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Diffstat (limited to 'indra/llrender/llrendertarget.cpp')
-rw-r--r--indra/llrender/llrendertarget.cpp87
1 files changed, 57 insertions, 30 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index 1ffaec326b..491f5df6c9 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -1,25 +1,25 @@
-/**
+/**
* @file llrendertarget.cpp
* @brief LLRenderTarget implementation
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
- *
+ *
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
- *
+ *
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
- *
+ *
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
+ *
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
@@ -44,7 +44,7 @@ void check_framebuffer_status()
break;
default:
LL_WARNS() << "check_framebuffer_status failed -- " << std::hex << status << LL_ENDL;
- ll_fail("check_framebuffer_status failed");
+ ll_fail("check_framebuffer_status failed");
break;
}
}
@@ -75,10 +75,10 @@ LLRenderTarget::~LLRenderTarget()
}
void LLRenderTarget::resize(U32 resx, U32 resy)
-{
+{
//for accounting, get the number of pixels added/subtracted
S32 pix_diff = (resx*resy)-(mResX*mResY);
-
+
mResX = resx;
mResY = resy;
@@ -92,7 +92,7 @@ void LLRenderTarget::resize(U32 resx, U32 resy)
}
if (mDepth)
- {
+ {
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);
@@ -100,7 +100,7 @@ void LLRenderTarget::resize(U32 resx, U32 resy)
sBytesAllocated += pix_diff*4;
}
}
-
+
bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, LLTexUnit::eTextureType usage, LLTexUnit::eTextureMipGeneration generateMipMaps)
{
@@ -112,7 +112,7 @@ bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, LLT
resy = llmin(resy, (U32) gGLManager.mGLMaxTextureSize);
release();
-
+
mResX = resx;
mResY = resy;
@@ -125,7 +125,7 @@ bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, LLT
// Calculate the number of mip levels based upon resolution that we should have.
mMipLevels = 1 + floor(log10((float)llmax(mResX, mResY))/log10(2.0));
}
-
+
if (depth)
{
if (!allocateDepth())
@@ -140,12 +140,12 @@ bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, LLT
if (mDepth)
{
glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
-
+
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
}
-
+
return addColorAttachment(color_fmt);
}
@@ -190,7 +190,7 @@ void LLRenderTarget::releaseColorAttachment()
llassert(!isBoundInStack());
llassert(mTex.size() == 1); //cannot use releaseColorAttachment with LLRenderTarget managed color targets
llassert(mFBO != 0); // mFBO must be valid
-
+
glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, LLTexUnit::getInternalType(mUsage), 0, 0);
glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
@@ -238,12 +238,12 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt)
return false;
}
}
-
+
sBytesAllocated += mResX*mResY*4;
stop_glerror();
-
+
if (offset == 0)
{ //use bilinear filtering on single texture render targets that aren't multisampled
gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
@@ -266,15 +266,15 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt)
gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
stop_glerror();
}
-
+
if (mFBO)
{
glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+offset,
LLTexUnit::getInternalType(mUsage), tex, 0);
-
+
check_framebuffer_status();
-
+
glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
}
@@ -286,8 +286,8 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt)
bindTarget();
flush();
}
-
-
+
+
return true;
}
@@ -296,7 +296,7 @@ bool LLRenderTarget::allocateDepth()
LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
LLImageGL::generateTextures(1, &mDepth);
gGL.getTexUnit(0)->bindManual(mUsage, mDepth);
-
+
U32 internal_type = LLTexUnit::getInternalType(mUsage);
stop_glerror();
clear_glerror();
@@ -336,7 +336,7 @@ void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target)
if (mDepth)
{
glBindFramebuffer(GL_FRAMEBUFFER, target.mFBO);
-
+
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
check_framebuffer_status();
@@ -355,7 +355,7 @@ void LLRenderTarget::release()
if (mDepth)
{
LLImageGL::deleteTextures(1, &mDepth);
-
+
mDepth = 0;
sBytesAllocated -= mResX*mResY*4;
@@ -408,7 +408,7 @@ void LLRenderTarget::release()
mTex.clear();
mInternalFormat.clear();
-
+
mResX = mResY = 0;
}
@@ -417,7 +417,7 @@ void LLRenderTarget::bindTarget()
LL_PROFILE_GPU_ZONE("bindTarget");
llassert(mFBO);
llassert(!isBoundInStack());
-
+
glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
sCurFBO = mFBO;
@@ -427,7 +427,7 @@ void LLRenderTarget::bindTarget()
GL_COLOR_ATTACHMENT2,
GL_COLOR_ATTACHMENT3};
glDrawBuffers(static_cast<GLsizei>(mTex.size()), drawbuffers);
-
+
if (mTex.empty())
{ //no color buffer to draw to
glDrawBuffer(GL_NONE);
@@ -452,7 +452,7 @@ void LLRenderTarget::clear(U32 mask_in)
if (mUseDepth)
{
mask |= GL_DEPTH_BUFFER_BIT;
-
+
}
if (mFBO)
{
@@ -560,11 +560,38 @@ bool LLRenderTarget::isBoundInStack() const
{
LLRenderTarget* cur = sBoundTarget;
while (cur && cur != this)
- {
+ {
cur = cur->mPreviousRT;
}
return cur == this;
}
+void LLRenderTarget::swapFBORefs(LLRenderTarget& other)
+{
+ // Must be initialized
+ llassert(mFBO);
+ llassert(other.mFBO);
+ // Must be unbound
+ // *NOTE: mPreviousRT can be non-null even if this target is unbound - presumably for debugging purposes?
+ llassert(sCurFBO != mFBO);
+ llassert(sCurFBO != other.mFBO);
+ llassert(!isBoundInStack());
+ llassert(!other.isBoundInStack());
+
+ // Must be same type
+ llassert(sUseFBO == other.sUseFBO);
+ llassert(mResX == other.mResX);
+ llassert(mResY == other.mResY);
+ llassert(mInternalFormat == other.mInternalFormat);
+ llassert(mTex.size() == other.mTex.size());
+ llassert(mDepth == other.mDepth);
+ llassert(mUseDepth == other.mUseDepth);
+ llassert(mGenerateMipMaps == other.mGenerateMipMaps);
+ llassert(mMipLevels == other.mMipLevels);
+ llassert(mUsage == other.mUsage);
+
+ std::swap(mFBO, other.mFBO);
+ std::swap(mTex, other.mTex);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 22:11:15 +0000