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[g3dvl] dynamical adjust blocks per line

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This commit is contained in:
Christian König 2011-06-01 19:41:43 +02:00
parent 912dc8ff09
commit a019b60dd3
1 changed files with 4 additions and 5 deletions
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9
src/gallium/auxiliary/vl/vl_mpeg12_decoder.c
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@ -94,7 +94,7 @@ init_zscan_buffer(struct vl_mpeg12_buffer *buffer)
formats[0] = formats[1] = formats[2] = dec->zscan_source_format;
buffer->zscan_source = vl_video_buffer_init(dec->base.context, dec->pipe,
dec->blocks_per_line * BLOCK_WIDTH * BLOCK_HEIGHT,
dec->max_blocks / dec->blocks_per_line,
align(dec->max_blocks, dec->blocks_per_line) / dec->blocks_per_line,
1, PIPE_VIDEO_CHROMA_FORMAT_444,
formats, PIPE_USAGE_STATIC);
if (!buffer->zscan_source)
@ -680,14 +680,13 @@ find_format_config(struct vl_mpeg12_decoder *dec, const struct format_config con
static bool
init_zscan(struct vl_mpeg12_decoder *dec, const struct format_config* format_config)
{
const unsigned block_size_pixels = BLOCK_WIDTH * BLOCK_HEIGHT;
unsigned num_channels;
assert(dec);
dec->blocks_per_line = 4;
dec->max_blocks =
(dec->base.width * dec->base.height) /
(BLOCK_WIDTH * BLOCK_HEIGHT);
dec->blocks_per_line = MAX2(util_next_power_of_two(dec->base.width) / block_size_pixels, 4);
dec->max_blocks = (dec->base.width * dec->base.height) / block_size_pixels;
dec->zscan_source_format = format_config->zscan_source_format;
dec->zscan_linear = vl_zscan_layout(dec->pipe, vl_zscan_linear, dec->blocks_per_line);