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#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;
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 (unsigned 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;
}
}
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