132 lines
2.9 KiB
C
132 lines
2.9 KiB
C
#include <drm_fourcc.h>
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#include <wlr/util/log.h>
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#include "render/pixman.h"
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static const struct wlr_pixman_pixel_format formats[] = {
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{
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.drm_format = DRM_FORMAT_ARGB8888,
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#if WLR_BIG_ENDIAN
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.pixman_format = PIXMAN_b8g8r8a8,
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#else
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.pixman_format = PIXMAN_a8r8g8b8,
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#endif
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},
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{
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.drm_format = DRM_FORMAT_XBGR8888,
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#if WLR_BIG_ENDIAN
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.pixman_format = PIXMAN_r8g8b8x8,
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#else
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.pixman_format = PIXMAN_x8b8g8r8,
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#endif
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},
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{
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.drm_format = DRM_FORMAT_XRGB8888,
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#if WLR_BIG_ENDIAN
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.pixman_format = PIXMAN_b8g8r8x8,
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#else
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.pixman_format = PIXMAN_x8r8g8b8,
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#endif
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},
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{
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.drm_format = DRM_FORMAT_ABGR8888,
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#if WLR_BIG_ENDIAN
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.pixman_format = PIXMAN_r8g8b8a8,
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#else
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.pixman_format = PIXMAN_a8b8g8r8,
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#endif
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},
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{
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.drm_format = DRM_FORMAT_RGBA8888,
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#if WLR_BIG_ENDIAN
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.pixman_format = PIXMAN_a8b8g8r8,
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#else
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.pixman_format = PIXMAN_r8g8b8a8,
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#endif
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},
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{
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.drm_format = DRM_FORMAT_RGBX8888,
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#if WLR_BIG_ENDIAN
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.pixman_format = PIXMAN_x8b8g8r8,
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#else
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.pixman_format = PIXMAN_r8g8b8x8,
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#endif
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},
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{
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.drm_format = DRM_FORMAT_BGRA8888,
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#if WLR_BIG_ENDIAN
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.pixman_format = PIXMAN_a8r8g8b8,
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#else
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.pixman_format = PIXMAN_b8g8r8a8,
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#endif
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},
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{
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.drm_format = DRM_FORMAT_BGRX8888,
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#if WLR_BIG_ENDIAN
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.pixman_format = PIXMAN_x8r8g8b8,
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#else
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.pixman_format = PIXMAN_b8g8r8x8,
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#endif
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},
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#if WLR_LITTLE_ENDIAN
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// Since DRM formats are always little-endian, they don't have an
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// equivalent on big-endian if their components are spanning across
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// multiple bytes.
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{
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.drm_format = DRM_FORMAT_RGB565,
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.pixman_format = PIXMAN_r5g6b5,
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},
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{
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.drm_format = DRM_FORMAT_BGR565,
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.pixman_format = PIXMAN_b5g6r5,
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},
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{
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.drm_format = DRM_FORMAT_ARGB2101010,
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.pixman_format = PIXMAN_a2r10g10b10,
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},
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{
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.drm_format = DRM_FORMAT_XRGB2101010,
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.pixman_format = PIXMAN_x2r10g10b10,
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},
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{
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.drm_format = DRM_FORMAT_ABGR2101010,
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.pixman_format = PIXMAN_a2b10g10r10,
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},
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{
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.drm_format = DRM_FORMAT_XBGR2101010,
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.pixman_format = PIXMAN_x2b10g10r10,
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},
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#endif
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};
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pixman_format_code_t get_pixman_format_from_drm(uint32_t fmt) {
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for (size_t i = 0; i < sizeof(formats) / sizeof(*formats); ++i) {
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if (formats[i].drm_format == fmt) {
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return formats[i].pixman_format;
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}
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}
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wlr_log(WLR_ERROR, "DRM format 0x%"PRIX32" has no pixman equivalent", fmt);
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return 0;
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}
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uint32_t get_drm_format_from_pixman(pixman_format_code_t fmt) {
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for (size_t i = 0; i < sizeof(formats) / sizeof(*formats); ++i) {
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if (formats[i].pixman_format == fmt) {
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return formats[i].drm_format;
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}
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}
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wlr_log(WLR_ERROR, "pixman format 0x%"PRIX32" has no drm equivalent", fmt);
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return DRM_FORMAT_INVALID;
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}
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const uint32_t *get_pixman_drm_formats(size_t *len) {
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static uint32_t drm_formats[sizeof(formats) / sizeof(formats[0])];
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*len = sizeof(formats) / sizeof(formats[0]);
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for (size_t i = 0; i < sizeof(formats) / sizeof(formats[0]); i++) {
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drm_formats[i] = formats[i].drm_format;
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}
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return drm_formats;
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}
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