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Added GLFW_DONT_CARE.

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This changes the behavior of framebuffer hints set to zero.  Before,
zero meant that any value was acceptable.  This changes zero to be an
explicit preference and adds GLFW_DONT_CARE to mean that any value is
equally acceptable.

Fixes #70.
This commit is contained in:
Camilla Berglund 2014-04-08 18:57:43 +02:00
parent 25e7ff1196
commit 281013002d
9 changed files with 131 additions and 91 deletions
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1
README.md
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@ -60,6 +60,7 @@ GLFW bundles a number of dependencies in the `deps/` directory.
the client area of a window the client area of a window
- Added `GLFW_AUTO_ICONIFY` for controlling whether full screen windows - Added `GLFW_AUTO_ICONIFY` for controlling whether full screen windows
automatically iconify (and restore the previous video mode) on focus loss automatically iconify (and restore the previous video mode) on focus loss
- Added `GLFW_DONT_CARE` for indicating that any value is acceptable
- Added `GLFW_INCLUDE_ES31` for including the OpenGL ES 3.1 header - Added `GLFW_INCLUDE_ES31` for including the OpenGL ES 3.1 header
- Added *partial and experimental* support for Wayland - Added *partial and experimental* support for Wayland
- Bugfix: The debug context attribute was set from `GL_ARB_debug_output` even - Bugfix: The debug context attribute was set from `GL_ARB_debug_output` even

37
docs/window.dox
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@ -126,19 +126,22 @@ This hint is ignored for windowed mode windows.
The `GLFW_RED_BITS`, `GLFW_GREEN_BITS`, `GLFW_BLUE_BITS`, `GLFW_ALPHA_BITS`, The `GLFW_RED_BITS`, `GLFW_GREEN_BITS`, `GLFW_BLUE_BITS`, `GLFW_ALPHA_BITS`,
`GLFW_DEPTH_BITS` and `GLFW_STENCIL_BITS` hints specify the desired bit `GLFW_DEPTH_BITS` and `GLFW_STENCIL_BITS` hints specify the desired bit
depths of the various components of the default framebuffer. depths of the various components of the default framebuffer. `GLFW_DONT_CARE`
means the application has no preference.
The `GLFW_ACCUM_RED_BITS`, `GLFW_ACCUM_GREEN_BITS`, `GLFW_ACCUM_BLUE_BITS` The `GLFW_ACCUM_RED_BITS`, `GLFW_ACCUM_GREEN_BITS`, `GLFW_ACCUM_BLUE_BITS`
and `GLFW_ACCUM_ALPHA_BITS` hints specify the desired bit depths of the and `GLFW_ACCUM_ALPHA_BITS` hints specify the desired bit depths of the
various components of the accumulation buffer. various components of the accumulation buffer. `GLFW_DONT_CARE` means the
application has no preference.
The `GLFW_AUX_BUFFERS` hint specifies the desired number of auxiliary The `GLFW_AUX_BUFFERS` hint specifies the desired number of auxiliary
buffers. buffers. `GLFW_DONT_CARE` means the application has no preference.
The `GLFW_STEREO` hint specifies whether to use stereoscopic rendering. The `GLFW_STEREO` hint specifies whether to use stereoscopic rendering.
The `GLFW_SAMPLES` hint specifies the desired number of samples to use for The `GLFW_SAMPLES` hint specifies the desired number of samples to use for
multisampling. Zero disables multisampling. multisampling. Zero disables multisampling. `GLFW_DONT_CARE` means the
application has no preference.
The `GLFW_SRGB_CAPABLE` hint specifies whether the framebuffer should be The `GLFW_SRGB_CAPABLE` hint specifies whether the framebuffer should be
sRGB capable. sRGB capable.
@ -201,19 +204,19 @@ a robustness strategy.
| `GLFW_VISIBLE` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` | | `GLFW_VISIBLE` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_DECORATED` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` | | `GLFW_DECORATED` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_AUTO_ICONIFY` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` | | `GLFW_AUTO_ICONIFY` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_RED_BITS` | 8 | 0 to `INT_MAX` | | `GLFW_RED_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_GREEN_BITS` | 8 | 0 to `INT_MAX` | | `GLFW_GREEN_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_BLUE_BITS` | 8 | 0 to `INT_MAX` | | `GLFW_BLUE_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_ALPHA_BITS` | 8 | 0 to `INT_MAX` | | `GLFW_ALPHA_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_DEPTH_BITS` | 24 | 0 to `INT_MAX` | | `GLFW_DEPTH_BITS` | 24 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_STENCIL_BITS` | 8 | 0 to `INT_MAX` | | `GLFW_STENCIL_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_ACCUM_RED_BITS` | 0 | 0 to `INT_MAX` | | `GLFW_ACCUM_RED_BITS` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_ACCUM_GREEN_BITS` | 0 | 0 to `INT_MAX` | | `GLFW_ACCUM_GREEN_BITS` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_ACCUM_BLUE_BITS` | 0 | 0 to `INT_MAX` | | `GLFW_ACCUM_BLUE_BITS` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_ACCUM_ALPHA_BITS` | 0 | 0 to `INT_MAX` | | `GLFW_ACCUM_ALPHA_BITS` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_AUX_BUFFERS` | 0 | 0 to `INT_MAX` | | `GLFW_AUX_BUFFERS` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_SAMPLES` | 0 | 0 to `INT_MAX` | | `GLFW_SAMPLES` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_REFRESH_RATE` | 0 | 0 to `INT_MAX` | | `GLFW_REFRESH_RATE` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_STEREO` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` | | `GLFW_STEREO` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_SRGB_CAPABLE` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` | | `GLFW_SRGB_CAPABLE` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_CLIENT_API` | `GLFW_OPENGL_API` | `GLFW_OPENGL_API` or `GLFW_OPENGL_ES_API` | | `GLFW_CLIENT_API` | `GLFW_OPENGL_API` | `GLFW_OPENGL_API` or `GLFW_OPENGL_ES_API` |

2
include/GLFW/glfw3.h
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@ -546,6 +546,8 @@ extern "C" {
#define GLFW_CONNECTED 0x00040001 #define GLFW_CONNECTED 0x00040001
#define GLFW_DISCONNECTED 0x00040002 #define GLFW_DISCONNECTED 0x00040002
#define GLFW_DONT_CARE -1
/************************************************************************* /*************************************************************************
* GLFW API types * GLFW API types

32
src/context.c
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@ -235,8 +235,11 @@ const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
if (desired->stencilBits > 0 && current->stencilBits == 0) if (desired->stencilBits > 0 && current->stencilBits == 0)
missing++; missing++;
if (desired->auxBuffers > 0 && current->auxBuffers < desired->auxBuffers) if (desired->auxBuffers > 0 &&
current->auxBuffers < desired->auxBuffers)
{
missing += desired->auxBuffers - current->auxBuffers; missing += desired->auxBuffers - current->auxBuffers;
}
if (desired->samples > 0 && current->samples == 0) if (desired->samples > 0 && current->samples == 0)
{ {
@ -254,19 +257,19 @@ const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
{ {
colorDiff = 0; colorDiff = 0;
if (desired->redBits > 0) if (desired->redBits != GLFW_DONT_CARE)
{ {
colorDiff += (desired->redBits - current->redBits) * colorDiff += (desired->redBits - current->redBits) *
(desired->redBits - current->redBits); (desired->redBits - current->redBits);
} }
if (desired->greenBits > 0) if (desired->greenBits != GLFW_DONT_CARE)
{ {
colorDiff += (desired->greenBits - current->greenBits) * colorDiff += (desired->greenBits - current->greenBits) *
(desired->greenBits - current->greenBits); (desired->greenBits - current->greenBits);
} }
if (desired->blueBits > 0) if (desired->blueBits != GLFW_DONT_CARE)
{ {
colorDiff += (desired->blueBits - current->blueBits) * colorDiff += (desired->blueBits - current->blueBits) *
(desired->blueBits - current->blueBits); (desired->blueBits - current->blueBits);
@ -277,60 +280,57 @@ const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
{ {
extraDiff = 0; extraDiff = 0;
if (desired->alphaBits > 0) if (desired->alphaBits != GLFW_DONT_CARE)
{ {
extraDiff += (desired->alphaBits - current->alphaBits) * extraDiff += (desired->alphaBits - current->alphaBits) *
(desired->alphaBits - current->alphaBits); (desired->alphaBits - current->alphaBits);
} }
if (desired->depthBits > 0) if (desired->depthBits != GLFW_DONT_CARE)
{ {
extraDiff += (desired->depthBits - current->depthBits) * extraDiff += (desired->depthBits - current->depthBits) *
(desired->depthBits - current->depthBits); (desired->depthBits - current->depthBits);
} }
if (desired->stencilBits > 0) if (desired->stencilBits != GLFW_DONT_CARE)
{ {
extraDiff += (desired->stencilBits - current->stencilBits) * extraDiff += (desired->stencilBits - current->stencilBits) *
(desired->stencilBits - current->stencilBits); (desired->stencilBits - current->stencilBits);
} }
if (desired->accumRedBits > 0) if (desired->accumRedBits != GLFW_DONT_CARE)
{ {
extraDiff += (desired->accumRedBits - current->accumRedBits) * extraDiff += (desired->accumRedBits - current->accumRedBits) *
(desired->accumRedBits - current->accumRedBits); (desired->accumRedBits - current->accumRedBits);
} }
if (desired->accumGreenBits > 0) if (desired->accumGreenBits != GLFW_DONT_CARE)
{ {
extraDiff += (desired->accumGreenBits - current->accumGreenBits) * extraDiff += (desired->accumGreenBits - current->accumGreenBits) *
(desired->accumGreenBits - current->accumGreenBits); (desired->accumGreenBits - current->accumGreenBits);
} }
if (desired->accumBlueBits > 0) if (desired->accumBlueBits != GLFW_DONT_CARE)
{ {
extraDiff += (desired->accumBlueBits - current->accumBlueBits) * extraDiff += (desired->accumBlueBits - current->accumBlueBits) *
(desired->accumBlueBits - current->accumBlueBits); (desired->accumBlueBits - current->accumBlueBits);
} }
if (desired->accumAlphaBits > 0) if (desired->accumAlphaBits != GLFW_DONT_CARE)
{ {
extraDiff += (desired->accumAlphaBits - current->accumAlphaBits) * extraDiff += (desired->accumAlphaBits - current->accumAlphaBits) *
(desired->accumAlphaBits - current->accumAlphaBits); (desired->accumAlphaBits - current->accumAlphaBits);
} }
if (desired->samples > 0) if (desired->samples != GLFW_DONT_CARE)
{ {
extraDiff += (desired->samples - current->samples) * extraDiff += (desired->samples - current->samples) *
(desired->samples - current->samples); (desired->samples - current->samples);
} }
if (desired->sRGB) if (desired->sRGB && !current->sRGB)
{
if (!current->sRGB)
extraDiff++; extraDiff++;
} }
}
// Figure out if the current one is better than the best one found so far // Figure out if the current one is better than the best one found so far
// Least number of missing buffers is the most important heuristic, // Least number of missing buffers is the most important heuristic,

20
src/internal.h
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@ -197,9 +197,9 @@ struct _GLFWfbconfig
int accumBlueBits; int accumBlueBits;
int accumAlphaBits; int accumAlphaBits;
int auxBuffers; int auxBuffers;
GLboolean stereo; int stereo;
int samples; int samples;
GLboolean sRGB; int sRGB;
// This is defined in the context API's context.h // This is defined in the context API's context.h
_GLFW_PLATFORM_FBCONFIG; _GLFW_PLATFORM_FBCONFIG;
@ -317,19 +317,19 @@ struct _GLFWlibrary
int accumBlueBits; int accumBlueBits;
int accumAlphaBits; int accumAlphaBits;
int auxBuffers; int auxBuffers;
GLboolean stereo; int stereo;
GLboolean resizable; int resizable;
GLboolean visible; int visible;
GLboolean decorated; int decorated;
GLboolean autoIconify; int autoIconify;
int samples; int samples;
GLboolean sRGB; int sRGB;
int refreshRate; int refreshRate;
int api; int api;
int major; int major;
int minor; int minor;
GLboolean forward; int forward;
GLboolean debug; int debug;
int profile; int profile;
int robustness; int robustness;
} hints; } hints;

12
src/monitor.c
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@ -220,15 +220,21 @@ const GLFWvidmode* _glfwChooseVideoMode(_GLFWmonitor* monitor,
{ {
current = monitor->modes + i; current = monitor->modes + i;
colorDiff = abs((current->redBits + current->greenBits + current->blueBits) - colorDiff = 0;
(desired->redBits + desired->greenBits + desired->blueBits));
if (desired->redBits != GLFW_DONT_CARE)
colorDiff += abs(current->redBits - desired->redBits);
if (desired->greenBits != GLFW_DONT_CARE)
colorDiff += abs(current->greenBits - desired->greenBits);
if (desired->blueBits != GLFW_DONT_CARE)
colorDiff += abs(current->blueBits - desired->blueBits);
sizeDiff = abs((current->width - desired->width) * sizeDiff = abs((current->width - desired->width) *
(current->width - desired->width) + (current->width - desired->width) +
(current->height - desired->height) * (current->height - desired->height) *
(current->height - desired->height)); (current->height - desired->height));
if (desired->refreshRate) if (desired->refreshRate != GLFW_DONT_CARE)
rateDiff = abs(current->refreshRate - desired->refreshRate); rateDiff = abs(current->refreshRate - desired->refreshRate);
else else
rateDiff = UINT_MAX - current->refreshRate; rateDiff = UINT_MAX - current->refreshRate;

54
src/nsgl_context.m
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@ -65,13 +65,6 @@ int _glfwCreateContext(_GLFWwindow* window,
{ {
unsigned int attributeCount = 0; unsigned int attributeCount = 0;
// OS X needs non-zero color size, so set resonable values
int colorBits = fbconfig->redBits + fbconfig->greenBits + fbconfig->blueBits;
if (colorBits == 0)
colorBits = 24;
else if (colorBits < 15)
colorBits = 15;
if (ctxconfig->api == GLFW_OPENGL_ES_API) if (ctxconfig->api == GLFW_OPENGL_ES_API)
{ {
_glfwInputError(GLFW_VERSION_UNAVAILABLE, _glfwInputError(GLFW_VERSION_UNAVAILABLE,
@ -142,34 +135,63 @@ int _glfwCreateContext(_GLFWwindow* window,
ADD_ATTR2(NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core); ADD_ATTR2(NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core);
#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/ #endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
ADD_ATTR2(NSOpenGLPFAColorSize, colorBits); if (fbconfig->redBits != GLFW_DONT_CARE &&
fbconfig->greenBits != GLFW_DONT_CARE &&
fbconfig->blueBits != GLFW_DONT_CARE)
{
int colorBits = fbconfig->redBits +
fbconfig->greenBits +
fbconfig->blueBits;
if (fbconfig->alphaBits > 0) // OS X needs non-zero color size, so set resonable values
if (colorBits == 0)
colorBits = 24;
else if (colorBits < 15)
colorBits = 15;
ADD_ATTR2(NSOpenGLPFAColorSize, colorBits);
}
if (fbconfig->alphaBits != GLFW_DONT_CARE)
ADD_ATTR2(NSOpenGLPFAAlphaSize, fbconfig->alphaBits); ADD_ATTR2(NSOpenGLPFAAlphaSize, fbconfig->alphaBits);
if (fbconfig->depthBits > 0) if (fbconfig->depthBits != GLFW_DONT_CARE)
ADD_ATTR2(NSOpenGLPFADepthSize, fbconfig->depthBits); ADD_ATTR2(NSOpenGLPFADepthSize, fbconfig->depthBits);
if (fbconfig->stencilBits > 0) if (fbconfig->stencilBits != GLFW_DONT_CARE)
ADD_ATTR2(NSOpenGLPFAStencilSize, fbconfig->stencilBits); ADD_ATTR2(NSOpenGLPFAStencilSize, fbconfig->stencilBits);
int accumBits = fbconfig->accumRedBits + fbconfig->accumGreenBits + if (fbconfig->accumRedBits != GLFW_DONT_CARE &&
fbconfig->accumBlueBits + fbconfig->accumAlphaBits; fbconfig->accumGreenBits != GLFW_DONT_CARE &&
fbconfig->accumBlueBits != GLFW_DONT_CARE &&
fbconfig->accumAlphaBits != GLFW_DONT_CARE)
{
const int accumBits = fbconfig->accumRedBits +
fbconfig->accumGreenBits +
fbconfig->accumBlueBits +
fbconfig->accumAlphaBits;
if (accumBits > 0)
ADD_ATTR2(NSOpenGLPFAAccumSize, accumBits); ADD_ATTR2(NSOpenGLPFAAccumSize, accumBits);
}
if (fbconfig->auxBuffers > 0) if (fbconfig->auxBuffers != GLFW_DONT_CARE)
ADD_ATTR2(NSOpenGLPFAAuxBuffers, fbconfig->auxBuffers); ADD_ATTR2(NSOpenGLPFAAuxBuffers, fbconfig->auxBuffers);
if (fbconfig->stereo) if (fbconfig->stereo)
ADD_ATTR(NSOpenGLPFAStereo); ADD_ATTR(NSOpenGLPFAStereo);
if (fbconfig->samples > 0) if (fbconfig->samples != GLFW_DONT_CARE)
{
if (fbconfig->samples == 0)
{
ADD_ATTR2(NSOpenGLPFASampleBuffers, 0);
}
else
{ {
ADD_ATTR2(NSOpenGLPFASampleBuffers, 1); ADD_ATTR2(NSOpenGLPFASampleBuffers, 1);
ADD_ATTR2(NSOpenGLPFASamples, fbconfig->samples); ADD_ATTR2(NSOpenGLPFASamples, fbconfig->samples);
} }
}
// NOTE: All NSOpenGLPixelFormats on the relevant cards support sRGB // NOTE: All NSOpenGLPixelFormats on the relevant cards support sRGB
// frambuffer, so there's no need (and no way) to request it // frambuffer, so there's no need (and no way) to request it

44
src/window.c
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@ -32,14 +32,6 @@
#include <stdlib.h> #include <stdlib.h>
// Return the maxiumum of the specified values
//
static int Max(int a, int b)
{
return (a > b) ? a : b;
}
////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////
////// GLFW event API ////// ////// GLFW event API //////
////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////
@ -151,20 +143,20 @@ GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height,
} }
// Set up desired framebuffer config // Set up desired framebuffer config
fbconfig.redBits = Max(_glfw.hints.redBits, 0); fbconfig.redBits = _glfw.hints.redBits;
fbconfig.greenBits = Max(_glfw.hints.greenBits, 0); fbconfig.greenBits = _glfw.hints.greenBits;
fbconfig.blueBits = Max(_glfw.hints.blueBits, 0); fbconfig.blueBits = _glfw.hints.blueBits;
fbconfig.alphaBits = Max(_glfw.hints.alphaBits, 0); fbconfig.alphaBits = _glfw.hints.alphaBits;
fbconfig.depthBits = Max(_glfw.hints.depthBits, 0); fbconfig.depthBits = _glfw.hints.depthBits;
fbconfig.stencilBits = Max(_glfw.hints.stencilBits, 0); fbconfig.stencilBits = _glfw.hints.stencilBits;
fbconfig.accumRedBits = Max(_glfw.hints.accumRedBits, 0); fbconfig.accumRedBits = _glfw.hints.accumRedBits;
fbconfig.accumGreenBits = Max(_glfw.hints.accumGreenBits, 0); fbconfig.accumGreenBits = _glfw.hints.accumGreenBits;
fbconfig.accumBlueBits = Max(_glfw.hints.accumBlueBits, 0); fbconfig.accumBlueBits = _glfw.hints.accumBlueBits;
fbconfig.accumAlphaBits = Max(_glfw.hints.accumAlphaBits, 0); fbconfig.accumAlphaBits = _glfw.hints.accumAlphaBits;
fbconfig.auxBuffers = Max(_glfw.hints.auxBuffers, 0); fbconfig.auxBuffers = _glfw.hints.auxBuffers;
fbconfig.stereo = _glfw.hints.stereo ? GL_TRUE : GL_FALSE; fbconfig.stereo = _glfw.hints.stereo;
fbconfig.samples = Max(_glfw.hints.samples, 0); fbconfig.samples = _glfw.hints.samples;
fbconfig.sRGB = _glfw.hints.sRGB ? GL_TRUE : GL_FALSE; fbconfig.sRGB = _glfw.hints.sRGB;
// Set up desired window config // Set up desired window config
wndconfig.width = width; wndconfig.width = width;
@ -202,10 +194,10 @@ GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height,
// Set up desired video mode // Set up desired video mode
window->videoMode.width = width; window->videoMode.width = width;
window->videoMode.height = height; window->videoMode.height = height;
window->videoMode.redBits = Max(_glfw.hints.redBits, 0); window->videoMode.redBits = _glfw.hints.redBits;
window->videoMode.greenBits = Max(_glfw.hints.greenBits, 0); window->videoMode.greenBits = _glfw.hints.greenBits;
window->videoMode.blueBits = Max(_glfw.hints.blueBits, 0); window->videoMode.blueBits = _glfw.hints.blueBits;
window->videoMode.refreshRate = Max(_glfw.hints.refreshRate, 0); window->videoMode.refreshRate = _glfw.hints.refreshRate;
} }
window->monitor = wndconfig.monitor; window->monitor = wndconfig.monitor;

14
tests/glfwinfo.c
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@ -284,6 +284,20 @@ int main(int argc, char** argv)
if (strategy) if (strategy)
glfwWindowHint(GLFW_CONTEXT_ROBUSTNESS, strategy); glfwWindowHint(GLFW_CONTEXT_ROBUSTNESS, strategy);
glfwWindowHint(GLFW_RED_BITS, GLFW_DONT_CARE);
glfwWindowHint(GLFW_GREEN_BITS, GLFW_DONT_CARE);
glfwWindowHint(GLFW_BLUE_BITS, GLFW_DONT_CARE);
glfwWindowHint(GLFW_ALPHA_BITS, GLFW_DONT_CARE);
glfwWindowHint(GLFW_DEPTH_BITS, GLFW_DONT_CARE);
glfwWindowHint(GLFW_STENCIL_BITS, GLFW_DONT_CARE);
glfwWindowHint(GLFW_ACCUM_RED_BITS, GLFW_DONT_CARE);
glfwWindowHint(GLFW_ACCUM_GREEN_BITS, GLFW_DONT_CARE);
glfwWindowHint(GLFW_ACCUM_BLUE_BITS, GLFW_DONT_CARE);
glfwWindowHint(GLFW_ACCUM_ALPHA_BITS, GLFW_DONT_CARE);
glfwWindowHint(GLFW_AUX_BUFFERS, GLFW_DONT_CARE);
glfwWindowHint(GLFW_SAMPLES, GLFW_DONT_CARE);
glfwWindowHint(GLFW_SRGB_CAPABLE, GLFW_DONT_CARE);
glfwWindowHint(GLFW_VISIBLE, GL_FALSE); glfwWindowHint(GLFW_VISIBLE, GL_FALSE);
window = glfwCreateWindow(200, 200, "Version", NULL, NULL); window = glfwCreateWindow(200, 200, "Version", NULL, NULL);