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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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docs/window.dox
+20 -17
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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`,
`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`
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
buffers.
buffers. `GLFW_DONT_CARE` means the application has no preference.
The `GLFW_STEREO` hint specifies whether to use stereoscopic rendering.
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
sRGB capable.
@@ -201,19 +204,19 @@ a robustness strategy.
| `GLFW_VISIBLE` | `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_RED_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_GREEN_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_BLUE_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_ALPHA_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_DEPTH_BITS` | 24 | 0 to `INT_MAX` |
| `GLFW_STENCIL_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_ACCUM_RED_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_ACCUM_GREEN_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_ACCUM_BLUE_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_ACCUM_ALPHA_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_AUX_BUFFERS` | 0 | 0 to `INT_MAX` |
| `GLFW_SAMPLES` | 0 | 0 to `INT_MAX` |
| `GLFW_REFRESH_RATE` | 0 | 0 to `INT_MAX` |
| `GLFW_RED_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_GREEN_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_BLUE_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_ALPHA_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_DEPTH_BITS` | 24 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_STENCIL_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_ACCUM_RED_BITS` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_ACCUM_GREEN_BITS` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_ACCUM_BLUE_BITS` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_ACCUM_ALPHA_BITS` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_AUX_BUFFERS` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_SAMPLES` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_REFRESH_RATE` | 0 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
| `GLFW_STEREO` | `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` |