From: Marek Olšák <marek.ol...@amd.com>
---
include/GL/mesa_glinterop.h | 226 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 226 insertions(+)
create mode 100644 include/GL/mesa_glinterop.h
diff --git a/include/GL/mesa_glinterop.h b/include/GL/mesa_glinterop.h
new file mode 100644
index 0000000..ecb5459
--- /dev/null
+++ b/include/GL/mesa_glinterop.h
@@ -0,0 +1,226 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* Mesa OpenGL inter-driver interoperability interface. */
+
+#ifndef MESA_GLINTEROP_H
+#define MESA_GLINTEROP_H
+
+#include <GL/glx.h>
+#include <EGL/egl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MESA_GLINTEROP_VERSION 1
+
+/** Returned error codes. */
+#define MESA_GLINTEROP_SUCCESS 0
+#define MESA_GLINTEROP_OUT_OF_RESOURCES 1
+#define MESA_GLINTEROP_INVALID_OPERATION 2
+#define MESA_GLINTEROP_INVALID_VALUE 3
+#define MESA_GLINTEROP_INVALID_DISPLAY 4
+#define MESA_GLINTEROP_INVALID_CONTEXT 5
+#define MESA_GLINTEROP_INVALID_TARGET 6
+#define MESA_GLINTEROP_INVALID_OBJECT 7
+#define MESA_GLINTEROP_INVALID_MIP_LEVEL 8
+
+/** Access flags. */
+#define MESA_GLINTEROP_ACCESS_READ_WRITE 0
+#define MESA_GLINTEROP_ACCESS_READ_ONLY 1
+#define MESA_GLINTEROP_ACCESS_WRITE_ONLY 2
+
+
+/**
+ * Device information returned by Mesa.
+ */
+typedef struct {
+ uint32_t size; /* size of this structure */
+
+ /* PCI location */
+ uint32_t pci_segment_group;
+ uint32_t pci_bus;
+ uint32_t pci_device;
+ uint32_t pci_function;
+
+ /* Device identification */
+ uint32_t vendor_id;
+ uint32_t device_id;
+} mesa_glinterop_device_info;
+
+
+/**
+ * Input parameters to Mesa interop export functions.
+ */
+typedef struct {
+ uint32_t size; /* size of this structure */
+
+ /* One of the following:
+ * - GL_TEXTURE_BUFFER
+ * - GL_TEXTURE_1D
+ * - GL_TEXTURE_2D
+ * - GL_TEXTURE_3D
+ * - GL_TEXTURE_RECTANGLE
+ * - GL_TEXTURE_1D_ARRAY
+ * - GL_TEXTURE_2D_ARRAY
+ * - GL_TEXTURE_CUBE_MAP_ARRAY
+ * - GL_TEXTURE_CUBE_MAP
+ * - GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ * - GL_TEXTURE_CUBE_MAP_NEGATIVE_X
+ * - GL_TEXTURE_CUBE_MAP_POSITIVE_Y
+ * - GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
+ * - GL_TEXTURE_CUBE_MAP_POSITIVE_Z
+ * - GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
+ * - GL_TEXTURE_2D_MULTISAMPLE
+ * - GL_TEXTURE_2D_MULTISAMPLE_ARRAY
+ * - GL_TEXTURE_EXTERNAL_OES
+ * - GL_RENDERBUFFER
+ * - GL_ARRAY_BUFFER
+ */
+ GLenum target;
+
+ /* If target is GL_ARRAY_BUFFER, it's a buffer object.
+ * If target is GL_RENDERBUFFER, it's a renderbuffer object.
+ * If target is GL_TEXTURE_*, it's a texture object.
+ */
+ GLuint obj;
+
+ /* Mipmap level. Ignored for non-texture objects. */
+ GLuint miplevel;
+
+ /* One of MESA_GLINTEROP_ACCESS_* flags. This describes how the exported
+ * object is going to be used.
+ */
+ uint32_t access;
+
+ /* Size of memory pointed to by out_driver_data. */
+ uint32_t out_driver_data_size;
+
+ /* If the caller wants to query driver-specific data about the OpenGL
+ * object, this should point to the memory where that dta will be stored.
+ */
+ void *out_driver_data;
+} mesa_glinterop_export_in;
+
+
+/**
+ * Outputs of Mesa interop export functions.
+ */
+typedef struct {
+ uint32_t size; /* size of this structure */
+
+ /* The DMABUF handle. It must closed by the caller using the POSIX close()
+ * function when it's not needed anymore. Mesa is not responsible for
+ * closing the handle.
+ */
+ int dmabuf_fd;
+
+ /* The mutable OpenGL internal format specified by glTextureView or
+ * glTexBuffer. If the object is not one of those, the original internal
+ * format specified by glTexStorage, glTexImage, or glRenderbufferStorage
+ * will be returned.
+ */
+ GLenum internalformat;
+
+ /* Parameters specified by glTexBufferRange for GL_TEXTURE_BUFFER. */
+ GLintptr buf_offset;
+ GLsizeiptr buf_size;
+
+ /* Parameters specified by glTextureView. If the object is not a texture
+ * view, default parameters covering the whole texture will be returned.
+ */
+ GLuint view_minlevel;
+ GLuint view_numlevels;
+ GLuint view_minlayer;
+ GLuint view_numlayers;
+} mesa_glinterop_export_out;
+
+
+/**
+ * Query device information.
+ *
+ * \param dpy GLX display
+ * \param context GLX context
+ * \param out where to return the information
+ *
+ * \return MESA_GLINTEROP_SUCCESS or MESA_GLINTEROP_* != 0 on error
+ */
+GLAPI int GLAPIENTRY
+MesaGLInteropGLXQueryDeviceInfo(Display *dpy, GLXContext context,
+ mesa_glinterop_device_info *out);
+
+
+/**
+ * Same as MesaGLInteropGLXQueryDeviceInfo except that it accepts EGLDisplay
+ * and EGLContext.
+ */
+GLAPI int GLAPIENTRY
+MesaGLInteropEGLQueryDeviceInfo(EGLDisplay dpy, EGLContext context,
+ mesa_glinterop_device_info *out);
+
+
+/**
+ * Create and return a DMABUF handle corresponding to the given OpenGL
+ * object, and return other parameters about the OpenGL object.
+ *
+ * \param dpy GLX display
+ * \param context GLX context
+ * \param in input parameters
+ * \param out return values
+ *
+ * \return MESA_GLINTEROP_SUCCESS or MESA_GLINTEROP_* != 0 on error
+ */
+GLAPI int GLAPIENTRY
+MesaGLInteropGLXExportObject(Display *dpy, GLXContext context,
+ mesa_glinterop_export_in *in,
+ mesa_glinterop_export_out *out);
+
+
+/**
+ * Same as MesaGLInteropGLXExportGLObject except that it accepts
+ * EGLDisplay and EGLContext.
+ */
+GLAPI int GLAPIENTRY
+MesaGLInteropEGLExportObject(EGLDisplay dpy, EGLContext context,
+ mesa_glinterop_export_in *in,
+ mesa_glinterop_export_out *out);
+
+
+typedef int (APIENTRYP PFNMESAGLINTEROPGLXQUERYDEVICEINFOPROC)(Display *dpy,
GLXContext context,
+
mesa_glinterop_device_info *out);
+typedef int (APIENTRYP PFNMESAGLINTEROPEGLQUERYDEVICEINFOPROC)(EGLDisplay dpy,
EGLContext context,
+
mesa_glinterop_device_info *out);
+typedef int (APIENTRYP PFNMESAGLINTEROPGLXEXPORTOBJECTPROC)(Display *dpy,
GLXContext context,
+
mesa_glinterop_export_in *in,
+
mesa_glinterop_export_out *out);
+typedef int (APIENTRYP PFNMESAGLINTEROPEGLEXPORTOBJECTPROC)(EGLDisplay dpy,
EGLContext context,
+
mesa_glinterop_export_in *in,
+
mesa_glinterop_export_out *out);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MESA_GLINTEROP_H */
--
2.5.0
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