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EGL: Add support for EGL_KHR_context_flush_control

This commit is contained in:
Camilla Löwy 2017-03-15 17:37:33 +01:00
parent 7c070f55be
commit 27a8b3c17b
3 changed files with 24 additions and 9 deletions
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1
README.md
View File

@ -188,6 +188,7 @@ information on what to include when reporting a bug.
- [Cocoa] Bugfix: Iconified full screen windows could not be restored (#848)
- [X11] Moved to XI2 `XI_RawMotion` for disable cursor mode motion input (#125)
- [EGL] Added support for `EGL_KHR_get_all_proc_addresses` (#871)
- [EGL] Added support for `EGL_KHR_context_flush_control`
- [EGL] Bugfix: The test for `EGL_RGB_BUFFER` was invalid

28
src/egl_context.c
View File

@ -403,6 +403,8 @@ GLFWbool _glfwInitEGL(void)
extensionSupportedEGL("EGL_KHR_gl_colorspace");
_glfw.egl.KHR_get_all_proc_addresses =
extensionSupportedEGL("EGL_KHR_get_all_proc_addresses");
_glfw.egl.KHR_context_flush_control =
extensionSupportedEGL("EGL_KHR_context_flush_control");
return GLFW_TRUE;
}
@ -440,6 +442,7 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
EGLint attribs[40];
EGLConfig config;
EGLContext share = NULL;
int index = 0;
if (!_glfw.egl.display)
{
@ -480,7 +483,7 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
if (_glfw.egl.KHR_create_context)
{
int index = 0, mask = 0, flags = 0;
int mask = 0, flags = 0;
if (ctxconfig->client == GLFW_OPENGL_API)
{
@ -529,21 +532,28 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
if (flags)
setEGLattrib(EGL_CONTEXT_FLAGS_KHR, flags);
setEGLattrib(EGL_NONE, EGL_NONE);
}
else
{
int index = 0;
if (ctxconfig->client == GLFW_OPENGL_ES_API)
setEGLattrib(EGL_CONTEXT_CLIENT_VERSION, ctxconfig->major);
setEGLattrib(EGL_NONE, EGL_NONE);
}
// Context release behaviors (GL_KHR_context_flush_control) are not yet
// supported on EGL but are not a hard constraint, so ignore and continue
if (_glfw.egl.KHR_context_flush_control)
{
if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_NONE)
{
setEGLattrib(EGL_CONTEXT_RELEASE_BEHAVIOR_KHR,
EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR);
}
else if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_FLUSH)
{
setEGLattrib(EGL_CONTEXT_RELEASE_BEHAVIOR_KHR,
EGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_KHR);
}
}
setEGLattrib(EGL_NONE, EGL_NONE);
window->context.egl.handle = eglCreateContext(_glfw.egl.display,
config, share, attribs);

4
src/egl_context.h
View File

@ -110,6 +110,9 @@ typedef MirEGLNativeWindowType EGLNativeWindowType;
#define EGL_CONTEXT_OPENGL_NO_ERROR_KHR 0x31b3
#define EGL_GL_COLORSPACE_KHR 0x309d
#define EGL_GL_COLORSPACE_SRGB_KHR 0x3089
#define EGL_CONTEXT_RELEASE_BEHAVIOR_KHR 0x2097
#define EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR 0
#define EGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_KHR 0x2098
typedef int EGLint;
typedef unsigned int EGLBoolean;
@ -181,6 +184,7 @@ typedef struct _GLFWlibraryEGL
GLFWbool KHR_create_context_no_error;
GLFWbool KHR_gl_colorspace;
GLFWbool KHR_get_all_proc_addresses;
GLFWbool KHR_context_flush_control;
void* handle;