OpenGL bindings

OpenGL bindings helper library. More...

Collaboration diagram for OpenGL bindings:

Files
file	egl_api.c
	EGL API wrapper.
file	egl_api.h
	EGL API wrapper header.
file	glx_api.c
	GLX API wrapper.
file	glx_api.h
	GLX API wrapper header.
file	ogl_api.c
	OpenGL API wrapper.
file	ogl_api.h
	OpenGL API wrapper header.
file	ogl_documentation.h
	Header with only documentation.
file	ogl_helpers.c
	Common OpenGL code.
file	ogl_helpers.h
	Common OpenGL code header.
file	wgl_api.c
	WGL API wrapper.
file	wgl_api.h
	WGL API wrapper header.

Data Structures
struct	ogl_import_results
	Results from a import, nicer then having to pass in multiple arrays. More...

Functions
void	ogl_texture_target_for_swapchain_info (const struct xrt_swapchain_create_info *info, uint32_t *out_tex_target, uint32_t *out_tex_param_name)
	Determine the texture target and the texture binding parameter to save/restore for creation/use of an OpenGL texture from the given info. More...
XRT_CHECK_RESULT uint32_t	ogl_vk_format_to_gl (int64_t vk_format)
	Converts a Vulkan format to corresponding OpenGL format, will return 0 if no mapping exist for the given format. More...
XRT_CHECK_RESULT bool	ogl_import_from_native (struct xrt_image_native *natives, uint32_t native_count, const struct xrt_swapchain_create_info *info, struct ogl_import_results *results)
	Import native images, a context needs to be current when called. More...

Detailed Description

OpenGL bindings helper library.

Function Documentation

ogl_import_from_native()

XRT_CHECK_RESULT bool ogl_import_from_native	(	struct xrt_image_native *	natives,
		uint32_t	native_count,
		const struct xrt_swapchain_create_info *	info,
		struct ogl_import_results *	results
	)

#include <auxiliary/ogl/ogl_helpers.h>

Import native images, a context needs to be current when called.

References CHECK_GL, ogl_import_results::image_count, ogl_import_results::memories, ogl_texture_target_for_swapchain_info(), ogl_vk_format_to_gl(), ogl_import_results::textures, xrt_image_native::use_dedicated_allocation, and ogl_import_results::width.

ogl_texture_target_for_swapchain_info()

void ogl_texture_target_for_swapchain_info	(	const struct xrt_swapchain_create_info *	info,
		uint32_t *	out_tex_target,
		uint32_t *	out_tex_param_name
	)

#include <auxiliary/ogl/ogl_helpers.h>

Determine the texture target and the texture binding parameter to save/restore for creation/use of an OpenGL texture from the given info.

Todo:

test GL_TEXTURE_EXTERNAL_OES on Android

Referenced by client_gl_memobj_swapchain_create(), and ogl_import_from_native().

ogl_vk_format_to_gl()

XRT_CHECK_RESULT uint32_t ogl_vk_format_to_gl

(

int64_t

vk_format

)

#include <auxiliary/ogl/ogl_helpers.h>

Converts a Vulkan format to corresponding OpenGL format, will return 0 if no mapping exist for the given format.

References U_LOG_W.

Referenced by ogl_import_from_native().