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Cleanup

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This commit is contained in:
Camilla Berglund 2016-07-19 00:14:37 +02:00
parent ac09592355
commit 52d801bd19
1 changed files with 40 additions and 56 deletions
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92
src/context.c
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@ -34,56 +34,6 @@
#include <stdio.h>
// Parses the client API version string and extracts the version number
//
static GLFWbool parseVersionString(int* api, int* major, int* minor, int* rev)
{
int i;
_GLFWwindow* window;
const char* version;
const char* prefixes[] =
{
"OpenGL ES-CM ",
"OpenGL ES-CL ",
"OpenGL ES ",
NULL
};
*api = GLFW_OPENGL_API;
window = _glfwPlatformGetCurrentContext();
version = (const char*) window->context.GetString(GL_VERSION);
if (!version)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Client API version string retrieval is broken");
return GLFW_FALSE;
}
for (i = 0; prefixes[i]; i++)
{
const size_t length = strlen(prefixes[i]);
if (strncmp(version, prefixes[i], length) == 0)
{
version += length;
*api = GLFW_OPENGL_ES_API;
break;
}
}
if (!sscanf(version, "%d.%d.%d", major, minor, rev))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"No version found in client API version string");
return GLFW_FALSE;
}
return GLFW_TRUE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
@ -369,7 +319,21 @@ const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
GLFWbool _glfwRefreshContextAttribs(const _GLFWctxconfig* ctxconfig)
{
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
int i;
_GLFWwindow* window;
const char* version;
const char* prefixes[] =
{
"OpenGL ES-CM ",
"OpenGL ES-CL ",
"OpenGL ES ",
NULL
};
window = _glfwPlatformGetCurrentContext();
window->context.source = ctxconfig->source;
window->context.client = GLFW_OPENGL_API;
window->context.GetIntegerv = (PFNGLGETINTEGERVPROC)
window->context.getProcAddress("glGetIntegerv");
@ -381,16 +345,36 @@ GLFWbool _glfwRefreshContextAttribs(const _GLFWctxconfig* ctxconfig)
return GLFW_FALSE;
}
if (!parseVersionString(&window->context.client,
version = (const char*) window->context.GetString(GL_VERSION);
if (!version)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Client API version string retrieval is broken");
return GLFW_FALSE;
}
for (i = 0; prefixes[i]; i++)
{
const size_t length = strlen(prefixes[i]);
if (strncmp(version, prefixes[i], length) == 0)
{
version += length;
window->context.client = GLFW_OPENGL_ES_API;
break;
}
}
if (!sscanf(version, "%d.%d.%d",
&window->context.major,
&window->context.minor,
&window->context.revision))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"No version found in client API version string");
return GLFW_FALSE;
}
window->context.source = ctxconfig->source;
if (window->context.major < ctxconfig->major ||
(window->context.major == ctxconfig->major &&
window->context.minor < ctxconfig->minor))