buffer;

   memset(&rs_state, 0, sizeof(rs_state));
   rs_state.half_pixel_center = true;
   rs_state.bottom_edge_rule = true;
   rs_state.depth_clip_near = 1;
   rs_state.depth_clip_far = 1;

   filter->rs_state = pipe->create_rasterizer_state(pipe, &rs_state);
   if (!filter->rs_state)
      goto error_rs_state;

   memset(&blend, 0, sizeof blend);
   blend.rt[0].colormask = PIPE_MASK_R;
   filter->blend[0] = pipe->create_blend_state(pipe, &blend);
   if (!filter->blend[0])
      goto error_blendR;

   blend.rt[0].colormask = PIPE_MASK_G;
   filter->blend[1] = pipe->create_blend_state(pipe, &blend);
   if (!filter->blend[1])
      goto error_blendG;

   blend.rt[0].colormask = PIPE_MASK_B;
   filter->blend[2] = pipe->create_blend_state(pipe, &blend);
   if (!filter->blend[2])
      goto error_blendB;

   memset(&sampler, 0, sizeof(sampler));
   sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
   sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
   sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
   sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR;
   sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
   sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
   sampler.normalized_coords = 1;
   filter->sampler[0] = pipe->create_sampler_state(pipe, &sampler);
   filter->sampler[1] = filter->sampler[2] = filter->sampler[3] = filter->sampler[0];
   if (!filter->sampler[0])
      goto error_sampler;

   filter->quad = vl_vb_upload_quads(pipe);
   if(!filter->quad.buffer.resource)
      goto error_quad;

   memset(&ve, 0, sizeof(ve));
   ve.src_offset = 0;
   ve.instance_divisor = 0;
   ve.vertex_buffer_index = 0;
   ve.src_format = PIPE_FORMAT_R32G32_FLOAT;
   filter->ves = pipe->create_vertex_elements_state(pipe, 1, &ve);
   if (!filter->ves)
      goto error_ves;

   sizes.x = 1.0f / video_width;
   sizes.y = 1.0f / video_height;

   filter->vs = create_vert_shader(filter);
   if (!filter->vs)
      goto error_vs;

   filter->fs_copy_top = create_copy_frag_shader(filter, 0);
   if (!filter->fs_copy_top)
      goto error_fs_copy_top;

   filter->fs_copy_bottom = create_copy_frag_shader(filter, 1);
   if (!filter->fs_copy_bottom)
      goto error_fs_copy_bottom;

   filter->fs_deint_top = create_deint_frag_shader(filter, 0, &sizes, spatial_filter);
   if (!filter->fs_deint_top)
      goto error_fs_deint_top;

   filter->fs_deint_bottom = create_deint_frag_shader(filter, 1, &sizes, spatial_filter);
   if (!filter->fs_deint_bottom)
      goto error_fs_deint_bottom;

   return true;

error_fs_deint_bottom:
   pipe->delete_fs_state(pipe, filter->fs_deint_top);

error_fs_deint_top:
   pipe->delete_fs_state(pipe, filter->fs_copy_bottom);

error_fs_copy_bottom:
   pipe->delete_fs_state(pipe, filter->fs_copy_top);

error_fs_copy_top:
   pipe->delete_vs_state(pipe, filter->vs);

error_vs:
   pipe->delete_vertex_elements_state(pipe, filter->ves);

error_ves:
   pipe_resource_reference(&filter->quad.buffer.resource, NULL);

error_quad:
   pipe->delete_sampler_state(pipe, filter->sampler);

error_sampler:
   pipe->delete_blend_state(pipe, filter->blend[2]);

error_blendB:
   pipe->delete_blend_state(pipe, filter->blend[1]);

error_blendG:
   pipe->delete_blend_state(pipe, filter->blend[0]);

error_blendR:
   pipe->delete_rasterizer_state(pipe, filter->rs_state);

error_rs_state:
   filter->video_buffer->destroy(filter->video_buffer);

error_video_buffer:
   return false;
}
Exemplo n.º 5
0
bool
vl_matrix_filter_init(struct vl_matrix_filter *filter, struct pipe_context *pipe,
                      unsigned video_width, unsigned video_height,
                      unsigned matrix_width, unsigned matrix_height,
                      const float *matrix_values)
{
   struct pipe_rasterizer_state rs_state;
   struct pipe_blend_state blend;
   struct pipe_sampler_state sampler;
   struct pipe_vertex_element ve;
   struct vertex2f *offsets, v, sizes;
   unsigned i, num_offsets = matrix_width * matrix_height;

   assert(filter && pipe);
   assert(video_width && video_height);
   assert(matrix_width && matrix_height);

   memset(filter, 0, sizeof(*filter));
   filter->pipe = pipe;

   memset(&rs_state, 0, sizeof(rs_state));
   rs_state.half_pixel_center = true;
   rs_state.bottom_edge_rule = true;
   rs_state.depth_clip_near = 1;
   rs_state.depth_clip_far = 1;

   filter->rs_state = pipe->create_rasterizer_state(pipe, &rs_state);
   if (!filter->rs_state)
      goto error_rs_state;

   memset(&blend, 0, sizeof blend);
   blend.rt[0].rgb_func = PIPE_BLEND_ADD;
   blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
   blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
   blend.rt[0].alpha_func = PIPE_BLEND_ADD;
   blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
   blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
   blend.logicop_func = PIPE_LOGICOP_CLEAR;
   blend.rt[0].colormask = PIPE_MASK_RGBA;
   filter->blend = pipe->create_blend_state(pipe, &blend);
   if (!filter->blend)
      goto error_blend;

   memset(&sampler, 0, sizeof(sampler));
   sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
   sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
   sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
   sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
   sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
   sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
   sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
   sampler.compare_func = PIPE_FUNC_ALWAYS;
   sampler.normalized_coords = 1;
   filter->sampler = pipe->create_sampler_state(pipe, &sampler);
   if (!filter->sampler)
      goto error_sampler;

   filter->quad = vl_vb_upload_quads(pipe);
   if(!filter->quad.buffer.resource)
      goto error_quad;

   memset(&ve, 0, sizeof(ve));
   ve.src_offset = 0;
   ve.instance_divisor = 0;
   ve.vertex_buffer_index = 0;
   ve.src_format = PIPE_FORMAT_R32G32_FLOAT;
   filter->ves = pipe->create_vertex_elements_state(pipe, 1, &ve);
   if (!filter->ves)
      goto error_ves;

   offsets = MALLOC(sizeof(struct vertex2f) * num_offsets);
   if (!offsets)
      goto error_offsets;

   sizes.x = (float)(matrix_width - 1) / 2.0f;
   sizes.y = (float)(matrix_height - 1) / 2.0f;

   for (v.x = -sizes.x, i = 0; v.x <= sizes.x; v.x += 1.0f)
      for (v.y = -sizes.y; v.y <= sizes.y; v.y += 1.0f)
         offsets[i++] = v;

   for (i = 0; i < num_offsets; ++i) {
      offsets[i].x /= video_width;
      offsets[i].y /= video_height;
   }

   filter->vs = create_vert_shader(filter);
   if (!filter->vs)
      goto error_vs;

   filter->fs = create_frag_shader(filter, num_offsets, offsets, matrix_values);
   if (!filter->fs)
      goto error_fs;

   FREE(offsets);
   return true;

error_fs:
   pipe->delete_vs_state(pipe, filter->vs);

error_vs:
   FREE(offsets);

error_offsets:
   pipe->delete_vertex_elements_state(pipe, filter->ves);

error_ves:
   pipe_resource_reference(&filter->quad.buffer.resource, NULL);

error_quad:
   pipe->delete_sampler_state(pipe, filter->sampler);

error_sampler:
   pipe->delete_blend_state(pipe, filter->blend);

error_blend:
   pipe->delete_rasterizer_state(pipe, filter->rs_state);

error_rs_state:
   return false;
}
Exemplo n.º 6
0
bool
vl_median_filter_init(struct vl_median_filter *filter, struct pipe_context *pipe,
                      unsigned width, unsigned height, unsigned size,
                      enum vl_median_filter_shape shape)
{
   struct pipe_rasterizer_state rs_state;
   struct pipe_blend_state blend;
   struct pipe_sampler_state sampler;
   struct vertex2f *offsets = NULL;
   struct pipe_vertex_element ve;
   unsigned i, num_offsets = 0;

   assert(filter && pipe);
   assert(width && height);
   assert(size > 1 && size < 20);

   memset(filter, 0, sizeof(*filter));
   filter->pipe = pipe;

   memset(&rs_state, 0, sizeof(rs_state));
   rs_state.half_pixel_center = true;
   rs_state.bottom_edge_rule = true;
   rs_state.depth_clip_near = 1;
   rs_state.depth_clip_far = 1;

   filter->rs_state = pipe->create_rasterizer_state(pipe, &rs_state);
   if (!filter->rs_state)
      goto error_rs_state;

   memset(&blend, 0, sizeof blend);
   blend.rt[0].rgb_func = PIPE_BLEND_ADD;
   blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
   blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
   blend.rt[0].alpha_func = PIPE_BLEND_ADD;
   blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
   blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
   blend.logicop_func = PIPE_LOGICOP_CLEAR;
   blend.rt[0].colormask = PIPE_MASK_RGBA;
   filter->blend = pipe->create_blend_state(pipe, &blend);
   if (!filter->blend)
      goto error_blend;

   memset(&sampler, 0, sizeof(sampler));
   sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
   sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
   sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
   sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
   sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
   sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
   sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
   sampler.compare_func = PIPE_FUNC_ALWAYS;
   sampler.normalized_coords = 1;
   filter->sampler = pipe->create_sampler_state(pipe, &sampler);
   if (!filter->sampler)
      goto error_sampler;

   filter->quad = vl_vb_upload_quads(pipe);
   if(!filter->quad.buffer.resource)
      goto error_quad;

   memset(&ve, 0, sizeof(ve));
   ve.src_offset = 0;
   ve.instance_divisor = 0;
   ve.vertex_buffer_index = 0;
   ve.src_format = PIPE_FORMAT_R32G32_FLOAT;
   filter->ves = pipe->create_vertex_elements_state(pipe, 1, &ve);
   if (!filter->ves)
      goto error_ves;

   generate_offsets(shape, size, &offsets, &num_offsets);
   if (!offsets)
      goto error_offsets;

   for (i = 0; i < num_offsets; ++i) {
      offsets[i].x /= width;
      offsets[i].y /= height;
   }

   filter->vs = create_vert_shader(filter);
   if (!filter->vs)
      goto error_vs;

   filter->fs = create_frag_shader(filter, offsets, num_offsets);
   if (!filter->fs)
      goto error_fs;

   FREE(offsets);
   return true;

error_fs:
   pipe->delete_vs_state(pipe, filter->vs);

error_vs:
   FREE(offsets);

error_offsets:
   pipe->delete_vertex_elements_state(pipe, filter->ves);

error_ves:
   pipe_resource_reference(&filter->quad.buffer.resource, NULL);

error_quad:
   pipe->delete_sampler_state(pipe, filter->sampler);

error_sampler:
   pipe->delete_blend_state(pipe, filter->blend);

error_blend:
   pipe->delete_rasterizer_state(pipe, filter->rs_state);

error_rs_state:
   return false;
}