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Diffstat (limited to 'ext/glfw/src/null_monitor.c')
| -rw-r--r-- | ext/glfw/src/null_monitor.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/ext/glfw/src/null_monitor.c b/ext/glfw/src/null_monitor.c new file mode 100644 index 0000000..a9b528f --- /dev/null +++ b/ext/glfw/src/null_monitor.c @@ -0,0 +1,160 @@ +//======================================================================== +// GLFW 3.5 - www.glfw.org +//------------------------------------------------------------------------ +// Copyright (c) 2016 Google Inc. +// Copyright (c) 2016-2019 Camilla Löwy <elmindreda@glfw.org> +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would +// be appreciated but is not required. +// +// 2. Altered source versions must be plainly marked as such, and must not +// be misrepresented as being the original software. +// +// 3. This notice may not be removed or altered from any source +// distribution. +// +//======================================================================== + +#include "internal.h" + +#include <stdlib.h> +#include <string.h> +#include <math.h> + +// The the sole (fake) video mode of our (sole) fake monitor +// +static GLFWvidmode getVideoMode(void) +{ + GLFWvidmode mode; + mode.width = 1920; + mode.height = 1080; + mode.redBits = 8; + mode.greenBits = 8; + mode.blueBits = 8; + mode.refreshRate = 60; + return mode; +} + +////////////////////////////////////////////////////////////////////////// +////// GLFW internal API ////// +////////////////////////////////////////////////////////////////////////// + +void _glfwPollMonitorsNull(void) +{ + const float dpi = 141.f; + const GLFWvidmode mode = getVideoMode(); + _GLFWmonitor* monitor = _glfwAllocMonitor("Null SuperNoop 0", + (int) (mode.width * 25.4f / dpi), + (int) (mode.height * 25.4f / dpi)); + _glfwInputMonitor(monitor, GLFW_CONNECTED, _GLFW_INSERT_FIRST); +} + +////////////////////////////////////////////////////////////////////////// +////// GLFW platform API ////// +////////////////////////////////////////////////////////////////////////// + +void _glfwFreeMonitorNull(_GLFWmonitor* monitor) +{ + _glfwFreeGammaArrays(&monitor->null.ramp); +} + +void _glfwGetMonitorPosNull(_GLFWmonitor* monitor, int* xpos, int* ypos) +{ + if (xpos) + *xpos = 0; + if (ypos) + *ypos = 0; +} + +void _glfwGetMonitorContentScaleNull(_GLFWmonitor* monitor, + float* xscale, float* yscale) +{ + if (xscale) + *xscale = 1.f; + if (yscale) + *yscale = 1.f; +} + +void _glfwGetMonitorWorkareaNull(_GLFWmonitor* monitor, + int* xpos, int* ypos, + int* width, int* height) +{ + const GLFWvidmode mode = getVideoMode(); + + if (xpos) + *xpos = 0; + if (ypos) + *ypos = 10; + if (width) + *width = mode.width; + if (height) + *height = mode.height - 10; +} + +GLFWvidmode* _glfwGetVideoModesNull(_GLFWmonitor* monitor, int* found) +{ + GLFWvidmode* mode = _glfw_calloc(1, sizeof(GLFWvidmode)); + *mode = getVideoMode(); + *found = 1; + return mode; +} + +GLFWbool _glfwGetVideoModeNull(_GLFWmonitor* monitor, GLFWvidmode* mode) +{ + *mode = getVideoMode(); + return GLFW_TRUE; +} + +GLFWbool _glfwGetGammaRampNull(_GLFWmonitor* monitor, GLFWgammaramp* ramp) +{ + if (!monitor->null.ramp.size) + { + unsigned int i; + + _glfwAllocGammaArrays(&monitor->null.ramp, 256); + + for (i = 0; i < monitor->null.ramp.size; i++) + { + const float gamma = 2.2f; + float value; + value = i / (float) (monitor->null.ramp.size - 1); + value = powf(value, 1.f / gamma) * 65535.f + 0.5f; + value = fminf(value, 65535.f); + + monitor->null.ramp.red[i] = (unsigned short) value; + monitor->null.ramp.green[i] = (unsigned short) value; + monitor->null.ramp.blue[i] = (unsigned short) value; + } + } + + _glfwAllocGammaArrays(ramp, monitor->null.ramp.size); + memcpy(ramp->red, monitor->null.ramp.red, sizeof(short) * ramp->size); + memcpy(ramp->green, monitor->null.ramp.green, sizeof(short) * ramp->size); + memcpy(ramp->blue, monitor->null.ramp.blue, sizeof(short) * ramp->size); + return GLFW_TRUE; +} + +void _glfwSetGammaRampNull(_GLFWmonitor* monitor, const GLFWgammaramp* ramp) +{ + if (monitor->null.ramp.size != ramp->size) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Null: Gamma ramp size must match current ramp size"); + return; + } + + memcpy(monitor->null.ramp.red, ramp->red, sizeof(short) * ramp->size); + memcpy(monitor->null.ramp.green, ramp->green, sizeof(short) * ramp->size); + memcpy(monitor->null.ramp.blue, ramp->blue, sizeof(short) * ramp->size); +} + |