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Diffstat (limited to 'indra/llrender/llrendertarget.cpp')
-rwxr-xr-x[-rw-r--r--]indra/llrender/llrendertarget.cpp82
1 files changed, 61 insertions, 21 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index cc5c232380..5ea8387c04 100644..100755
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -51,11 +51,21 @@ void check_framebuffer_status()
}
bool LLRenderTarget::sUseFBO = false;
+U32 LLRenderTarget::sCurFBO = 0;
+
+
+extern S32 gGLViewport[4];
+
+U32 LLRenderTarget::sCurResX = 0;
+U32 LLRenderTarget::sCurResY = 0;
LLRenderTarget::LLRenderTarget() :
mResX(0),
mResY(0),
mFBO(0),
+ mPreviousFBO(0),
+ mPreviousResX(0),
+ mPreviousResY(0),
mDepth(0),
mStencil(0),
mUseDepth(false),
@@ -107,6 +117,9 @@ void LLRenderTarget::resize(U32 resx, U32 resy, U32 color_fmt)
bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo, S32 samples)
{
+ resx = llmin(resx, (U32) gGLManager.mGLMaxTextureSize);
+ resy = llmin(resy, (U32) gGLManager.mGLMaxTextureSize);
+
stop_glerror();
release();
stop_glerror();
@@ -146,7 +159,7 @@ bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, boo
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
stop_glerror();
}
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
}
stop_glerror();
@@ -163,10 +176,19 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt)
}
U32 offset = mTex.size();
- if (offset >= 4 ||
- (offset > 0 && (mFBO == 0 || !gGLManager.mHasDrawBuffers)))
+
+ if( offset >= 4 )
{
- llerrs << "Too many color attachments!" << llendl;
+ llwarns << "Too many color attachments" << llendl;
+ llassert( offset < 4 );
+ return false;
+ }
+ if( offset > 0 && (mFBO == 0 || !gGLManager.mHasDrawBuffers) )
+ {
+ llwarns << "FBO not used or no drawbuffers available; mFBO=" << (U32)mFBO << " gGLManager.mHasDrawBuffers=" << (U32)gGLManager.mHasDrawBuffers << llendl;
+ llassert( mFBO != 0 );
+ llassert( gGLManager.mHasDrawBuffers );
+ return false;
}
U32 tex;
@@ -224,18 +246,21 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt)
check_framebuffer_status();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
}
mTex.push_back(tex);
mInternalFormat.push_back(color_fmt);
+#if !LL_DARWIN
if (gDebugGL)
{ //bind and unbind to validate target
bindTarget();
flush();
}
-
+#endif
+
+
return true;
}
@@ -313,7 +338,7 @@ void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target)
check_framebuffer_status();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
target.mUseDepth = true;
}
@@ -378,7 +403,10 @@ void LLRenderTarget::bindTarget()
{
stop_glerror();
+ mPreviousFBO = sCurFBO;
glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
+ sCurFBO = mFBO;
+
stop_glerror();
if (gGLManager.mHasDrawBuffers)
{ //setup multiple render targets
@@ -400,18 +428,13 @@ void LLRenderTarget::bindTarget()
stop_glerror();
}
+ mPreviousResX = sCurResX;
+ mPreviousResY = sCurResY;
glViewport(0, 0, mResX, mResY);
- sBoundTarget = this;
-}
+ sCurResX = mResX;
+ sCurResY = mResY;
-// static
-void LLRenderTarget::unbindTarget()
-{
- if (gGLManager.mHasFramebufferObject)
- {
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
- }
- sBoundTarget = NULL;
+ sBoundTarget = this;
}
void LLRenderTarget::clear(U32 mask_in)
@@ -479,7 +502,22 @@ void LLRenderTarget::flush(bool fetch_depth)
else
{
stop_glerror();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, mPreviousFBO);
+ sCurFBO = mPreviousFBO;
+
+ if (mPreviousFBO)
+ {
+ glViewport(0, 0, mPreviousResX, mPreviousResY);
+ sCurResX = mPreviousResX;
+ sCurResY = mPreviousResY;
+ }
+ else
+ {
+ glViewport(gGLViewport[0],gGLViewport[1],gGLViewport[2],gGLViewport[3]);
+ sCurResX = gGLViewport[2];
+ sCurResY = gGLViewport[3];
+ }
+
stop_glerror();
}
}
@@ -509,7 +547,7 @@ void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0,
stop_glerror();
glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, srcX0, srcY0, dstX0, dstY0, dstX1, dstY1);
stop_glerror();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
stop_glerror();
}
else
@@ -526,7 +564,7 @@ void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0,
stop_glerror();
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
stop_glerror();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
stop_glerror();
}
}
@@ -552,7 +590,7 @@ void LLRenderTarget::copyContentsToFramebuffer(LLRenderTarget& source, S32 srcX0
stop_glerror();
glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
stop_glerror();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
stop_glerror();
}
}
@@ -570,3 +608,5 @@ void LLRenderTarget::getViewport(S32* viewport)
viewport[3] = mResY;
}
+
+