Merge pull request #3338 from GeorgesStavracas/feaneron/egl-dmabuf

DMA-BUF importing for EGL renderers

deps/glad/include/glad/glad_egl.h

@@ -7,21 +7,24 @@
     APIs: egl=1.5
     Profile: -
     Extensions:
+        EGL_EXT_image_dma_buf_import,
+        EGL_EXT_image_dma_buf_import_modifiers,
         EGL_EXT_platform_wayland,
         EGL_EXT_platform_x11,
         EGL_KHR_create_context,
         EGL_KHR_create_context_no_error,
         EGL_KHR_platform_wayland,
-        EGL_KHR_platform_x11
+        EGL_KHR_platform_x11,
+        EGL_MESA_image_dma_buf_export
     Loader: True
     Local files: False
     Omit khrplatform: False
     Reproducible: False
 
     Commandline:
-        --api="egl=1.5" --generator="c" --spec="egl" --extensions="EGL_EXT_platform_wayland,EGL_EXT_platform_x11,EGL_KHR_create_context,EGL_KHR_create_context_no_error,EGL_KHR_platform_wayland,EGL_KHR_platform_x11"
+        --api="egl=1.5" --generator="c" --spec="egl" --extensions="EGL_EXT_image_dma_buf_import,EGL_EXT_image_dma_buf_import_modifiers,EGL_EXT_platform_wayland,EGL_EXT_platform_x11,EGL_KHR_create_context,EGL_KHR_create_context_no_error,EGL_KHR_platform_wayland,EGL_KHR_platform_x11"
     Online:
-        https://glad.dav1d.de/#language=c&specification=egl&loader=on&api=egl%3D1.5&extensions=EGL_EXT_platform_wayland&extensions=EGL_EXT_platform_x11&extensions=EGL_KHR_create_context&extensions=EGL_KHR_create_context_no_error&extensions=EGL_KHR_platform_wayland&extensions=EGL_KHR_platform_x11
+        https://glad.dav1d.de/#language=c&specification=egl&loader=on&api=egl%3D1.5&extensions=EGL_EXT_image_dma_buf_import&extensions=EGL_EXT_image_dma_buf_import_modifiers&extensions=EGL_EXT_platform_wayland&extensions=EGL_EXT_platform_x11&extensions=EGL_KHR_create_context&extensions=EGL_KHR_create_context_no_error&extensions=EGL_KHR_platform_wayland&extensions=EGL_KHR_platform_x11
 */
 
 
@@ -339,6 +342,39 @@ EGLDisplay eglGetPlatformDisplay(EGLenum platform, void *native_display, const E
 EGLSurface eglCreatePlatformWindowSurface(EGLDisplay dpy, EGLConfig config, void *native_window, const EGLAttrib *attrib_list);
 EGLSurface eglCreatePlatformPixmapSurface(EGLDisplay dpy, EGLConfig config, void *native_pixmap, const EGLAttrib *attrib_list);
 EGLBoolean eglWaitSync(EGLDisplay dpy, EGLSync sync, EGLint flags);
+#define EGL_LINUX_DMA_BUF_EXT 0x3270
+#define EGL_LINUX_DRM_FOURCC_EXT 0x3271
+#define EGL_DMA_BUF_PLANE0_FD_EXT 0x3272
+#define EGL_DMA_BUF_PLANE0_OFFSET_EXT 0x3273
+#define EGL_DMA_BUF_PLANE0_PITCH_EXT 0x3274
+#define EGL_DMA_BUF_PLANE1_FD_EXT 0x3275
+#define EGL_DMA_BUF_PLANE1_OFFSET_EXT 0x3276
+#define EGL_DMA_BUF_PLANE1_PITCH_EXT 0x3277
+#define EGL_DMA_BUF_PLANE2_FD_EXT 0x3278
+#define EGL_DMA_BUF_PLANE2_OFFSET_EXT 0x3279
+#define EGL_DMA_BUF_PLANE2_PITCH_EXT 0x327A
+#define EGL_YUV_COLOR_SPACE_HINT_EXT 0x327B
+#define EGL_SAMPLE_RANGE_HINT_EXT 0x327C
+#define EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT 0x327D
+#define EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT 0x327E
+#define EGL_ITU_REC601_EXT 0x327F
+#define EGL_ITU_REC709_EXT 0x3280
+#define EGL_ITU_REC2020_EXT 0x3281
+#define EGL_YUV_FULL_RANGE_EXT 0x3282
+#define EGL_YUV_NARROW_RANGE_EXT 0x3283
+#define EGL_YUV_CHROMA_SITING_0_EXT 0x3284
+#define EGL_YUV_CHROMA_SITING_0_5_EXT 0x3285
+#define EGL_DMA_BUF_PLANE3_FD_EXT 0x3440
+#define EGL_DMA_BUF_PLANE3_OFFSET_EXT 0x3441
+#define EGL_DMA_BUF_PLANE3_PITCH_EXT 0x3442
+#define EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT 0x3443
+#define EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT 0x3444
+#define EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT 0x3445
+#define EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT 0x3446
+#define EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT 0x3447
+#define EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT 0x3448
+#define EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT 0x3449
+#define EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT 0x344A
 #define EGL_PLATFORM_WAYLAND_EXT 0x31D8
 #define EGL_PLATFORM_X11_EXT 0x31D5
 #define EGL_PLATFORM_X11_SCREEN_EXT 0x31D6
@@ -359,6 +395,18 @@ EGLBoolean eglWaitSync(EGLDisplay dpy, EGLSync sync, EGLint flags);
 #define EGL_PLATFORM_WAYLAND_KHR 0x31D8
 #define EGL_PLATFORM_X11_KHR 0x31D5
 #define EGL_PLATFORM_X11_SCREEN_KHR 0x31D6
+#ifndef EGL_EXT_image_dma_buf_import
+#define EGL_EXT_image_dma_buf_import 1
+#endif
+#ifndef EGL_EXT_image_dma_buf_import_modifiers
+#define EGL_EXT_image_dma_buf_import_modifiers 1
+typedef EGLBoolean (APIENTRYP PFNEGLQUERYDMABUFFORMATSEXTPROC)(EGLDisplay dpy, EGLint max_formats, EGLint *formats, EGLint *num_formats);
+GLAPI PFNEGLQUERYDMABUFFORMATSEXTPROC glad_eglQueryDmaBufFormatsEXT;
+#define eglQueryDmaBufFormatsEXT glad_eglQueryDmaBufFormatsEXT
+typedef EGLBoolean (APIENTRYP PFNEGLQUERYDMABUFMODIFIERSEXTPROC)(EGLDisplay dpy, EGLint format, EGLint max_modifiers, EGLuint64KHR *modifiers, EGLBoolean *external_only, EGLint *num_modifiers);
+GLAPI PFNEGLQUERYDMABUFMODIFIERSEXTPROC glad_eglQueryDmaBufModifiersEXT;
+#define eglQueryDmaBufModifiersEXT glad_eglQueryDmaBufModifiersEXT
+#endif
 #ifndef EGL_EXT_platform_wayland
 #define EGL_EXT_platform_wayland 1
 #endif
@@ -377,6 +425,15 @@ EGLBoolean eglWaitSync(EGLDisplay dpy, EGLSync sync, EGLint flags);
 #ifndef EGL_KHR_platform_x11
 #define EGL_KHR_platform_x11 1
 #endif
+#ifndef EGL_MESA_image_dma_buf_export
+#define EGL_MESA_image_dma_buf_export 1
+typedef EGLBoolean (APIENTRYP PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC)(EGLDisplay dpy, EGLImageKHR image, int *fourcc, int *num_planes, EGLuint64KHR *modifiers);
+GLAPI PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC glad_eglExportDMABUFImageQueryMESA;
+#define eglExportDMABUFImageQueryMESA glad_eglExportDMABUFImageQueryMESA
+typedef EGLBoolean (APIENTRYP PFNEGLEXPORTDMABUFIMAGEMESAPROC)(EGLDisplay dpy, EGLImageKHR image, int *fds, EGLint *strides, EGLint *offsets);
+GLAPI PFNEGLEXPORTDMABUFIMAGEMESAPROC glad_eglExportDMABUFImageMESA;
+#define eglExportDMABUFImageMESA glad_eglExportDMABUFImageMESA
+#endif
 
 #ifdef __cplusplus
 }

deps/glad/src/glad_egl.c

@@ -1,25 +1,28 @@
 /*
 
-    EGL loader generated by glad 0.1.33 on Mon Mar  9 17:01:26 2020.
+    EGL loader generated by glad 0.1.33 on Fri Mar 13 03:53:53 2020.
 
     Language/Generator: C/C++
     Specification: egl
     APIs: egl=1.5
     Profile: -
     Extensions:
+        EGL_EXT_image_dma_buf_import,
+        EGL_EXT_image_dma_buf_import_modifiers,
         EGL_EXT_platform_wayland,
         EGL_EXT_platform_x11,
         EGL_KHR_platform_wayland,
-        EGL_KHR_platform_x11
+        EGL_KHR_platform_x11,
+        EGL_MESA_image_dma_buf_export
     Loader: True
     Local files: False
     Omit khrplatform: False
     Reproducible: False
 
     Commandline:
-        --api="egl=1.5" --generator="c" --spec="egl" --extensions="EGL_EXT_platform_wayland,EGL_EXT_platform_x11,EGL_KHR_platform_wayland,EGL_KHR_platform_x11"
+        --api="egl=1.5" --generator="c" --spec="egl" --extensions="EGL_EXT_image_dma_buf_import,EGL_EXT_image_dma_buf_import_modifiers,EGL_EXT_platform_wayland,EGL_EXT_platform_x11,EGL_KHR_platform_wayland,EGL_KHR_platform_x11,EGL_MESA_image_dma_buf_export"
     Online:
-        https://glad.dav1d.de/#language=c&specification=egl&loader=on&api=egl%3D1.5&extensions=EGL_EXT_platform_wayland&extensions=EGL_EXT_platform_x11&extensions=EGL_KHR_platform_wayland&extensions=EGL_KHR_platform_x11
+        https://glad.dav1d.de/#language=c&specification=egl&loader=on&api=egl%3D1.5&extensions=EGL_EXT_image_dma_buf_import&extensions=EGL_EXT_image_dma_buf_import_modifiers&extensions=EGL_EXT_platform_wayland&extensions=EGL_EXT_platform_x11&extensions=EGL_KHR_platform_wayland&extensions=EGL_KHR_platform_x11&extensions=EGL_MESA_image_dma_buf_export
 */
 
 #include <stdio.h>
@@ -31,6 +34,18 @@ int gladLoadEGL(void) {
     return gladLoadEGLLoader((GLADloadproc)eglGetProcAddress);
 }
 
+PFNEGLQUERYDMABUFFORMATSEXTPROC glad_eglQueryDmaBufFormatsEXT = NULL;
+PFNEGLQUERYDMABUFMODIFIERSEXTPROC glad_eglQueryDmaBufModifiersEXT = NULL;
+PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC glad_eglExportDMABUFImageQueryMESA = NULL;
+PFNEGLEXPORTDMABUFIMAGEMESAPROC glad_eglExportDMABUFImageMESA = NULL;
+static void load_EGL_EXT_image_dma_buf_import_modifiers(GLADloadproc load) {
+	glad_eglQueryDmaBufFormatsEXT = (PFNEGLQUERYDMABUFFORMATSEXTPROC)load("eglQueryDmaBufFormatsEXT");
+	glad_eglQueryDmaBufModifiersEXT = (PFNEGLQUERYDMABUFMODIFIERSEXTPROC)load("eglQueryDmaBufModifiersEXT");
+}
+static void load_EGL_MESA_image_dma_buf_export(GLADloadproc load) {
+	glad_eglExportDMABUFImageQueryMESA = (PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC)load("eglExportDMABUFImageQueryMESA");
+	glad_eglExportDMABUFImageMESA = (PFNEGLEXPORTDMABUFIMAGEMESAPROC)load("eglExportDMABUFImageMESA");
+}
 static int find_extensionsEGL(void) {
 	return 1;
 }
@@ -43,6 +58,8 @@ int gladLoadEGLLoader(GLADloadproc load) {
 	find_coreEGL();
 
 	if (!find_extensionsEGL()) return 0;
+	load_EGL_EXT_image_dma_buf_import_modifiers(load);
+	load_EGL_MESA_image_dma_buf_export(load);
 	return 1;
 }
 

libobs-opengl/CMakeLists.txt

@@ -45,6 +45,7 @@ else()
 		${X11_XCB_LIBRARIES})
 
 	set(libobs-opengl_PLATFORM_SOURCES
+		gl-egl-common.c
 		gl-nix.c
 		gl-x11-egl.c
 		gl-x11-glx.c)

libobs-opengl/gl-egl-common.c

@@ -0,0 +1,340 @@
+/******************************************************************************
+    Copyright (C) 2020 by Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+******************************************************************************/
+
+#include "gl-egl-common.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <glad/glad_egl.h>
+
+#if defined(__linux__)
+
+#include <linux/types.h>
+#include <asm/ioctl.h>
+typedef unsigned int drm_handle_t;
+
+#else
+
+#include <stdint.h>
+#include <sys/ioccom.h>
+#include <sys/types.h>
+typedef int8_t __s8;
+typedef uint8_t __u8;
+typedef int16_t __s16;
+typedef uint16_t __u16;
+typedef int32_t __s32;
+typedef uint32_t __u32;
+typedef int64_t __s64;
+typedef uint64_t __u64;
+typedef size_t __kernel_size_t;
+typedef unsigned long drm_handle_t;
+
+#endif
+
+typedef void(APIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)(
+	GLenum target, GLeglImageOES image);
+static PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
+
+/* copied from drm_fourcc.h */
+
+#define fourcc_code(a, b, c, d)                                \
+	((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | \
+	 ((__u32)(d) << 24))
+#define DRM_FORMAT_INVALID 0
+#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
+#define DRM_FORMAT_R16 \
+	fourcc_code('R', '1', '6', ' ') /* [15:0] R little endian */
+#define DRM_FORMAT_RG88 \
+	fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
+#define DRM_FORMAT_ABGR8888        \
+	fourcc_code('A', 'B', '2', \
+		    '4') /* [31:0] A:B:G:R 8:8:8:8 little endian */
+#define DRM_FORMAT_ABGR2101010     \
+	fourcc_code('A', 'B', '3', \
+		    '0') /* [31:0] A:B:G:R 2:10:10:10 little endian */
+#define DRM_FORMAT_ABGR16161616F   \
+	fourcc_code('A', 'B', '4', \
+		    'H') /* [63:0] A:B:G:R 16:16:16:16 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 */
+
+static bool find_gl_extension(const char *extension)
+{
+	GLint n, i;
+
+	glGetIntegerv(GL_NUM_EXTENSIONS, &n);
+	for (i = 0; i < n; i++) {
+		const char *e = (char *)glGetStringi(GL_EXTENSIONS, i);
+		if (extension && strcmp(e, extension) == 0)
+			return true;
+	}
+	return false;
+}
+
+static bool init_egl_image_target_texture_2d_ext(void)
+{
+	static bool initialized = false;
+
+	if (!initialized) {
+		initialized = true;
+
+		if (!find_gl_extension("GL_OES_EGL_image")) {
+			blog(LOG_ERROR, "No GL_OES_EGL_image");
+			return false;
+		}
+
+		glEGLImageTargetTexture2DOES =
+			(PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)eglGetProcAddress(
+				"glEGLImageTargetTexture2DOES");
+	}
+
+	if (!glEGLImageTargetTexture2DOES)
+		return false;
+
+	return true;
+}
+
+static inline enum gs_color_format gs_format_to_drm_format(uint32_t drm_format)
+{
+	switch (drm_format) {
+	case GS_R8:
+		return DRM_FORMAT_R8;
+	case GS_RGBA:
+		return DRM_FORMAT_ABGR8888;
+	case GS_BGRX:
+		return DRM_FORMAT_XRGB8888;
+	case GS_BGRA:
+		return DRM_FORMAT_ARGB8888;
+	case GS_R10G10B10A2:
+		return DRM_FORMAT_ABGR2101010;
+	case GS_R16:
+		return DRM_FORMAT_R16;
+	case GS_RGBA16F:
+		return DRM_FORMAT_ABGR16161616F;
+	case GS_R8G8:
+		return DRM_FORMAT_RG88;
+	case GS_A8:
+	case GS_R16F:
+	case GS_RGBA16:
+	case GS_RG16F:
+	case GS_R32F:
+	case GS_RG32F:
+	case GS_RGBA32F:
+	case GS_DXT1:
+	case GS_DXT3:
+	case GS_DXT5:
+	case GS_UNKNOWN:
+		return DRM_FORMAT_INVALID;
+	}
+
+	return DRM_FORMAT_INVALID;
+}
+
+static EGLImageKHR
+create_dmabuf_egl_image(EGLDisplay egl_display, unsigned int width,
+			unsigned int height, uint32_t drm_format,
+			uint32_t n_planes, const int *fds,
+			const uint32_t *strides, const uint32_t *offsets,
+			const uint64_t *modifiers)
+{
+	EGLAttrib attribs[47];
+	int atti = 0;
+
+	/* This requires the Mesa commit in
+	 * Mesa 10.3 (08264e5dad4df448e7718e782ad9077902089a07) or
+	 * Mesa 10.2.7 (55d28925e6109a4afd61f109e845a8a51bd17652).
+	 * Otherwise Mesa closes the fd behind our back and re-importing
+	 * will fail.
+	 * https://bugs.freedesktop.org/show_bug.cgi?id=76188
+	 * */
+
+	attribs[atti++] = EGL_WIDTH;
+	attribs[atti++] = width;
+	attribs[atti++] = EGL_HEIGHT;
+	attribs[atti++] = height;
+	attribs[atti++] = EGL_LINUX_DRM_FOURCC_EXT;
+	attribs[atti++] = drm_format;
+
+	if (n_planes > 0) {
+		attribs[atti++] = EGL_DMA_BUF_PLANE0_FD_EXT;
+		attribs[atti++] = fds[0];
+		attribs[atti++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
+		attribs[atti++] = offsets[0];
+		attribs[atti++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
+		attribs[atti++] = strides[0];
+		if (modifiers) {
+			attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
+			attribs[atti++] = modifiers[0] & 0xFFFFFFFF;
+			attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
+			attribs[atti++] = modifiers[0] >> 32;
+		}
+	}
+
+	if (n_planes > 1) {
+		attribs[atti++] = EGL_DMA_BUF_PLANE1_FD_EXT;
+		attribs[atti++] = fds[1];
+		attribs[atti++] = EGL_DMA_BUF_PLANE1_OFFSET_EXT;
+		attribs[atti++] = offsets[1];
+		attribs[atti++] = EGL_DMA_BUF_PLANE1_PITCH_EXT;
+		attribs[atti++] = strides[1];
+		if (modifiers) {
+			attribs[atti++] = EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT;
+			attribs[atti++] = modifiers[1] & 0xFFFFFFFF;
+			attribs[atti++] = EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT;
+			attribs[atti++] = modifiers[1] >> 32;
+		}
+	}
+
+	if (n_planes > 2) {
+		attribs[atti++] = EGL_DMA_BUF_PLANE2_FD_EXT;
+		attribs[atti++] = fds[2];
+		attribs[atti++] = EGL_DMA_BUF_PLANE2_OFFSET_EXT;
+		attribs[atti++] = offsets[2];
+		attribs[atti++] = EGL_DMA_BUF_PLANE2_PITCH_EXT;
+		attribs[atti++] = strides[2];
+		if (modifiers) {
+			attribs[atti++] = EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT;
+			attribs[atti++] = modifiers[2] & 0xFFFFFFFF;
+			attribs[atti++] = EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT;
+			attribs[atti++] = modifiers[2] >> 32;
+		}
+	}
+
+	if (n_planes > 3) {
+		attribs[atti++] = EGL_DMA_BUF_PLANE3_FD_EXT;
+		attribs[atti++] = fds[3];
+		attribs[atti++] = EGL_DMA_BUF_PLANE3_OFFSET_EXT;
+		attribs[atti++] = offsets[3];
+		attribs[atti++] = EGL_DMA_BUF_PLANE3_PITCH_EXT;
+		attribs[atti++] = strides[3];
+		if (modifiers) {
+			attribs[atti++] = EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT;
+			attribs[atti++] = modifiers[3] & 0xFFFFFFFF;
+			attribs[atti++] = EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT;
+			attribs[atti++] = modifiers[3] >> 32;
+		}
+	}
+
+	attribs[atti++] = EGL_NONE;
+
+	return eglCreateImage(egl_display, EGL_NO_CONTEXT,
+			      EGL_LINUX_DMA_BUF_EXT, 0, attribs);
+}
+
+struct gs_texture *
+gl_egl_create_dmabuf_image(EGLDisplay egl_display, unsigned int width,
+			   unsigned int height,
+			   enum gs_color_format color_format, uint32_t n_planes,
+			   const int *fds, const uint32_t *strides,
+			   const uint32_t *offsets, const uint64_t *modifiers)
+{
+	struct gs_texture *texture = NULL;
+	EGLImage egl_image;
+	uint32_t drm_format;
+
+	if (!init_egl_image_target_texture_2d_ext())
+		return NULL;
+
+	drm_format = gs_format_to_drm_format(color_format);
+	if (drm_format == DRM_FORMAT_INVALID) {
+		blog(LOG_ERROR, "Invalid or unsupported image format");
+		return NULL;
+	}
+
+	egl_image = create_dmabuf_egl_image(egl_display, width, height,
+					    drm_format, n_planes, fds, strides,
+					    offsets, modifiers);
+	if (egl_image == EGL_NO_IMAGE) {
+		blog(LOG_ERROR, "Cannot create EGLImage: %s",
+		     gl_egl_error_to_string(eglGetError()));
+		return NULL;
+	}
+
+	texture = gs_texture_create(width, height, color_format, 1, NULL,
+				    GS_DYNAMIC);
+	const GLuint gltex = *(GLuint *)gs_texture_get_obj(texture);
+
+	glBindTexture(GL_TEXTURE_2D, gltex);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+	glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, egl_image);
+
+	glBindTexture(GL_TEXTURE_2D, 0);
+	eglDestroyImage(egl_display, egl_image);
+
+	return texture;
+}
+
+const char *gl_egl_error_to_string(EGLint error_number)
+{
+	switch (error_number) {
+	case EGL_SUCCESS:
+		return "The last function succeeded without error.";
+		break;
+	case EGL_NOT_INITIALIZED:
+		return "EGL is not initialized, or could not be initialized, for the specified EGL display connection.";
+		break;
+	case EGL_BAD_ACCESS:
+		return "EGL cannot access a requested resource (for example a context is bound in another thread).";
+		break;
+	case EGL_BAD_ALLOC:
+		return "EGL failed to allocate resources for the requested operation.";
+		break;
+	case EGL_BAD_ATTRIBUTE:
+		return "An unrecognized attribute or attribute value was passed in the attribute list.";
+		break;
+	case EGL_BAD_CONTEXT:
+		return "An EGLContext argument does not name a valid EGL rendering context.";
+		break;
+	case EGL_BAD_CONFIG:
+		return "An EGLConfig argument does not name a valid EGL frame buffer configuration.";
+		break;
+	case EGL_BAD_CURRENT_SURFACE:
+		return "The current surface of the calling thread is a window, pixel buffer or pixmap that is no longer valid.";
+		break;
+	case EGL_BAD_DISPLAY:
+		return "An EGLDisplay argument does not name a valid EGL display connection.";
+		break;
+	case EGL_BAD_SURFACE:
+		return "An EGLSurface argument does not name a valid surface (window, pixel buffer or pixmap) configured for GL rendering.";
+		break;
+	case EGL_BAD_MATCH:
+		return "Arguments are inconsistent (for example, a valid context requires buffers not supplied by a valid surface).";
+		break;
+	case EGL_BAD_PARAMETER:
+		return "One or more argument values are invalid.";
+		break;
+	case EGL_BAD_NATIVE_PIXMAP:
+		return "A NativePixmapType argument does not refer to a valid native pixmap.";
+		break;
+	case EGL_BAD_NATIVE_WINDOW:
+		return "A NativeWindowType argument does not refer to a valid native window.";
+		break;
+	case EGL_CONTEXT_LOST:
+		return "A power management event has occurred. The application must destroy all contexts and reinitialise OpenGL ES state and objects to continue rendering. ";
+		break;
+	default:
+		return "Unknown error";
+		break;
+	}
+}

libobs-opengl/gl-egl-common.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "gl-nix.h"
+
+#include <glad/glad_egl.h>
+
+const char *gl_egl_error_to_string(EGLint error_number);
+
+struct gs_texture *
+gl_egl_create_dmabuf_image(EGLDisplay egl_display, unsigned int width,
+			   unsigned int height,
+			   enum gs_color_format color_format, uint32_t n_planes,
+			   const int *fds, const uint32_t *strides,
+			   const uint32_t *offsets, const uint64_t *modifiers);

libobs-opengl/gl-nix.c

@@ -123,3 +123,14 @@ extern void device_present(gs_device_t *device)
 {
 	gl_vtable->device_present(device);
 }
+
+extern struct gs_texture *device_texture_create_from_dmabuf(
+	gs_device_t *device, unsigned int width, unsigned int height,
+	enum gs_color_format color_format, uint32_t n_planes, const int *fds,
+	const uint32_t *strides, const uint32_t *offsets,
+	const uint64_t *modifiers)
+{
+	return gl_vtable->device_texture_create_from_dmabuf(
+		device, width, height, color_format, n_planes, fds, strides,
+		offsets, modifiers);
+}

libobs-opengl/gl-nix.h

@@ -53,4 +53,10 @@ struct gl_winsys_vtable {
 				      gs_swapchain_t *swap);
 
 	void (*device_present)(gs_device_t *device);
+
+	struct gs_texture *(*device_texture_create_from_dmabuf)(
+		gs_device_t *device, unsigned int width, unsigned int height,
+		enum gs_color_format color_format, uint32_t n_planes,
+		const int *fds, const uint32_t *strides,
+		const uint32_t *offsets, const uint64_t *modifiers);
 };

libobs-opengl/gl-wayland-egl.c

@@ -20,6 +20,8 @@
 #include <wayland-client.h>
 #include <wayland-egl.h>
 
+#include "gl-egl-common.h"
+
 #include <glad/glad_egl.h>
 
 static const EGLint config_attribs[] = {EGL_SURFACE_TYPE,
@@ -319,6 +321,19 @@ static void gl_wayland_egl_device_present(gs_device_t *device)
 	}
 }
 
+static struct gs_texture *gl_wayland_egl_device_texture_create_from_dmabuf(
+	gs_device_t *device, unsigned int width, unsigned int height,
+	enum gs_color_format color_format, uint32_t n_planes, const int *fds,
+	const uint32_t *strides, const uint32_t *offsets,
+	const uint64_t *modifiers)
+{
+	struct gl_platform *plat = device->plat;
+
+	return gl_egl_create_dmabuf_image(plat->display, width, height,
+					  color_format, n_planes, fds, strides,
+					  offsets, modifiers);
+}
+
 static const struct gl_winsys_vtable egl_wayland_winsys_vtable = {
 	.windowinfo_create = gl_wayland_egl_windowinfo_create,
 	.windowinfo_destroy = gl_wayland_egl_windowinfo_destroy,
@@ -334,6 +349,8 @@ static const struct gl_winsys_vtable egl_wayland_winsys_vtable = {
 	.update = gl_wayland_egl_update,
 	.device_load_swapchain = gl_wayland_egl_device_load_swapchain,
 	.device_present = gl_wayland_egl_device_present,
+	.device_texture_create_from_dmabuf =
+		gl_wayland_egl_device_texture_create_from_dmabuf,
 };
 
 const struct gl_winsys_vtable *gl_wayland_egl_get_winsys_vtable(void)

libobs-opengl/gl-x11-egl.c

@@ -29,6 +29,7 @@
 
 #include <stdio.h>
 
+#include "gl-egl-common.h"
 #include "gl-x11-egl.h"
 
 #include <glad/glad_egl.h>
@@ -634,6 +635,19 @@ static void gl_x11_egl_device_present(gs_device_t *device)
 		     get_egl_error_string());
 }
 
+static struct gs_texture *gl_x11_egl_device_texture_create_from_dmabuf(
+	gs_device_t *device, unsigned int width, unsigned int height,
+	enum gs_color_format color_format, uint32_t n_planes, const int *fds,
+	const uint32_t *strides, const uint32_t *offsets,
+	const uint64_t *modifiers)
+{
+	struct gl_platform *plat = device->plat;
+
+	return gl_egl_create_dmabuf_image(plat->edisplay, width, height,
+					  color_format, n_planes, fds, strides,
+					  offsets, modifiers);
+}
+
 static const struct gl_winsys_vtable egl_x11_winsys_vtable = {
 	.windowinfo_create = gl_x11_egl_windowinfo_create,
 	.windowinfo_destroy = gl_x11_egl_windowinfo_destroy,
@@ -649,6 +663,8 @@ static const struct gl_winsys_vtable egl_x11_winsys_vtable = {
 	.update = gl_x11_egl_update,
 	.device_load_swapchain = gl_x11_egl_device_load_swapchain,
 	.device_present = gl_x11_egl_device_present,
+	.device_texture_create_from_dmabuf =
+		gl_x11_egl_device_texture_create_from_dmabuf,
 };
 
 const struct gl_winsys_vtable *gl_x11_egl_get_winsys_vtable(void)

libobs-opengl/gl-x11-glx.c

@@ -579,6 +579,25 @@ static void gl_x11_glx_device_present(gs_device_t *device)
 	glXSwapBuffers(display, window);
 }
 
+static struct gs_texture *gl_x11_glx_device_texture_create_from_dmabuf(
+	gs_device_t *device, unsigned int width, unsigned int height,
+	enum gs_color_format color_format, uint32_t n_planes, const int *fds,
+	const uint32_t *strides, const uint32_t *offsets,
+	const uint64_t *modifiers)
+{
+	UNUSED_PARAMETER(device);
+	UNUSED_PARAMETER(width);
+	UNUSED_PARAMETER(height);
+	UNUSED_PARAMETER(color_format);
+	UNUSED_PARAMETER(n_planes);
+	UNUSED_PARAMETER(fds);
+	UNUSED_PARAMETER(strides);
+	UNUSED_PARAMETER(offsets);
+	UNUSED_PARAMETER(modifiers);
+
+	return NULL;
+}
+
 static const struct gl_winsys_vtable glx_winsys_vtable = {
 	.windowinfo_create = gl_x11_glx_windowinfo_create,
 	.windowinfo_destroy = gl_x11_glx_windowinfo_destroy,
@@ -594,6 +613,8 @@ static const struct gl_winsys_vtable glx_winsys_vtable = {
 	.update = gl_x11_glx_update,
 	.device_load_swapchain = gl_x11_glx_device_load_swapchain,
 	.device_present = gl_x11_glx_device_present,
+	.device_texture_create_from_dmabuf =
+		gl_x11_glx_device_texture_create_from_dmabuf,
 };
 
 const struct gl_winsys_vtable *gl_x11_glx_get_winsys_vtable(void)

libobs/graphics/device-exports.h

@@ -170,6 +170,16 @@ EXPORT void device_debug_marker_begin(gs_device_t *device,
 				      const float color[4]);
 EXPORT void device_debug_marker_end(gs_device_t *device);
 
+#if __linux__
+
+EXPORT gs_texture_t *device_texture_create_from_dmabuf(
+	gs_device_t *device, unsigned int width, unsigned int height,
+	enum gs_color_format color_format, uint32_t n_planes, const int *fds,
+	const uint32_t *strides, const uint32_t *offsets,
+	const uint64_t *modifiers);
+
+#endif
+
 #ifdef __cplusplus
 }
 #endif

libobs/graphics/graphics-imports.c

@@ -222,6 +222,8 @@ bool load_graphics_imports(struct gs_exports *exports, void *module,
 	GRAPHICS_IMPORT_OPTIONAL(device_stagesurface_create_nv12);
 	GRAPHICS_IMPORT_OPTIONAL(device_register_loss_callbacks);
 	GRAPHICS_IMPORT_OPTIONAL(device_unregister_loss_callbacks);
+#elif __linux__
+	GRAPHICS_IMPORT(device_texture_create_from_dmabuf);
 #endif
 
 	return success;

libobs/graphics/graphics-internal.h

@@ -325,6 +325,12 @@ struct gs_exports {
 		gs_device_t *device, const struct gs_device_loss *callbacks);
 	void (*device_unregister_loss_callbacks)(gs_device_t *device,
 						 void *data);
+#elif __linux__
+	struct gs_texture *(*device_texture_create_from_dmabuf)(
+		gs_device_t *device, unsigned int width, unsigned int height,
+		enum gs_color_format color_format, uint32_t n_planes,
+		const int *fds, const uint32_t *strides,
+		const uint32_t *offsets, const uint64_t *modifiers);
 #endif
 };
 

libobs/graphics/graphics.c

@@ -1363,6 +1363,25 @@ gs_texture_t *gs_texture_create(uint32_t width, uint32_t height,
 						       levels, data, flags);
 }
 
+#if __linux__
+
+gs_texture_t *gs_texture_create_from_dmabuf(unsigned int width,
+					    unsigned int height,
+					    enum gs_color_format color_format,
+					    uint32_t n_planes, const int *fds,
+					    const uint32_t *strides,
+					    const uint32_t *offsets,
+					    const uint64_t *modifiers)
+{
+	graphics_t *graphics = thread_graphics;
+
+	return graphics->exports.device_texture_create_from_dmabuf(
+		graphics->device, width, height, color_format, n_planes, fds,
+		strides, offsets, modifiers);
+}
+
+#endif
+
 gs_texture_t *gs_cubetexture_create(uint32_t size,
 				    enum gs_color_format color_format,
 				    uint32_t levels, const uint8_t **data,

libobs/graphics/graphics.h

@@ -913,6 +913,15 @@ EXPORT gs_stagesurf_t *gs_stagesurface_create_nv12(uint32_t width,
 EXPORT void gs_register_loss_callbacks(const struct gs_device_loss *callbacks);
 EXPORT void gs_unregister_loss_callbacks(void *data);
 
+#elif __linux__
+
+EXPORT gs_texture_t *
+gs_texture_create_from_dmabuf(unsigned int width, unsigned int height,
+			      enum gs_color_format color_format,
+			      uint32_t n_planes, const int *fds,
+			      const uint32_t *strides, const uint32_t *offsets,
+			      const uint64_t *modifiers);
+
 #endif
 
 /* inline functions used by modules */