mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2026-02-05 04:06:11 -05:00
374 lines
8.1 KiB
C
374 lines
8.1 KiB
C
#include <assert.h>
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#include <drm_fourcc.h>
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#include <wlr/util/log.h>
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#include "render/pixel_format.h"
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static const struct wlr_pixel_format_info pixel_format_info[] = {
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{
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.drm_format = DRM_FORMAT_XRGB8888,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_ARGB8888,
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.opaque_substitute = DRM_FORMAT_XRGB8888,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_XBGR8888,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_ABGR8888,
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.opaque_substitute = DRM_FORMAT_XBGR8888,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_RGBX8888,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_RGBA8888,
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.opaque_substitute = DRM_FORMAT_RGBX8888,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_BGRX8888,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_BGRA8888,
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.opaque_substitute = DRM_FORMAT_BGRX8888,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_R8,
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.bytes_per_block = 1,
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},
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{
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.drm_format = DRM_FORMAT_R16F,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_R32F,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_GR88,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_GR1616F,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_GR3232F,
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.bytes_per_block = 8,
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},
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{
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.drm_format = DRM_FORMAT_RGB888,
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.bytes_per_block = 3,
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},
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{
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.drm_format = DRM_FORMAT_BGR888,
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.bytes_per_block = 3,
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},
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{
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.drm_format = DRM_FORMAT_BGR161616,
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.bytes_per_block = 6,
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},
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{
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.drm_format = DRM_FORMAT_BGR161616F,
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.bytes_per_block = 6,
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},
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{
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.drm_format = DRM_FORMAT_BGR323232F,
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.bytes_per_block = 12,
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},
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{
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.drm_format = DRM_FORMAT_RGBX4444,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_RGBA4444,
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.opaque_substitute = DRM_FORMAT_RGBX4444,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_BGRX4444,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_BGRA4444,
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.opaque_substitute = DRM_FORMAT_BGRX4444,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_RGBX5551,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_RGBA5551,
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.opaque_substitute = DRM_FORMAT_RGBX5551,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_BGRX5551,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_BGRA5551,
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.opaque_substitute = DRM_FORMAT_BGRX5551,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_XRGB1555,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_ARGB1555,
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.opaque_substitute = DRM_FORMAT_XRGB1555,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_RGB565,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_BGR565,
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.bytes_per_block = 2,
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},
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{
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.drm_format = DRM_FORMAT_XRGB2101010,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_ARGB2101010,
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.opaque_substitute = DRM_FORMAT_XRGB2101010,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_XBGR2101010,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_ABGR2101010,
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.opaque_substitute = DRM_FORMAT_XBGR2101010,
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.bytes_per_block = 4,
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},
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{
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.drm_format = DRM_FORMAT_XBGR16161616F,
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.bytes_per_block = 8,
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},
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{
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.drm_format = DRM_FORMAT_ABGR16161616F,
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.opaque_substitute = DRM_FORMAT_XBGR16161616F,
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.bytes_per_block = 8,
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},
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{
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.drm_format = DRM_FORMAT_ABGR32323232F,
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.bytes_per_block = 16,
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},
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{
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.drm_format = DRM_FORMAT_XBGR16161616,
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.bytes_per_block = 8,
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},
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{
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.drm_format = DRM_FORMAT_ABGR16161616,
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.opaque_substitute = DRM_FORMAT_XBGR16161616,
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.bytes_per_block = 8,
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},
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{
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.drm_format = DRM_FORMAT_YVYU,
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.bytes_per_block = 4,
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.block_width = 2,
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.block_height = 1,
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},
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{
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.drm_format = DRM_FORMAT_VYUY,
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.bytes_per_block = 4,
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.block_width = 2,
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.block_height = 1,
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},
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};
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static const uint32_t opaque_pixel_formats[] = {
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DRM_FORMAT_XRGB8888,
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DRM_FORMAT_XBGR8888,
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DRM_FORMAT_RGBX8888,
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DRM_FORMAT_BGRX8888,
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DRM_FORMAT_R8,
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DRM_FORMAT_GR88,
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DRM_FORMAT_RGB888,
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DRM_FORMAT_BGR888,
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DRM_FORMAT_RGBX4444,
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DRM_FORMAT_BGRX4444,
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DRM_FORMAT_RGBX5551,
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DRM_FORMAT_BGRX5551,
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DRM_FORMAT_XRGB1555,
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DRM_FORMAT_RGB565,
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DRM_FORMAT_BGR565,
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DRM_FORMAT_XRGB2101010,
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DRM_FORMAT_XBGR2101010,
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DRM_FORMAT_XBGR16161616F,
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DRM_FORMAT_XBGR16161616,
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DRM_FORMAT_YVYU,
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DRM_FORMAT_VYUY,
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DRM_FORMAT_NV12,
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DRM_FORMAT_P010,
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};
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static const size_t pixel_format_info_size =
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sizeof(pixel_format_info) / sizeof(pixel_format_info[0]);
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static const size_t opaque_pixel_formats_size =
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sizeof(opaque_pixel_formats) / sizeof(opaque_pixel_formats[0]);
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const struct wlr_pixel_format_info *drm_get_pixel_format_info(uint32_t fmt) {
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for (size_t i = 0; i < pixel_format_info_size; ++i) {
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if (pixel_format_info[i].drm_format == fmt) {
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return &pixel_format_info[i];
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}
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}
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return NULL;
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}
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uint32_t convert_wl_shm_format_to_drm(enum wl_shm_format fmt) {
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switch (fmt) {
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case WL_SHM_FORMAT_XRGB8888:
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return DRM_FORMAT_XRGB8888;
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case WL_SHM_FORMAT_ARGB8888:
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return DRM_FORMAT_ARGB8888;
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default:
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return (uint32_t)fmt;
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}
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}
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enum wl_shm_format convert_drm_format_to_wl_shm(uint32_t fmt) {
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switch (fmt) {
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case DRM_FORMAT_XRGB8888:
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return WL_SHM_FORMAT_XRGB8888;
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case DRM_FORMAT_ARGB8888:
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return WL_SHM_FORMAT_ARGB8888;
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default:
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return (enum wl_shm_format)fmt;
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}
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}
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uint32_t pixel_format_info_pixels_per_block(const struct wlr_pixel_format_info *info) {
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uint32_t pixels = info->block_width * info->block_height;
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return pixels > 0 ? pixels : 1;
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}
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static int32_t div_round_up(int32_t dividend, int32_t divisor) {
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int32_t quotient = dividend / divisor;
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if (dividend % divisor != 0) {
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quotient++;
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}
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return quotient;
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}
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int32_t pixel_format_info_min_stride(const struct wlr_pixel_format_info *fmt, int32_t width) {
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int32_t pixels_per_block = (int32_t)pixel_format_info_pixels_per_block(fmt);
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int32_t bytes_per_block = (int32_t)fmt->bytes_per_block;
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if (width > INT32_MAX / bytes_per_block) {
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wlr_log(WLR_DEBUG, "Invalid width %d (overflow)", width);
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return 0;
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}
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return div_round_up(width * bytes_per_block, pixels_per_block);
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}
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bool pixel_format_info_check_stride(const struct wlr_pixel_format_info *fmt,
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int32_t stride, int32_t width) {
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int32_t bytes_per_block = (int32_t)fmt->bytes_per_block;
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if (stride % bytes_per_block != 0) {
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wlr_log(WLR_DEBUG, "Invalid stride %d (incompatible with %d "
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"bytes-per-block)", stride, bytes_per_block);
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return false;
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}
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int32_t min_stride = pixel_format_info_min_stride(fmt, width);
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if (min_stride <= 0) {
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return false;
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} else if (stride < min_stride) {
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wlr_log(WLR_DEBUG, "Invalid stride %d (too small for %d "
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"bytes-per-block and width %d)", stride, bytes_per_block, width);
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return false;
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}
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return true;
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}
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bool pixel_format_has_alpha(uint32_t fmt) {
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for (size_t i = 0; i < opaque_pixel_formats_size; i++) {
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if (fmt == opaque_pixel_formats[i]) {
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return false;
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}
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}
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return true;
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}
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bool pixel_format_is_ycbcr(uint32_t format) {
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switch(format) {
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case DRM_FORMAT_AYUV:
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case DRM_FORMAT_NV12:
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case DRM_FORMAT_NV15:
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case DRM_FORMAT_NV16:
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case DRM_FORMAT_NV20:
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case DRM_FORMAT_NV21:
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case DRM_FORMAT_NV24:
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case DRM_FORMAT_NV30:
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case DRM_FORMAT_NV42:
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case DRM_FORMAT_NV61:
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case DRM_FORMAT_P010:
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case DRM_FORMAT_P012:
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case DRM_FORMAT_P016:
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case DRM_FORMAT_P030:
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case DRM_FORMAT_P210:
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case DRM_FORMAT_Q401:
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case DRM_FORMAT_Q410:
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case DRM_FORMAT_S010:
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case DRM_FORMAT_S012:
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case DRM_FORMAT_S016:
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case DRM_FORMAT_S210:
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case DRM_FORMAT_S212:
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case DRM_FORMAT_S216:
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case DRM_FORMAT_S410:
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case DRM_FORMAT_S412:
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case DRM_FORMAT_S416:
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case DRM_FORMAT_UYVY:
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case DRM_FORMAT_VUY101010:
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case DRM_FORMAT_VUY888:
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case DRM_FORMAT_VYUY:
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case DRM_FORMAT_X0L0:
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case DRM_FORMAT_X0L2:
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case DRM_FORMAT_XVYU12_16161616:
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case DRM_FORMAT_XVYU16161616:
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case DRM_FORMAT_XVYU2101010:
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case DRM_FORMAT_XYUV8888:
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case DRM_FORMAT_Y0L0:
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case DRM_FORMAT_Y0L2:
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case DRM_FORMAT_Y210:
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case DRM_FORMAT_Y212:
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case DRM_FORMAT_Y216:
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case DRM_FORMAT_Y410:
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case DRM_FORMAT_Y412:
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case DRM_FORMAT_Y416:
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case DRM_FORMAT_YUV410:
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case DRM_FORMAT_YUV411:
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case DRM_FORMAT_YUV420:
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case DRM_FORMAT_YUV420_10BIT:
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case DRM_FORMAT_YUV420_8BIT:
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case DRM_FORMAT_YUV422:
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case DRM_FORMAT_YUV444:
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case DRM_FORMAT_YUYV:
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case DRM_FORMAT_YVU410:
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case DRM_FORMAT_YVU411:
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case DRM_FORMAT_YVU420:
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case DRM_FORMAT_YVU422:
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case DRM_FORMAT_YVU444:
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case DRM_FORMAT_YVYU:
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return true;
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}
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return false;
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}
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