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render: introduce pixman renderer

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Simon Zeni 2021-01-17 23:15:36 -05:00 • committed by Simon Ser
parent 9de93a866f
commit 0d90dddfab
8 changed files with 522 additions and 0 deletions
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59
render/pixman/pixel_format.c Normal file
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#include <drm_fourcc.h>
#include <wlr/util/log.h>
#include "render/pixman.h"
static const struct wlr_pixman_pixel_format formats[] = {
{
.drm_format = DRM_FORMAT_ARGB8888,
#if WLR_BIG_ENDIAN
.pixman_format = PIXMAN_b8g8r8a8,
#else
.pixman_format = PIXMAN_a8r8g8b8,
#endif
},
{
.drm_format = DRM_FORMAT_XBGR8888,
#if WLR_BIG_ENDIAN
.pixman_format = PIXMAN_r8g8b8x8,
#else
.pixman_format = PIXMAN_x8b8g8r8,
#endif
},
{
.drm_format = DRM_FORMAT_XRGB8888,
#if WLR_BIG_ENDIAN
.pixman_format = PIXMAN_b8g8r8x8,
#else
.pixman_format = PIXMAN_x8r8g8b8,
#endif
},
{
.drm_format = DRM_FORMAT_ABGR8888,
#if WLR_BIG_ENDIAN
.pixman_format = PIXMAN_r8g8b8a8,
#else
.pixman_format = PIXMAN_a8b8g8r8,
#endif
}
};
pixman_format_code_t get_pixman_format_from_drm(uint32_t fmt) {
for (size_t i = 0; i < sizeof(formats) / sizeof(*formats); ++i) {
if (formats[i].drm_format == fmt) {
return formats[i].pixman_format;
}
}
wlr_log(WLR_ERROR, "DRM format 0x%"PRIX32" has no pixman equivalent", fmt);
return 0;
}
const uint32_t *get_pixman_drm_formats(size_t *len) {
static uint32_t drm_formats[sizeof(formats) / sizeof(formats[0])];
*len = sizeof(formats) / sizeof(formats[0]);
for (size_t i = 0; i < sizeof(formats) / sizeof(formats[0]); i++) {
drm_formats[i] = formats[i].drm_format;
}
return drm_formats;
}