diff options
Diffstat (limited to 'src/gallium/auxiliary/vl')
| -rw-r--r-- | src/gallium/auxiliary/vl/vl_mpeg12_context.c | 732 | ||||
| -rw-r--r-- | src/gallium/auxiliary/vl/vl_mpeg12_context.h | 90 |
2 files changed, 822 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/vl/vl_mpeg12_context.c b/src/gallium/auxiliary/vl/vl_mpeg12_context.c new file mode 100644 index 00000000000..947db1c22be --- /dev/null +++ b/src/gallium/auxiliary/vl/vl_mpeg12_context.c @@ -0,0 +1,732 @@ +/************************************************************************** + * + * Copyright 2009 Younes Manton. + * 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 "util/u_inlines.h" +#include "util/u_memory.h" + +#include "vl_mpeg12_context.h" +#include "vl_defines.h" +#include <pipe/p_shader_tokens.h> +#include <util/u_inlines.h> +#include <util/u_memory.h> +#include <util/u_keymap.h> +#include <util/u_rect.h> +#include <util/u_video.h> +#include <util/u_surface.h> + +#define NUM_BUFFERS 2 + +static void +flush_buffer(struct vl_mpeg12_context *ctx) +{ + unsigned ne_start, ne_num, e_start, e_num; + assert(ctx); + + if(ctx->cur_buffer != NULL) { + + vl_vb_unmap(&ctx->cur_buffer->vertex_stream, ctx->pipe); + vl_idct_unmap_buffers(&ctx->idct_y, &ctx->cur_buffer->idct_y); + vl_idct_unmap_buffers(&ctx->idct_cr, &ctx->cur_buffer->idct_cr); + vl_idct_unmap_buffers(&ctx->idct_cb, &ctx->cur_buffer->idct_cb); + vl_vb_restart(&ctx->cur_buffer->vertex_stream, + &ne_start, &ne_num, &e_start, &e_num); + + ctx->pipe->set_vertex_buffers(ctx->pipe, 2, ctx->cur_buffer->vertex_bufs.all); + ctx->pipe->bind_vertex_elements_state(ctx->pipe, ctx->vertex_elems_state); + vl_idct_flush(&ctx->idct_y, &ctx->cur_buffer->idct_y, ne_num); + vl_idct_flush(&ctx->idct_cr, &ctx->cur_buffer->idct_cr, ne_num); + vl_idct_flush(&ctx->idct_cb, &ctx->cur_buffer->idct_cb, ne_num); + vl_mpeg12_mc_renderer_flush(&ctx->mc_renderer, &ctx->cur_buffer->mc, + ne_start, ne_num, e_start, e_num); + + ctx->cur_buffer = NULL; + } +} + +static void +rotate_buffer(struct vl_mpeg12_context *ctx) +{ + struct pipe_resource *y, *cr, *cb; + static unsigned key = 0; + struct vl_mpeg12_buffer *buffer; + + assert(ctx); + + flush_buffer(ctx); + + buffer = (struct vl_mpeg12_buffer*)util_keymap_lookup(ctx->buffer_map, &key); + if (!buffer) { + boolean added_to_map; + + buffer = CALLOC_STRUCT(vl_mpeg12_buffer); + if (buffer == NULL) + return; + + buffer->vertex_bufs.individual.quad.stride = ctx->quads.stride; + buffer->vertex_bufs.individual.quad.buffer_offset = ctx->quads.buffer_offset; + pipe_resource_reference(&buffer->vertex_bufs.individual.quad.buffer, ctx->quads.buffer); + + buffer->vertex_bufs.individual.stream = vl_vb_init(&buffer->vertex_stream, ctx->pipe, + ctx->vertex_buffer_size); + if (!(y = vl_idct_init_buffer(&ctx->idct_y, &buffer->idct_y))) { + FREE(buffer); + return; + } + + if (!(cr = vl_idct_init_buffer(&ctx->idct_cr, &buffer->idct_cr))) { + FREE(buffer); + return; + } + + if (!(cb = vl_idct_init_buffer(&ctx->idct_cb, &buffer->idct_cb))) { + FREE(buffer); + return; + } + + if(!vl_mpeg12_mc_init_buffer(&ctx->mc_renderer, &buffer->mc, y, cr, cb)) { + FREE(buffer); + return; + } + + added_to_map = util_keymap_insert(ctx->buffer_map, &key, buffer, ctx); + assert(added_to_map); + } + ++key; + key %= NUM_BUFFERS; + ctx->cur_buffer = buffer; + + vl_vb_map(&ctx->cur_buffer->vertex_stream, ctx->pipe); + vl_idct_map_buffers(&ctx->idct_y, &ctx->cur_buffer->idct_y); + vl_idct_map_buffers(&ctx->idct_cr, &ctx->cur_buffer->idct_cr); + vl_idct_map_buffers(&ctx->idct_cb, &ctx->cur_buffer->idct_cb); +} + +static void +delete_buffer(const struct keymap *map, + const void *key, void *data, + void *user) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)user; + struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)data; + + assert(map); + assert(key); + assert(data); + assert(user); + + vl_vb_cleanup(&buf->vertex_stream); + vl_idct_cleanup_buffer(&ctx->idct_y, &buf->idct_y); + vl_idct_cleanup_buffer(&ctx->idct_cb, &buf->idct_cb); + vl_idct_cleanup_buffer(&ctx->idct_cr, &buf->idct_cr); + vl_mpeg12_mc_cleanup_buffer(&ctx->mc_renderer, &buf->mc); +} + +static void +upload_buffer(struct vl_mpeg12_context *ctx, + struct vl_mpeg12_buffer *buffer, + struct pipe_mpeg12_macroblock *mb) +{ + short *blocks; + unsigned tb, x, y; + + assert(ctx); + assert(buffer); + assert(mb); + + blocks = mb->blocks; + + for (y = 0; y < 2; ++y) { + for (x = 0; x < 2; ++x, ++tb) { + if (mb->cbp & (*ctx->mc_renderer.empty_block_mask)[0][y][x]) { + vl_idct_add_block(&buffer->idct_y, mb->mbx * 2 + x, mb->mby * 2 + y, blocks); + blocks += BLOCK_WIDTH * BLOCK_HEIGHT; + } + } + } + + /* TODO: Implement 422, 444 */ + assert(ctx->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420); + + for (tb = 1; tb < 3; ++tb) { + if (mb->cbp & (*ctx->mc_renderer.empty_block_mask)[tb][0][0]) { + if(tb == 1) + vl_idct_add_block(&buffer->idct_cb, mb->mbx, mb->mby, blocks); + else + vl_idct_add_block(&buffer->idct_cr, mb->mbx, mb->mby, blocks); + blocks += BLOCK_WIDTH * BLOCK_HEIGHT; + } + } +} + +static void +vl_mpeg12_destroy(struct pipe_video_context *vpipe) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + + flush_buffer(ctx); + + /* Asserted in softpipe_delete_fs_state() for some reason */ + ctx->pipe->bind_vs_state(ctx->pipe, NULL); + ctx->pipe->bind_fs_state(ctx->pipe, NULL); + + ctx->pipe->delete_blend_state(ctx->pipe, ctx->blend); + ctx->pipe->delete_rasterizer_state(ctx->pipe, ctx->rast); + ctx->pipe->delete_depth_stencil_alpha_state(ctx->pipe, ctx->dsa); + + pipe_surface_reference(&ctx->decode_target, NULL); + vl_compositor_cleanup(&ctx->compositor); + util_delete_keymap(ctx->buffer_map, ctx); + vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer); + vl_idct_cleanup(&ctx->idct_y); + vl_idct_cleanup(&ctx->idct_cr); + vl_idct_cleanup(&ctx->idct_cb); + ctx->pipe->delete_vertex_elements_state(ctx->pipe, ctx->vertex_elems_state); + pipe_resource_reference(&ctx->quads.buffer, NULL); + ctx->pipe->destroy(ctx->pipe); + + FREE(ctx); +} + +static int +vl_mpeg12_get_param(struct pipe_video_context *vpipe, int param) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + + switch (param) { + case PIPE_CAP_NPOT_TEXTURES: + /* XXX: Temporary; not all paths are NPOT-tested */ +#if 0 + return ctx->pipe->screen->get_param(ctx->pipe->screen, param); +#endif + return FALSE; + case PIPE_CAP_DECODE_TARGET_PREFERRED_FORMAT: + return ctx->decode_format; + default: + { + debug_printf("vl_mpeg12_context: Unknown PIPE_CAP %d\n", param); + return 0; + } + } +} + +static struct pipe_surface * +vl_mpeg12_create_surface(struct pipe_video_context *vpipe, + struct pipe_resource *resource, + const struct pipe_surface *templat) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + + return ctx->pipe->create_surface(ctx->pipe, resource, templat); +} + +static boolean +vl_mpeg12_is_format_supported(struct pipe_video_context *vpipe, + enum pipe_format format, + unsigned usage, + unsigned geom) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + + /* XXX: Temporary; not all paths are NPOT-tested */ + if (geom & PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO) + return FALSE; + + + return ctx->pipe->screen->is_format_supported(ctx->pipe->screen, format, PIPE_TEXTURE_2D, + 0, usage, geom); +} + +static void +vl_mpeg12_decode_macroblocks(struct pipe_video_context *vpipe, + struct pipe_surface *past, + struct pipe_surface *future, + unsigned num_macroblocks, + struct pipe_macroblock *macroblocks, + struct pipe_fence_handle **fence) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + struct pipe_mpeg12_macroblock *mpeg12_macroblocks = (struct pipe_mpeg12_macroblock*)macroblocks; + unsigned i; + + assert(vpipe); + assert(num_macroblocks); + assert(macroblocks); + assert(macroblocks->codec == PIPE_VIDEO_CODEC_MPEG12); + assert(ctx->decode_target); + assert(ctx->cur_buffer); + + for ( i = 0; i < num_macroblocks; ++i ) { + vl_vb_add_block(&ctx->cur_buffer->vertex_stream, &mpeg12_macroblocks[i], + ctx->mc_renderer.empty_block_mask); + upload_buffer(ctx, ctx->cur_buffer, &mpeg12_macroblocks[i]); + } + + vl_mpeg12_mc_set_surfaces(&ctx->mc_renderer, &ctx->cur_buffer->mc, + ctx->decode_target, past, future, fence); +} + +static void +vl_mpeg12_clear_render_target(struct pipe_video_context *vpipe, + struct pipe_surface *dst, + unsigned dstx, unsigned dsty, + const float *rgba, + unsigned width, unsigned height) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert(dst); + + if (ctx->pipe->clear_render_target) + ctx->pipe->clear_render_target(ctx->pipe, dst, rgba, dstx, dsty, width, height); + else + util_clear_render_target(ctx->pipe, dst, rgba, dstx, dsty, width, height); +} + +static void +vl_mpeg12_resource_copy_region(struct pipe_video_context *vpipe, + struct pipe_resource *dst, + unsigned dstx, unsigned dsty, unsigned dstz, + struct pipe_resource *src, + unsigned srcx, unsigned srcy, unsigned srcz, + unsigned width, unsigned height) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert(dst); + + struct pipe_box box; + box.x = srcx; + box.y = srcy; + box.z = srcz; + box.width = width; + box.height = height; + + if (ctx->pipe->resource_copy_region) + ctx->pipe->resource_copy_region(ctx->pipe, dst, 0, + dstx, dsty, dstz, + src, 0, &box); + else + util_resource_copy_region(ctx->pipe, dst, 0, + dstx, dsty, dstz, + src, 0, &box); +} + +static struct pipe_transfer* +vl_mpeg12_get_transfer(struct pipe_video_context *vpipe, + struct pipe_resource *resource, + unsigned level, + unsigned usage, /* a combination of PIPE_TRANSFER_x */ + const struct pipe_box *box) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert(resource); + assert(box); + + return ctx->pipe->get_transfer(ctx->pipe, resource, level, usage, box); +} + +static void +vl_mpeg12_transfer_destroy(struct pipe_video_context *vpipe, + struct pipe_transfer *transfer) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert(transfer); + + ctx->pipe->transfer_destroy(ctx->pipe, transfer); +} + +static void* +vl_mpeg12_transfer_map(struct pipe_video_context *vpipe, + struct pipe_transfer *transfer) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert(transfer); + + return ctx->pipe->transfer_map(ctx->pipe, transfer); +} + +static void +vl_mpeg12_transfer_flush_region(struct pipe_video_context *vpipe, + struct pipe_transfer *transfer, + const struct pipe_box *box) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert(transfer); + assert(box); + + ctx->pipe->transfer_flush_region(ctx->pipe, transfer, box); +} + +static void +vl_mpeg12_transfer_unmap(struct pipe_video_context *vpipe, + struct pipe_transfer *transfer) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert(transfer); + + ctx->pipe->transfer_unmap(ctx->pipe, transfer); +} + +static void +vl_mpeg12_transfer_inline_write(struct pipe_video_context *vpipe, + struct pipe_resource *resource, + unsigned level, + unsigned usage, /* a combination of PIPE_TRANSFER_x */ + const struct pipe_box *box, + const void *data, + unsigned stride, + unsigned slice_stride) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert(resource); + assert(box); + assert(data); + assert(ctx->pipe->transfer_inline_write); + + ctx->pipe->transfer_inline_write(ctx->pipe, resource, level, usage, + box, data, stride, slice_stride); +} + +static void +vl_mpeg12_render_picture(struct pipe_video_context *vpipe, + struct pipe_surface *src_surface, + enum pipe_mpeg12_picture_type picture_type, + /*unsigned num_past_surfaces, + struct pipe_surface *past_surfaces, + unsigned num_future_surfaces, + struct pipe_surface *future_surfaces,*/ + struct pipe_video_rect *src_area, + struct pipe_surface *dst_surface, + struct pipe_video_rect *dst_area, + struct pipe_fence_handle **fence) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert(src_surface); + assert(src_area); + assert(dst_surface); + assert(dst_area); + + flush_buffer(ctx); + + vl_compositor_render(&ctx->compositor, src_surface, + picture_type, src_area, dst_surface, dst_area, fence); +} + +static void +vl_mpeg12_set_picture_background(struct pipe_video_context *vpipe, + struct pipe_surface *bg, + struct pipe_video_rect *bg_src_rect) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert(bg); + assert(bg_src_rect); + + vl_compositor_set_background(&ctx->compositor, bg, bg_src_rect); +} + +static void +vl_mpeg12_set_picture_layers(struct pipe_video_context *vpipe, + struct pipe_surface *layers[], + struct pipe_video_rect *src_rects[], + struct pipe_video_rect *dst_rects[], + unsigned num_layers) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert((layers && src_rects && dst_rects) || + (!layers && !src_rects && !dst_rects)); + + vl_compositor_set_layers(&ctx->compositor, layers, src_rects, dst_rects, num_layers); +} + +static void +vl_mpeg12_set_decode_target(struct pipe_video_context *vpipe, + struct pipe_surface *dt) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + assert(dt); + + if (ctx->decode_target != dt || ctx->cur_buffer == NULL) { + rotate_buffer(ctx); + + pipe_surface_reference(&ctx->decode_target, dt); + } +} + +static void +vl_mpeg12_set_csc_matrix(struct pipe_video_context *vpipe, const float *mat) +{ + struct vl_mpeg12_context *ctx = (struct vl_mpeg12_context*)vpipe; + + assert(vpipe); + + vl_compositor_set_csc_matrix(&ctx->compositor, mat); +} + +static bool +init_pipe_state(struct vl_mpeg12_context *ctx) +{ + struct pipe_rasterizer_state rast; + struct pipe_blend_state blend; + struct pipe_depth_stencil_alpha_state dsa; + unsigned i; + + assert(ctx); + + memset(&rast, 0, sizeof rast); + rast.flatshade = 1; + rast.flatshade_first = 0; + rast.light_twoside = 0; + rast.front_ccw = 1; + rast.cull_face = PIPE_FACE_NONE; + rast.fill_back = PIPE_POLYGON_MODE_FILL; + rast.fill_front = PIPE_POLYGON_MODE_FILL; + rast.offset_point = 0; + rast.offset_line = 0; + rast.scissor = 0; + rast.poly_smooth = 0; + rast.poly_stipple_enable = 0; + rast.sprite_coord_enable = 0; + rast.point_size_per_vertex = 0; + rast.multisample = 0; + rast.line_smooth = 0; + rast.line_stipple_enable = 0; + rast.line_stipple_factor = 0; + rast.line_stipple_pattern = 0; + rast.line_last_pixel = 0; + rast.line_width = 1; + rast.point_smooth = 0; + rast.point_quad_rasterization = 0; + rast.point_size_per_vertex = 1; + rast.offset_units = 1; + rast.offset_scale = 1; + rast.gl_rasterization_rules = 1; + + ctx->rast = ctx->pipe->create_rasterizer_state(ctx->pipe, &rast); + ctx->pipe->bind_rasterizer_state(ctx->pipe, ctx->rast); + + memset(&blend, 0, sizeof blend); + + blend.independent_blend_enable = 0; + blend.rt[0].blend_enable = 0; + 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_enable = 0; + blend.logicop_func = PIPE_LOGICOP_CLEAR; + /* Needed to allow color writes to FB, even if blending disabled */ + blend.rt[0].colormask = PIPE_MASK_RGBA; + blend.dither = 0; + ctx->blend = ctx->pipe->create_blend_state(ctx->pipe, &blend); + ctx->pipe->bind_blend_state(ctx->pipe, ctx->blend); + + memset(&dsa, 0, sizeof dsa); + dsa.depth.enabled = 0; + dsa.depth.writemask = 0; + dsa.depth.func = PIPE_FUNC_ALWAYS; + for (i = 0; i < 2; ++i) { + dsa.stencil[i].enabled = 0; + dsa.stencil[i].func = PIPE_FUNC_ALWAYS; + dsa.stencil[i].fail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[i].zpass_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[i].zfail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[i].valuemask = 0; + dsa.stencil[i].writemask = 0; + } + dsa.alpha.enabled = 0; + dsa.alpha.func = PIPE_FUNC_ALWAYS; + dsa.alpha.ref_value = 0; + ctx->dsa = ctx->pipe->create_depth_stencil_alpha_state(ctx->pipe, &dsa); + ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe, ctx->dsa); + + return true; +} + +struct pipe_video_context * +vl_create_mpeg12_context(struct pipe_context *pipe, + enum pipe_video_profile profile, + enum pipe_video_chroma_format chroma_format, + unsigned width, unsigned height, + bool pot_buffers, + enum pipe_format decode_format) +{ + struct pipe_resource *idct_matrix; + unsigned buffer_width, buffer_height; + unsigned chroma_width, chroma_height, chroma_blocks_x, chroma_blocks_y; + struct vl_mpeg12_context *ctx; + + assert(u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG12); + + ctx = CALLOC_STRUCT(vl_mpeg12_context); + + if (!ctx) + return NULL; + + /* TODO: Non-pot buffers untested, probably doesn't work without changes to texcoord generation, vert shader, etc */ + assert(pot_buffers); + + buffer_width = pot_buffers ? util_next_power_of_two(width) : width; + buffer_height = pot_buffers ? util_next_power_of_two(height) : height; + + ctx->base.profile = profile; + ctx->base.chroma_format = chroma_format; + ctx->base.width = width; + ctx->base.height = height; + + ctx->base.screen = pipe->screen; + + ctx->base.destroy = vl_mpeg12_destroy; + ctx->base.get_param = vl_mpeg12_get_param; + ctx->base.is_format_supported = vl_mpeg12_is_format_supported; + ctx->base.create_surface = vl_mpeg12_create_surface; + ctx->base.decode_macroblocks = vl_mpeg12_decode_macroblocks; + ctx->base.render_picture = vl_mpeg12_render_picture; + ctx->base.clear_render_target = vl_mpeg12_clear_render_target; + ctx->base.resource_copy_region = vl_mpeg12_resource_copy_region; + ctx->base.get_transfer = vl_mpeg12_get_transfer; + ctx->base.transfer_destroy = vl_mpeg12_transfer_destroy; + ctx->base.transfer_map = vl_mpeg12_transfer_map; + ctx->base.transfer_flush_region = vl_mpeg12_transfer_flush_region; + ctx->base.transfer_unmap = vl_mpeg12_transfer_unmap; + if (pipe->transfer_inline_write) + ctx->base.transfer_inline_write = vl_mpeg12_transfer_inline_write; + ctx->base.set_picture_background = vl_mpeg12_set_picture_background; + ctx->base.set_picture_layers = vl_mpeg12_set_picture_layers; + ctx->base.set_decode_target = vl_mpeg12_set_decode_target; + ctx->base.set_csc_matrix = vl_mpeg12_set_csc_matrix; + + ctx->pipe = pipe; + ctx->decode_format = decode_format; + + ctx->quads = vl_vb_upload_quads(ctx->pipe, 2, 2); + ctx->vertex_buffer_size = width / MACROBLOCK_WIDTH * height / MACROBLOCK_HEIGHT; + ctx->vertex_elems_state = vl_vb_get_elems_state(ctx->pipe, true); + + if (ctx->vertex_elems_state == NULL) { + ctx->pipe->destroy(ctx->pipe); + FREE(ctx); + return NULL; + } + + if (!(idct_matrix = vl_idct_upload_matrix(ctx->pipe))) + return false; + + if (!vl_idct_init(&ctx->idct_y, ctx->pipe, buffer_width, buffer_height, + 2, 2, TGSI_SWIZZLE_X, idct_matrix)) + return false; + + if (chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) { + chroma_width = buffer_width / 2; + chroma_height = buffer_height / 2; + chroma_blocks_x = 1; + chroma_blocks_y = 1; + } else if (chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) { + chroma_width = buffer_width; + chroma_height = buffer_height / 2; + chroma_blocks_x = 2; + chroma_blocks_y = 1; + } else { + chroma_width = buffer_width; + chroma_height = buffer_height; + chroma_blocks_x = 2; + chroma_blocks_y = 2; + } + + if(!vl_idct_init(&ctx->idct_cr, ctx->pipe, chroma_width, chroma_height, + chroma_blocks_x, chroma_blocks_y, TGSI_SWIZZLE_Y, idct_matrix)) + return false; + + if(!vl_idct_init(&ctx->idct_cb, ctx->pipe, chroma_width, chroma_height, + chroma_blocks_x, chroma_blocks_y, TGSI_SWIZZLE_Z, idct_matrix)) + return false; + + if (!vl_mpeg12_mc_renderer_init(&ctx->mc_renderer, ctx->pipe, + buffer_width, buffer_height, chroma_format)) { + ctx->pipe->destroy(ctx->pipe); + FREE(ctx); + return NULL; + } + + ctx->buffer_map = util_new_keymap(sizeof(unsigned), -1, delete_buffer); + if (!ctx->buffer_map) { + vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer); + ctx->pipe->destroy(ctx->pipe); + FREE(ctx); + return NULL; + } + + if (!vl_compositor_init(&ctx->compositor, ctx->pipe)) { + util_delete_keymap(ctx->buffer_map, ctx); + vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer); + ctx->pipe->destroy(ctx->pipe); + FREE(ctx); + return NULL; + } + + if (!init_pipe_state(ctx)) { + vl_compositor_cleanup(&ctx->compositor); + util_delete_keymap(ctx->buffer_map, ctx); + vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer); + ctx->pipe->destroy(ctx->pipe); + FREE(ctx); + return NULL; + } + + return &ctx->base; +} diff --git a/src/gallium/auxiliary/vl/vl_mpeg12_context.h b/src/gallium/auxiliary/vl/vl_mpeg12_context.h new file mode 100644 index 00000000000..6ad734c9fda --- /dev/null +++ b/src/gallium/auxiliary/vl/vl_mpeg12_context.h @@ -0,0 +1,90 @@ +/************************************************************************** + * + * Copyright 2009 Younes Manton. + * 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. + * + **************************************************************************/ + +#ifndef VL_MPEG12_CONTEXT_H +#define VL_MPEG12_CONTEXT_H + +#include <pipe/p_video_context.h> +#include "vl_idct.h" +#include "vl_mpeg12_mc_renderer.h" +#include "vl_compositor.h" + +struct pipe_screen; +struct pipe_context; + +struct vl_mpeg12_context +{ + struct pipe_video_context base; + struct pipe_context *pipe; + struct pipe_surface *decode_target; + + struct pipe_vertex_buffer quads; + unsigned vertex_buffer_size; + void *vertex_elems_state; + + struct vl_idct idct_y, idct_cr, idct_cb; + struct vl_mpeg12_mc_renderer mc_renderer; + + struct keymap *buffer_map; + struct vl_mpeg12_buffer *cur_buffer; + struct vl_compositor compositor; + + void *rast; + void *dsa; + void *blend; + + enum pipe_format decode_format; +}; + +struct vl_mpeg12_buffer +{ + struct vl_vertex_buffer vertex_stream; + + union + { + struct pipe_vertex_buffer all[2]; + struct { + struct pipe_vertex_buffer quad, stream; + } individual; + } vertex_bufs; + + struct vl_idct_buffer idct_y, idct_cb, idct_cr; + + struct vl_mpeg12_mc_buffer mc; +}; + +/* drivers can call this function in their pipe_video_context constructors and pass it + an accelerated pipe_context along with suitable buffering modes, etc */ +struct pipe_video_context * +vl_create_mpeg12_context(struct pipe_context *pipe, + enum pipe_video_profile profile, + enum pipe_video_chroma_format chroma_format, + unsigned width, unsigned height, + bool pot_buffers, + enum pipe_format decode_format); + +#endif /* VL_MPEG12_CONTEXT_H */ |