/************************************************************************** * * Copyright 2011 Christian König. * All Rights Reserved. * * 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, sub license, 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 (including the * next paragraph) 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 NON-INFRINGEMENT. * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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 #include "pipe/p_screen.h" #include "pipe/p_context.h" #include "pipe/p_state.h" #include "util/u_format.h" #include "util/u_inlines.h" #include "util/u_sampler.h" #include "util/u_memory.h" #include "vl_video_buffer.h" const enum pipe_format const_resource_formats_YV12[3] = { PIPE_FORMAT_R8_UNORM, PIPE_FORMAT_R8_UNORM, PIPE_FORMAT_R8_UNORM }; const enum pipe_format const_resource_formats_NV12[3] = { PIPE_FORMAT_R8_UNORM, PIPE_FORMAT_R8G8_UNORM, PIPE_FORMAT_NONE }; const enum pipe_format * vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format) { switch(format) { case PIPE_FORMAT_YV12: return const_resource_formats_YV12; case PIPE_FORMAT_NV12: return const_resource_formats_NV12; default: return NULL; } } boolean vl_video_buffer_is_format_supported(struct pipe_screen *screen, enum pipe_format format, enum pipe_video_profile profile) { const enum pipe_format *resource_formats; unsigned i; resource_formats = vl_video_buffer_formats(screen, format); if (!resource_formats) return false; for (i = 0; i < VL_MAX_PLANES; ++i) { if (!resource_formats[i]) continue; if (!screen->is_format_supported(screen, resource_formats[i], PIPE_TEXTURE_2D, 0, PIPE_USAGE_STATIC)) return false; } return true; } unsigned vl_video_buffer_max_size(struct pipe_screen *screen) { uint32_t max_2d_texture_level; max_2d_texture_level = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS); return 1 << (max_2d_texture_level-1); } static void vl_video_buffer_destroy(struct pipe_video_buffer *buffer) { struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer; unsigned i; assert(buf); for (i = 0; i < VL_MAX_PLANES; ++i) { pipe_surface_reference(&buf->surfaces[i], NULL); pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL); pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL); pipe_resource_reference(&buf->resources[i], NULL); } FREE(buffer); } static struct pipe_sampler_view ** vl_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer) { struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer; struct pipe_sampler_view sv_templ; struct pipe_context *pipe; unsigned i; assert(buf); pipe = buf->base.context; for (i = 0; i < buf->num_planes; ++i ) { if (!buf->sampler_view_planes[i]) { memset(&sv_templ, 0, sizeof(sv_templ)); u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format); if (util_format_get_nr_components(buf->resources[i]->format) == 1) sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = sv_templ.swizzle_a = PIPE_SWIZZLE_RED; buf->sampler_view_planes[i] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ); if (!buf->sampler_view_planes[i]) goto error; } } return buf->sampler_view_planes; error: for (i = 0; i < buf->num_planes; ++i ) pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL); return NULL; } static struct pipe_sampler_view ** vl_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer) { struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer; struct pipe_sampler_view sv_templ; struct pipe_context *pipe; unsigned i, j, component; assert(buf); pipe = buf->base.context; for (component = 0, i = 0; i < buf->num_planes; ++i ) { unsigned nr_components = util_format_get_nr_components(buf->resources[i]->format); for (j = 0; j < nr_components; ++j, ++component) { assert(component < VL_MAX_PLANES); if (!buf->sampler_view_components[component]) { memset(&sv_templ, 0, sizeof(sv_templ)); u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format); sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_RED + j; sv_templ.swizzle_a = PIPE_SWIZZLE_ONE; buf->sampler_view_components[component] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ); if (!buf->sampler_view_components[component]) goto error; } } } return buf->sampler_view_components; error: for (i = 0; i < VL_MAX_PLANES; ++i ) pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL); return NULL; } static struct pipe_surface ** vl_video_buffer_surfaces(struct pipe_video_buffer *buffer) { struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer; struct pipe_surface surf_templ; struct pipe_context *pipe; unsigned i; assert(buf); pipe = buf->base.context; for (i = 0; i < buf->num_planes; ++i ) { if (!buf->surfaces[i]) { memset(&surf_templ, 0, sizeof(surf_templ)); surf_templ.format = buf->resources[i]->format; surf_templ.usage = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET; buf->surfaces[i] = pipe->create_surface(pipe, buf->resources[i], &surf_templ); if (!buf->surfaces[i]) goto error; } } return buf->surfaces; error: for (i = 0; i < buf->num_planes; ++i ) pipe_surface_reference(&buf->surfaces[i], NULL); return NULL; } struct pipe_video_buffer * vl_video_buffer_create(struct pipe_context *pipe, enum pipe_format buffer_format, enum pipe_video_chroma_format chroma_format, unsigned width, unsigned height) { const enum pipe_format *resource_formats; struct pipe_video_buffer *result; unsigned buffer_width, buffer_height; bool pot_buffers; assert(pipe); assert(width > 0 && height > 0); pot_buffers = !pipe->screen->get_video_param ( pipe->screen, PIPE_VIDEO_PROFILE_UNKNOWN, PIPE_VIDEO_CAP_NPOT_TEXTURES ); resource_formats = vl_video_buffer_formats(pipe->screen, buffer_format); if (!resource_formats) return NULL; buffer_width = pot_buffers ? util_next_power_of_two(width) : align(width, MACROBLOCK_WIDTH); buffer_height = pot_buffers ? util_next_power_of_two(height) : align(height, MACROBLOCK_HEIGHT); result = vl_video_buffer_create_ex ( pipe, buffer_width, buffer_height, 1, chroma_format, resource_formats, PIPE_USAGE_STATIC ); if (result) result->buffer_format = buffer_format; return result; } struct pipe_video_buffer * vl_video_buffer_create_ex(struct pipe_context *pipe, unsigned width, unsigned height, unsigned depth, enum pipe_video_chroma_format chroma_format, const enum pipe_format resource_formats[VL_MAX_PLANES], unsigned usage) { struct vl_video_buffer *buffer; struct pipe_resource templ; unsigned i; assert(pipe); buffer = CALLOC_STRUCT(vl_video_buffer); buffer->base.context = pipe; buffer->base.destroy = vl_video_buffer_destroy; buffer->base.get_sampler_view_planes = vl_video_buffer_sampler_view_planes; buffer->base.get_sampler_view_components = vl_video_buffer_sampler_view_components; buffer->base.get_surfaces = vl_video_buffer_surfaces; buffer->base.chroma_format = chroma_format; buffer->base.width = width; buffer->base.height = height; buffer->num_planes = 1; memset(&templ, 0, sizeof(templ)); templ.target = depth > 1 ? PIPE_TEXTURE_3D : PIPE_TEXTURE_2D; templ.format = resource_formats[0]; templ.width0 = width; templ.height0 = height; templ.depth0 = depth; templ.array_size = 1; templ.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET; templ.usage = usage; buffer->resources[0] = pipe->screen->resource_create(pipe->screen, &templ); if (!buffer->resources[0]) goto error; if (resource_formats[1] == PIPE_FORMAT_NONE) { assert(chroma_format == PIPE_VIDEO_CHROMA_FORMAT_444); assert(resource_formats[2] == PIPE_FORMAT_NONE); return &buffer->base; } else buffer->num_planes = 2; templ.format = resource_formats[1]; if (chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) { templ.width0 /= 2; templ.height0 /= 2; } else if (chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) { templ.height0 /= 2; } buffer->resources[1] = pipe->screen->resource_create(pipe->screen, &templ); if (!buffer->resources[1]) goto error; if (resource_formats[2] == PIPE_FORMAT_NONE) return &buffer->base; else buffer->num_planes = 3; templ.format = resource_formats[2]; buffer->resources[2] = pipe->screen->resource_create(pipe->screen, &templ); if (!buffer->resources[2]) goto error; return &buffer->base; error: for (i = 0; i < VL_MAX_PLANES; ++i) pipe_resource_reference(&buffer->resources[i], NULL); FREE(buffer); return NULL; }