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Handle glGetIntermalformativ being missing

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* Fixes a reported crash.
* This function was only core in 4.2 so it's perfectly valid for it to
  be missing - if so then we just skip using it to determine the size of
  a format and default to 8-bit colour or 32-bit depth/stencil formats.
This commit is contained in:
baldurk
2015-04-21 20:37:00 +02:00
parent 49b2cfc8f6
commit 3701b46611
1 changed files with 11 additions and 2 deletions
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renderdoc/driver/gl/gl_resources.cpp
+11 -2
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@@ -390,8 +390,17 @@ GLenum GetSizedFormat(const GLHookSet &gl, GLenum target, GLenum internalFormat)
}
GLint red, depth;
gl.glGetInternalformativ(target, internalFormat, eGL_INTERNALFORMAT_RED_SIZE, sizeof(GLint), &red);
gl.glGetInternalformativ(target, internalFormat, eGL_INTERNALFORMAT_DEPTH_SIZE, sizeof(GLint), &depth);
if(gl.glGetInternalformativ)
{
gl.glGetInternalformativ(target, internalFormat, eGL_INTERNALFORMAT_RED_SIZE, sizeof(GLint), &red);
gl.glGetInternalformativ(target, internalFormat, eGL_INTERNALFORMAT_DEPTH_SIZE, sizeof(GLint), &depth);
}
else
{
// without the query function, just default to sensible defaults
red = 8;
depth = 32;
}
switch(internalFormat)
{