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New gamma ramp API.

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This commit is contained in:
Camilla Berglund
2013-05-19 15:46:44 +02:00
parent 6df692b61e
commit 5d308db654
8 changed files with 128 additions and 126 deletions
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src/x11_gamma.c
+16 -50
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@@ -72,26 +72,18 @@ void _glfwInitGammaRamp(void)
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{
// TODO: Support ramp sizes other than 256
if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken)
{
XRRCrtcGamma* gamma;
size_t size = GLFW_GAMMA_RAMP_SIZE * sizeof(unsigned short);
const size_t size = XRRGetCrtcGammaSize(_glfw.x11.display,
monitor->x11.crtc);
XRRCrtcGamma* gamma = XRRGetCrtcGamma(_glfw.x11.display,
monitor->x11.crtc);
if (XRRGetCrtcGammaSize(_glfw.x11.display, monitor->x11.crtc) !=
GLFW_GAMMA_RAMP_SIZE)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Only gamma ramps of size 256 supported");
return;
}
_glfwAllocGammaRamp(ramp, size);
gamma = XRRGetCrtcGamma(_glfw.x11.display, monitor->x11.crtc);
memcpy(ramp->red, gamma->red, size);
memcpy(ramp->green, gamma->green, size);
memcpy(ramp->blue, gamma->blue, size);
memcpy(ramp->red, gamma->red, size * sizeof(unsigned short));
memcpy(ramp->green, gamma->green, size * sizeof(unsigned short));
memcpy(ramp->blue, gamma->blue, size * sizeof(unsigned short));
XRRFreeGamma(gamma);
}
@@ -100,17 +92,11 @@ void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
int size;
XF86VidModeGetGammaRampSize(_glfw.x11.display, _glfw.x11.screen, &size);
if (size != GLFW_GAMMA_RAMP_SIZE)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Only gamma ramps of size 256 supported");
return;
}
_glfwAllocGammaRamp(ramp, size);
XF86VidModeGetGammaRamp(_glfw.x11.display,
_glfw.x11.screen,
GLFW_GAMMA_RAMP_SIZE,
ramp->red, ramp->green, ramp->blue);
ramp->size, ramp->red, ramp->green, ramp->blue);
}
}
@@ -118,40 +104,20 @@ void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
{
if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken)
{
size_t size = GLFW_GAMMA_RAMP_SIZE * sizeof(unsigned short);
XRRCrtcGamma* gamma;
XRRCrtcGamma* gamma = XRRAllocGamma(ramp->size);
if (XRRGetCrtcGammaSize(_glfw.x11.display, monitor->x11.crtc) !=
GLFW_GAMMA_RAMP_SIZE)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Only gamma ramps of size 256 supported");
return;
}
gamma = XRRAllocGamma(GLFW_GAMMA_RAMP_SIZE);
memcpy(gamma->red, ramp->red, size);
memcpy(gamma->green, ramp->green, size);
memcpy(gamma->blue, ramp->blue, size);
memcpy(gamma->red, ramp->red, ramp->size * sizeof(unsigned short));
memcpy(gamma->green, ramp->green, ramp->size * sizeof(unsigned short));
memcpy(gamma->blue, ramp->blue, ramp->size * sizeof(unsigned short));
XRRSetCrtcGamma(_glfw.x11.display, monitor->x11.crtc, gamma);
XRRFreeGamma(gamma);
}
else if (_glfw.x11.vidmode.available)
{
int size;
XF86VidModeGetGammaRampSize(_glfw.x11.display, _glfw.x11.screen, &size);
if (size != GLFW_GAMMA_RAMP_SIZE)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Only gamma ramps of size 256 supported");
return;
}
XF86VidModeSetGammaRamp(_glfw.x11.display,
_glfw.x11.screen,
GLFW_GAMMA_RAMP_SIZE,
ramp->size,
(unsigned short*) ramp->red,
(unsigned short*) ramp->green,
(unsigned short*) ramp->blue);