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Null: Make platform more conformant

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From upstream: e0c77f71f9.
This commit is contained in:
Luflosi
2020-06-03 23:22:21 +02:00
parent 45d1b978d8
commit d8886edbeb
4 changed files with 503 additions and 72 deletions
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96
glfw/null_monitor.c vendored
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@@ -29,13 +29,45 @@
#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 _glfwPlatformFreeMonitor(_GLFWmonitor* monitor UNUSED)
void _glfwPlatformFreeMonitor(_GLFWmonitor* monitor)
{
_glfwFreeGammaArrays(&monitor->null.ramp);
}
void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor UNUSED, int* xpos UNUSED, int* ypos UNUSED)
@@ -52,26 +84,72 @@ void _glfwPlatformGetMonitorContentScale(_GLFWmonitor* monitor UNUSED,
}
void _glfwPlatformGetMonitorWorkarea(_GLFWmonitor* monitor UNUSED,
int* xpos UNUSED, int* ypos UNUSED,
int* width UNUSED, int* height UNUSED)
int* xpos, int* ypos,
int* width, int* height)
{
const GLFWvidmode mode = getVideoMode();
if (xpos)
*xpos = 10;
if (ypos)
ypos = 0;
if (width)
*width = mode.width;
if (height)
*height = mode.height - 10;
}
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor UNUSED, int* found UNUSED)
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor UNUSED, int* found)
{
return NULL;
GLFWvidmode* mode = calloc(1, sizeof(GLFWvidmode));
*mode = getVideoMode();
*found = 1;
return mode;
}
void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor UNUSED, GLFWvidmode* mode UNUSED)
void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor UNUSED, GLFWvidmode* mode)
{
*mode = getVideoMode();
}
bool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor UNUSED, GLFWgammaramp* ramp UNUSED)
bool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{
return false;
if (!monitor->null.ramp.size)
{
_glfwAllocGammaArrays(&monitor->null.ramp, 256);
for (unsigned int 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 = _glfw_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 true;
}
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor UNUSED, const GLFWgammaramp* ramp UNUSED)
void _glfwPlatformSetGammaRamp(_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);
}