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Diffstat (limited to 'indra/llrender/llrendertarget.cpp')
-rw-r--r--indra/llrender/llrendertarget.cpp100
1 files changed, 73 insertions, 27 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index ef2a7395da..c1b96a43da 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -51,12 +51,13 @@ void check_framebuffer_status()
}
bool LLRenderTarget::sUseFBO = false;
+U32 LLRenderTarget::sCurFBO = 0;
LLRenderTarget::LLRenderTarget() :
mResX(0),
mResY(0),
- mTex(0),
mFBO(0),
+ mPreviousFBO(0),
mDepth(0),
mStencil(0),
mUseDepth(false),
@@ -70,8 +71,47 @@ LLRenderTarget::~LLRenderTarget()
release();
}
+void LLRenderTarget::resize(U32 resx, U32 resy, U32 color_fmt)
+{
+ //for accounting, get the number of pixels added/subtracted
+ S32 pix_diff = (resx*resy)-(mResX*mResY);
+
+ mResX = resx;
+ mResY = resy;
+
+ for (U32 i = 0; i < mTex.size(); ++i)
+ { //resize color attachments
+ gGL.getTexUnit(0)->bindManual(mUsage, mTex[i]);
+ LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL, false);
+ sBytesAllocated += pix_diff*4;
+ }
+
+ if (mDepth)
+ { //resize depth attachment
+ if (mStencil)
+ {
+ //use render buffers where stencil buffers are in play
+ glBindRenderbuffer(GL_RENDERBUFFER, mDepth);
+ glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, mResX, mResY);
+ glBindRenderbuffer(GL_RENDERBUFFER, 0);
+ }
+ else
+ {
+ gGL.getTexUnit(0)->bindManual(mUsage, mDepth);
+ U32 internal_type = LLTexUnit::getInternalType(mUsage);
+ LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT24, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL, false);
+ }
+
+ sBytesAllocated += pix_diff*4;
+ }
+}
+
+
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) 4096);
+ resy = llmin(resy, (U32) 4096);
+
stop_glerror();
release();
stop_glerror();
@@ -111,7 +151,7 @@ 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();
@@ -128,14 +168,23 @@ 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;
- LLImageGL::generateTextures(1, &tex);
+ LLImageGL::generateTextures(mUsage, color_fmt, 1, &tex);
gGL.getTexUnit(0)->bindManual(mUsage, tex);
stop_glerror();
@@ -143,7 +192,7 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt)
{
clear_glerror();
- LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+ LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL, false);
if (glGetError() != GL_NO_ERROR)
{
llwarns << "Could not allocate color buffer for render target." << llendl;
@@ -189,10 +238,11 @@ 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 (gDebugGL)
{ //bind and unbind to validate target
@@ -217,13 +267,13 @@ bool LLRenderTarget::allocateDepth()
}
else
{
- LLImageGL::generateTextures(1, &mDepth);
+ LLImageGL::generateTextures(mUsage, GL_DEPTH_COMPONENT24, 1, &mDepth);
gGL.getTexUnit(0)->bindManual(mUsage, mDepth);
U32 internal_type = LLTexUnit::getInternalType(mUsage);
stop_glerror();
clear_glerror();
- LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT24, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL);
+ LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT24, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL, false);
gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
}
@@ -277,7 +327,7 @@ void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target)
check_framebuffer_status();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
target.mUseDepth = true;
}
@@ -294,7 +344,7 @@ void LLRenderTarget::release()
}
else
{
- LLImageGL::deleteTextures(1, &mDepth, true);
+ LLImageGL::deleteTextures(mUsage, 0, 0, 1, &mDepth, true);
stop_glerror();
}
mDepth = 0;
@@ -326,8 +376,9 @@ void LLRenderTarget::release()
if (mTex.size() > 0)
{
sBytesAllocated -= mResX*mResY*4*mTex.size();
- LLImageGL::deleteTextures(mTex.size(), &mTex[0], true);
+ LLImageGL::deleteTextures(mUsage, mInternalFormat[0], 0, mTex.size(), &mTex[0], true);
mTex.clear();
+ mInternalFormat.clear();
}
mResX = mResY = 0;
@@ -339,9 +390,13 @@ void LLRenderTarget::bindTarget()
{
if (mFBO)
{
+ mPreviousFBO = sCurFBO;
+
stop_glerror();
glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
+ sCurFBO = mFBO;
+
stop_glerror();
if (gGLManager.mHasDrawBuffers)
{ //setup multiple render targets
@@ -367,16 +422,6 @@ void LLRenderTarget::bindTarget()
sBoundTarget = this;
}
-// static
-void LLRenderTarget::unbindTarget()
-{
- if (gGLManager.mHasFramebufferObject)
- {
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
- }
- sBoundTarget = NULL;
-}
-
void LLRenderTarget::clear(U32 mask_in)
{
U32 mask = GL_COLOR_BUFFER_BIT;
@@ -442,7 +487,8 @@ void LLRenderTarget::flush(bool fetch_depth)
else
{
stop_glerror();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, mPreviousFBO);
+ sCurFBO = mPreviousFBO;
stop_glerror();
}
}
@@ -472,7 +518,7 @@ 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
@@ -489,7 +535,7 @@ 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();
}
}
@@ -515,7 +561,7 @@ 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();
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-02 21:53:15 +0000