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Also display graphics card information in the popup message when GL2 isn't supported.

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This commit is contained in:
Alex Szpakowski
2015-08-20 22:43:15 -03:00
parent 4daa190513
commit d79d96a8f2
1 changed files with 12 additions and 2 deletions
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src/modules/window/sdl/Window.cpp
+12 -2
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@@ -137,7 +137,9 @@ bool Window::checkGLVersion(const ContextAttribs &attribs, std::string &outversi
typedef unsigned char GLubyte;
typedef unsigned int GLenum;
typedef const GLubyte *(APIENTRY *glGetStringPtr)(GLenum name);
const GLenum GL_VERSION_ENUM = 0x1F02;
const GLenum GL_VENDOR_ENUM = 0x1F00;
const GLenum GL_RENDERER_ENUM = 0x1F01;
const GLenum GL_VERSION_ENUM = 0x1F02;
// We don't have OpenGL headers or an automatic OpenGL function loader in
// this module, so we have to get the glGetString function pointer ourselves.
@@ -151,6 +153,14 @@ bool Window::checkGLVersion(const ContextAttribs &attribs, std::string &outversi
outversion = glversion;
const char *glrenderer = (const char *) glGetStringFunc(GL_RENDERER_ENUM);
if (glrenderer)
outversion += " - " + std::string(glrenderer);
const char *glvendor = (const char *) glGetStringFunc(GL_VENDOR_ENUM);
if (glvendor)
outversion += " (" + std::string(glvendor) + ")";
int glmajor = 0;
int glminor = 0;
@@ -358,7 +368,7 @@ bool Window::createWindowAndContext(int x, int y, int w, int h, Uint32 windowfla
std::string message = "This program requires a graphics card and video drivers which support OpenGL 2.1 or OpenGL ES 2.";
if (!glversion.empty())
message += " \n(Detected OpenGL version: " + glversion + ")";
message += " \n\nDetected OpenGL version: " + glversion;
std::cerr << title << std::endl << message << std::endl;