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OpenGL UI fixes for on OS X/all platforms

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- Reinitialise textures after SDL_SetVideoMode
 - Fix header includes and remove GLEW setup on OSX
This commit is contained in:
Simon Robertshaw 2016-07-12 21:31:29 +01:00
parent b66ca770da
commit 6cfaeb9c5c
4 changed files with 42 additions and 17 deletions
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2
src/PowderToySDL.cpp
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@ -1043,7 +1043,7 @@ int main(int argc, char * argv[])
SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
//glScaled(2.0f, 2.0f, 1.0f);
#endif
#if defined(OGLI)
#if defined(OGLI) && !defined(MACOSX)
int status = glewInit();
if(status != GLEW_OK)
{

3
src/graphics/Graphics.h
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@ -188,6 +188,9 @@ public:
//OpenGL specific instance variables
GLuint vidBuf, textTexture;
void Reset();
void LoadDefaults();
void InitialiseTextures();
void DestroyTextures();
#endif
//Common graphics methods in Graphics.cpp

50
src/graphics/OpenGLGraphics.cpp
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@ -10,12 +10,36 @@ Graphics::Graphics():
{
// if(gMutex == TMPMUT)
// pthread_mutex_init (&gMutex, NULL);
Reset();
LoadDefaults();
InitialiseTextures();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//Texture for main UI
}
void Graphics::LoadDefaults()
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//glOrtho(0, WINDOWW*sdl_scale, 0, WINDOWH*sdl_scale, -1, 1);
glOrtho(0, WINDOWW*sdl_scale, WINDOWH*sdl_scale, 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
//glRasterPos2i(0, WINDOWH);
glRasterPos2i(0, 0);
glPixelZoom(1, 1);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
void Graphics::InitialiseTextures()
{
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &vidBuf);
@ -39,6 +63,11 @@ Graphics::Graphics():
glDisable(GL_TEXTURE_2D);
}
void Graphics::DestroyTextures()
{
//Todo...
}
void Graphics::Acquire()
{
pthread_mutex_lock(&gMutex);
@ -55,18 +84,9 @@ Graphics::~Graphics()
void Graphics::Reset()
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//glOrtho(0, WINDOWW*sdl_scale, 0, WINDOWH*sdl_scale, -1, 1);
glOrtho(0, WINDOWW*sdl_scale, WINDOWH*sdl_scale, 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
//glRasterPos2i(0, WINDOWH);
glRasterPos2i(0, 0);
glPixelZoom(1, 1);
LoadDefaults();
DestroyTextures();
InitialiseTextures();
}
void Graphics::Clear()

4
src/graphics/OpenGLHeaders.h
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@ -1,6 +1,8 @@
#ifdef MACOSX
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_OS_X_VERSION_10_9
#include <OpenGL/glu.h>
#elif __MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
#include <OpenGL/gl3.h>
#include <OpenGL/glu.h>
#else