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kmsgrab: Support multi-plane formats

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This commit is contained in:
David Rosca
2021-08-27 12:44:49 +02:00
parent 3840b3c561
commit 08f056bb3f
4 changed files with 200 additions and 68 deletions
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109
sunshine/platform/linux/graphics.cpp
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@@ -9,11 +9,13 @@
// They aren't likely to change any time soon.
#define fourcc_code(a, b, c, d) ((std::uint32_t)(a) | ((std::uint32_t)(b) << 8) | \
((std::uint32_t)(c) << 16) | ((std::uint32_t)(d) << 24))
#define fourcc_mod_code(vendor, val) ((((uint64_t)vendor) << 56) | ((val) & 0x00ffffffffffffffULL))
#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
#define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
#define DRM_FORMAT_ARGB8888 fourcc_code('A', 'R', '2', '4') /* [31:0] A:R:G:B 8:8:8:8 little endian */
#define DRM_FORMAT_XRGB8888 fourcc_code('X', 'R', '2', '4') /* [31:0] x:R:G:B 8:8:8:8 little endian */
#define DRM_FORMAT_XBGR8888 fourcc_code('X', 'B', '2', '4') /* [31:0] x:B:G:R 8:8:8:8 little endian */
#define DRM_FORMAT_MOD_INVALID fourcc_mod_code(0, ((1ULL << 56) - 1))
#define SUNSHINE_SHADERS_DIR SUNSHINE_ASSETS_DIR "/shaders/opengl"
@@ -283,6 +285,23 @@ constexpr auto EGL_LINUX_DRM_FOURCC_EXT = 0x3271;
constexpr auto EGL_DMA_BUF_PLANE0_FD_EXT = 0x3272;
constexpr auto EGL_DMA_BUF_PLANE0_OFFSET_EXT = 0x3273;
constexpr auto EGL_DMA_BUF_PLANE0_PITCH_EXT = 0x3274;
constexpr auto EGL_DMA_BUF_PLANE1_FD_EXT = 0x3275;
constexpr auto EGL_DMA_BUF_PLANE1_OFFSET_EXT = 0x3276;
constexpr auto EGL_DMA_BUF_PLANE1_PITCH_EXT = 0x3277;
constexpr auto EGL_DMA_BUF_PLANE2_FD_EXT = 0x3278;
constexpr auto EGL_DMA_BUF_PLANE2_OFFSET_EXT = 0x3279;
constexpr auto EGL_DMA_BUF_PLANE2_PITCH_EXT = 0x327A;
constexpr auto EGL_DMA_BUF_PLANE3_FD_EXT = 0x3440;
constexpr auto EGL_DMA_BUF_PLANE3_OFFSET_EXT = 0x3441;
constexpr auto EGL_DMA_BUF_PLANE3_PITCH_EXT = 0x3442;
constexpr auto EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT = 0x3443;
constexpr auto EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT = 0x3444;
constexpr auto EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT = 0x3445;
constexpr auto EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT = 0x3446;
constexpr auto EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT = 0x3447;
constexpr auto EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT = 0x3448;
constexpr auto EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT = 0x3449;
constexpr auto EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT = 0x344A;
bool fail() {
return eglGetError() != EGL_SUCCESS;
@@ -377,19 +396,75 @@ std::optional<ctx_t> make_ctx(display_t::pointer display) {
return ctx;
}
std::optional<rgb_t> import_source(display_t::pointer egl_display, const surface_descriptor_t &xrgb) {
EGLAttrib img_attr_planes[13] {
EGL_LINUX_DRM_FOURCC_EXT, DRM_FORMAT_XRGB8888,
EGL_WIDTH, xrgb.width,
EGL_HEIGHT, xrgb.height,
EGL_DMA_BUF_PLANE0_FD_EXT, xrgb.fd,
EGL_DMA_BUF_PLANE0_OFFSET_EXT, xrgb.offset,
EGL_DMA_BUF_PLANE0_PITCH_EXT, xrgb.pitch,
EGL_NONE
};
EGLAttrib attribs[47];
int atti = 0;
attribs[atti++] = EGL_WIDTH;
attribs[atti++] = xrgb.width;
attribs[atti++] = EGL_HEIGHT;
attribs[atti++] = xrgb.height;
attribs[atti++] = EGL_LINUX_DRM_FOURCC_EXT;
attribs[atti++] = xrgb.fourcc;
if(xrgb.fds[0] >= 0) {
attribs[atti++] = EGL_DMA_BUF_PLANE0_FD_EXT;
attribs[atti++] = xrgb.fds[0];
attribs[atti++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
attribs[atti++] = xrgb.offsets[0];
attribs[atti++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
attribs[atti++] = xrgb.pitches[0];
if(xrgb.modifier != DRM_FORMAT_MOD_INVALID) {
attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
attribs[atti++] = xrgb.modifier & 0xFFFFFFFF;
attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
attribs[atti++] = xrgb.modifier >> 32;
}
}
if(xrgb.fds[1] >= 0) {
attribs[atti++] = EGL_DMA_BUF_PLANE1_FD_EXT;
attribs[atti++] = xrgb.fds[1];
attribs[atti++] = EGL_DMA_BUF_PLANE1_OFFSET_EXT;
attribs[atti++] = xrgb.offsets[1];
attribs[atti++] = EGL_DMA_BUF_PLANE1_PITCH_EXT;
attribs[atti++] = xrgb.pitches[1];
if(xrgb.modifier != DRM_FORMAT_MOD_INVALID) {
attribs[atti++] = EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT;
attribs[atti++] = xrgb.modifier & 0xFFFFFFFF;
attribs[atti++] = EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT;
attribs[atti++] = xrgb.modifier >> 32;
}
}
if(xrgb.fds[2] >= 0) {
attribs[atti++] = EGL_DMA_BUF_PLANE2_FD_EXT;
attribs[atti++] = xrgb.fds[2];
attribs[atti++] = EGL_DMA_BUF_PLANE2_OFFSET_EXT;
attribs[atti++] = xrgb.offsets[2];
attribs[atti++] = EGL_DMA_BUF_PLANE2_PITCH_EXT;
attribs[atti++] = xrgb.pitches[2];
if(xrgb.modifier != DRM_FORMAT_MOD_INVALID) {
attribs[atti++] = EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT;
attribs[atti++] = xrgb.modifier & 0xFFFFFFFF;
attribs[atti++] = EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT;
attribs[atti++] = xrgb.modifier >> 32;
}
}
if(xrgb.fds[3] >= 0) {
attribs[atti++] = EGL_DMA_BUF_PLANE3_FD_EXT;
attribs[atti++] = xrgb.fds[3];
attribs[atti++] = EGL_DMA_BUF_PLANE3_OFFSET_EXT;
attribs[atti++] = xrgb.offsets[3];
attribs[atti++] = EGL_DMA_BUF_PLANE3_PITCH_EXT;
attribs[atti++] = xrgb.pitches[3];
if(xrgb.modifier != DRM_FORMAT_MOD_INVALID) {
attribs[atti++] = EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT;
attribs[atti++] = xrgb.modifier & 0xFFFFFFFF;
attribs[atti++] = EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT;
attribs[atti++] = xrgb.modifier >> 32;
}
}
attribs[atti++] = EGL_NONE;
rgb_t rgb {
egl_display,
eglCreateImage(egl_display, EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, nullptr, img_attr_planes),
eglCreateImage(egl_display, EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, nullptr, attribs),
gl::tex_t::make(1)
};
@@ -414,17 +489,17 @@ std::optional<nv12_t> import_target(display_t::pointer egl_display, std::array<f
{ EGL_LINUX_DRM_FOURCC_EXT, DRM_FORMAT_R8,
EGL_WIDTH, r8.width,
EGL_HEIGHT, r8.height,
EGL_DMA_BUF_PLANE0_FD_EXT, r8.fd,
EGL_DMA_BUF_PLANE0_OFFSET_EXT, r8.offset,
EGL_DMA_BUF_PLANE0_PITCH_EXT, r8.pitch,
EGL_DMA_BUF_PLANE0_FD_EXT, r8.fds[0],
EGL_DMA_BUF_PLANE0_OFFSET_EXT, r8.offsets[0],
EGL_DMA_BUF_PLANE0_PITCH_EXT, r8.pitches[0],
EGL_NONE },
{ EGL_LINUX_DRM_FOURCC_EXT, DRM_FORMAT_GR88,
EGL_WIDTH, gr88.width,
EGL_HEIGHT, gr88.height,
EGL_DMA_BUF_PLANE0_FD_EXT, r8.fd,
EGL_DMA_BUF_PLANE0_OFFSET_EXT, gr88.offset,
EGL_DMA_BUF_PLANE0_PITCH_EXT, gr88.pitch,
EGL_DMA_BUF_PLANE0_FD_EXT, r8.fds[0],
EGL_DMA_BUF_PLANE0_OFFSET_EXT, gr88.offsets[0],
EGL_DMA_BUF_PLANE0_PITCH_EXT, gr88.pitches[0],
EGL_NONE },
};
@@ -704,4 +779,4 @@ int sws_t::convert(nv12_t &nv12) {
void free_frame(AVFrame *frame) {
av_frame_free(&frame);
}
}