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GLX: added swap interval.

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This commit is contained in:
bkaradzic 2013-04-26 23:43:31 -07:00
parent 52079f1d49
commit 8711d3d3a3
4 changed files with 62 additions and 31 deletions
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30
src/glcontext_glx.cpp
View file

@ -7,6 +7,8 @@
#if (BGFX_CONFIG_RENDERER_OPENGLES2|BGFX_CONFIG_RENDERER_OPENGLES3|BGFX_CONFIG_RENDERER_OPENGL)
# include "renderer_gl.h"
# define GLX_GLXEXT_PROTOTYPES
# include <glx/glxext.h>
# if BX_PLATFORM_LINUX
@ -39,6 +41,12 @@ namespace bgfx
, minor
);
int32_t screen = DefaultScreen(s_display);
const char* extensions = glXQueryExtensionsString(s_display, screen);
BX_TRACE("GLX extensions:");
dumpExtensions(extensions);
const int attrsGlx[] =
{
GLX_RENDER_TYPE, GLX_RGBA_BIT,
@ -57,7 +65,7 @@ namespace bgfx
GLXFBConfig bestConfig = NULL;
int numConfigs;
GLXFBConfig* configs = glXChooseFBConfig(s_display, DefaultScreen(s_display), attrsGlx, &numConfigs);
GLXFBConfig* configs = glXChooseFBConfig(s_display, screen, attrsGlx, &numConfigs);
BX_TRACE("glX num configs %d", numConfigs);
@ -113,8 +121,7 @@ namespace bgfx
XFree(visualInfo);
#if BGFX_CONFIG_RENDERER_OPENGL >= 31
typedef GLXContext (*glXCreateContextAttribsARBProc)(Display*, GLXFBConfig, GLXContext, Bool, const int*);
glXCreateContextAttribsARBProc glXCreateContextAttribsARB = (glXCreateContextAttribsARBProc)glXGetProcAddress((const GLubyte*)"glXCreateContextAttribsARB");
PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB = (PFNGLXCREATECONTEXTATTRIBSARBPROC)glXGetProcAddress( (const GLubyte*)"glXCreateContextAttribsARB");
if (NULL != glXCreateContextAttribsARB)
{
BX_TRACE("Create GL 3.1 context.");
@ -142,7 +149,24 @@ namespace bgfx
import();
PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)glXGetProcAddress( (const GLubyte*)"glXSwapIntervalEXT");
if (NULL != glXSwapIntervalEXT)
{
BX_TRACE("Using glXSwapIntervalEXT.");
glXSwapIntervalEXT(s_display, 0, 0);
}
else
{
PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)glXGetProcAddress( (const GLubyte*)"glXSwapIntervalSGI");
if (NULL != glXSwapIntervalSGI)
{
BX_TRACE("Using glXSwapIntervalSGI.");
glXSwapIntervalSGI(0);
}
}
glXMakeCurrent(s_display, s_window, m_context);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glXSwapBuffers(s_display, s_window);

29
src/glcontext_wgl.cpp
View file

@ -120,34 +120,9 @@ namespace bgfx
if (NULL != wglGetExtensionsStringARB)
{
BX_TRACE("WGL extensions:");
const char* extensions = (const char*)wglGetExtensionsStringARB(hdc);
if (NULL != extensions)
{
char name[1024];
const char* pos = extensions;
const char* end = extensions + strlen(extensions);
while (pos < end)
{
uint32_t len;
const char* space = strchr(pos, ' ');
if (NULL != space)
{
len = uint32_min(sizeof(name), (uint32_t)(space - pos) );
}
else
{
len = uint32_min(sizeof(name), (uint32_t)strlen(pos) );
}
strncpy(name, pos, len);
name[len] = '\0';
BX_TRACE("\t%s", name);
pos += len+1;
}
}
BX_TRACE("WGL extensions:");
dumpExtensions(extensions);
}
if (NULL != wglChoosePixelFormatARB

30
src/renderer_gl.cpp
View file

@ -186,6 +186,36 @@ namespace bgfx
return 0;
}
void dumpExtensions(const char* _extensions)
{
if (NULL != _extensions)
{
char name[1024];
const char* pos = _extensions;
const char* end = _extensions + strlen(_extensions);
while (pos < end)
{
uint32_t len;
const char* space = strchr(pos, ' ');
if (NULL != space)
{
len = uint32_min(sizeof(name), (uint32_t)(space - pos) );
}
else
{
len = uint32_min(sizeof(name), (uint32_t)strlen(pos) );
}
strncpy(name, pos, len);
name[len] = '\0';
BX_TRACE("\t%s", name);
pos += len+1;
}
}
}
#if BGFX_CONFIG_RENDERER_OPENGL
const char* toString(GLenum _enum)
{

4
src/renderer_gl.h
View file

@ -280,7 +280,9 @@ namespace bgfx
#define GL_IMPORT(_optional, _proto, _func) extern _proto _func
#include "glimports.h"
#undef GL_IMPORT
void dumpExtensions(const char* _extensions);
class ConstantBuffer;
class VaoCache