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-rw-r--r--indra/llrender/llgl.cpp13
-rw-r--r--indra/llrender/llglheaders.h2
-rw-r--r--indra/llrender/llrender.cpp1
-rw-r--r--indra/llrender/llrender.h1
-rw-r--r--indra/llwindow/llwindowwin32.cpp28
-rw-r--r--indra/newview/app_settings/settings.xml11
-rw-r--r--indra/newview/llappviewer.cpp2
7 files changed, 58 insertions, 0 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 771693f2f0..718de346f6 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -249,6 +249,10 @@ PFNGLGETUNIFORMFVARBPROC glGetUniformfvARB = NULL;
PFNGLGETUNIFORMIVARBPROC glGetUniformivARB = NULL;
PFNGLGETSHADERSOURCEARBPROC glGetShaderSourceARB = NULL;
+#if LL_WINDOWS
+PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB = NULL;
+#endif
+
// vertex shader prototypes
#if LL_LINUX || LL_SOLARIS
PFNGLVERTEXATTRIB1DARBPROC glVertexAttrib1dARB = NULL;
@@ -409,6 +413,15 @@ void LLGLManager::initWGL()
LL_WARNS("RenderInit") << "No ARB pixel format extensions" << LL_ENDL;
}
+ if (ExtensionExists("WGL_ARB_create_context",gGLHExts.mSysExts))
+ {
+ GLH_EXT_NAME(wglCreateContextAttribsARB) = (PFNWGLCREATECONTEXTATTRIBSARBPROC)GLH_EXT_GET_PROC_ADDRESS("wglCreateContextAttribsARB");
+ }
+ else
+ {
+ LL_WARNS("RenderInit") << "No ARB create context extensions" << LL_ENDL;
+ }
+
if (ExtensionExists("WGL_EXT_swap_control", gGLHExts.mSysExts))
{
GLH_EXT_NAME(wglSwapIntervalEXT) = (PFNWGLSWAPINTERVALEXTPROC)GLH_EXT_GET_PROC_ADDRESS("wglSwapIntervalEXT");
diff --git a/indra/llrender/llglheaders.h b/indra/llrender/llglheaders.h
index 851a75629e..f319009bc8 100644
--- a/indra/llrender/llglheaders.h
+++ b/indra/llrender/llglheaders.h
@@ -531,6 +531,8 @@ extern PFNGLSAMPLEMASKIPROC glSampleMaski;
#include "GL/glext.h"
#include "GL/glh_extensions.h"
+// WGL_ARB_create_context
+extern PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
// GL_ARB_vertex_buffer_object
extern PFNGLBINDBUFFERARBPROC glBindBufferARB;
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index f0d59d0eaf..efeb7709a4 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -47,6 +47,7 @@ S32 gGLViewport[4];
U32 LLRender::sUICalls = 0;
U32 LLRender::sUIVerts = 0;
U32 LLTexUnit::sWhiteTexture = 0;
+bool LLRender::sGLCoreProfile = false;
static const U32 LL_NUM_TEXTURE_LAYERS = 32;
static const U32 LL_NUM_LIGHT_UNITS = 8;
diff --git a/indra/llrender/llrender.h b/indra/llrender/llrender.h
index 7d636060f5..44d9ec1f15 100644
--- a/indra/llrender/llrender.h
+++ b/indra/llrender/llrender.h
@@ -428,6 +428,7 @@ public:
public:
static U32 sUICalls;
static U32 sUIVerts;
+ static bool sGLCoreProfile;
private:
friend class LLLightState;
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index 1239e2d40b..2ba14f8f6e 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -1122,6 +1122,34 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
gGLManager.initWGL();
+ if (wglCreateContextAttribsARB && LLRender::sGLCoreProfile)
+ {
+ S32 attribs[] =
+ {
+ WGL_CONTEXT_MAJOR_VERSION_ARB, 4,
+ WGL_CONTEXT_MINOR_VERSION_ARB, 0,
+ WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
+ 0
+ };
+
+ HGLRC res = wglCreateContextAttribsARB(mhDC, mhRC, attribs);
+
+ if (!res)
+ {
+ attribs[1] = 3;
+ attribs[3] = 1;
+
+ res = wglCreateContextAttribsARB(mhDC, mhRC, attribs);
+ }
+
+ if (res)
+ {
+ wglMakeCurrent(mhDC, res);
+ wglDeleteContext(mhRC);
+ mhRC = res;
+ }
+ }
+
if (wglChoosePixelFormatARB)
{
// OK, at this point, use the ARB wglChoosePixelFormatsARB function to see if we
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 27598c9aac..32d4097ff3 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -8591,6 +8591,17 @@
<key>Value</key>
<real>1.0</real>
</map>
+ <key>RenderGLCoreProfile</key>
+ <map>
+ <key>Comment</key>
+ <string>Don't use a compatibility profile OpenGL context. Requires restart. Basic shaders MUST be enabled.</string>
+ <key>Persist</key>
+ <integer>1</integer>
+ <key>Type</key>
+ <string>Boolean</string>
+ <key>Value</key>
+ <integer>0</integer>
+ </map>
<key>RenderGlow</key>
<map>
<key>Comment</key>
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 7e597fe5dc..bb0679de74 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -518,6 +518,8 @@ static void settings_to_globals()
LLSurface::setTextureSize(gSavedSettings.getU32("RegionTextureSize"));
+ LLRender::sGLCoreProfile = gSavedSettings.getBOOL("RenderGLCoreProfile");
+
LLImageGL::sGlobalUseAnisotropic = gSavedSettings.getBOOL("RenderAnisotropic");
LLVOVolume::sLODFactor = gSavedSettings.getF32("RenderVolumeLODFactor");
LLVOVolume::sDistanceFactor = 1.f-LLVOVolume::sLODFactor * 0.1f;