gallium/util: add planar format layouts and helpers
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Marek Olšák
parent
3d06b9952c
commit
20f132e5ef
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@ -39,6 +39,7 @@
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#include "util/u_math.h"
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#include "pipe/p_defines.h"
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#include "pipe/p_screen.h"
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boolean
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@ -968,3 +969,25 @@ util_format_snorm8_to_sint8(enum pipe_format format)
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return format;
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}
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}
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bool
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util_format_planar_is_supported(struct pipe_screen *screen,
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enum pipe_format format,
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enum pipe_texture_target target,
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unsigned sample_count,
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unsigned storage_sample_count,
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unsigned bind)
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{
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unsigned num_planes = util_format_get_num_planes(format);
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assert(num_planes >= 2);
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for (unsigned i = 0; i < num_planes; i++) {
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if (!screen->is_format_supported(screen,
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util_format_get_plane_format(format, i),
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target, sample_count,
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storage_sample_count, bind))
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return false;
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}
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return true;
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}
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@ -356,13 +356,13 @@ PIPE_FORMAT_R10G10B10X2_USCALED , plain, 1, 1, 1, u10 , u10 , u10 , x2 , xy
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# A.k.a. D3DDECLTYPE_DEC3N
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PIPE_FORMAT_R10G10B10X2_SNORM , plain, 1, 1, 1, sn10, sn10, sn10 , x2 , xyz1, rgb, x2 , sn10, sn10, sn10, wzy1
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PIPE_FORMAT_YV12 , other, 1, 1, 1, x8 , x8 , x8 , x8 , xyzw, yuv
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PIPE_FORMAT_YV16 , other, 1, 1, 1, x8 , x8 , x8 , x8 , xyzw, yuv
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PIPE_FORMAT_IYUV , other, 1, 1, 1, x8 , x8 , x8 , x8 , xyzw, yuv
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PIPE_FORMAT_NV12 , other, 1, 1, 1, x8 , x8 , x8 , x8 , xyzw, yuv
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PIPE_FORMAT_NV21 , other, 1, 1, 1, x8 , x8 , x8 , x8 , xyzw, yuv
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PIPE_FORMAT_YV12 , planar3, 1, 1, 1, , , , , xyzw, yuv
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PIPE_FORMAT_YV16 , planar3, 1, 1, 1, , , , , xyzw, yuv
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PIPE_FORMAT_IYUV , planar3, 1, 1, 1, , , , , xyzw, yuv
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PIPE_FORMAT_NV12 , planar2, 1, 1, 1, , , , , xyzw, yuv
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PIPE_FORMAT_NV21 , planar2, 1, 1, 1, , , , , xyzw, yuv
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PIPE_FORMAT_P016 , other, 1, 1, 1, x16 , x16 , , , xyzw, yuv
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PIPE_FORMAT_P016 , planar2, 1, 1, 1, , , , , xyzw, yuv
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# Usually used to implement IA44 and AI44 formats in video decoding
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PIPE_FORMAT_A4R4_UNORM , plain, 1, 1, 1, un4 , un4 , , , y00x, rgb, un4, un4 , , , x00y
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Can't render this file because it contains an unexpected character in line 8 and column 3.
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@ -35,6 +35,7 @@
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#include "util/u_debug.h"
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union pipe_color_union;
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struct pipe_screen;
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#ifdef __cplusplus
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@ -87,6 +88,10 @@ enum util_format_layout {
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UTIL_FORMAT_LAYOUT_ATC,
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/** Formats with 2 or more planes. */
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UTIL_FORMAT_LAYOUT_PLANAR2,
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UTIL_FORMAT_LAYOUT_PLANAR3,
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/**
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* Everything else that doesn't fit in any of the above layouts.
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*/
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@ -1264,6 +1269,79 @@ util_format_luminance_to_red(enum pipe_format format)
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}
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}
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static inline unsigned
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util_format_get_num_planes(enum pipe_format format)
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{
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switch (util_format_description(format)->layout) {
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case UTIL_FORMAT_LAYOUT_PLANAR3:
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return 3;
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case UTIL_FORMAT_LAYOUT_PLANAR2:
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return 2;
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default:
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return 1;
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}
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}
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static inline enum pipe_format
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util_format_get_plane_format(enum pipe_format format, unsigned plane)
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{
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switch (format) {
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case PIPE_FORMAT_YV12:
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case PIPE_FORMAT_YV16:
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case PIPE_FORMAT_IYUV:
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return PIPE_FORMAT_R8_UNORM;
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case PIPE_FORMAT_NV12:
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return !plane ? PIPE_FORMAT_R8_UNORM : PIPE_FORMAT_RG88_UNORM;
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case PIPE_FORMAT_NV21:
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return !plane ? PIPE_FORMAT_R8_UNORM : PIPE_FORMAT_GR88_UNORM;
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case PIPE_FORMAT_P016:
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return !plane ? PIPE_FORMAT_R16_UNORM : PIPE_FORMAT_R16G16_UNORM;
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default:
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return format;
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}
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}
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static inline unsigned
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util_format_get_plane_width(enum pipe_format format, unsigned plane,
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unsigned width)
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{
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switch (format) {
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case PIPE_FORMAT_YV12:
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case PIPE_FORMAT_YV16:
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case PIPE_FORMAT_IYUV:
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case PIPE_FORMAT_NV12:
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case PIPE_FORMAT_NV21:
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case PIPE_FORMAT_P016:
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return !plane ? width : (width + 1) / 2;
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default:
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return width;
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}
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}
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static inline unsigned
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util_format_get_plane_height(enum pipe_format format, unsigned plane,
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unsigned height)
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{
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switch (format) {
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case PIPE_FORMAT_YV12:
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case PIPE_FORMAT_IYUV:
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case PIPE_FORMAT_NV12:
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case PIPE_FORMAT_NV21:
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case PIPE_FORMAT_P016:
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return !plane ? height : (height + 1) / 2;
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case PIPE_FORMAT_YV16:
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default:
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return height;
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}
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}
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bool util_format_planar_is_supported(struct pipe_screen *screen,
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enum pipe_format format,
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enum pipe_texture_target target,
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unsigned sample_count,
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unsigned storage_sample_count,
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unsigned bind);
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/**
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* Return the number of components stored.
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* Formats with block size != 1x1 will always have 1 component (the block).
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@ -694,7 +694,7 @@ def generate_format_fetch(format, dst_channel, dst_native_type, dst_suffix):
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def is_format_hand_written(format):
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return format.layout in ('s3tc', 'rgtc', 'etc', 'bptc', 'astc', 'atc', 'subsampled', 'other') or format.colorspace == ZS
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return format.layout != PLAIN or format.colorspace == ZS
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def generate(formats):
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