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Fix glfwGetGammaRamp error handling

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This makes glfwGetGammaRamp return NULL on platform error as specified.

Related to #1387.
This commit is contained in:
Camilla Löwy 2018-12-19 14:53:01 +01:00
parent 3201eedc34
commit 52c7a4fc7f
7 changed files with 30 additions and 8 deletions
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3
src/cocoa_monitor.m
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@ -467,7 +467,7 @@ void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode *mode)
CVDisplayLinkRelease(link); CVDisplayLinkRelease(link);
} }
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{ {
uint32_t i, size = CGDisplayGammaTableCapacity(monitor->ns.displayID); uint32_t i, size = CGDisplayGammaTableCapacity(monitor->ns.displayID);
CGGammaValue* values = calloc(size * 3, sizeof(CGGammaValue)); CGGammaValue* values = calloc(size * 3, sizeof(CGGammaValue));
@ -489,6 +489,7 @@ void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
} }
free(values); free(values);
return GLFW_TRUE;
} }
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp) void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)

2
src/internal.h
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@ -611,7 +611,7 @@ void _glfwPlatformGetMonitorContentScale(_GLFWmonitor* monitor,
float* xscale, float* yscale); float* xscale, float* yscale);
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count); GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count);
void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode); void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode);
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp); GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp);
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp); void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp);
void _glfwPlatformSetClipboardString(const char* string); void _glfwPlatformSetClipboardString(const char* string);

8
src/monitor.c
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@ -472,7 +472,8 @@ GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* handle)
_GLFW_REQUIRE_INIT_OR_RETURN(NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_glfwFreeGammaArrays(&monitor->currentRamp); _glfwFreeGammaArrays(&monitor->currentRamp);
_glfwPlatformGetGammaRamp(monitor, &monitor->currentRamp); if (!_glfwPlatformGetGammaRamp(monitor, &monitor->currentRamp))
return NULL;
return &monitor->currentRamp; return &monitor->currentRamp;
} }
@ -498,7 +499,10 @@ GLFWAPI void glfwSetGammaRamp(GLFWmonitor* handle, const GLFWgammaramp* ramp)
_GLFW_REQUIRE_INIT(); _GLFW_REQUIRE_INIT();
if (!monitor->originalRamp.size) if (!monitor->originalRamp.size)
_glfwPlatformGetGammaRamp(monitor, &monitor->originalRamp); {
if (!_glfwPlatformGetGammaRamp(monitor, &monitor->originalRamp))
return;
}
_glfwPlatformSetGammaRamp(monitor, ramp); _glfwPlatformSetGammaRamp(monitor, ramp);
} }

3
src/null_monitor.c
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@ -58,8 +58,9 @@ void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
{ {
} }
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{ {
return GLFW_FALSE;
} }
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp) void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)

4
src/win32_monitor.c
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@ -455,7 +455,7 @@ void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
&mode->blueBits); &mode->blueBits);
} }
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{ {
HDC dc; HDC dc;
WORD values[768]; WORD values[768];
@ -469,6 +469,8 @@ void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
memcpy(ramp->red, values + 0, 256 * sizeof(unsigned short)); memcpy(ramp->red, values + 0, 256 * sizeof(unsigned short));
memcpy(ramp->green, values + 256, 256 * sizeof(unsigned short)); memcpy(ramp->green, values + 256, 256 * sizeof(unsigned short));
memcpy(ramp->blue, values + 512, 256 * sizeof(unsigned short)); memcpy(ramp->blue, values + 512, 256 * sizeof(unsigned short));
return GLFW_TRUE;
} }
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp) void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)

3
src/wl_monitor.c
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@ -180,10 +180,11 @@ void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
*mode = monitor->modes[monitor->wl.currentMode]; *mode = monitor->modes[monitor->wl.currentMode];
} }
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{ {
_glfwInputError(GLFW_PLATFORM_ERROR, _glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Gamma ramp access it not available"); "Wayland: Gamma ramp access it not available");
return GLFW_FALSE;
} }
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor,

15
src/x11_monitor.c
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@ -422,7 +422,7 @@ void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
} }
} }
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{ {
if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken) if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken)
{ {
@ -438,6 +438,7 @@ void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
memcpy(ramp->blue, gamma->blue, size * sizeof(unsigned short)); memcpy(ramp->blue, gamma->blue, size * sizeof(unsigned short));
XRRFreeGamma(gamma); XRRFreeGamma(gamma);
return GLFW_TRUE;
} }
else if (_glfw.x11.vidmode.available) else if (_glfw.x11.vidmode.available)
{ {
@ -449,6 +450,13 @@ void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
XF86VidModeGetGammaRamp(_glfw.x11.display, XF86VidModeGetGammaRamp(_glfw.x11.display,
_glfw.x11.screen, _glfw.x11.screen,
ramp->size, ramp->red, ramp->green, ramp->blue); ramp->size, ramp->red, ramp->green, ramp->blue);
return GLFW_TRUE;
}
else
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Gamma ramp access not supported by server");
return GLFW_FALSE;
} }
} }
@ -481,6 +489,11 @@ void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
(unsigned short*) ramp->green, (unsigned short*) ramp->green,
(unsigned short*) ramp->blue); (unsigned short*) ramp->blue);
} }
else
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Gamma ramp access not supported by server");
}
} }