From 854e2eaf9a2ab150a820b28944363b6212ec7aae Mon Sep 17 00:00:00 2001
From: richard <none@none>
Date: Wed, 11 Nov 2009 12:01:17 -0800
Subject: [PATCH] added viewports to LLRenderTarget to speed up animation of
sidetray
reviewed by Leyla
---
indra/llrender/llrendertarget.cpp | 52 ++++++++++++++++++++++++++++---
indra/llrender/llrendertarget.h | 7 +++++
indra/newview/pipeline.cpp | 29 ++++++++++++-----
indra/newview/pipeline.h | 2 +-
4 files changed, 78 insertions(+), 12 deletions(-)
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index d9520b3bf63..f0df3bcf90c 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -61,8 +61,11 @@ BOOL LLRenderTarget::sUseFBO = FALSE;
LLRenderTarget::LLRenderTarget() :
mResX(0),
mResY(0),
+ mViewportWidth(0),
+ mViewportHeight(0),
mTex(0),
mFBO(0),
+ mColorFmt(0),
mDepth(0),
mStencil(0),
mUseDepth(FALSE),
@@ -86,13 +89,31 @@ void LLRenderTarget::setSampleBuffer(LLMultisampleBuffer* buffer)
void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth, BOOL stencil, LLTexUnit::eTextureType usage, BOOL use_fbo)
{
+ // only reallocate if something changed
+ if (mResX == resx
+ && mResY == resy
+ && mUseDepth == depth
+ && mStencil == stencil
+ && mUsage == usage
+ && (mFBO != 0) == ((sUseFBO || use_fbo) && gGLManager.mHasFramebufferObject)
+ && mColorFmt == color_fmt)
+ {
+ // nothing to do
+ return;
+ }
+
stop_glerror();
mResX = resx;
mResY = resy;
+ // default viewport to entire texture
+ mViewportWidth = mResX;
+ mViewportHeight = mResY;
mStencil = stencil;
mUsage = usage;
mUseDepth = depth;
+ mFBO = 0;
+ mColorFmt = color_fmt;
release();
@@ -312,7 +333,7 @@ void LLRenderTarget::bindTarget()
}
}
- glViewport(0, 0, mResX, mResY);
+ glViewport(0, 0, mViewportWidth, mViewportHeight);
sBoundTarget = this;
}
@@ -515,12 +536,18 @@ BOOL LLRenderTarget::isComplete() const
return (!mTex.empty() || mDepth) ? TRUE : FALSE;
}
+void LLRenderTarget::setViewport(U32 width, U32 height)
+{
+ mViewportWidth = llmin(width, mResX);
+ mViewportHeight = llmin(height, mResY);
+}
+
void LLRenderTarget::getViewport(S32* viewport)
{
viewport[0] = 0;
viewport[1] = 0;
- viewport[2] = mResX;
- viewport[3] = mResY;
+ viewport[2] = mViewportWidth;
+ viewport[3] = mViewportHeight;
}
//==================================================
@@ -581,7 +608,7 @@ void LLMultisampleBuffer::bindTarget(LLRenderTarget* ref)
check_framebuffer_status();
- glViewport(0, 0, mResX, mResY);
+ glViewport(0, 0, mViewportWidth, mViewportHeight);
sBoundTarget = this;
}
@@ -593,13 +620,30 @@ void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth
void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth, BOOL stencil, LLTexUnit::eTextureType usage, BOOL use_fbo, U32 samples )
{
+ if (mResX == resx
+ && mResY == resy
+ && mUseDepth == depth
+ && mStencil == stencil
+ && mUsage == usage
+ && (mFBO != 0) == ((sUseFBO || use_fbo) && gGLManager.mHasFramebufferObject)
+ && mColorFmt == color_fmt
+ && mSamples == samples)
+ {
+ // nothing to do
+ return;
+ }
+
stop_glerror();
mResX = resx;
mResY = resy;
+ mViewportWidth = mResX;
+ mViewportHeight = mResY;
mUsage = usage;
mUseDepth = depth;
mStencil = stencil;
+ mFBO = 0;
+ mColorFmt = color_fmt;
releaseSampleBuffer();
diff --git a/indra/llrender/llrendertarget.h b/indra/llrender/llrendertarget.h
index b7ebfc8f7f6..125747424c0 100644
--- a/indra/llrender/llrendertarget.h
+++ b/indra/llrender/llrendertarget.h
@@ -107,6 +107,9 @@ class LLRenderTarget
//uses scissor rect if in copy-to-texture mode
void clear(U32 mask = 0xFFFFFFFF);
+ // override default viewport to a smaller size
+ void setViewport(U32 width, U32 height);
+
//get applied viewport
void getViewport(S32* viewport);
@@ -150,12 +153,16 @@ class LLRenderTarget
friend class LLMultisampleBuffer;
U32 mResX;
U32 mResY;
+ U32 mViewportWidth;
+ U32 mViewportHeight;
std::vector<U32> mTex;
U32 mFBO;
+ U32 mColorFmt;
U32 mDepth;
BOOL mStencil;
BOOL mUseDepth;
BOOL mRenderDepth;
+
LLTexUnit::eTextureType mUsage;
U32 mSamples;
LLMultisampleBuffer* mSampleBuffer;
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index ba1732bc922..68410aca5d1 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -512,16 +512,18 @@ void LLPipeline::resizeScreenTexture()
LLFastTimer ft(FTM_RESIZE_SCREEN_TEXTURE);
if (gPipeline.canUseVertexShaders() && assertInitialized())
{
- GLuint resX = gViewerWindow->getWorldViewWidth();
- GLuint resY = gViewerWindow->getWorldViewHeight();
+ GLuint resX = gViewerWindow->getWindowDisplayWidth();
+ GLuint resY = gViewerWindow->getWindowDisplayHeight();
+ GLuint view_width = gViewerWindow->getWorldViewWidth();
+ GLuint view_height = gViewerWindow->getWorldViewHeight();
- allocateScreenBuffer(resX,resY);
+ allocateScreenBuffer(resX, resY, view_width, view_height);
llinfos << "RESIZED SCREEN TEXTURE: " << resX << "x" << resY << llendl;
}
}
-void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
+void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 viewport_width, U32 viewport_height)
{
U32 samples = gSavedSettings.getU32("RenderFSAASamples");
@@ -542,18 +544,24 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
//allocate deferred rendering color buffers
mDeferredScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
mDeferredDepth.allocate(resX, resY, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+ mDeferredScreen.setViewport(viewport_width, viewport_height);
+ mDeferredDepth.setViewport(viewport_width, viewport_height);
addDeferredAttachments(mDeferredScreen);
mScreen.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
mEdgeMap.allocate(resX, resY, GL_ALPHA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+ mScreen.setViewport(viewport_width, viewport_height);
+ mEdgeMap.setViewport(viewport_width, viewport_height);
for (U32 i = 0; i < 3; i++)
{
mDeferredLight[i].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+ mDeferredLight[i].setViewport(viewport_width, viewport_height);
}
for (U32 i = 0; i < 2; i++)
{
mGIMapPost[i].allocate(resX,resY, GL_RGB, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+ mGIMapPost[i].setViewport(viewport_width, viewport_height);
}
F32 scale = gSavedSettings.getF32("RenderShadowResolutionScale");
@@ -561,6 +569,7 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
for (U32 i = 0; i < 4; i++)
{
mShadow[i].allocate(U32(resX*scale),U32(resY*scale), 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+ mShadow[i].setViewport(viewport_width, viewport_height);
}
@@ -570,6 +579,7 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
for (U32 i = 4; i < 6; i++)
{
mShadow[i].allocate(width, height, 0, TRUE, FALSE);
+ mShadow[i].setViewport(viewport_width, viewport_height);
}
@@ -577,16 +587,19 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
width = nhpo2(resX)/2;
height = nhpo2(resY)/2;
mLuminanceMap.allocate(width,height, GL_RGBA, FALSE, FALSE);
+ mLuminanceMap.setViewport(viewport_width, viewport_height);
}
else
{
mScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+ mScreen.setViewport(viewport_width, viewport_height);
}
if (gGLManager.mHasFramebufferMultisample && samples > 1)
{
mSampleBuffer.allocate(resX,resY,GL_RGBA,TRUE,TRUE,LLTexUnit::TT_RECT_TEXTURE,FALSE,samples);
+ mSampleBuffer.setViewport(viewport_width, viewport_height);
mScreen.setSampleBuffer(&mSampleBuffer);
if (LLPipeline::sRenderDeferred)
@@ -698,8 +711,10 @@ void LLPipeline::createGLBuffers()
stop_glerror();
- GLuint resX = gViewerWindow->getWorldViewWidth();
- GLuint resY = gViewerWindow->getWorldViewHeight();
+ GLuint resX = gViewerWindow->getWindowDisplayWidth();
+ GLuint resY = gViewerWindow->getWindowDisplayHeight();
+ GLuint viewport_width = gViewerWindow->getWorldViewWidth();
+ GLuint viewport_height = gViewerWindow->getWorldViewHeight();
if (LLPipeline::sRenderGlow)
{ //screen space glow buffers
@@ -711,7 +726,7 @@ void LLPipeline::createGLBuffers()
mGlow[i].allocate(512,glow_res,GL_RGBA,FALSE,FALSE);
}
- allocateScreenBuffer(resX,resY);
+ allocateScreenBuffer(resX,resY, viewport_width, viewport_height);
}
if (sRenderDeferred)
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index ce50a374050..9193e19bb1a 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -111,7 +111,7 @@ class LLPipeline
void resizeScreenTexture();
void releaseGLBuffers();
void createGLBuffers();
- void allocateScreenBuffer(U32 resX, U32 resY);
+ void allocateScreenBuffer(U32 resX, U32 resY, U32 viewport_width, U32 viewport_height);
void resetVertexBuffers(LLDrawable* drawable);
void setUseVBO(BOOL use_vbo);
--
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