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-rw-r--r--indra/llrender/llgl.cpp49
-rw-r--r--indra/llrender/llgl.h8
-rw-r--r--indra/llrender/llglheaders.h10
-rw-r--r--indra/llrender/llglslshader.cpp3
-rw-r--r--indra/llrender/llimagegl.cpp2
-rw-r--r--indra/llrender/llrender.cpp25
-rw-r--r--indra/llrender/llrender.h1
-rw-r--r--indra/llrender/llrendertarget.cpp394
-rw-r--r--indra/llrender/llrendertarget.h26
9 files changed, 186 insertions, 332 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index f29ee0e57e..8d000d6fe3 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -178,6 +178,12 @@ PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer = NULL;
PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample = NULL;
PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer = NULL;
+//GL_ARB_texture_multisample
+PFNGLTEXIMAGE2DMULTISAMPLEPROC glTexImage2DMultisample;
+PFNGLTEXIMAGE3DMULTISAMPLEPROC glTexImage3DMultisample;
+PFNGLGETMULTISAMPLEFVPROC glGetMultisamplefv;
+PFNGLSAMPLEMASKIPROC glSampleMaski;
+
// GL_EXT_blend_func_separate
PFNGLBLENDFUNCSEPARATEEXTPROC glBlendFuncSeparateEXT = NULL;
@@ -321,6 +327,7 @@ LLGLManager::LLGLManager() :
mHasMipMapGeneration(FALSE),
mHasCompressedTextures(FALSE),
mHasFramebufferObject(FALSE),
+ mMaxSamples(0),
mHasBlendFuncSeparate(FALSE),
mHasVertexBufferObject(FALSE),
@@ -333,6 +340,11 @@ LLGLManager::LLGLManager() :
mHasPointParameters(FALSE),
mHasDrawBuffers(FALSE),
mHasTextureRectangle(FALSE),
+ mHasTextureMultisample(FALSE),
+ mMaxSampleMaskWords(0),
+ mMaxColorTextureSamples(0),
+ mMaxDepthTextureSamples(0),
+ mMaxIntegerSamples(0),
mHasAnisotropic(FALSE),
mHasARBEnvCombine(FALSE),
@@ -534,6 +546,19 @@ bool LLGLManager::initGL()
return false;
}
+ if (mHasTextureMultisample)
+ {
+ glGetIntegerv(GL_MAX_COLOR_TEXTURE_SAMPLES, &mMaxColorTextureSamples);
+ glGetIntegerv(GL_MAX_DEPTH_TEXTURE_SAMPLES, &mMaxDepthTextureSamples);
+ glGetIntegerv(GL_MAX_INTEGER_SAMPLES, &mMaxIntegerSamples);
+ glGetIntegerv(GL_MAX_SAMPLE_MASK_WORDS, &mMaxSampleMaskWords);
+ }
+
+ if (mHasFramebufferObject)
+ {
+ glGetIntegerv(GL_MAX_SAMPLES, &mMaxSamples);
+ }
+
setToDebugGPU();
initGLStates();
@@ -734,6 +759,7 @@ void LLGLManager::initExtensions()
mHasDrawBuffers = ExtensionExists("GL_ARB_draw_buffers", gGLHExts.mSysExts);
mHasBlendFuncSeparate = ExtensionExists("GL_EXT_blend_func_separate", gGLHExts.mSysExts);
mHasTextureRectangle = ExtensionExists("GL_ARB_texture_rectangle", gGLHExts.mSysExts);
+ mHasTextureMultisample = ExtensionExists("GL_ARB_texture_multisample", gGLHExts.mSysExts);
#if !LL_DARWIN
mHasPointParameters = !mIsATI && ExtensionExists("GL_ARB_point_parameters", gGLHExts.mSysExts);
#endif
@@ -943,6 +969,13 @@ void LLGLManager::initExtensions()
{
glBlendFuncSeparateEXT = (PFNGLBLENDFUNCSEPARATEEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glBlendFuncSeparateEXT");
}
+ if (mHasTextureRectangle)
+ {
+ glTexImage2DMultisample = (PFNGLTEXIMAGE2DMULTISAMPLEPROC) GLH_EXT_GET_PROC_ADDRESS("glTexImage2DMultisample");
+ glTexImage3DMultisample = (PFNGLTEXIMAGE3DMULTISAMPLEPROC) GLH_EXT_GET_PROC_ADDRESS("glTexImage3DMultisample");
+ glGetMultisamplefv = (PFNGLGETMULTISAMPLEFVPROC) GLH_EXT_GET_PROC_ADDRESS("glGetMultisamplefv");
+ glSampleMaski = (PFNGLSAMPLEMASKIPROC) GLH_EXT_GET_PROC_ADDRESS("glSampleMaski");
+ }
#if (!LL_LINUX && !LL_SOLARIS) || LL_LINUX_NV_GL_HEADERS
// This is expected to be a static symbol on Linux GL implementations, except if we use the nvidia headers - bah
glDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC)GLH_EXT_GET_PROC_ADDRESS("glDrawRangeElements");
@@ -1374,7 +1407,8 @@ void LLGLState::checkTextureChannels(const std::string& msg)
"GL_TEXTURE_GEN_T",
"GL_TEXTURE_GEN_Q",
"GL_TEXTURE_GEN_R",
- "GL_TEXTURE_RECTANGLE_ARB"
+ "GL_TEXTURE_RECTANGLE_ARB",
+ "GL_TEXTURE_2D_MULTISAMPLE"
};
static GLint value[] =
@@ -1387,7 +1421,8 @@ void LLGLState::checkTextureChannels(const std::string& msg)
GL_TEXTURE_GEN_T,
GL_TEXTURE_GEN_Q,
GL_TEXTURE_GEN_R,
- GL_TEXTURE_RECTANGLE_ARB
+ GL_TEXTURE_RECTANGLE_ARB,
+ GL_TEXTURE_2D_MULTISAMPLE
};
GLint stackDepth = 0;
@@ -1429,9 +1464,17 @@ void LLGLState::checkTextureChannels(const std::string& msg)
}
+ S32 num_texture_types = 8;
+
for (S32 j = (i == 0 ? 1 : 0);
- j < (gGLManager.mHasTextureRectangle ? 9 : 8); j++)
+ j < 9; j++)
{
+ if (j == 8 && !gGLManager.mHasTextureRectangle ||
+ j == 9 && !gGLManager.mHasTextureMultisample)
+ {
+ continue;
+ }
+
if (glIsEnabled(value[j]))
{
error = TRUE;
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index 3d002fd8c4..7484196db5 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -83,8 +83,9 @@ public:
BOOL mHasMipMapGeneration;
BOOL mHasCompressedTextures;
BOOL mHasFramebufferObject;
+ S32 mMaxSamples;
BOOL mHasBlendFuncSeparate;
-
+
// ARB Extensions
BOOL mHasVertexBufferObject;
BOOL mHasPBuffer;
@@ -97,6 +98,11 @@ public:
BOOL mHasDrawBuffers;
BOOL mHasDepthClamp;
BOOL mHasTextureRectangle;
+ BOOL mHasTextureMultisample;
+ S32 mMaxSampleMaskWords;
+ S32 mMaxColorTextureSamples;
+ S32 mMaxDepthTextureSamples;
+ S32 mMaxIntegerSamples;
// Other extensions.
BOOL mHasAnisotropic;
diff --git a/indra/llrender/llglheaders.h b/indra/llrender/llglheaders.h
index d8140a124d..825d304d35 100644
--- a/indra/llrender/llglheaders.h
+++ b/indra/llrender/llglheaders.h
@@ -474,6 +474,11 @@ extern PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer;
//GL_ARB_draw_buffers
extern PFNGLDRAWBUFFERSARBPROC glDrawBuffersARB;
+//GL_ARB_texture_multisample
+extern PFNGLTEXIMAGE2DMULTISAMPLEPROC glTexImage2DMultisample;
+extern PFNGLTEXIMAGE3DMULTISAMPLEPROC glTexImage3DMultisample;
+extern PFNGLGETMULTISAMPLEFVPROC glGetMultisamplefv;
+extern PFNGLSAMPLEMASKIPROC glSampleMaski;
#elif LL_WINDOWS
//----------------------------------------------------------------------------
@@ -673,6 +678,11 @@ extern PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer;
//GL_ARB_draw_buffers
extern PFNGLDRAWBUFFERSARBPROC glDrawBuffersARB;
+//GL_ARB_texture_multisample
+extern PFNGLTEXIMAGE2DMULTISAMPLEPROC glTexImage2DMultisample;
+extern PFNGLTEXIMAGE3DMULTISAMPLEPROC glTexImage3DMultisample;
+extern PFNGLGETMULTISAMPLEFVPROC glGetMultisamplefv;
+extern PFNGLSAMPLEMASKIPROC glSampleMaski;
#elif LL_DARWIN
//----------------------------------------------------------------------------
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 257bcd9380..2e7147a3b4 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -293,7 +293,8 @@ void LLGLSLShader::mapUniform(GLint index, const vector<string> * uniforms)
GLint LLGLSLShader::mapUniformTextureChannel(GLint location, GLenum type)
{
- if (type >= GL_SAMPLER_1D_ARB && type <= GL_SAMPLER_2D_RECT_SHADOW_ARB)
+ if (type >= GL_SAMPLER_1D_ARB && type <= GL_SAMPLER_2D_RECT_SHADOW_ARB ||
+ type == GL_SAMPLER_2D_MULTISAMPLE)
{ //this here is a texture
glUniform1iARB(location, mActiveTextureChannels);
LL_DEBUGS("ShaderLoading") << "Assigned to texture channel " << mActiveTextureChannels << LL_ENDL;
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index d408077c68..30b66ae542 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -1417,7 +1417,7 @@ void LLImageGL::deleteDeadTextures()
{
if (sCurrentBoundTextures[i] == tex)
{
- gGL.getTexUnit(i)->unbind(LLTexUnit::TT_TEXTURE);
+ gGL.getTexUnit(i)->unbind(gGL.getTexUnit(i)->getCurrType());
stop_glerror();
}
}
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 49e10c4790..d5eb3979c3 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -53,7 +53,8 @@ static GLenum sGLTextureType[] =
{
GL_TEXTURE_2D,
GL_TEXTURE_RECTANGLE_ARB,
- GL_TEXTURE_CUBE_MAP_ARB
+ GL_TEXTURE_CUBE_MAP_ARB,
+ GL_TEXTURE_2D_MULTISAMPLE
};
static GLint sGLAddressMode[] =
@@ -121,12 +122,18 @@ void LLTexUnit::refreshState(void)
glActiveTextureARB(GL_TEXTURE0_ARB + mIndex);
if (mCurrTexType != TT_NONE)
{
- glEnable(sGLTextureType[mCurrTexType]);
+ if (mCurrTexType != LLTexUnit::TT_MULTISAMPLE_TEXTURE)
+ {
+ glEnable(sGLTextureType[mCurrTexType]);
+ }
glBindTexture(sGLTextureType[mCurrTexType], mCurrTexture);
}
else
{
- glDisable(GL_TEXTURE_2D);
+ if (mCurrTexType != LLTexUnit::TT_MULTISAMPLE_TEXTURE)
+ {
+ glDisable(GL_TEXTURE_2D);
+ }
glBindTexture(GL_TEXTURE_2D, 0);
}
@@ -167,7 +174,10 @@ void LLTexUnit::enable(eTextureType type)
mCurrTexType = type;
gGL.flush();
- glEnable(sGLTextureType[type]);
+ if (type != LLTexUnit::TT_MULTISAMPLE_TEXTURE)
+ {
+ glEnable(sGLTextureType[type]);
+ }
}
}
@@ -180,7 +190,10 @@ void LLTexUnit::disable(void)
activate();
unbind(mCurrTexType);
gGL.flush();
- glDisable(sGLTextureType[mCurrTexType]);
+ if (mCurrTexType != LLTexUnit::TT_MULTISAMPLE_TEXTURE)
+ {
+ glDisable(sGLTextureType[mCurrTexType]);
+ }
mCurrTexType = TT_NONE;
}
}
@@ -399,7 +412,7 @@ void LLTexUnit::setTextureAddressMode(eTextureAddressMode mode)
void LLTexUnit::setTextureFilteringOption(LLTexUnit::eTextureFilterOptions option)
{
- if (mIndex < 0 || mCurrTexture == 0) return;
+ if (mIndex < 0 || mCurrTexture == 0 || mCurrTexType == LLTexUnit::TT_MULTISAMPLE_TEXTURE) return;
gGL.flush();
diff --git a/indra/llrender/llrender.h b/indra/llrender/llrender.h
index 7ba14f7b40..41e7b35341 100644
--- a/indra/llrender/llrender.h
+++ b/indra/llrender/llrender.h
@@ -57,6 +57,7 @@ public:
TT_TEXTURE = 0, // Standard 2D Texture
TT_RECT_TEXTURE, // Non power of 2 texture
TT_CUBE_MAP, // 6-sided cube map texture
+ TT_MULTISAMPLE_TEXTURE, // see GL_ARB_texture_multisample
TT_NONE // No texture type is currently enabled
} eTextureType;
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index cd2556d435..53c85e6c64 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -44,6 +44,7 @@ void check_framebuffer_status()
case GL_FRAMEBUFFER_COMPLETE:
break;
default:
+ llwarns << "Bad framebuffer status: " << std::hex << status << llendl;
ll_fail("check_framebuffer_status failed");
break;
}
@@ -62,8 +63,7 @@ LLRenderTarget::LLRenderTarget() :
mUseDepth(false),
mRenderDepth(false),
mUsage(LLTexUnit::TT_TEXTURE),
- mSamples(0),
- mSampleBuffer(NULL)
+ mSamples(0)
{
}
@@ -72,13 +72,7 @@ LLRenderTarget::~LLRenderTarget()
release();
}
-
-void LLRenderTarget::setSampleBuffer(LLMultisampleBuffer* buffer)
-{
- mSampleBuffer = buffer;
-}
-
-void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo)
+void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo, S32 samples)
{
stop_glerror();
mResX = resx;
@@ -87,6 +81,21 @@ void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, boo
mStencil = stencil;
mUsage = usage;
mUseDepth = depth;
+ mSamples = samples;
+
+ mSamples = llmin(mSamples, (U32) gGLManager.mMaxColorTextureSamples);
+
+ if (mSamples > 0 && gGLManager.mHasTextureMultisample)
+ {
+ mSamples = llmin(mSamples, (U32) gGLManager.mMaxColorTextureSamples);
+ mUsage = LLTexUnit::TT_MULTISAMPLE_TEXTURE;
+ //no support for multisampled stencil targets yet
+ mStencil = false;
+ }
+ else
+ {
+ mSamples = 0;
+ }
release();
@@ -145,29 +154,47 @@ void LLRenderTarget::addColorAttachment(U32 color_fmt)
stop_glerror();
- LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- stop_glerror();
-
- if (offset == 0)
+ if (mSamples > 0)
{
- gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+ glTexImage2DMultisample(LLTexUnit::getInternalType(mUsage), mSamples, color_fmt, mResX, mResY, GL_TRUE);
}
else
- { //don't filter data attachments
- gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
- }
- if (mUsage != LLTexUnit::TT_RECT_TEXTURE)
{
- gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_MIRROR);
+ LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
}
- else
- {
- // ATI doesn't support mirrored repeat for rectangular textures.
- gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
+
+ 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 (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)
{
+ stop_glerror();
glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+offset,
LLTexUnit::getInternalType(mUsage), tex, 0);
@@ -196,9 +223,16 @@ void LLRenderTarget::allocateDepth()
{
LLImageGL::generateTextures(1, &mDepth);
gGL.getTexUnit(0)->bindManual(mUsage, mDepth);
- 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);
+ 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);
+ }
+ else
+ {
+ glTexImage2DMultisample(LLTexUnit::getInternalType(mUsage), mSamples, GL_DEPTH_COMPONENT32, mResX, mResY, GL_TRUE);
+ }
}
}
@@ -288,7 +322,6 @@ void LLRenderTarget::release()
mTex.clear();
}
- mSampleBuffer = NULL;
sBoundTarget = NULL;
}
@@ -297,34 +330,27 @@ void LLRenderTarget::bindTarget()
if (mFBO)
{
stop_glerror();
- if (mSampleBuffer)
- {
- mSampleBuffer->bindTarget(this);
- stop_glerror();
+
+ glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
+ stop_glerror();
+ if (gGLManager.mHasDrawBuffers)
+ { //setup multiple render targets
+ GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0,
+ GL_COLOR_ATTACHMENT1,
+ GL_COLOR_ATTACHMENT2,
+ GL_COLOR_ATTACHMENT3};
+ glDrawBuffersARB(mTex.size(), drawbuffers);
}
- else
- {
- glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
- stop_glerror();
- if (gGLManager.mHasDrawBuffers)
- { //setup multiple render targets
- GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0,
- GL_COLOR_ATTACHMENT1,
- GL_COLOR_ATTACHMENT2,
- GL_COLOR_ATTACHMENT3};
- glDrawBuffersARB(mTex.size(), drawbuffers);
- }
- if (mTex.empty())
- { //no color buffer to draw to
- glDrawBuffer(GL_NONE);
- glReadBuffer(GL_NONE);
- }
+ if (mTex.empty())
+ { //no color buffer to draw to
+ glDrawBuffer(GL_NONE);
+ glReadBuffer(GL_NONE);
+ }
- check_framebuffer_status();
+ check_framebuffer_status();
- stop_glerror();
- }
+ stop_glerror();
}
glViewport(0, 0, mResX, mResY);
@@ -406,50 +432,8 @@ void LLRenderTarget::flush(bool fetch_depth)
else
{
stop_glerror();
-
glBindFramebuffer(GL_FRAMEBUFFER, 0);
-
stop_glerror();
-
- if (mSampleBuffer)
- {
- LLGLEnable multisample(GL_MULTISAMPLE);
- stop_glerror();
- glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
- stop_glerror();
- check_framebuffer_status();
- glBindFramebuffer(GL_READ_FRAMEBUFFER, mSampleBuffer->mFBO);
- check_framebuffer_status();
-
- stop_glerror();
- glBlitFramebuffer(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
- stop_glerror();
-
- if (mTex.size() > 1)
- {
- for (U32 i = 1; i < mTex.size(); ++i)
- {
- glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
- LLTexUnit::getInternalType(mUsage), mTex[i], 0);
- stop_glerror();
- glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, mSampleBuffer->mTex[i]);
- stop_glerror();
- glBlitFramebuffer(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT, GL_NEAREST);
- stop_glerror();
- }
-
- for (U32 i = 0; i < mTex.size(); ++i)
- {
- glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+i,
- LLTexUnit::getInternalType(mUsage), mTex[i], 0);
- stop_glerror();
- glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+i, GL_RENDERBUFFER, mSampleBuffer->mTex[i]);
- stop_glerror();
- }
- }
- }
-
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
}
@@ -466,37 +450,31 @@ void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0,
llerrs << "Cannot copy framebuffer contents for non FBO render targets." << llendl;
}
- if (mSampleBuffer)
+
+ if (mask == GL_DEPTH_BUFFER_BIT && source.mStencil != mStencil)
{
- mSampleBuffer->copyContents(source, srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+ stop_glerror();
+
+ glBindFramebuffer(GL_FRAMEBUFFER, source.mFBO);
+ gGL.getTexUnit(0)->bind(this, true);
+ stop_glerror();
+ glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, srcX0, srcY0, dstX0, dstY0, dstX1, dstY1);
+ stop_glerror();
+ glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ stop_glerror();
}
else
{
- if (mask == GL_DEPTH_BUFFER_BIT && source.mStencil != mStencil)
- {
- stop_glerror();
-
- glBindFramebuffer(GL_FRAMEBUFFER, source.mFBO);
- gGL.getTexUnit(0)->bind(this, true);
- stop_glerror();
- glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, srcX0, srcY0, dstX0, dstY0, dstX1, dstY1);
- stop_glerror();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
- stop_glerror();
- }
- else
- {
- glBindFramebuffer(GL_READ_FRAMEBUFFER, source.mFBO);
- stop_glerror();
- glBindFramebuffer(GL_DRAW_FRAMEBUFFER, mFBO);
- stop_glerror();
- check_framebuffer_status();
- stop_glerror();
- glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
- stop_glerror();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
- stop_glerror();
- }
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, source.mFBO);
+ stop_glerror();
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, mFBO);
+ stop_glerror();
+ check_framebuffer_status();
+ stop_glerror();
+ glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+ stop_glerror();
+ glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ stop_glerror();
}
}
@@ -539,179 +517,3 @@ void LLRenderTarget::getViewport(S32* viewport)
viewport[3] = mResY;
}
-//==================================================
-// LLMultisampleBuffer implementation
-//==================================================
-LLMultisampleBuffer::LLMultisampleBuffer()
-{
-
-}
-
-LLMultisampleBuffer::~LLMultisampleBuffer()
-{
- release();
-}
-
-void LLMultisampleBuffer::release()
-{
- if (mFBO)
- {
- glDeleteFramebuffers(1, (GLuint *) &mFBO);
- mFBO = 0;
- }
-
- if (mTex.size() > 0)
- {
- glDeleteRenderbuffers(mTex.size(), (GLuint *) &mTex[0]);
- mTex.clear();
- }
-
- if (mDepth)
- {
- glDeleteRenderbuffers(1, (GLuint *) &mDepth);
- mDepth = 0;
- }
-}
-
-void LLMultisampleBuffer::bindTarget()
-{
- bindTarget(this);
-}
-
-void LLMultisampleBuffer::bindTarget(LLRenderTarget* ref)
-{
- if (!ref)
- {
- ref = this;
- }
-
- glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
- if (gGLManager.mHasDrawBuffers)
- { //setup multiple render targets
- GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0,
- GL_COLOR_ATTACHMENT1,
- GL_COLOR_ATTACHMENT2,
- GL_COLOR_ATTACHMENT3};
- glDrawBuffersARB(ref->mTex.size(), drawbuffers);
- }
-
- check_framebuffer_status();
-
- glViewport(0, 0, mResX, mResY);
-
- sBoundTarget = this;
-}
-
-void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo )
-{
- allocate(resx,resy,color_fmt,depth,stencil,usage,use_fbo,2);
-}
-
-void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo, U32 samples )
-{
- stop_glerror();
- mResX = resx;
- mResY = resy;
-
- mUsage = usage;
- mUseDepth = depth;
- mStencil = stencil;
-
- release();
-
- mSamples = samples;
-
- if (mSamples <= 1)
- {
- llerrs << "Cannot create a multisample buffer with less than 2 samples." << llendl;
- }
-
- stop_glerror();
-
- if ((sUseFBO || use_fbo) && gGLManager.mHasFramebufferObject)
- {
-
- if (depth)
- {
- stop_glerror();
- allocateDepth();
- stop_glerror();
- }
-
- glGenFramebuffers(1, (GLuint *) &mFBO);
-
- glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
-
- if (mDepth)
- {
- glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepth);
- if (mStencil)
- {
- glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mDepth);
- }
- }
-
- stop_glerror();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
- stop_glerror();
- }
-
- addColorAttachment(color_fmt);
-}
-
-void LLMultisampleBuffer::addColorAttachment(U32 color_fmt)
-{
- if (color_fmt == 0)
- {
- return;
- }
-
- U32 offset = mTex.size();
- if (offset >= 4 ||
- (offset > 0 && (mFBO == 0 || !gGLManager.mHasDrawBuffers)))
- {
- llerrs << "Too many color attachments!" << llendl;
- }
-
- U32 tex;
- glGenRenderbuffers(1, &tex);
-
- glBindRenderbuffer(GL_RENDERBUFFER, tex);
- glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, color_fmt, mResX, mResY);
- stop_glerror();
-
- if (mFBO)
- {
- glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
- glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+offset, GL_RENDERBUFFER, tex);
- stop_glerror();
- GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
- switch (status)
- {
- case GL_FRAMEBUFFER_COMPLETE:
- break;
- default:
- llerrs << "WTF? " << std::hex << status << llendl;
- break;
- }
-
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
- }
-
- mTex.push_back(tex);
-}
-
-void LLMultisampleBuffer::allocateDepth()
-{
- glGenRenderbuffers(1, (GLuint* ) &mDepth);
- glBindRenderbuffer(GL_RENDERBUFFER, mDepth);
- if (mStencil)
- {
- glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, GL_DEPTH24_STENCIL8, mResX, mResY);
- }
- else
- {
- glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, GL_DEPTH_COMPONENT16, mResX, mResY);
- }
-}
-
diff --git a/indra/llrender/llrendertarget.h b/indra/llrender/llrendertarget.h
index 12dd1c8b90..094b58b562 100644
--- a/indra/llrender/llrendertarget.h
+++ b/indra/llrender/llrendertarget.h
@@ -71,10 +71,7 @@ public:
//allocate resources for rendering
//must be called before use
//multiple calls will release previously allocated resources
- void allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage = LLTexUnit::TT_TEXTURE, bool use_fbo = FALSE);
-
- //provide this render target with a multisample resource.
- void setSampleBuffer(LLMultisampleBuffer* buffer);
+ void allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage = LLTexUnit::TT_TEXTURE, bool use_fbo = false, S32 samples = 0);
//add color buffer attachment
//limit of 4 color attachments per render target
@@ -141,7 +138,6 @@ public:
static LLRenderTarget* getCurrentBoundTarget() { return sBoundTarget; }
protected:
- friend class LLMultisampleBuffer;
U32 mResX;
U32 mResY;
std::vector<U32> mTex;
@@ -152,26 +148,8 @@ protected:
bool mRenderDepth;
LLTexUnit::eTextureType mUsage;
U32 mSamples;
- LLMultisampleBuffer* mSampleBuffer;
-
- static LLRenderTarget* sBoundTarget;
-};
-
-class LLMultisampleBuffer : public LLRenderTarget
-{
-public:
- LLMultisampleBuffer();
- virtual ~LLMultisampleBuffer();
-
- virtual void release();
-
- virtual void bindTarget();
- void bindTarget(LLRenderTarget* ref);
- virtual void allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo);
- void allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo, U32 samples);
- virtual void addColorAttachment(U32 color_fmt);
- virtual void allocateDepth();
+ static LLRenderTarget* sBoundTarget;
};
#endif //!LL_MESA_HEADLESS