Camilla Berglund
ago%!(EXTRA string=11 years)
parent
626dbf6057
commit
59d1aa52f2
11 changed files with 277 additions and 466 deletions
@ -1,84 +0,0 @@ |
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//========================================================================
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// GLFW 3.1 OS X - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h" |
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#include <limits.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <ApplicationServices/ApplicationServices.h> |
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) |
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{ |
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uint32_t i, size = CGDisplayGammaTableCapacity(monitor->ns.displayID); |
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CGGammaValue* values = calloc(size * 3, sizeof(CGGammaValue)); |
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CGGetDisplayTransferByTable(monitor->ns.displayID, |
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size, |
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values, |
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values + size, |
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values + size * 2, |
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&size); |
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_glfwAllocGammaArrays(ramp, size); |
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for (i = 0; i < size; i++) |
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{ |
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ramp->red[i] = (unsigned short) (values[i] * 65535); |
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ramp->green[i] = (unsigned short) (values[i + size] * 65535); |
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ramp->blue[i] = (unsigned short) (values[i + size * 2] * 65535); |
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} |
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free(values); |
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} |
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void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp) |
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{ |
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int i; |
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CGGammaValue* values = calloc(ramp->size * 3, sizeof(CGGammaValue)); |
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for (i = 0; i < ramp->size; i++) |
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{ |
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values[i] = ramp->red[i] / 65535.f; |
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values[i + ramp->size] = ramp->green[i] / 65535.f; |
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values[i + ramp->size * 2] = ramp->blue[i] / 65535.f; |
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} |
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CGSetDisplayTransferByTable(monitor->ns.displayID, |
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ramp->size, |
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values, |
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values + ramp->size, |
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values + ramp->size * 2); |
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free(values); |
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} |
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@ -1,122 +0,0 @@ |
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//========================================================================
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// GLFW 3.1 - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h" |
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#include <math.h> |
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#include <stdlib.h> |
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#include <string.h> |
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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void _glfwAllocGammaArrays(GLFWgammaramp* ramp, unsigned int size) |
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{ |
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ramp->red = calloc(size, sizeof(unsigned short)); |
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ramp->green = calloc(size, sizeof(unsigned short)); |
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ramp->blue = calloc(size, sizeof(unsigned short)); |
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ramp->size = size; |
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} |
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void _glfwFreeGammaArrays(GLFWgammaramp* ramp) |
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{ |
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free(ramp->red); |
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free(ramp->green); |
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free(ramp->blue); |
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memset(ramp, 0, sizeof(GLFWgammaramp)); |
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} |
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//////////////////////////////////////////////////////////////////////////
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////// GLFW public API //////
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//////////////////////////////////////////////////////////////////////////
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GLFWAPI void glfwSetGamma(GLFWmonitor* handle, float gamma) |
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{ |
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int i; |
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unsigned short values[256]; |
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GLFWgammaramp ramp; |
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_GLFW_REQUIRE_INIT(); |
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if (gamma <= 0.f) |
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{ |
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_glfwInputError(GLFW_INVALID_VALUE, |
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"Gamma value must be greater than zero"); |
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return; |
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} |
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for (i = 0; i < 256; i++) |
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{ |
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double value; |
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// Calculate intensity
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value = i / 255.0; |
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// Apply gamma curve
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value = pow(value, 1.0 / gamma) * 65535.0 + 0.5; |
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// Clamp to value range
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if (value > 65535.0) |
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value = 65535.0; |
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values[i] = (unsigned short) value; |
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} |
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ramp.red = values; |
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ramp.green = values; |
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ramp.blue = values; |
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ramp.size = 256; |
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glfwSetGammaRamp(handle, &ramp); |
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} |
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GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* handle) |
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{ |
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_GLFWmonitor* monitor = (_GLFWmonitor*) handle; |
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_GLFW_REQUIRE_INIT_OR_RETURN(NULL); |
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_glfwFreeGammaArrays(&monitor->currentRamp); |
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_glfwPlatformGetGammaRamp(monitor, &monitor->currentRamp); |
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return &monitor->currentRamp; |
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} |
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GLFWAPI void glfwSetGammaRamp(GLFWmonitor* handle, const GLFWgammaramp* ramp) |
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{ |
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_GLFWmonitor* monitor = (_GLFWmonitor*) handle; |
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_GLFW_REQUIRE_INIT(); |
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if (!monitor->originalRamp.size) |
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_glfwPlatformGetGammaRamp(monitor, &monitor->originalRamp); |
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_glfwPlatformSetGammaRamp(monitor, ramp); |
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} |
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@ -1,82 +0,0 @@ |
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//========================================================================
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// GLFW 3.1 Win32 - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h" |
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#include <limits.h> |
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) |
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{ |
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HDC dc; |
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WORD values[768]; |
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DISPLAY_DEVICEW display; |
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ZeroMemory(&display, sizeof(DISPLAY_DEVICEW)); |
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display.cb = sizeof(DISPLAY_DEVICEW); |
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EnumDisplayDevicesW(monitor->win32.name, 0, &display, 0); |
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dc = CreateDCW(L"DISPLAY", display.DeviceString, NULL, NULL); |
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GetDeviceGammaRamp(dc, values); |
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DeleteDC(dc); |
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_glfwAllocGammaArrays(ramp, 256); |
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memcpy(ramp->red, values + 0, 256 * sizeof(unsigned short)); |
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memcpy(ramp->green, values + 256, 256 * sizeof(unsigned short)); |
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memcpy(ramp->blue, values + 512, 256 * sizeof(unsigned short)); |
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} |
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void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp) |
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{ |
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HDC dc; |
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WORD values[768]; |
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DISPLAY_DEVICE display; |
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if (ramp->size != 256) |
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{ |
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_glfwInputError(GLFW_PLATFORM_ERROR, |
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"Win32: Gamma ramp size must be 256"); |
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return; |
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} |
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memcpy(values + 0, ramp->red, 256 * sizeof(unsigned short)); |
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memcpy(values + 256, ramp->green, 256 * sizeof(unsigned short)); |
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memcpy(values + 512, ramp->blue, 256 * sizeof(unsigned short)); |
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ZeroMemory(&display, sizeof(DISPLAY_DEVICEW)); |
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display.cb = sizeof(DISPLAY_DEVICEW); |
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EnumDisplayDevicesW(monitor->win32.name, 0, &display, 0); |
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dc = CreateDCW(L"DISPLAY", display.DeviceString, NULL, NULL); |
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SetDeviceGammaRamp(dc, values); |
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DeleteDC(dc); |
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} |
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@ -1,47 +0,0 @@ |
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//========================================================================
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// GLFW 3.1 Wayland - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
|
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h" |
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#include <stdio.h> |
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) |
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{ |
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// TODO
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fprintf(stderr, "_glfwPlatformGetGammaRamp not implemented yet\n"); |
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} |
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void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp) |
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{ |
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// TODO
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fprintf(stderr, "_glfwPlatformSetGammaRamp not implemented yet\n"); |
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} |
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@ -1,118 +0,0 @@ |
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//========================================================================
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// GLFW 3.1 X11 - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
|
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// in a product, an acknowledgment in the product documentation would
|
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h" |
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#include <limits.h> |
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#include <string.h> |
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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// Detect gamma ramp support
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//
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void _glfwInitGammaRamp(void) |
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{ |
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if (_glfw.x11.randr.available) |
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{ |
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XRRScreenResources* sr = XRRGetScreenResources(_glfw.x11.display, |
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_glfw.x11.root); |
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if (!sr->ncrtc || !XRRGetCrtcGammaSize(_glfw.x11.display, sr->crtcs[0])) |
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{ |
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// This is either a headless system or an older Nvidia binary driver
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// with broken gamma support
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// Flag it as useless and fall back to Xf86VidMode, if available
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_glfwInputError(GLFW_PLATFORM_ERROR, |
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"X11: RandR gamma ramp support seems broken"); |
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_glfw.x11.randr.gammaBroken = GL_TRUE; |
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} |
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XRRFreeScreenResources(sr); |
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} |
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} |
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) |
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{ |
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if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken) |
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{ |
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const size_t size = XRRGetCrtcGammaSize(_glfw.x11.display, |
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monitor->x11.crtc); |
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XRRCrtcGamma* gamma = XRRGetCrtcGamma(_glfw.x11.display, |
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monitor->x11.crtc); |
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_glfwAllocGammaArrays(ramp, size); |
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memcpy(ramp->red, gamma->red, size * sizeof(unsigned short)); |
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memcpy(ramp->green, gamma->green, size * sizeof(unsigned short)); |
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memcpy(ramp->blue, gamma->blue, size * sizeof(unsigned short)); |
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XRRFreeGamma(gamma); |
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} |
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else if (_glfw.x11.vidmode.available) |
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{ |
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int size; |
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XF86VidModeGetGammaRampSize(_glfw.x11.display, _glfw.x11.screen, &size); |
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_glfwAllocGammaArrays(ramp, size); |
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XF86VidModeGetGammaRamp(_glfw.x11.display, |
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_glfw.x11.screen, |
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ramp->size, ramp->red, ramp->green, ramp->blue); |
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} |
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} |
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void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp) |
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{ |
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if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken) |
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{ |
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XRRCrtcGamma* gamma = XRRAllocGamma(ramp->size); |
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memcpy(gamma->red, ramp->red, ramp->size * sizeof(unsigned short)); |
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memcpy(gamma->green, ramp->green, ramp->size * sizeof(unsigned short)); |
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memcpy(gamma->blue, ramp->blue, ramp->size * sizeof(unsigned short)); |
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XRRSetCrtcGamma(_glfw.x11.display, monitor->x11.crtc, gamma); |
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XRRFreeGamma(gamma); |
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} |
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else if (_glfw.x11.vidmode.available) |
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{ |
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XF86VidModeSetGammaRamp(_glfw.x11.display, |
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_glfw.x11.screen, |
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ramp->size, |
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(unsigned short*) ramp->red, |
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(unsigned short*) ramp->green, |
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(unsigned short*) ramp->blue); |
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} |
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} |
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Reference in New Issue