glfw/src/mir_monitor.c
Brandon Schaefer c9003b5547 Mir: Get ready for Mir 1.0
Clean up CMake finding and check version.  Change last remaining
deprecations.

Closes #979.
2017-03-30 00:43:03 +02:00

206 lines
7.1 KiB
C

//========================================================================
// GLFW 3.3 Mir - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2014-2017 Brandon Schaefer <brandon.schaefer@canonical.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.
//
//========================================================================
#include "internal.h"
#include <stdlib.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Poll for changes in the set of connected monitors
//
void _glfwPollMonitorsMir(void)
{
int i;
MirDisplayConfig* displayConfig =
mir_connection_create_display_configuration(_glfw.mir.connection);
int numOutputs = mir_display_config_get_num_outputs(displayConfig);
for (i = 0; i < numOutputs; i++)
{
const MirOutput* output = mir_display_config_get_output(displayConfig, i);
MirOutputConnectionState state = mir_output_get_connection_state(output);
bool enabled = mir_output_is_enabled(output);
if (enabled && state == mir_output_connection_state_connected)
{
int widthMM = mir_output_get_physical_width_mm(output);
int heightMM = mir_output_get_physical_height_mm(output);
int x = mir_output_get_position_x(output);
int y = mir_output_get_position_y(output);
int id = mir_output_get_id(output);
size_t currentMode = mir_output_get_current_mode_index(output);
const char* name = mir_output_type_name(mir_output_get_type(output));
_GLFWmonitor* monitor = _glfwAllocMonitor(name,
widthMM,
heightMM);
monitor->mir.x = x;
monitor->mir.y = y;
monitor->mir.outputId = id;
monitor->mir.curMode = currentMode;
monitor->modes = _glfwPlatformGetVideoModes(monitor, &monitor->modeCount);
_glfwInputMonitor(monitor, GLFW_CONNECTED, _GLFW_INSERT_LAST);
}
}
mir_display_config_release(displayConfig);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
{
if (xpos)
*xpos = monitor->mir.x;
if (ypos)
*ypos = monitor->mir.y;
}
static void FillInRGBBitsFromPixelFormat(GLFWvidmode* mode, const MirPixelFormat pf)
{
switch (pf)
{
case mir_pixel_format_rgb_565:
mode->redBits = 5;
mode->greenBits = 6;
mode->blueBits = 5;
break;
case mir_pixel_format_rgba_5551:
mode->redBits = 5;
mode->greenBits = 5;
mode->blueBits = 5;
break;
case mir_pixel_format_rgba_4444:
mode->redBits = 4;
mode->greenBits = 4;
mode->blueBits = 4;
break;
case mir_pixel_format_abgr_8888:
case mir_pixel_format_xbgr_8888:
case mir_pixel_format_argb_8888:
case mir_pixel_format_xrgb_8888:
case mir_pixel_format_bgr_888:
case mir_pixel_format_rgb_888:
default:
mode->redBits = 8;
mode->greenBits = 8;
mode->blueBits = 8;
break;
}
}
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
{
int i;
GLFWvidmode* modes = NULL;
MirDisplayConfig* displayConfig =
mir_connection_create_display_configuration(_glfw.mir.connection);
int numOutputs = mir_display_config_get_num_outputs(displayConfig);
for (i = 0; i < numOutputs; i++)
{
const MirOutput* output = mir_display_config_get_output(displayConfig, i);
int id = mir_output_get_id(output);
if (id != monitor->mir.outputId)
continue;
MirOutputConnectionState state = mir_output_get_connection_state(output);
bool enabled = mir_output_is_enabled(output);
// We must have been disconnected
if (!enabled || state != mir_output_connection_state_connected)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Monitor no longer connected");
return NULL;
}
int numModes = mir_output_get_num_modes(output);
modes = calloc(numModes, sizeof(GLFWvidmode));
for (*found = 0; *found < numModes; (*found)++)
{
const MirOutputMode* mode = mir_output_get_mode(output, *found);
int width = mir_output_mode_get_width(mode);
int height = mir_output_mode_get_height(mode);
double refreshRate = mir_output_mode_get_refresh_rate(mode);
MirPixelFormat currentFormat = mir_output_get_current_pixel_format(output);
modes[*found].width = width;
modes[*found].height = height;
modes[*found].refreshRate = refreshRate;
FillInRGBBitsFromPixelFormat(&modes[*found], currentFormat);
}
break;
}
mir_display_config_release(displayConfig);
return modes;
}
void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
{
*mode = monitor->modes[monitor->mir.curMode];
}
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
}
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI int glfwGetMirMonitor(GLFWmonitor* handle)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(0);
return monitor->mir.outputId;
}