diff options
Diffstat (limited to 'src/utils.c')
| -rw-r--r-- | src/utils.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/utils.c b/src/utils.c index d768f58..28c66e0 100644 --- a/src/utils.c +++ b/src/utils.c @@ -8,6 +8,7 @@ #include <stdlib.h> #include <sys/stat.h> #include <errno.h> +#include <assert.h> #include <xf86drmMode.h> #include <xf86drm.h> @@ -518,3 +519,95 @@ int create_directory_recursive(char *path) { } return 0; } + +void setup_dma_buf_attrs(intptr_t *img_attr, uint32_t format, uint32_t width, uint32_t height, const int *fds, const uint32_t *offsets, const uint32_t *pitches, const uint64_t *modifiers, int num_planes, bool use_modifier) { + size_t img_attr_index = 0; + + img_attr[img_attr_index++] = EGL_LINUX_DRM_FOURCC_EXT; + img_attr[img_attr_index++] = format; + + img_attr[img_attr_index++] = EGL_WIDTH; + img_attr[img_attr_index++] = width; + + img_attr[img_attr_index++] = EGL_HEIGHT; + img_attr[img_attr_index++] = height; + + if(num_planes >= 1) { + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE0_FD_EXT; + img_attr[img_attr_index++] = fds[0]; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT; + img_attr[img_attr_index++] = offsets[0]; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE0_PITCH_EXT; + img_attr[img_attr_index++] = pitches[0]; + + if(use_modifier) { + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT; + img_attr[img_attr_index++] = modifiers[0] & 0xFFFFFFFFULL; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT; + img_attr[img_attr_index++] = modifiers[0] >> 32ULL; + } + } + + if(num_planes >= 2) { + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE1_FD_EXT; + img_attr[img_attr_index++] = fds[1]; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE1_OFFSET_EXT; + img_attr[img_attr_index++] = offsets[1]; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE1_PITCH_EXT; + img_attr[img_attr_index++] = pitches[1]; + + if(use_modifier) { + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT; + img_attr[img_attr_index++] = modifiers[1] & 0xFFFFFFFFULL; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT; + img_attr[img_attr_index++] = modifiers[1] >> 32ULL; + } + } + + if(num_planes >= 3) { + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE2_FD_EXT; + img_attr[img_attr_index++] = fds[2]; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE2_OFFSET_EXT; + img_attr[img_attr_index++] = offsets[2]; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE2_PITCH_EXT; + img_attr[img_attr_index++] = pitches[2]; + + if(use_modifier) { + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT; + img_attr[img_attr_index++] = modifiers[2] & 0xFFFFFFFFULL; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT; + img_attr[img_attr_index++] = modifiers[2] >> 32ULL; + } + } + + if(num_planes >= 4) { + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE3_FD_EXT; + img_attr[img_attr_index++] = fds[3]; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE3_OFFSET_EXT; + img_attr[img_attr_index++] = offsets[3]; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE3_PITCH_EXT; + img_attr[img_attr_index++] = pitches[3]; + + if(use_modifier) { + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT; + img_attr[img_attr_index++] = modifiers[3] & 0xFFFFFFFFULL; + + img_attr[img_attr_index++] = EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT; + img_attr[img_attr_index++] = modifiers[3] >> 32ULL; + } + } + + img_attr[img_attr_index++] = EGL_NONE; + assert(img_attr_index <= 44); +} |