diff options
Diffstat (limited to 'src/gallium/auxiliary/vl')
-rw-r--r-- | src/gallium/auxiliary/vl/vl_idct.c | 7 | ||||
-rw-r--r-- | src/gallium/auxiliary/vl/vl_idct.h | 4 | ||||
-rw-r--r-- | src/gallium/auxiliary/vl/vl_mpeg12_decoder.c | 118 |
3 files changed, 94 insertions, 35 deletions
diff --git a/src/gallium/auxiliary/vl/vl_idct.c b/src/gallium/auxiliary/vl/vl_idct.c index f8e0f02c4f4..a20263bc182 100644 --- a/src/gallium/auxiliary/vl/vl_idct.c +++ b/src/gallium/auxiliary/vl/vl_idct.c @@ -585,7 +585,8 @@ bool vl_idct_init(struct vl_idct *idct, struct pipe_context *pipe, unsigned buffer_width, unsigned buffer_height, unsigned blocks_x, unsigned blocks_y, unsigned nr_of_render_targets, - struct pipe_sampler_view *matrix) + struct pipe_sampler_view *matrix, + struct pipe_sampler_view *transpose) { assert(idct && pipe && matrix); @@ -595,7 +596,9 @@ bool vl_idct_init(struct vl_idct *idct, struct pipe_context *pipe, idct->blocks_x = blocks_x; idct->blocks_y = blocks_y; idct->nr_of_render_targets = nr_of_render_targets; + pipe_sampler_view_reference(&idct->matrix, matrix); + pipe_sampler_view_reference(&idct->transpose, transpose); if(!init_shaders(idct)) return false; @@ -632,7 +635,7 @@ vl_idct_init_buffer(struct vl_idct *idct, struct vl_idct_buffer *buffer, pipe_sampler_view_reference(&buffer->sampler_views.individual.matrix, idct->matrix); pipe_sampler_view_reference(&buffer->sampler_views.individual.source, source); - pipe_sampler_view_reference(&buffer->sampler_views.individual.transpose, idct->matrix); + pipe_sampler_view_reference(&buffer->sampler_views.individual.transpose, idct->transpose); pipe_sampler_view_reference(&buffer->sampler_views.individual.intermediate, intermediate); if (!init_intermediate(idct, buffer)) diff --git a/src/gallium/auxiliary/vl/vl_idct.h b/src/gallium/auxiliary/vl/vl_idct.h index e695e32efe3..0875f17476c 100644 --- a/src/gallium/auxiliary/vl/vl_idct.h +++ b/src/gallium/auxiliary/vl/vl_idct.h @@ -50,6 +50,7 @@ struct vl_idct void *matrix_fs, *transpose_fs; struct pipe_sampler_view *matrix; + struct pipe_sampler_view *transpose; }; /* a set of buffers to work with */ @@ -77,7 +78,8 @@ bool vl_idct_init(struct vl_idct *idct, struct pipe_context *pipe, unsigned buffer_width, unsigned buffer_height, unsigned blocks_x, unsigned blocks_y, unsigned nr_of_render_targets, - struct pipe_sampler_view *matrix); + struct pipe_sampler_view *matrix, + struct pipe_sampler_view *transpose); /* destroy an idct instance */ void vl_idct_cleanup(struct vl_idct *idct); diff --git a/src/gallium/auxiliary/vl/vl_mpeg12_decoder.c b/src/gallium/auxiliary/vl/vl_mpeg12_decoder.c index d9cf13baec7..40a1b74f654 100644 --- a/src/gallium/auxiliary/vl/vl_mpeg12_decoder.c +++ b/src/gallium/auxiliary/vl/vl_mpeg12_decoder.c @@ -35,17 +35,18 @@ #include "vl_mpeg12_decoder.h" #include "vl_defines.h" -#define SCALE_FACTOR_16_TO_9 (32768.0f / 256.0f) +#define SCALE_FACTOR_SNORM (32768.0f / 256.0f) +#define SCALE_FACTOR_SSCALED (1.0f / 256.0f) static const unsigned const_empty_block_mask_420[3][2][2] = { - { { 0x20, 0x10 }, { 0x08, 0x04 } }, - { { 0x02, 0x02 }, { 0x02, 0x02 } }, - { { 0x01, 0x01 }, { 0x01, 0x01 } } + { { 0x20, 0x10 }, { 0x08, 0x04 } }, + { { 0x02, 0x02 }, { 0x02, 0x02 } }, + { { 0x01, 0x01 }, { 0x01, 0x01 } } }; static const enum pipe_format const_idct_source_formats[] = { - PIPE_FORMAT_R16G16B16A16_SNORM - //PIPE_FORMAT_R16G16B16A16_SSCALED + PIPE_FORMAT_R16G16B16A16_SNORM, + PIPE_FORMAT_R16G16B16A16_SSCALED }; static const unsigned num_idct_source_formats = @@ -53,17 +54,17 @@ static const unsigned num_idct_source_formats = static const enum pipe_format const_idct_intermediate_formats[] = { PIPE_FORMAT_R16G16B16A16_FLOAT, - PIPE_FORMAT_R16G16B16A16_SNORM - //PIPE_FORMAT_R32G32B32A32_FLOAT, - //PIPE_FORMAT_R16G16B16A16_SSCALED + PIPE_FORMAT_R16G16B16A16_SNORM, + PIPE_FORMAT_R16G16B16A16_SSCALED, + PIPE_FORMAT_R32G32B32A32_FLOAT }; static const unsigned num_idct_intermediate_formats = sizeof(const_idct_intermediate_formats) / sizeof(enum pipe_format); static const enum pipe_format const_mc_source_formats[] = { - PIPE_FORMAT_R16_SNORM - //PIPE_FORMAT_R16_SSCALED + PIPE_FORMAT_R16_SNORM, + PIPE_FORMAT_R16_SSCALED }; static const unsigned num_mc_source_formats = @@ -571,7 +572,8 @@ static bool init_idct(struct vl_mpeg12_decoder *dec, unsigned buffer_width, unsigned buffer_height) { unsigned chroma_width, chroma_height, chroma_blocks_x, chroma_blocks_y; - struct pipe_sampler_view *idct_matrix; + struct pipe_sampler_view *matrix, *transpose; + float matrix_scale, transpose_scale; dec->nr_of_idct_render_targets = dec->pipe->screen->get_param(dec->pipe->screen, PIPE_CAP_MAX_RENDER_TARGETS); @@ -590,12 +592,41 @@ init_idct(struct vl_mpeg12_decoder *dec, unsigned buffer_width, unsigned buffer_ if (dec->idct_intermediate_format == PIPE_FORMAT_NONE) return false; - if (!(idct_matrix = vl_idct_upload_matrix(dec->pipe, sqrt(SCALE_FACTOR_16_TO_9)))) - goto error_idct_matrix; + switch (dec->idct_source_format) { + case PIPE_FORMAT_R16G16B16A16_SSCALED: + matrix_scale = SCALE_FACTOR_SSCALED; + break; + + case PIPE_FORMAT_R16G16B16A16_SNORM: + matrix_scale = SCALE_FACTOR_SNORM; + break; + + default: + assert(0); + return false; + } + + if (dec->idct_intermediate_format == PIPE_FORMAT_R16G16B16A16_FLOAT || + dec->idct_intermediate_format == PIPE_FORMAT_R32G32B32A32_FLOAT) + transpose_scale = 1.0f; + else + transpose_scale = matrix_scale = sqrt(matrix_scale); + + if (dec->mc_source_format == PIPE_FORMAT_R16_SSCALED) + transpose_scale /= SCALE_FACTOR_SSCALED; + + if (!(matrix = vl_idct_upload_matrix(dec->pipe, matrix_scale))) + goto error_matrix; + + if (matrix_scale != transpose_scale) { + if (!(transpose = vl_idct_upload_matrix(dec->pipe, transpose_scale))) + goto error_transpose; + } else + pipe_sampler_view_reference(&transpose, matrix); if (!vl_idct_init(&dec->idct_y, dec->pipe, buffer_width, buffer_height, - 2, 2, dec->nr_of_idct_render_targets, idct_matrix)) - goto error_idct_y; + 2, 2, dec->nr_of_idct_render_targets, matrix, transpose)) + goto error_y; if (dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) { chroma_width = buffer_width / 2; @@ -616,19 +647,23 @@ init_idct(struct vl_mpeg12_decoder *dec, unsigned buffer_width, unsigned buffer_ if(!vl_idct_init(&dec->idct_c, dec->pipe, chroma_width, chroma_height, chroma_blocks_x, chroma_blocks_y, - dec->nr_of_idct_render_targets, idct_matrix)) - goto error_idct_c; + dec->nr_of_idct_render_targets, matrix, transpose)) + goto error_c; - pipe_sampler_view_reference(&idct_matrix, NULL); + pipe_sampler_view_reference(&matrix, NULL); + pipe_sampler_view_reference(&transpose, NULL); return true; -error_idct_c: +error_c: vl_idct_cleanup(&dec->idct_y); -error_idct_y: - pipe_sampler_view_reference(&idct_matrix, NULL); +error_y: + pipe_sampler_view_reference(&transpose, NULL); + +error_transpose: + pipe_sampler_view_reference(&matrix, NULL); -error_idct_matrix: +error_matrix: return false; } @@ -641,6 +676,7 @@ vl_create_mpeg12_decoder(struct pipe_video_context *context, unsigned width, unsigned height) { struct vl_mpeg12_decoder *dec; + float mc_scale; unsigned i; assert(u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG12); @@ -675,19 +711,37 @@ vl_create_mpeg12_decoder(struct pipe_video_context *context, assert(dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420); dec->empty_block_mask = &const_empty_block_mask_420; - if (!vl_mpeg12_mc_renderer_init(&dec->mc, dec->pipe, dec->base.width, dec->base.height, - entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT ? 1.0f : SCALE_FACTOR_16_TO_9)) - goto error_mc; - - if (entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) - if (!init_idct(dec, dec->base.width, dec->base.height)) - goto error_idct; - dec->mc_source_format = find_first_supported_format(dec, const_mc_source_formats, num_mc_source_formats, PIPE_TEXTURE_3D); if (dec->mc_source_format == PIPE_FORMAT_NONE) - return false; + return NULL; + + if (entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { + if (!init_idct(dec, dec->base.width, dec->base.height)) + goto error_idct; + if (dec->mc_source_format == PIPE_FORMAT_R16_SSCALED) + mc_scale = SCALE_FACTOR_SSCALED; + else + mc_scale = 1.0f; + } else { + switch (dec->mc_source_format) { + case PIPE_FORMAT_R16_SNORM: + mc_scale = SCALE_FACTOR_SNORM; + break; + + case PIPE_FORMAT_R16_SSCALED: + mc_scale = SCALE_FACTOR_SSCALED; + break; + + default: + assert(0); + return NULL; + } + } + + if (!vl_mpeg12_mc_renderer_init(&dec->mc, dec->pipe, dec->base.width, dec->base.height, mc_scale)) + goto error_mc; if (!init_pipe_state(dec)) goto error_pipe_state; |