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Diffstat (limited to 'indra/llrender/llrendertarget.cpp')
-rwxr-xr-x[-rw-r--r--]indra/llrender/llrendertarget.cpp137
1 files changed, 99 insertions, 38 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index 846311a8d0..fe8110904d 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),
@@ -69,7 +79,7 @@ LLRenderTarget::~LLRenderTarget()
release();
}
-void LLRenderTarget::resize(U32 resx, U32 resy, U32 color_fmt)
+void LLRenderTarget::resize(U32 resx, U32 resy)
{
//for accounting, get the number of pixels added/subtracted
S32 pix_diff = (resx*resy)-(mResX*mResY);
@@ -77,10 +87,12 @@ void LLRenderTarget::resize(U32 resx, U32 resy, U32 color_fmt)
mResX = resx;
mResY = resy;
+ llassert(mInternalFormat.size() == mTex.size());
+
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);
+ LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, mInternalFormat[i], mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL, false);
sBytesAllocated += pix_diff*4;
}
@@ -107,6 +119,9 @@ 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 +161,7 @@ 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();
@@ -179,7 +194,7 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt)
}
U32 tex;
- LLImageGL::generateTextures(mUsage, color_fmt, 1, &tex);
+ LLImageGL::generateTextures(1, &tex);
gGL.getTexUnit(0)->bindManual(mUsage, tex);
stop_glerror();
@@ -233,18 +248,21 @@ 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;
}
@@ -262,7 +280,7 @@ bool LLRenderTarget::allocateDepth()
}
else
{
- LLImageGL::generateTextures(mUsage, GL_DEPTH_COMPONENT24, 1, &mDepth);
+ LLImageGL::generateTextures(1, &mDepth);
gGL.getTexUnit(0)->bindManual(mUsage, mDepth);
U32 internal_type = LLTexUnit::getInternalType(mUsage);
@@ -322,7 +340,7 @@ void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target)
check_framebuffer_status();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
target.mUseDepth = true;
}
@@ -339,42 +357,62 @@ void LLRenderTarget::release()
}
else
{
- LLImageGL::deleteTextures(mUsage, 0, 0, 1, &mDepth, true);
+ LLImageGL::deleteTextures(1, &mDepth);
stop_glerror();
}
mDepth = 0;
sBytesAllocated -= mResX*mResY*4;
}
- else if (mUseDepth && mFBO)
- { //detach shared depth buffer
+ else if (mFBO)
+ {
glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
- if (mStencil)
- { //attached as a renderbuffer
- glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0);
- glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0);
- mStencil = false;
+
+ if (mUseDepth)
+ { //detach shared depth buffer
+ if (mStencil)
+ { //attached as a renderbuffer
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0);
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0);
+ mStencil = false;
+ }
+ else
+ { //attached as a texture
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), 0, 0);
+ }
+ mUseDepth = false;
}
- else
- { //attached as a texture
- glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), 0, 0);
+ }
+
+ // Detach any extra color buffers (e.g. SRGB spec buffers)
+ //
+ if (mFBO && (mTex.size() > 1))
+ {
+ S32 z;
+ for (z = mTex.size() - 1; z >= 1; z--)
+ {
+ sBytesAllocated -= mResX*mResY*4;
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+z, LLTexUnit::getInternalType(mUsage), 0, 0);
+ stop_glerror();
+ LLImageGL::deleteTextures(1, &mTex[z]);
}
- mUseDepth = false;
}
if (mFBO)
{
glDeleteFramebuffers(1, (GLuint *) &mFBO);
+ stop_glerror();
mFBO = 0;
}
if (mTex.size() > 0)
{
- sBytesAllocated -= mResX*mResY*4*mTex.size();
- LLImageGL::deleteTextures(mUsage, mInternalFormat[0], 0, mTex.size(), &mTex[0], true);
+ sBytesAllocated -= mResX*mResY*4;
+ LLImageGL::deleteTextures(1, &mTex[0]);
+ }
+
mTex.clear();
mInternalFormat.clear();
- }
mResX = mResY = 0;
@@ -387,7 +425,10 @@ void LLRenderTarget::bindTarget()
{
stop_glerror();
+ mPreviousFBO = sCurFBO;
glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
+ sCurFBO = mFBO;
+
stop_glerror();
if (gGLManager.mHasDrawBuffers)
{ //setup multiple render targets
@@ -409,18 +450,13 @@ 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)
@@ -459,6 +495,12 @@ U32 LLRenderTarget::getTexture(U32 attachment) const
return mTex[attachment];
}
+U32 LLRenderTarget::getNumTextures() const
+{
+ return mTex.size();
+}
+
+
void LLRenderTarget::bindTexture(U32 index, S32 channel)
{
gGL.getTexUnit(channel)->bindManual(mUsage, getTexture(index));
@@ -488,7 +530,22 @@ 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();
}
}
@@ -518,7 +575,7 @@ 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
@@ -535,7 +592,7 @@ 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();
}
}
@@ -546,8 +603,10 @@ void LLRenderTarget::copyContentsToFramebuffer(LLRenderTarget& source, S32 srcX0
{
if (!source.mFBO)
{
- llerrs << "Cannot copy framebuffer contents for non FBO render targets." << llendl;
+ llwarns << "Cannot copy framebuffer contents for non FBO render targets." << llendl;
+ return;
}
+
{
GLboolean write_depth = mask & GL_DEPTH_BUFFER_BIT ? TRUE : FALSE;
@@ -561,7 +620,7 @@ 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();
}
}
@@ -579,3 +638,5 @@ void LLRenderTarget::getViewport(S32* viewport)
viewport[3] = mResY;
}
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-02 22:26:33 +0000