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EGL: Implement glfwSwapBufferWithDamage()

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This is provided by the EGL_KHR_swap_buffers_with_damage extension.
This commit is contained in:
Emmanuel Gil Peyrot 2019-11-28 15:51:08 +01:00
parent e0b1f518cf
commit 8e354c2259
2 changed files with 28 additions and 0 deletions
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24
src/egl_context.c
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@ -232,6 +232,23 @@ static void swapBuffersEGL(_GLFWwindow* window)
eglSwapBuffers(_glfw.egl.display, window->context.egl.surface);
}
static void swapBuffersWithDamageEGL(_GLFWwindow* window, GLFWrect* rects, int n_rects)
{
if (window != _glfwPlatformGetTls(&_glfw.contextSlot))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: The context must be current on the calling thread when swapping buffers");
return;
}
if (eglSwapBuffersWithDamageKHR)
eglSwapBuffersWithDamageKHR(_glfw.egl.display,
window->context.egl.surface,
(EGLint*)rects, (EGLint)n_rects);
else
eglSwapBuffers(_glfw.egl.display, window->context.egl.surface);
}
static void swapIntervalEGL(int interval)
{
eglSwapInterval(_glfw.egl.display, interval);
@ -425,6 +442,12 @@ GLFWbool _glfwInitEGL(void)
extensionSupportedEGL("EGL_KHR_get_all_proc_addresses");
_glfw.egl.KHR_context_flush_control =
extensionSupportedEGL("EGL_KHR_context_flush_control");
_glfw.egl.KHR_swap_buffers_with_damage =
extensionSupportedEGL("EGL_KHR_swap_buffers_with_damage");
if (_glfw.egl.KHR_swap_buffers_with_damage)
_glfw.egl.SwapBuffersWithDamageKHR = (PFN_eglSwapBuffersWithDamageKHR)
_glfw.egl.GetProcAddress("eglSwapBuffersWithDamageKHR");
return GLFW_TRUE;
}
@ -694,6 +717,7 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
window->context.makeCurrent = makeContextCurrentEGL;
window->context.swapBuffers = swapBuffersEGL;
window->context.swapBuffersWithDamage = swapBuffersWithDamageEGL;
window->context.swapInterval = swapIntervalEGL;
window->context.extensionSupported = extensionSupportedEGL;
window->context.getProcAddress = getProcAddressEGL;

4
src/egl_context.h
View File

@ -132,6 +132,7 @@ typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapBuffers)(EGLDisplay,EGLSurface);
typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapInterval)(EGLDisplay,EGLint);
typedef const char* (EGLAPIENTRY * PFN_eglQueryString)(EGLDisplay,EGLint);
typedef GLFWglproc (EGLAPIENTRY * PFN_eglGetProcAddress)(const char*);
typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapBuffersWithDamageKHR)(EGLDisplay,EGLSurface,EGLint*,EGLint);
#define eglGetConfigAttrib _glfw.egl.GetConfigAttrib
#define eglGetConfigs _glfw.egl.GetConfigs
#define eglGetDisplay _glfw.egl.GetDisplay
@ -148,6 +149,7 @@ typedef GLFWglproc (EGLAPIENTRY * PFN_eglGetProcAddress)(const char*);
#define eglSwapInterval _glfw.egl.SwapInterval
#define eglQueryString _glfw.egl.QueryString
#define eglGetProcAddress _glfw.egl.GetProcAddress
#define eglSwapBuffersWithDamageKHR _glfw.egl.SwapBuffersWithDamageKHR
#define _GLFW_EGL_CONTEXT_STATE _GLFWcontextEGL egl
#define _GLFW_EGL_LIBRARY_CONTEXT_STATE _GLFWlibraryEGL egl
@ -178,6 +180,7 @@ typedef struct _GLFWlibraryEGL
GLFWbool KHR_gl_colorspace;
GLFWbool KHR_get_all_proc_addresses;
GLFWbool KHR_context_flush_control;
GLFWbool KHR_swap_buffers_with_damage;
void* handle;
@ -197,6 +200,7 @@ typedef struct _GLFWlibraryEGL
PFN_eglSwapInterval SwapInterval;
PFN_eglQueryString QueryString;
PFN_eglGetProcAddress GetProcAddress;
PFN_eglSwapBuffersWithDamageKHR SwapBuffersWithDamageKHR;
} _GLFWlibraryEGL;