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Code Issues Releases Activity

New function GL2D::checkErrors() - prints GL errors codes,

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bugs fixes in GL2D::makeShaderProgram and CButtion class
This commit is contained in:
paracelsus
2013-03-10 20:52:02 +00:00
parent f3e1eca6f7
commit 058d730d56
5 changed files with 24 additions and 8 deletions
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19
client/UIFramework/GL2D.cpp
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@ -68,6 +68,17 @@ static GLuint paletteBitmapProgram = 0;
static GLint coord_uniform = -1;
// Check for errors
void checkErrors(const std::string & place)
{
GLenum err;
while ((err = glGetError()) != GL_NO_ERROR)
{
tlog1 << "GL Error in " << place << "; code = " << err << std::endl;
}
}
// Print out the information log for a shader object
void printInfoLog(PFNGLGETPROGRAMINFOLOGPROC logFunc, GLuint object, GLint status)
{
@ -103,13 +114,15 @@ GLuint makeShaderProgram(const char * frg_src)
// Link the shaders into a complete GLSL program.
glLinkProgram(program_object);
glGetProgramiv(shader_object, GL_LINK_STATUS, &ret);
ret = GL_FALSE;
glGetProgramiv(program_object, GL_LINK_STATUS, &ret);
printInfoLog(glGetProgramInfoLog, program_object, ret);
if (ret == GL_TRUE) return program_object;
}
glDeleteShader(shader_object);
checkErrors("makeShaderProgram");
return 0;
}
@ -160,6 +173,8 @@ void initVideo(ui32 w, ui32 h, bool fullscreen)
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
checkErrors("initVideo - early");
paletteBitmapProgram = makeShaderProgram(frag_palette_bitmap);
if (paletteBitmapProgram == 0)
{
@ -174,6 +189,8 @@ void initVideo(ui32 w, ui32 h, bool fullscreen)
glUniform1i(bitmap_uniform, 0);
glUniform1i(palette_uniform, 1);
checkErrors("initVideo - late");
// unhook OpenGL context from display context/window
#ifdef _WIN32
if (!wglMakeCurrent(NULL, NULL))