summaryrefslogtreecommitdiff
path: root/indra/llrender/llrendertarget.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'indra/llrender/llrendertarget.cpp')
-rw-r--r--indra/llrender/llrendertarget.cpp155
1 files changed, 74 insertions, 81 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index b6463309e1..99f0da330c 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -31,8 +31,7 @@
#include "llgl.h"
LLRenderTarget* LLRenderTarget::sBoundTarget = NULL;
-
-
+U32 LLRenderTarget::sBytesAllocated = 0;
void check_framebuffer_status()
{
@@ -56,14 +55,12 @@ bool LLRenderTarget::sUseFBO = false;
LLRenderTarget::LLRenderTarget() :
mResX(0),
mResY(0),
- mTex(0),
mFBO(0),
mDepth(0),
mStencil(0),
mUseDepth(false),
mRenderDepth(false),
- mUsage(LLTexUnit::TT_TEXTURE),
- mSamples(0)
+ mUsage(LLTexUnit::TT_TEXTURE)
{
}
@@ -72,11 +69,11 @@ LLRenderTarget::~LLRenderTarget()
release();
}
-void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo, S32 samples)
+bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo, S32 samples)
{
stop_glerror();
-
release();
+ stop_glerror();
mResX = resx;
mResY = resy;
@@ -84,28 +81,16 @@ void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, boo
mStencil = stencil;
mUsage = usage;
mUseDepth = depth;
- mSamples = samples;
-
- mSamples = gGLManager.getNumFBOFSAASamples(mSamples);
-
- if (mSamples > 1 && gGLManager.mHasTextureMultisample)
- {
- mUsage = LLTexUnit::TT_MULTISAMPLE_TEXTURE;
- //no support for multisampled stencil targets yet
- mStencil = false;
- }
- else
- {
- mSamples = 0;
- }
if ((sUseFBO || use_fbo) && gGLManager.mHasFramebufferObject)
{
if (depth)
{
- stop_glerror();
- allocateDepth();
- stop_glerror();
+ if (!allocateDepth())
+ {
+ llwarns << "Failed to allocate depth buffer for render target." << llendl;
+ return false;
+ }
}
glGenFramebuffers(1, (GLuint *) &mFBO);
@@ -131,14 +116,14 @@ void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, boo
stop_glerror();
}
- addColorAttachment(color_fmt);
+ return addColorAttachment(color_fmt);
}
-void LLRenderTarget::addColorAttachment(U32 color_fmt)
+bool LLRenderTarget::addColorAttachment(U32 color_fmt)
{
if (color_fmt == 0)
{
- return;
+ return true;
}
U32 offset = mTex.size();
@@ -149,51 +134,48 @@ void LLRenderTarget::addColorAttachment(U32 color_fmt)
}
U32 tex;
- LLImageGL::generateTextures(1, &tex);
+ LLImageGL::generateTextures(mUsage, color_fmt, 1, &tex);
gGL.getTexUnit(0)->bindManual(mUsage, tex);
stop_glerror();
-#ifdef GL_ARB_texture_multisample
- if (mSamples > 1)
{
- glTexImage2DMultisample(LLTexUnit::getInternalType(mUsage), mSamples, color_fmt, mResX, mResY, GL_TRUE);
- }
- else
-#else
- llassert_always(mSamples <= 1);
-#endif
- {
- LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+ clear_glerror();
+ 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;
+ return false;
+ }
}
+ sBytesAllocated += mResX*mResY*4;
+
stop_glerror();
- if (mSamples == 0)
- {
- if (offset == 0)
- { //use bilinear filtering on single texture render targets that aren't multisampled
- gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
- stop_glerror();
- }
- else
- { //don't filter data attachments
- gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
- stop_glerror();
- }
+
+ if (offset == 0)
+ { //use bilinear filtering on single texture render targets that aren't multisampled
+ gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+ stop_glerror();
+ }
+ else
+ { //don't filter data attachments
+ gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+ stop_glerror();
+ }
- if (mUsage != LLTexUnit::TT_RECT_TEXTURE)
- {
- gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_MIRROR);
- stop_glerror();
- }
- else
- {
- // ATI doesn't support mirrored repeat for rectangular textures.
- gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
- stop_glerror();
- }
+ if (mUsage != LLTexUnit::TT_RECT_TEXTURE)
+ {
+ gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_MIRROR);
+ stop_glerror();
+ }
+ else
+ {
+ // ATI doesn't support mirrored repeat for rectangular textures.
+ gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
+ stop_glerror();
}
if (mFBO)
@@ -210,6 +192,7 @@ void LLRenderTarget::addColorAttachment(U32 color_fmt)
}
mTex.push_back(tex);
+ mInternalFormat.push_back(color_fmt);
if (gDebugGL)
{ //bind and unbind to validate target
@@ -217,37 +200,42 @@ void LLRenderTarget::addColorAttachment(U32 color_fmt)
flush();
}
+ return true;
}
-void LLRenderTarget::allocateDepth()
+bool LLRenderTarget::allocateDepth()
{
if (mStencil)
{
//use render buffers where stencil buffers are in play
glGenRenderbuffers(1, (GLuint *) &mDepth);
glBindRenderbuffer(GL_RENDERBUFFER, mDepth);
+ stop_glerror();
+ clear_glerror();
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, mResX, mResY);
glBindRenderbuffer(GL_RENDERBUFFER, 0);
}
else
{
- LLImageGL::generateTextures(1, &mDepth);
+ LLImageGL::generateTextures(mUsage, GL_DEPTH_COMPONENT24, 1, &mDepth);
gGL.getTexUnit(0)->bindManual(mUsage, mDepth);
- if (mSamples == 0)
- {
- U32 internal_type = LLTexUnit::getInternalType(mUsage);
- gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
- LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT32, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL);
- }
-#ifdef GL_ARB_texture_multisample
- else
- {
- glTexImage2DMultisample(LLTexUnit::getInternalType(mUsage), mSamples, GL_DEPTH_COMPONENT32, mResX, mResY, GL_TRUE);
- }
-#else
- llassert_always(mSamples <= 1);
-#endif
+
+ 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, false);
+ gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+ }
+
+ sBytesAllocated += mResX*mResY*4;
+
+ if (glGetError() != GL_NO_ERROR)
+ {
+ llwarns << "Unable to allocate depth buffer for render target." << llendl;
+ return false;
}
+
+ return true;
}
void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target)
@@ -306,18 +294,20 @@ void LLRenderTarget::release()
}
else
{
- LLImageGL::deleteTextures(1, &mDepth, true);
+ LLImageGL::deleteTextures(mUsage, 0, 0, 1, &mDepth, true);
stop_glerror();
}
mDepth = 0;
+
+ sBytesAllocated -= mResX*mResY*4;
}
else if (mUseDepth && mFBO)
{ //detach shared depth buffer
glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
if (mStencil)
{ //attached as a renderbuffer
- glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0);
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0);
mStencil = false;
}
else
@@ -335,8 +325,10 @@ void LLRenderTarget::release()
if (mTex.size() > 0)
{
- LLImageGL::deleteTextures(mTex.size(), &mTex[0], true);
+ sBytesAllocated -= mResX*mResY*4*mTex.size();
+ LLImageGL::deleteTextures(mUsage, mInternalFormat[0], 0, mTex.size(), &mTex[0], true);
mTex.clear();
+ mInternalFormat.clear();
}
mResX = mResY = 0;
@@ -466,7 +458,8 @@ void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0,
gGL.flush();
if (!source.mFBO || !mFBO)
{
- llerrs << "Cannot copy framebuffer contents for non FBO render targets." << llendl;
+ llwarns << "Cannot copy framebuffer contents for non FBO render targets." << llendl;
+ return;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-26 20:07:01 +0000