diff options
Diffstat (limited to 'vendor/github.com/go-gl/glfw/v3.3/glfw/glfw/src/wl_monitor.c')
| -rw-r--r-- | vendor/github.com/go-gl/glfw/v3.3/glfw/glfw/src/wl_monitor.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/vendor/github.com/go-gl/glfw/v3.3/glfw/glfw/src/wl_monitor.c b/vendor/github.com/go-gl/glfw/v3.3/glfw/glfw/src/wl_monitor.c new file mode 100644 index 0000000..d1448a2 --- /dev/null +++ b/vendor/github.com/go-gl/glfw/v3.3/glfw/glfw/src/wl_monitor.c @@ -0,0 +1,231 @@ +//======================================================================== +// GLFW 3.3 Wayland - www.glfw.org +//------------------------------------------------------------------------ +// Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com> +// +// 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. +// +//======================================================================== +// It is fine to use C99 in this file because it will not be built with VS +//======================================================================== + +#include "internal.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <math.h> + + +static void outputHandleGeometry(void* data, + struct wl_output* output, + int32_t x, + int32_t y, + int32_t physicalWidth, + int32_t physicalHeight, + int32_t subpixel, + const char* make, + const char* model, + int32_t transform) +{ + struct _GLFWmonitor *monitor = data; + + monitor->wl.x = x; + monitor->wl.y = y; + monitor->widthMM = physicalWidth; + monitor->heightMM = physicalHeight; + + snprintf(monitor->name, sizeof(monitor->name), "%s %s", make, model); +} + +static void outputHandleMode(void* data, + struct wl_output* output, + uint32_t flags, + int32_t width, + int32_t height, + int32_t refresh) +{ + struct _GLFWmonitor *monitor = data; + GLFWvidmode mode; + + mode.width = width; + mode.height = height; + mode.redBits = 8; + mode.greenBits = 8; + mode.blueBits = 8; + mode.refreshRate = (int) round(refresh / 1000.0); + + monitor->modeCount++; + monitor->modes = + realloc(monitor->modes, monitor->modeCount * sizeof(GLFWvidmode)); + monitor->modes[monitor->modeCount - 1] = mode; + + if (flags & WL_OUTPUT_MODE_CURRENT) + monitor->wl.currentMode = monitor->modeCount - 1; +} + +static void outputHandleDone(void* data, struct wl_output* output) +{ + struct _GLFWmonitor *monitor = data; + + if (monitor->widthMM <= 0 || monitor->heightMM <= 0) + { + // If Wayland does not provide a physical size, assume the default 96 DPI + const GLFWvidmode* mode = &monitor->modes[monitor->wl.currentMode]; + monitor->widthMM = (int) (mode->width * 25.4f / 96.f); + monitor->heightMM = (int) (mode->height * 25.4f / 96.f); + } + + _glfwInputMonitor(monitor, GLFW_CONNECTED, _GLFW_INSERT_LAST); +} + +static void outputHandleScale(void* data, + struct wl_output* output, + int32_t factor) +{ + struct _GLFWmonitor *monitor = data; + + monitor->wl.scale = factor; +} + +static const struct wl_output_listener outputListener = { + outputHandleGeometry, + outputHandleMode, + outputHandleDone, + outputHandleScale, +}; + + +////////////////////////////////////////////////////////////////////////// +////// GLFW internal API ////// +////////////////////////////////////////////////////////////////////////// + +void _glfwAddOutputWayland(uint32_t name, uint32_t version) +{ + _GLFWmonitor *monitor; + struct wl_output *output; + + if (version < 2) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Unsupported output interface version"); + return; + } + + // The actual name of this output will be set in the geometry handler. + monitor = _glfwAllocMonitor("", 0, 0); + + output = wl_registry_bind(_glfw.wl.registry, + name, + &wl_output_interface, + 2); + if (!output) + { + _glfwFreeMonitor(monitor); + return; + } + + monitor->wl.scale = 1; + monitor->wl.output = output; + monitor->wl.name = name; + + wl_output_add_listener(output, &outputListener, monitor); +} + + +////////////////////////////////////////////////////////////////////////// +////// GLFW platform API ////// +////////////////////////////////////////////////////////////////////////// + +void _glfwPlatformFreeMonitor(_GLFWmonitor* monitor) +{ + if (monitor->wl.output) + wl_output_destroy(monitor->wl.output); +} + +void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos) +{ + if (xpos) + *xpos = monitor->wl.x; + if (ypos) + *ypos = monitor->wl.y; +} + +void _glfwPlatformGetMonitorContentScale(_GLFWmonitor* monitor, + float* xscale, float* yscale) +{ + if (xscale) + *xscale = (float) monitor->wl.scale; + if (yscale) + *yscale = (float) monitor->wl.scale; +} + +void _glfwPlatformGetMonitorWorkarea(_GLFWmonitor* monitor, + int* xpos, int* ypos, + int* width, int* height) +{ + if (xpos) + *xpos = monitor->wl.x; + if (ypos) + *ypos = monitor->wl.y; + if (width) + *width = monitor->modes[monitor->wl.currentMode].width; + if (height) + *height = monitor->modes[monitor->wl.currentMode].height; +} + +GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found) +{ + *found = monitor->modeCount; + return monitor->modes; +} + +void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode) +{ + *mode = monitor->modes[monitor->wl.currentMode]; +} + +GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) +{ + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Gamma ramp access is not available"); + return GLFW_FALSE; +} + +void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, + const GLFWgammaramp* ramp) +{ + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Gamma ramp access is not available"); +} + + +////////////////////////////////////////////////////////////////////////// +////// GLFW native API ////// +////////////////////////////////////////////////////////////////////////// + +GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* handle) +{ + _GLFWmonitor* monitor = (_GLFWmonitor*) handle; + _GLFW_REQUIRE_INIT_OR_RETURN(NULL); + return monitor->wl.output; +} + |