Files
gtk/gdk/gdkdataformat.c
Benjamin Otte 9969b0ddad dataformat: Add formats with RGBX + alpha plane
Those are formats that are not YUV formats, so we need to add a is_yuv
flag.
2024-11-11 23:40:47 +01:00

923 lines
25 KiB
C

#include "config.h"
#include "gdkdataformatprivate.h"
#include "gdk/gdkdmabuffourccprivate.h"
typedef struct _GdkDataFormatDescription GdkDataFormatDescription;
struct _GdkDataFormatDescription
{
const char *name;
GdkMemoryFormat conversion;
gboolean is_yuv;
gsize n_planes;
gsize alignment;
gsize block_size[2];
guint32 dmabuf_fourcc;
#ifdef GDK_RENDERING_VULKAN
struct {
VkFormat format;
VkComponentMapping swizzle;
} vk;
#endif
void (* convert) (const GdkDataBuffer *self,
guchar *dst_data,
gsize dst_stride);
};
typedef struct _YUVCoefficients YUVCoefficients;
struct _YUVCoefficients
{
int v_to_r;
int u_to_g;
int v_to_g;
int u_to_b;
};
/* multiplied by 65536 */
static const YUVCoefficients itu601_narrow = { 104597, -25675, -53279, 132201 };
//static const YUVCoefficients itu601_wide = { 74711, -25864, -38050, 133176 };
static inline void
get_uv_values (const YUVCoefficients *coeffs,
guint8 u,
guint8 v,
int *out_r,
int *out_g,
int *out_b)
{
int u2 = (int) u - 127;
int v2 = (int) v - 127;
*out_r = coeffs->v_to_r * v2;
*out_g = coeffs->u_to_g * u2 + coeffs->v_to_g * v2;
*out_b = coeffs->u_to_b * u2;
}
static inline void
set_rgb_values (guint8 rgb[3],
guint8 y,
int r,
int g,
int b)
{
int y2 = y * 65536;
rgb[0] = CLAMP ((y2 + r) >> 16, 0, 255);
rgb[1] = CLAMP ((y2 + g) >> 16, 0, 255);
rgb[2] = CLAMP ((y2 + b) >> 16, 0, 255);
}
static inline void
gdk_convert_nv12_like (guchar *dst_data,
gsize dst_stride,
gsize width,
gsize height,
const guchar *y_data,
gsize y_stride,
const guchar *uv_data,
gsize uv_stride,
gboolean uv_swapped,
gsize x_subsample,
gsize y_subsample)
{
gsize x, y;
for (y = 0; y < height; y += y_subsample)
{
for (x = 0; x < width; x += x_subsample)
{
int r, g, b;
gsize xs, ys;
get_uv_values (&itu601_narrow,
uv_data[x / x_subsample * 2 + (uv_swapped ? 1 : 0)],
uv_data[x / x_subsample * 2 + (uv_swapped ? 0 : 1)],
&r, &g, &b);
for (ys = 0; ys < y_subsample && y + ys < height; ys++)
for (xs = 0; xs < x_subsample && x + xs < width; xs++)
set_rgb_values (&dst_data[3 * (x + xs) + dst_stride * ys], y_data[x + xs + y_stride * ys], r, g, b);
}
dst_data += y_subsample * dst_stride;
y_data += y_subsample * y_stride;
uv_data += uv_stride;
}
}
#define CONVERT_NV12_FUNC(name, uv_swapped, x_subsample, y_subsample) \
static void \
gdk_convert_ ## name (const GdkDataBuffer *self, \
guchar *dst_data, \
gsize dst_stride) \
{ \
gdk_convert_nv12_like (dst_data, \
dst_stride, \
self->width, \
self->height, \
self->planes[0].data, \
self->planes[0].stride, \
self->planes[1].data, \
self->planes[1].stride, \
uv_swapped, x_subsample, y_subsample); \
}
CONVERT_NV12_FUNC (nv12, FALSE, 2, 2)
CONVERT_NV12_FUNC (nv21, TRUE, 2, 2)
CONVERT_NV12_FUNC (nv16, FALSE, 2, 1)
CONVERT_NV12_FUNC (nv61, TRUE, 2, 1)
CONVERT_NV12_FUNC (nv24, FALSE, 1, 1)
CONVERT_NV12_FUNC (nv42, TRUE, 1, 1)
static inline void
get_uv_values16 (const YUVCoefficients *coeffs,
guint16 u,
guint16 v,
gint64 *out_r,
gint64 *out_g,
gint64 *out_b)
{
gint64 u2 = (gint64) u - 32767;
gint64 v2 = (gint64) v - 32767;
*out_r = coeffs->v_to_r * v2;
*out_g = coeffs->u_to_g * u2 + coeffs->v_to_g * v2;
*out_b = coeffs->u_to_b * u2;
}
static inline void
set_rgb_values16 (guint16 rgb[3],
guint16 y,
gint64 r,
gint64 g,
gint64 b)
{
gint64 y2 = (gint64) y * 65536;
rgb[0] = CLAMP ((y2 + r) >> 16, 0, 65535);
rgb[1] = CLAMP ((y2 + g) >> 16, 0, 65535);
rgb[2] = CLAMP ((y2 + b) >> 16, 0, 65535);
}
static inline void
gdk_convert_p010_like (guint16 *dst_data,
gsize dst_stride,
gsize width,
gsize height,
const guint16 *y_data,
gsize y_stride,
const guint16 *uv_data,
gsize uv_stride,
gsize bits_used,
gboolean uv_swapped,
gsize x_subsample,
gsize y_subsample)
{
gsize x, y;
guint16 mask;
mask = 0xFFFF << (16 - bits_used);
for (y = 0; y < height; y += y_subsample)
{
for (x = 0; x < width; x += x_subsample)
{
gint64 r, g, b;
gsize xs, ys;
guint16 u, v;
u = uv_data[x / x_subsample * 2 + (uv_swapped ? 1 : 0)];
u = (u & mask) | (u >> bits_used);
v = uv_data[x / x_subsample * 2 + (uv_swapped ? 0 : 1)];
v = (v & mask) | (v >> bits_used);
get_uv_values16 (&itu601_narrow, u, v, &r, &g, &b);
for (ys = 0; ys < y_subsample && y + ys < height; ys++)
for (xs = 0; xs < x_subsample && x + xs < width; xs++)
{
guint16 y_ = y_data[x + xs + y_stride * ys];
y_ = (y_ & mask) | (y_ >> bits_used);
set_rgb_values16 (&dst_data[3 * (x + xs) + dst_stride * ys], y_, r, g, b);
}
}
dst_data += y_subsample * dst_stride;
y_data += y_subsample * y_stride;
uv_data += uv_stride;
}
}
#define CONVERT_P010_FUNC(name, bits_used, uv_swapped, x_subsample, y_subsample) \
static void \
gdk_convert_ ## name (const GdkDataBuffer *self, \
guchar *dst_data, \
gsize dst_stride) \
{ \
gdk_convert_p010_like ((guint16 *) dst_data, \
dst_stride, \
self->width, \
self->height, \
(guint16 *) self->planes[0].data, \
self->planes[0].stride, \
(guint16 *) self->planes[1].data, \
self->planes[1].stride, \
bits_used, uv_swapped, x_subsample, y_subsample); \
}
CONVERT_P010_FUNC (p010, 10, FALSE, 2, 2)
CONVERT_P010_FUNC (p012, 12, FALSE, 2, 2)
CONVERT_P010_FUNC (p016, 16, FALSE, 2, 2)
static inline void
gdk_convert_3_plane (guchar *dst_data,
gsize dst_stride,
gsize width,
gsize height,
const guchar *y_data,
gsize y_stride,
const guchar *u_data,
gsize u_stride,
const guchar *v_data,
gsize v_stride,
gsize x_subsample,
gsize y_subsample)
{
gsize x, y;
for (y = 0; y < height; y += y_subsample)
{
for (x = 0; x < width; x += x_subsample)
{
int r, g, b;
gsize xs, ys;
get_uv_values (&itu601_narrow, u_data[x / x_subsample], v_data[x / x_subsample], &r, &g, &b);
for (ys = 0; ys < y_subsample && y + ys < height; ys++)
for (xs = 0; xs < x_subsample && x + xs < width; xs++)
set_rgb_values (&dst_data[3 * (x + xs) + dst_stride * ys], y_data[x + xs + y_stride * ys], r, g, b);
}
dst_data += y_subsample * dst_stride;
y_data += y_subsample * y_stride;
u_data += u_stride;
v_data += v_stride;
}
}
#define CONVERT_3_PLANE_FUNC(name, uv_swapped, x_subsample, y_subsample) \
static void \
gdk_convert_ ## name (const GdkDataBuffer *self, \
guchar *dst_data, \
gsize dst_stride) \
{ \
gdk_convert_3_plane (dst_data, \
dst_stride, \
self->width, \
self->height, \
self->planes[0].data, \
self->planes[0].stride, \
self->planes[uv_swapped ? 2 : 1].data, \
self->planes[uv_swapped ? 2 : 1].stride, \
self->planes[uv_swapped ? 1 : 2].data, \
self->planes[uv_swapped ? 1 : 2].stride, \
x_subsample, y_subsample); \
}
CONVERT_3_PLANE_FUNC (yuv410, FALSE, 4, 4)
CONVERT_3_PLANE_FUNC (yvu410, TRUE, 4, 4)
CONVERT_3_PLANE_FUNC (yuv411, FALSE, 4, 1)
CONVERT_3_PLANE_FUNC (yvu411, TRUE, 4, 1)
CONVERT_3_PLANE_FUNC (yuv420, FALSE, 2, 2)
CONVERT_3_PLANE_FUNC (yvu420, TRUE, 2, 2)
CONVERT_3_PLANE_FUNC (yuv422, FALSE, 2, 1)
CONVERT_3_PLANE_FUNC (yvu422, TRUE, 2, 1)
CONVERT_3_PLANE_FUNC (yuv444, FALSE, 1, 1)
CONVERT_3_PLANE_FUNC (yvu444, TRUE, 1, 1)
static inline void
gdk_convert_yuyv_like (guchar *dst_data,
gsize dst_stride,
gsize width,
gsize height,
const guchar *src_data,
gsize src_stride,
gsize y_index,
gsize u_index,
gsize v_index)
{
gsize x, y;
for (y = 0; y < height; y ++)
{
for (x = 0; x < width; x += 2)
{
int r, g, b;
get_uv_values (&itu601_narrow, src_data[2 * x + u_index], src_data[2 * x + v_index], &r, &g, &b);
set_rgb_values (&dst_data[3 * x], src_data[2 * x + y_index], r, g, b);
if (x + 1 < width)
set_rgb_values (&dst_data[3 * (x + 1)], src_data[2 * x + y_index + 2], r, g, b);
}
dst_data += dst_stride;
src_data += src_stride;
}
}
#define CONVERT_YUYV_FUNC(name, y_index, u_index, v_index) \
static void \
gdk_convert_ ## name (const GdkDataBuffer *self, \
guchar *dst_data, \
gsize dst_stride) \
{ \
gdk_convert_yuyv_like (dst_data, \
dst_stride, \
self->width, \
self->height, \
self->planes[0].data, \
self->planes[0].stride, \
y_index, u_index, v_index); \
}
CONVERT_YUYV_FUNC (yuyv, 0, 1, 3)
CONVERT_YUYV_FUNC (yvyu, 0, 3, 1)
CONVERT_YUYV_FUNC (uyvy, 1, 0, 2)
CONVERT_YUYV_FUNC (vyuy, 1, 2, 0)
static inline void
gdk_convert_3_1 (guchar *dst_data,
gsize dst_stride,
gsize width,
gsize height,
const guchar *xrgb_data,
gsize xrgb_stride,
const guchar *a_data,
gsize a_stride,
gsize a_index)
{
gsize x, y;
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
dst_data[4 * x + 0] = xrgb_data[4 * x + 0];
dst_data[4 * x + 1] = xrgb_data[4 * x + 1];
dst_data[4 * x + 2] = xrgb_data[4 * x + 2];
dst_data[4 * x + 3] = xrgb_data[4 * x + 3];
dst_data[4 * x + a_index] = a_data[x];
}
dst_data += dst_stride;
xrgb_data += xrgb_stride;
a_data += a_stride;
}
}
#define CONVERT_3_1_FUNC(name, a_index) \
static void \
gdk_convert_ ## name (const GdkDataBuffer *self, \
guchar *dst_data, \
gsize dst_stride) \
{ \
gdk_convert_3_1 (dst_data, \
dst_stride, \
self->width, \
self->height, \
self->planes[0].data, \
self->planes[0].stride, \
self->planes[1].data, \
self->planes[1].stride, \
a_index); \
}
CONVERT_3_1_FUNC (xrgb8_a8, 0)
CONVERT_3_1_FUNC (xbgr8_a8, 0)
CONVERT_3_1_FUNC (rgbx8_a8, 3)
CONVERT_3_1_FUNC (bgrx8_a8, 3)
#define VULKAN_SWIZZLE(_R, _G, _B, _A) { VK_COMPONENT_SWIZZLE_ ## _R, VK_COMPONENT_SWIZZLE_ ## _G, VK_COMPONENT_SWIZZLE_ ## _B, VK_COMPONENT_SWIZZLE_ ## _A }
#define VULKAN_DEFAULT_SWIZZLE VULKAN_SWIZZLE (R, G, B, A)
GdkDataFormatDescription data_formats[] = {
[GDK_DATA_NV12] = {
.name = "NV12",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 2,
.alignment = 4,
.block_size = { 2, 2 },
.dmabuf_fourcc = DRM_FORMAT_NV12,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_nv12,
},
[GDK_DATA_NV21] = {
.name = "NV21",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 2,
.alignment = 4,
.block_size = { 2, 2 },
.dmabuf_fourcc = DRM_FORMAT_NV21,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
.swizzle = VULKAN_SWIZZLE (B, G, R, A),
},
#endif
.convert = gdk_convert_nv21,
},
[GDK_DATA_NV16] = {
.name = "NV16",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 2,
.alignment = 4,
.block_size = { 2, 1 },
.dmabuf_fourcc = DRM_FORMAT_NV16,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8R8_2PLANE_422_UNORM,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_nv16,
},
[GDK_DATA_NV61] = {
.name = "NV61",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 2,
.alignment = 4,
.block_size = { 2, 1 },
.dmabuf_fourcc = DRM_FORMAT_NV61,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8R8_2PLANE_422_UNORM,
.swizzle = VULKAN_SWIZZLE (B, G, R, A),
},
#endif
.convert = gdk_convert_nv61,
},
[GDK_DATA_NV24] = {
.name = "NV24",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 2,
.alignment = 4,
.block_size = { 1, 1 },
.dmabuf_fourcc = DRM_FORMAT_NV24,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8R8_2PLANE_444_UNORM,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_nv24,
},
[GDK_DATA_NV42] = {
.name = "NV42",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 2,
.alignment = 4,
.block_size = { 1, 1 },
.dmabuf_fourcc = DRM_FORMAT_NV42,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8R8_2PLANE_444_UNORM,
.swizzle = VULKAN_SWIZZLE (B, G, R, A),
},
#endif
.convert = gdk_convert_nv42,
},
[GDK_DATA_P010] = {
.name = "P010",
.conversion = GDK_MEMORY_R16G16B16,
.is_yuv = TRUE,
.n_planes = 2,
.alignment = 4,
.block_size = { 2, 2 },
.dmabuf_fourcc = DRM_FORMAT_P010,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_p010,
},
[GDK_DATA_P012] = {
.name = "P012",
.conversion = GDK_MEMORY_R16G16B16,
.is_yuv = TRUE,
.n_planes = 2,
.alignment = 4,
.block_size = { 2, 2 },
.dmabuf_fourcc = DRM_FORMAT_P012,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_p012,
},
[GDK_DATA_P016] = {
.name = "P016",
.conversion = GDK_MEMORY_R16G16B16,
.is_yuv = TRUE,
.n_planes = 2,
.alignment = 4,
.block_size = { 2, 2 },
.dmabuf_fourcc = DRM_FORMAT_P016,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G16_B16R16_2PLANE_420_UNORM,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_p016,
},
[GDK_DATA_YUV410] = {
.name = "YUV410",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 3,
.alignment = 4,
.block_size = { 4, 4 },
.dmabuf_fourcc = DRM_FORMAT_YUV410,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_UNDEFINED,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_yuv410,
},
[GDK_DATA_YVU410] = {
.name = "YVU410",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 3,
.alignment = 4,
.block_size = { 4, 4 },
.dmabuf_fourcc = DRM_FORMAT_YVU410,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_UNDEFINED,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_yvu410,
},
[GDK_DATA_YUV411] = {
.name = "YUV411",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 3,
.alignment = 4,
.block_size = { 4, 1 },
.dmabuf_fourcc = DRM_FORMAT_YUV411,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_UNDEFINED,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_yuv411,
},
[GDK_DATA_YVU411] = {
.name = "YVU411",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 3,
.alignment = 4,
.block_size = { 4, 1 },
.dmabuf_fourcc = DRM_FORMAT_YVU411,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_UNDEFINED,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_yvu411,
},
[GDK_DATA_YUV420] = {
.name = "YUV420",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 3,
.alignment = 4,
.block_size = { 2, 2 },
.dmabuf_fourcc = DRM_FORMAT_YUV420,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_yuv420,
},
[GDK_DATA_YVU420] = {
.name = "YVU420",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 3,
.alignment = 4,
.block_size = { 2, 2 },
.dmabuf_fourcc = DRM_FORMAT_YVU420,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM,
.swizzle = VULKAN_SWIZZLE (B, G, R, A),
},
#endif
.convert = gdk_convert_yvu420,
},
[GDK_DATA_YUV422] = {
.name = "YUV422",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 3,
.alignment = 4,
.block_size = { 2, 1 },
.dmabuf_fourcc = DRM_FORMAT_YUV422,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_yuv422,
},
[GDK_DATA_YVU422] = {
.name = "YVU422",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 3,
.alignment = 4,
.block_size = { 2, 1 },
.dmabuf_fourcc = DRM_FORMAT_YVU422,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM,
.swizzle = VULKAN_SWIZZLE (B, G, R, A),
},
#endif
.convert = gdk_convert_yvu422,
},
[GDK_DATA_YUV444] = {
.name = "YUV444",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 3,
.alignment = 4,
.block_size = { 1, 1 },
.dmabuf_fourcc = DRM_FORMAT_YUV444,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_yuv444,
},
[GDK_DATA_YVU444] = {
.name = "YVU444",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 3,
.alignment = 4,
.block_size = { 1, 1 },
.dmabuf_fourcc = DRM_FORMAT_YVU444,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM,
.swizzle = VULKAN_SWIZZLE (B, G, R, A),
},
#endif
.convert = gdk_convert_yvu444,
},
[GDK_DATA_YUYV] = {
.name = "YUYV",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 1,
.alignment = 4,
.block_size = { 2, 1 },
.dmabuf_fourcc = DRM_FORMAT_YUYV,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8B8G8R8_422_UNORM,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_yuyv,
},
[GDK_DATA_YVYU] = {
.name = "YVYU",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 1,
.alignment = 4,
.block_size = { 2, 1 },
.dmabuf_fourcc = DRM_FORMAT_YVYU,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_G8B8G8R8_422_UNORM,
.swizzle = VULKAN_SWIZZLE (B, G, R, A),
},
#endif
.convert = gdk_convert_yvyu,
},
[GDK_DATA_UYVY] = {
.name = "UYVY",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 1,
.alignment = 4,
.block_size = { 2, 1 },
.dmabuf_fourcc = DRM_FORMAT_UYVY,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_B8G8R8G8_422_UNORM,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_uyvy,
},
[GDK_DATA_VYUY] = {
.name = "VYUY",
.conversion = GDK_MEMORY_R8G8B8,
.is_yuv = TRUE,
.n_planes = 1,
.alignment = 4,
.block_size = { 2, 1 },
.dmabuf_fourcc = DRM_FORMAT_VYUY,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_B8G8R8G8_422_UNORM,
.swizzle = VULKAN_SWIZZLE (B, G, R, A),
},
#endif
.convert = gdk_convert_vyuy,
},
[GDK_DATA_RGBX8_A8] = {
.name = "GDK_DATA_RGBX8_A8",
.conversion = GDK_MEMORY_R8G8B8A8,
.is_yuv = FALSE,
.n_planes = 1,
.alignment = 4,
.block_size = { 1, 1 },
.dmabuf_fourcc = DRM_FORMAT_RGBX8888_A8,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_UNDEFINED,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_rgbx8_a8,
},
[GDK_DATA_BGRX8_A8] = {
.name = "GDK_DATA_BGRX8_A8",
.conversion = GDK_MEMORY_B8G8R8A8,
.is_yuv = FALSE,
.n_planes = 1,
.alignment = 4,
.block_size = { 1, 1 },
.dmabuf_fourcc = DRM_FORMAT_BGRX8888_A8,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_UNDEFINED,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_bgrx8_a8,
},
[GDK_DATA_XRGB8_A8] = {
.name = "GDK_DATA_XRGB8_A8",
.conversion = GDK_MEMORY_A8R8G8B8,
.is_yuv = FALSE,
.n_planes = 1,
.alignment = 4,
.block_size = { 1, 1 },
.dmabuf_fourcc = DRM_FORMAT_XRGB8888_A8,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_UNDEFINED,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_xrgb8_a8,
},
[GDK_DATA_XBGR8_A8] = {
.name = "GDK_DATA_XBGR8_A8",
.conversion = GDK_MEMORY_A8B8G8R8,
.is_yuv = FALSE,
.n_planes = 1,
.alignment = 4,
.block_size = { 1, 1 },
.dmabuf_fourcc = DRM_FORMAT_XBGR8888_A8,
#ifdef GDK_RENDERING_VULKAN
.vk = {
.format = VK_FORMAT_UNDEFINED,
.swizzle = VULKAN_DEFAULT_SWIZZLE,
},
#endif
.convert = gdk_convert_xbgr8_a8,
},
};
const char *
gdk_data_format_get_name (GdkDataFormat format)
{
return data_formats[format].name;
}
GdkMemoryFormat
gdk_data_format_get_conversion (GdkDataFormat format)
{
return data_formats[format].conversion;
}
gsize
gdk_data_format_n_planes (GdkDataFormat format)
{
return data_formats[format].n_planes;
}
gsize
gdk_data_format_alignment (GdkDataFormat format)
{
return data_formats[format].alignment;
}
gsize
gdk_data_format_block_width (GdkDataFormat format)
{
return data_formats[format].block_size[0];
}
gsize
gdk_data_format_block_height (GdkDataFormat format)
{
return data_formats[format].block_size[1];
}
gboolean
gdk_data_format_is_yuv (GdkDataFormat format)
{
return data_formats[format].is_yuv;
}
guint32
gdk_data_format_get_dmabuf_fourcc (GdkDataFormat format)
{
return data_formats[format].dmabuf_fourcc;
}
gboolean
gdk_data_format_find_by_dmabuf_fourcc (guint32 fourcc,
GdkDataFormat *out_format)
{
gsize i;
for (i = 0; i < G_N_ELEMENTS (data_formats); i++)
{
if (data_formats[i].dmabuf_fourcc == fourcc)
{
*out_format = i;
return TRUE;
}
}
*out_format = GDK_DATA_N_FORMATS;
return FALSE;
}
#ifdef GDK_RENDERING_VULKAN
VkFormat
gdk_data_format_vk_format (GdkDataFormat format,
VkComponentMapping *out_swizzle)
{
if (out_swizzle)
*out_swizzle = data_formats[format].vk.swizzle;
return data_formats[format].vk.format;
}
#endif
void
gdk_data_convert (const GdkDataBuffer *self,
guchar *dest_data,
gsize dest_stride)
{
data_formats[self->format].convert (self,
dest_data,
dest_stride);
}