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Fixed OpenGL context version checking when OpenGL ES is used.

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--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2015-01-30 04:48:09 -04:00
parent 6c11443a04
commit 84a6dd3b1c
2 changed files with 10 additions and 5 deletions
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src/modules/window/sdl/Window.cpp
+9 -4
View File
@@ -306,7 +306,7 @@ void Window::setGLContextAttributes(const ContextAttribs &attribs)
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, contextflags);
}
bool Window::checkGLVersion(int versionmajor, int versionminor)
bool Window::checkGLVersion(const ContextAttribs &attribs)
{
typedef unsigned char GLubyte;
typedef unsigned int GLenum;
@@ -328,10 +328,15 @@ bool Window::checkGLVersion(int versionmajor, int versionminor)
// glGetString(GL_VERSION) returns a string with the format "major.minor",
// or "OpenGL ES major.minor" in GLES contexts.
if (sscanf(glversion, "%d.%d", &glmajor, &glminor) != 2)
const char *format = "%d.%d";
if (attribs.gles)
format = "OpenGL ES %d.%d";
if (sscanf(glversion, format, &glmajor, &glminor) != 2)
return false;
if (glmajor < versionmajor || (glmajor == versionmajor && glminor < versionminor))
if (glmajor < attribs.versionMajor
|| (glmajor == attribs.versionMajor && glminor < attribs.versionMinor))
return false;
return true;
@@ -424,7 +429,7 @@ bool Window::setContext(int msaa, bool vsync, bool sRGB)
}
// Make sure the context's version is at least what we requested.
if (context && !checkGLVersion(attribs.versionMajor, attribs.versionMinor))
if (context && !checkGLVersion(attribs))
{
SDL_GL_DeleteContext(context);
context = nullptr;
src/modules/window/sdl/Window.h
+1 -1
View File
@@ -113,7 +113,7 @@ private:
void setGLFramebufferAttributes(int msaa, bool sRGB);
void setGLContextAttributes(const ContextAttribs &attribs);
bool checkGLVersion(int versionmajor, int versionminor);
bool checkGLVersion(const ContextAttribs &attribs);
bool setContext(int msaa, bool vsync, bool sRGB);
// Update the saved window settings based on the window's actual state.