diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_video_context.c')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_video_context.c | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_video_context.c b/src/gallium/drivers/softpipe/sp_video_context.c new file mode 100644 index 0000000000..ccb29726b6 --- /dev/null +++ b/src/gallium/drivers/softpipe/sp_video_context.c @@ -0,0 +1,268 @@ +#include "sp_video_context.h" +#include <pipe/p_inlines.h> +#include <util/u_memory.h> +#include "softpipe/sp_winsys.h" +#include "softpipe/sp_texture.h" + +static void +sp_mpeg12_destroy(struct pipe_video_context *vpipe) +{ + struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe; + + assert(vpipe); + + /* 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_video_surface_reference(&ctx->decode_target, NULL); + vl_compositor_cleanup(&ctx->compositor); + vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer); + ctx->pipe->destroy(ctx->pipe); + + FREE(ctx); +} + +static void +sp_mpeg12_decode_macroblocks(struct pipe_video_context *vpipe, + struct pipe_video_surface *past, + struct pipe_video_surface *future, + unsigned num_macroblocks, + struct pipe_macroblock *macroblocks, + struct pipe_fence_handle **fence) +{ + struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe; + struct pipe_mpeg12_macroblock *mpeg12_macroblocks = (struct pipe_mpeg12_macroblock*)macroblocks; + + assert(vpipe); + assert(num_macroblocks); + assert(macroblocks); + assert(macroblocks->codec == PIPE_VIDEO_CODEC_MPEG12); + assert(ctx->decode_target); + + vl_mpeg12_mc_renderer_render_macroblocks(&ctx->mc_renderer, + softpipe_video_surface(ctx->decode_target)->tex, + past ? softpipe_video_surface(past)->tex : NULL, + future ? softpipe_video_surface(future)->tex : NULL, + num_macroblocks, mpeg12_macroblocks, fence); +} + +static void +sp_mpeg12_clear_surface(struct pipe_video_context *vpipe, + unsigned x, unsigned y, + unsigned width, unsigned height, + unsigned value, + struct pipe_surface *surface) +{ + struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe; + + assert(vpipe); + assert(surface); + + ctx->pipe->surface_fill(ctx->pipe, surface, x, y, width, height, value); +} + +static void +sp_mpeg12_render_picture(struct pipe_video_context *vpipe, + /*struct pipe_surface *backround, + struct pipe_video_rect *backround_area,*/ + struct pipe_video_surface *src_surface, + enum pipe_mpeg12_picture_type picture_type, + /*unsigned num_past_surfaces, + struct pipe_video_surface *past_surfaces, + unsigned num_future_surfaces, + struct pipe_video_surface *future_surfaces,*/ + struct pipe_video_rect *src_area, + struct pipe_surface *dst_surface, + struct pipe_video_rect *dst_area, + /*unsigned num_layers, + struct pipe_surface *layers, + struct pipe_video_rect *layer_src_areas, + struct pipe_video_rect *layer_dst_areas*/ + struct pipe_fence_handle **fence) +{ + struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe; + + assert(vpipe); + assert(src_surface); + assert(src_area); + assert(dst_surface); + assert(dst_area); + + vl_compositor_render(&ctx->compositor, softpipe_video_surface(src_surface)->tex, + picture_type, src_area, dst_surface->texture, dst_area, fence); +} + +static void +sp_mpeg12_set_decode_target(struct pipe_video_context *vpipe, + struct pipe_video_surface *dt) +{ + struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe; + + assert(vpipe); + assert(dt); + + pipe_video_surface_reference(&ctx->decode_target, dt); +} + +static bool +init_pipe_state(struct sp_mpeg12_context *ctx) +{ + struct pipe_rasterizer_state rast; + struct pipe_blend_state blend; + struct pipe_depth_stencil_alpha_state dsa; + unsigned i; + + assert(ctx); + + rast.flatshade = 1; + rast.flatshade_first = 0; + rast.light_twoside = 0; + rast.front_winding = PIPE_WINDING_CCW; + rast.cull_mode = PIPE_WINDING_CW; + rast.fill_cw = PIPE_POLYGON_MODE_FILL; + rast.fill_ccw = PIPE_POLYGON_MODE_FILL; + rast.offset_cw = 0; + rast.offset_ccw = 0; + rast.scissor = 0; + rast.poly_smooth = 0; + rast.poly_stipple_enable = 0; + rast.point_sprite = 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.bypass_vs_clip_and_viewport = 0; + rast.line_width = 1; + rast.point_smooth = 0; + rast.point_size = 1; + rast.offset_units = 1; + rast.offset_scale = 1; + /*rast.sprite_coord_mode[i] = ;*/ + ctx->rast = ctx->pipe->create_rasterizer_state(ctx->pipe, &rast); + ctx->pipe->bind_rasterizer_state(ctx->pipe, ctx->rast); + + blend.blend_enable = 0; + blend.rgb_func = PIPE_BLEND_ADD; + blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE; + blend.rgb_dst_factor = PIPE_BLENDFACTOR_ONE; + blend.alpha_func = PIPE_BLEND_ADD; + blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE; + blend.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.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); + + dsa.depth.enabled = 0; + dsa.depth.writemask = 0; + dsa.depth.func = PIPE_FUNC_ALWAYS; + dsa.depth.occlusion_count = 0; + 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].ref_value = 0; + 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; +} + +static struct pipe_video_context * +sp_mpeg12_create(struct pipe_screen *screen, enum pipe_video_profile profile, + enum pipe_video_chroma_format chroma_format, + unsigned width, unsigned height) +{ + struct sp_mpeg12_context *ctx; + + assert(u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG12); + + ctx = CALLOC_STRUCT(sp_mpeg12_context); + + if (!ctx) + return NULL; + + ctx->base.profile = profile; + ctx->base.chroma_format = chroma_format; + ctx->base.width = width; + ctx->base.height = height; + + ctx->base.screen = screen; + ctx->base.destroy = sp_mpeg12_destroy; + ctx->base.decode_macroblocks = sp_mpeg12_decode_macroblocks; + ctx->base.clear_surface = sp_mpeg12_clear_surface; + ctx->base.render_picture = sp_mpeg12_render_picture; + ctx->base.set_decode_target = sp_mpeg12_set_decode_target; + + ctx->pipe = softpipe_create(screen); + if (!ctx->pipe) { + FREE(ctx); + return NULL; + } + + /* TODO: Use slice buffering for softpipe when implemented, no advantage to buffering an entire picture */ + if (!vl_mpeg12_mc_renderer_init(&ctx->mc_renderer, ctx->pipe, + width, height, chroma_format, + VL_MPEG12_MC_RENDERER_BUFFER_PICTURE, + /* TODO: Use XFER_NONE when implemented */ + VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE, + true)) { + ctx->pipe->destroy(ctx->pipe); + FREE(ctx); + return NULL; + } + + if (!vl_compositor_init(&ctx->compositor, ctx->pipe)) { + 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); + vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer); + ctx->pipe->destroy(ctx->pipe); + FREE(ctx); + return NULL; + } + + return &ctx->base; +} + +struct pipe_video_context * +sp_video_create(struct pipe_screen *screen, enum pipe_video_profile profile, + enum pipe_video_chroma_format chroma_format, + unsigned width, unsigned height) +{ + assert(screen); + assert(width && height); + + switch (u_reduce_video_profile(profile)) { + case PIPE_VIDEO_CODEC_MPEG12: + return sp_mpeg12_create(screen, profile, + chroma_format, + width, height); + default: + return NULL; + } +} |