void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indices_offset) const
{
validateRange(start, end, count, indices_offset);
llassert(mRequestedNumVerts >= 0);
if (mGLIndices != sGLRenderIndices)
{
llerrs << "Wrong index buffer bound." << llendl;
}
if (mGLBuffer != sGLRenderBuffer)
{
llerrs << "Wrong vertex buffer bound." << llendl;
}
if (mode >= LLRender::NUM_MODES)
{
llerrs << "Invalid draw mode: " << mode << llendl;
return;
}
U16* idx = ((U16*) getIndicesPointer())+indices_offset;
stop_glerror();
glDrawRangeElements(sGLMode[mode], start, end, count, GL_UNSIGNED_SHORT,
idx);
stop_glerror();
}
void render_ui_3d()
{
LLGLSPipeline gls_pipeline;
//////////////////////////////////////
//
// Render 3D UI elements
// NOTE: zbuffer is cleared before we get here by LLDrawPoolHUD,
// so 3d elements requiring Z buffer are moved to LLDrawPoolHUD
//
/////////////////////////////////////////////////////////////
//
// Render 2.5D elements (2D elements in the world)
// Stuff without z writes
//
// Debugging stuff goes before the UI.
if (gSavedSettings.getBOOL("ShowDepthBuffer"))
{
post_show_depth_buffer();
}
// Coordinate axes
if (gSavedSettings.getBOOL("ShowAxes"))
{
draw_axes();
}
stop_glerror();
gViewerWindow->renderSelections(FALSE, FALSE, TRUE); // Non HUD call in render_hud_elements
stop_glerror();
}
void LLRenderTarget::flush(bool fetch_depth)
{
gGL.flush();
if (!mFBO)
{
gGL.getTexUnit(0)->bind(this);
glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, 0, 0, 0, 0, mResX, mResY);
if (fetch_depth)
{
if (!mDepth)
{
allocateDepth();
}
gGL.getTexUnit(0)->bind(this);
glCopyTexImage2D(LLTexUnit::getInternalType(mUsage), 0, GL_DEPTH24_STENCIL8, 0, 0, mResX, mResY, 0);
}
gGL.getTexUnit(0)->disable();
}
else
{
stop_glerror();
glBindFramebuffer(GL_FRAMEBUFFER, 0);
stop_glerror();
}
}
void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
{
llassert(mRequestedNumVerts >= 0);
if (first >= (U32) mRequestedNumVerts ||
first + count > (U32) mRequestedNumVerts)
{
llerrs << "Bad vertex buffer draw range: [" << first << ", " << first+count << "]" << llendl;
}
if (mGLBuffer != sGLRenderBuffer || useVBOs() != sVBOActive)
{
llerrs << "Wrong vertex buffer bound." << llendl;
}
if (mode >= LLRender::NUM_MODES)
{
llerrs << "Invalid draw mode: " << mode << llendl;
return;
}
stop_glerror();
glDrawArrays(sGLMode[mode], first, count);
stop_glerror();
}
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);
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);
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 LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
{
llassert(mRequestedNumIndices >= 0);
if (indices_offset >= (U32) mRequestedNumIndices ||
indices_offset + count > (U32) mRequestedNumIndices)
{
llerrs << "Bad index buffer draw range: [" << indices_offset << ", " << indices_offset+count << "]" << llendl;
}
if (mGLIndices != sGLRenderIndices)
{
llerrs << "Wrong index buffer bound." << llendl;
}
if (mGLBuffer != sGLRenderBuffer)
{
llerrs << "Wrong vertex buffer bound." << llendl;
}
if (mode >= LLRender::NUM_MODES)
{
llerrs << "Invalid draw mode: " << mode << llendl;
return;
}
stop_glerror();
glDrawElements(sGLMode[mode], count, GL_UNSIGNED_SHORT,
((U16*) getIndicesPointer()) + indices_offset);
stop_glerror();
}
void LLWLParamSet::update(LLGLSLShader * shader) const
{
LLFastTimer t(FTM_WL_PARAM_UPDATE);
for(LLSD::map_const_iterator i = mParamValues.beginMap();
i != mParamValues.endMap();
++i)
{
const std::string& param = i->first;
if( param == "star_brightness" || param == "preset_num" || param == "sun_angle" ||
param == "east_angle" || param == "enable_cloud_scroll" ||
param == "cloud_scroll_rate" || param == "lightnorm" )
{
continue;
}
if(param == "cloud_pos_density1")
{
LLVector4 val;
val.mV[0] = F32(i->second[0].asReal()) + mCloudScrollXOffset;
val.mV[1] = F32(i->second[1].asReal()) + mCloudScrollYOffset;
val.mV[2] = (F32) i->second[2].asReal();
val.mV[3] = (F32) i->second[3].asReal();
stop_glerror();
shader->uniform4fv(param, 1, val.mV);
stop_glerror();
}
else // param is the uniform name
{
LLVector4 val;
// handle all the different cases
if(i->second.isArray() && i->second.size() == 4)
{
val.mV[0] = (F32) i->second[0].asReal();
val.mV[1] = (F32) i->second[1].asReal();
val.mV[2] = (F32) i->second[2].asReal();
val.mV[3] = (F32) i->second[3].asReal();
}
else if(i->second.isReal())
{
val.mV[0] = (F32) i->second.asReal();
}
else if(i->second.isInteger())
{
val.mV[0] = (F32) i->second.asReal();
}
else if(i->second.isBoolean())
{
val.mV[0] = i->second.asBoolean();
}
stop_glerror();
shader->uniform4fv(param, 1, val.mV);
stop_glerror();
}
}
}
void LLRenderTarget::bindTarget()
{
if (mFBO)
{
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);
}
if (mTex.empty())
{ //no color buffer to draw to
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
}
check_framebuffer_status();
stop_glerror();
}
glViewport(0, 0, mResX, mResY);
sBoundTarget = this;
}
//static
void LLRenderTarget::copyContentsToFramebuffer(LLRenderTarget& source, S32 srcX0, S32 srcY0, S32 srcX1, S32 srcY1,
S32 dstX0, S32 dstY0, S32 dstX1, S32 dstY1, U32 mask, U32 filter)
{
if (!source.mFBO)
{
llwarns << "Cannot copy framebuffer contents for non FBO render targets." << llendl;
return;
}
{
GLboolean write_depth = mask & GL_DEPTH_BUFFER_BIT ? TRUE : FALSE;
LLGLDepthTest depth(write_depth, write_depth);
glBindFramebuffer(GL_READ_FRAMEBUFFER, source.mSampleBuffer ? source.mSampleBuffer->mFBO : source.mFBO);
stop_glerror();
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
stop_glerror();
check_framebuffer_status();
stop_glerror();
if(gGLManager.mIsATI && mask & GL_STENCIL_BUFFER_BIT)
{
mask &= ~GL_STENCIL_BUFFER_BIT;
glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, GL_STENCIL_BUFFER_BIT, filter);
}
if(mask)
glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
stop_glerror();
glBindFramebuffer(GL_FRAMEBUFFER, 0);
stop_glerror();
}
}
// Map for data access
U8* LLVertexBuffer::mapBuffer(S32 access)
{
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
if (mFinal)
{
llwarns << "LLVertexBuffer::mapBuffer() called on a finalized buffer." << llendl;
}
if (!useVBOs() && !mMappedData && !mMappedIndexData)
{
llwarns << "LLVertexBuffer::mapBuffer() called on unallocated buffer." << llendl;
}
if (!mLocked && useVBOs())
{
setBuffer(0);
mLocked = TRUE;
stop_glerror();
mMappedData = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
stop_glerror();
mMappedIndexData = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
stop_glerror();
if (!mMappedData)
{
//--------------------
//print out more debug info before crash
llinfos << "vertex buffer size: (num verts : num indices) = " << getNumVerts() << " : " << getNumIndices() << llendl ;
GLint size ;
glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SIZE_ARB, &size) ;
llinfos << "GL_ARRAY_BUFFER_ARB size is " << size << llendl ;
//--------------------
GLint buff;
glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
if (buff != mGLBuffer)
{
llwarns << "Invalid GL vertex buffer bound: " << buff << llendl;
}
llwarns << "glMapBuffer returned NULL (no vertex data)" << llendl;
}
if (!mMappedIndexData)
{
GLint buff;
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
if (buff != mGLIndices)
{
llwarns << "Invalid GL index buffer bound: " << buff << llendl;
}
llwarns << "glMapBuffer returned NULL (no index data)" << llendl;
}
sMappedCount++;
}
return mMappedData;
}
void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indices_offset) const
{
if (start >= (U32) mRequestedNumVerts ||
end >= (U32) mRequestedNumVerts)
{
llwarns << "Bad vertex buffer draw range: [" << start << ", " << end << "]" << llendl;
}
if (indices_offset >= (U32) mRequestedNumIndices ||
indices_offset + count > (U32) mRequestedNumIndices)
{
llwarns << "Bad index buffer draw range: [" << indices_offset << ", " << indices_offset+count << "]" << llendl;
}
if (mGLIndices != sGLRenderIndices)
{
llwarns << "Wrong index buffer bound." << llendl;
}
if (mGLBuffer != sGLRenderBuffer)
{
llwarns << "Wrong vertex buffer bound." << llendl;
}
if (mode > LLRender::NUM_MODES)
{
llwarns << "Invalid draw mode: " << mode << llendl;
return;
}
stop_glerror();
glDrawRangeElements(sGLMode[mode], start, end, count, GL_UNSIGNED_SHORT,
((U16*) getIndicesPointer()) + indices_offset);
stop_glerror();
}
void LLRenderTarget::release()
{
if (mDepth)
{
if (mStencil && mFBO)
{
glDeleteRenderbuffers(1, (GLuint*) &mDepth);
stop_glerror();
}
else
{
//Release before delete.
if(mFBO)
{
glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), 0, 0);
}
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_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;
}
if (mFBO)
{
glDeleteFramebuffers(1, (GLuint *) &mFBO);
mFBO = 0;
}
if (mTex.size() > 0)
{
sBytesAllocated -= mResX*mResY*4*mTex.size();
LLImageGL::deleteTextures(mUsage, mInternalFormat[0], 0, mTex.size(), &mTex[0], true);
mTex.clear();
mInternalFormat.clear();
}
mResX = mResY = 0;
mSampleBuffer = NULL;
sBoundTarget = NULL;
}
U8* LLVertexBuffer::mapIndexBuffer(S32 access)
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_MAP_BUFFER);
if (mFinal)
{
llerrs << "LLVertexBuffer::mapIndexBuffer() called on a finalized buffer." << llendl;
}
if (!useVBOs() && !mMappedData && !mMappedIndexData)
{
llerrs << "LLVertexBuffer::mapIndexBuffer() called on unallocated buffer." << llendl;
}
if (!mIndexLocked && useVBOs())
{
{
LLMemType mt_v(LLMemType::MTYPE_VERTEX_MAP_BUFFER_INDICES);
setBuffer(0, TYPE_INDEX);
mIndexLocked = TRUE;
stop_glerror();
if(sDisableVBOMapping)
{
allocateClientIndexBuffer() ;
}
else
{
mMappedIndexData = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
}
stop_glerror();
}
if (!mMappedIndexData)
{
log_glerror();
if(!sDisableVBOMapping)
{
GLint buff;
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
if ((GLuint)buff != mGLIndices)
{
llerrs << "Invalid GL index buffer bound: " << buff << llendl;
}
llerrs << "glMapBuffer returned NULL (no index data)" << llendl;
}
else
{
llerrs << "memory allocation for Index data failed. " << llendl ;
}
}
sMappedCount++;
}
return mMappedIndexData ;
}
void LLRenderTarget::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;
LLImageGL::generateTextures(1, &tex);
gGL.getTexUnit(0)->bindManual(mUsage, tex);
stop_glerror();
LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
stop_glerror();
if (offset == 0)
{
gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
}
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);
}
else
{
// ATI doesn't support mirrored repeat for rectangular textures.
gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
}
if (mFBO)
{
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+offset,
LLTexUnit::getInternalType(mUsage), tex, 0);
stop_glerror();
check_framebuffer_status();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
}
mTex.push_back(tex);
}
void render_ui_2d()
{
LLGLSUIDefault gls_ui;
/////////////////////////////////////////////////////////////
//
// Render 2D UI elements that overlay the world (no z compare)
// Disable wireframe mode below here, as this is HUD/menus
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
// Menu overlays, HUD, etc
gViewerWindow->setup2DRender();
F32 zoom_factor = LLViewerCamera::getInstance()->getZoomFactor();
S16 sub_region = LLViewerCamera::getInstance()->getZoomSubRegion();
if (zoom_factor > 1.f)
{
//decompose subregion number to x and y values
int pos_y = sub_region / llceil(zoom_factor);
int pos_x = sub_region - (pos_y*llceil(zoom_factor));
// offset for this tile
LLFontGL::sCurOrigin.mX -= llround((F32)gViewerWindow->getWindowWidth() * (F32)pos_x / zoom_factor);
LLFontGL::sCurOrigin.mY -= llround((F32)gViewerWindow->getWindowHeight() * (F32)pos_y / zoom_factor);
}
stop_glerror();
gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
// render outline for HUD
if (gAgent.getAvatarObject() && gAgent.mHUDCurZoom < 0.98f)
{
glPushMatrix();
S32 half_width = (gViewerWindow->getWindowWidth() / 2);
S32 half_height = (gViewerWindow->getWindowHeight() / 2);
glScalef(LLUI::sGLScaleFactor.mV[0], LLUI::sGLScaleFactor.mV[1], 1.f);
glTranslatef((F32)half_width, (F32)half_height, 0.f);
F32 zoom = gAgent.mHUDCurZoom;
glScalef(zoom,zoom,1.f);
gGL.color4fv(LLColor4::white.mV);
gl_rect_2d(-half_width, half_height, half_width, -half_height, FALSE);
glPopMatrix();
stop_glerror();
}
gViewerWindow->draw();
if (gDebugSelect)
{
gViewerWindow->drawPickBuffer();
}
// reset current origin for font rendering, in case of tiling render
LLFontGL::sCurOrigin.set(0, 0);
}
void LLDrawPoolSimple::endRenderPass(S32 pass)
{
LLFastTimer t(FTM_RENDER_SIMPLE);
stop_glerror();
LLRenderPass::endRenderPass(pass);
stop_glerror();
if (mVertexShaderLevel > 0)
{
simple_shader->unbind();
}
}
//-----------------------------------------------------------------------------
// updateFaceData()
//-----------------------------------------------------------------------------
void LLViewerJointMesh::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind)
{
mFace = face;
if (mFace->mVertexBuffer.isNull())
{
return;
}
LLStrider<LLVector3> verticesp;
LLStrider<LLVector3> normalsp;
LLStrider<LLVector2> tex_coordsp;
LLStrider<F32> vertex_weightsp;
LLStrider<LLVector4> clothing_weightsp;
LLStrider<U16> indicesp;
// Copy data into the faces from the polymesh data.
if (mMesh && mValid)
{
if (mMesh->getNumVertices())
{
stop_glerror();
face->getGeometryAvatar(verticesp, normalsp, tex_coordsp, vertex_weightsp, clothing_weightsp);
stop_glerror();
face->mVertexBuffer->getIndexStrider(indicesp);
stop_glerror();
for (U16 i = 0; i < mMesh->getNumVertices(); i++)
{
verticesp[mMesh->mFaceVertexOffset + i] = *(mMesh->getCoords() + i);
tex_coordsp[mMesh->mFaceVertexOffset + i] = *(mMesh->getTexCoords() + i);
normalsp[mMesh->mFaceVertexOffset + i] = *(mMesh->getNormals() + i);
vertex_weightsp[mMesh->mFaceVertexOffset + i] = *(mMesh->getWeights() + i);
if (damp_wind)
{
clothing_weightsp[mMesh->mFaceVertexOffset + i] = LLVector4(0,0,0,0);
}
else
{
clothing_weightsp[mMesh->mFaceVertexOffset + i] = (*(mMesh->getClothingWeights() + i));
}
}
for (S32 i = 0; i < mMesh->getNumFaces(); i++)
{
for (U32 j = 0; j < 3; j++)
{
U32 k = i*3+j+mMesh->mFaceIndexOffset;
indicesp[k] = mMesh->getFaces()[i][j] + mMesh->mFaceVertexOffset;
}
}
}
}
}
// static
void LLScreenClipRect::updateScissorRegion()
{
LLRect rect = sClipRectStack.top();
stop_glerror();
S32 x,y,w,h;
x = llfloor(rect.mLeft * LLUI::getScaleFactor().mV[VX]);
y = llfloor(rect.mBottom * LLUI::getScaleFactor().mV[VY]);
w = llmax(0, llceil(rect.getWidth() * LLUI::getScaleFactor().mV[VX])) + 1;
h = llmax(0, llceil(rect.getHeight() * LLUI::getScaleFactor().mV[VY])) + 1;
gGL.setScissor( x,y,w,h );
stop_glerror();
}
//static
void LLDrawPoolBump::beginBump(U32 pass)
{
if (!gPipeline.hasRenderBatches(pass))
{
return;
}
sVertexMask = VERTEX_MASK_BUMP;
LL_RECORD_BLOCK_TIME(FTM_RENDER_BUMP);
// Optional second pass: emboss bump map
stop_glerror();
if (LLGLSLShader::sNoFixedFunction)
{
gObjectBumpProgram.bind();
}
else
{
// TEXTURE UNIT 0
// Output.rgb = texture at texture coord 0
gGL.getTexUnit(0)->activate();
gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
// TEXTURE UNIT 1
gGL.getTexUnit(1)->activate();
gGL.getTexUnit(1)->enable(LLTexUnit::TT_TEXTURE);
gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_ADD_SIGNED, LLTexUnit::TBS_PREV_COLOR, LLTexUnit::TBS_ONE_MINUS_TEX_ALPHA);
gGL.getTexUnit(1)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
// src = tex0 + (1 - tex1) - 0.5
// = (bump0/2 + 0.5) + (1 - (bump1/2 + 0.5)) - 0.5
// = (1 + bump0 - bump1) / 2
// Blend: src * dst + dst * src
// = 2 * src * dst
// = 2 * ((1 + bump0 - bump1) / 2) * dst [0 - 2 * dst]
// = (1 + bump0 - bump1) * dst.rgb
// = dst.rgb + dst.rgb * (bump0 - bump1)
gGL.getTexUnit(0)->activate();
gGL.getTexUnit(1)->unbind(LLTexUnit::TT_TEXTURE);
}
gGL.setSceneBlendType(LLRender::BT_MULT_X2);
stop_glerror();
}
BOOL LLFontGL::addChar(const llwchar wch)
{
if (!LLFont::addChar(wch))
{
return FALSE;
}
stop_glerror();
mImageGLp->setSubImage(mRawImageGLp, 0, 0, mImageGLp->getWidth(), mImageGLp->getHeight());
mImageGLp->bind();
mImageGLp->setMipFilterNearest(TRUE, TRUE);
stop_glerror();
return TRUE;
}
void LLDrawPoolFullbright::endRenderPass(S32 pass)
{
LLFastTimer t(FTM_RENDER_FULLBRIGHT);
LLRenderPass::endRenderPass(pass);
stop_glerror();
if (mVertexShaderLevel > 0)
{
fullbright_shader->unbind();
}
stop_glerror();
}
bool LLMultisampleBuffer::allocateDepth()
{
glGenRenderbuffers(1, (GLuint* ) &mDepth);
glBindRenderbuffer(GL_RENDERBUFFER, mDepth);
stop_glerror();
clear_glerror();
if (mStencil)
{
glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, GL_DEPTH24_STENCIL8, mResX, mResY);
}
else
{
glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, GL_DEPTH_COMPONENT24, mResX, mResY);
}
if (glGetError() != GL_NO_ERROR)
{
llwarns << "Unable to allocate depth buffer for multisample render target." << llendl;
return false;
}
sBytesAllocated += mResX*mResY*4;
return true;
}
void LLPostProcess::initialize(unsigned int width, unsigned int height)
{
destroyGL();
mScreenWidth = width;
mScreenHeight = height;
createScreenTextures();
createNoiseTexture();
//Setup our VBO.
{
mVBO = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_TEXCOORD1,3);
mVBO->allocateBuffer(4,0,TRUE);
LLStrider<LLVector3> v;
LLStrider<LLVector2> uv1;
LLStrider<LLVector2> uv2;
mVBO->getVertexStrider(v);
mVBO->getTexCoord0Strider(uv1);
mVBO->getTexCoord1Strider(uv2);
v[0] = LLVector3( uv2[0] = uv1[0] = LLVector2(0, 0) );
v[1] = LLVector3( uv2[1] = uv1[1] = LLVector2(0, mScreenHeight) );
v[2] = LLVector3( uv2[2] = uv1[2] = LLVector2(mScreenWidth, 0) );
v[3] = LLVector3( uv2[3] = uv1[3] = LLVector2(mScreenWidth, mScreenHeight) );
mVBO->flush();
}
stop_glerror();
}
void LLDrawPoolGrass::beginRenderPass(S32 pass)
{
LLFastTimer t(FTM_RENDER_GRASS);
stop_glerror();
if (LLPipeline::sUnderWaterRender)
{
simple_shader = &gObjectAlphaMaskNonIndexedWaterProgram;
}
else
{
simple_shader = &gObjectAlphaMaskNonIndexedProgram;
}
if (mVertexShaderLevel > 0)
{
simple_shader->bind();
simple_shader->setMinimumAlpha(0.5f);
}
else
{
gGL.setAlphaRejectSettings(LLRender::CF_GREATER, 0.5f);
// don't use shaders!
if (gGLManager.mHasShaderObjects)
{
LLGLSLShader::bindNoShader();
}
}
}
void LLCubeMap::initGL()
{
llassert(gGLManager.mInited);
if (gGLManager.mHasCubeMap && LLCubeMap::sUseCubeMaps)
{
// Not initialized, do stuff.
if (mImages[0].isNull())
{
U32 texname = 0;
LLImageGL::generateTextures(1, &texname);
for (int i = 0; i < 6; i++)
{
mImages[i] = new LLImageGL(64, 64, 4, (use_cube_mipmaps? TRUE : FALSE));
mImages[i]->setTarget(mTargets[i], LLTexUnit::TT_CUBE_MAP);
mRawImages[i] = new LLImageRaw(64, 64, 4);
mImages[i]->createGLTexture(0, mRawImages[i], texname);
gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_CUBE_MAP, texname);
mImages[i]->setAddressMode(LLTexUnit::TAM_CLAMP);
stop_glerror();
}
gGL.getTexUnit(0)->disable();
}
disable();
}
else
{
llwarns << "Using cube map without extension!" << llendl;
}
}
void LLRenderTarget::release()
{
if (mDepth)
{
if (mStencil)
{
glDeleteRenderbuffersEXT(1, (GLuint*) &mDepth);
stop_glerror();
}
else
{
LLImageGL::deleteTextures(1, &mDepth);
stop_glerror();
}
mDepth = 0;
}
else if (mUseDepth && mFBO)
{ //detach shared depth buffer
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
if (mStencil)
{ //attached as a renderbuffer
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, 0);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, 0);
mStencil = false;
}
else
{ //attached as a texture
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, LLTexUnit::getInternalType(mUsage), 0, 0);
}
mUseDepth = false;
}
if (mFBO)
{
glDeleteFramebuffersEXT(1, (GLuint *) &mFBO);
mFBO = 0;
}
if (mTex.size() > 0)
{
LLImageGL::deleteTextures(mTex.size(), &mTex[0]);
mTex.clear();
}
mSampleBuffer = NULL;
sBoundTarget = NULL;
}
void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0, S32 srcX1, S32 srcY1,
S32 dstX0, S32 dstY0, S32 dstX1, S32 dstY1, U32 mask, U32 filter)
{
GLboolean write_depth = mask & GL_DEPTH_BUFFER_BIT ? TRUE : FALSE;
LLGLDepthTest depth(write_depth, write_depth);
gGL.flush();
if (!source.mFBO || !mFBO)
{
llerrs << "Cannot copy framebuffer contents for non FBO render targets." << llendl;
}
if (mSampleBuffer)
{
mSampleBuffer->copyContents(source, srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
}
else
{
if (mask == GL_DEPTH_BUFFER_BIT && source.mStencil != mStencil)
{
stop_glerror();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, source.mFBO);
gGL.getTexUnit(0)->bind(this, true);
stop_glerror();
glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, srcX0, srcY0, dstX0, dstY0, dstX1, dstY1);
stop_glerror();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
stop_glerror();
}
else
{
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, source.mFBO);
stop_glerror();
glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, mFBO);
stop_glerror();
check_framebuffer_status();
stop_glerror();
if(gGLManager.mIsATI && mask & GL_STENCIL_BUFFER_BIT)
{
mask &= ~GL_STENCIL_BUFFER_BIT;
glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, GL_STENCIL_BUFFER_BIT, filter);
}
if(mask)
glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
stop_glerror();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
stop_glerror();
}
}
}
//static
void LLScreenClipRect::updateScissorRegion()
{
if (sClipRectStack.empty()) return;
// finish any deferred calls in the old clipping region
gGL.flush();
LLRect rect = sClipRectStack.top();
stop_glerror();
S32 x,y,w,h;
x = llfloor(rect.mLeft * LLUI::sGLScaleFactor.mV[VX]);
y = llfloor(rect.mBottom * LLUI::sGLScaleFactor.mV[VY]);
w = llmax(0, llceil(rect.getWidth() * LLUI::sGLScaleFactor.mV[VX])) + 1;
h = llmax(0, llceil(rect.getHeight() * LLUI::sGLScaleFactor.mV[VY])) + 1;
glScissor( x,y,w,h );
stop_glerror();
}
void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target)
{
if (!mFBO || !target.mFBO)
{
llerrs << "Cannot share depth buffer between non FBO render targets." << llendl;
}
if (target.mDepth)
{
llerrs << "Attempting to override existing depth buffer. Detach existing buffer first." << llendl;
}
if (target.mUseDepth)
{
llerrs << "Attempting to override existing shared depth buffer. Detach existing buffer first." << llendl;
}
if (mDepth)
{
stop_glerror();
glBindFramebuffer(GL_FRAMEBUFFER, target.mFBO);
stop_glerror();
if (mStencil)
{
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepth);
stop_glerror();
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mDepth);
stop_glerror();
target.mStencil = true;
}
else
{
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
stop_glerror();
}
check_framebuffer_status();
glBindFramebuffer(GL_FRAMEBUFFER, 0);
target.mUseDepth = true;
}
}
void LLWLParamManager::update(LLViewerCamera * cam)
{
LLFastTimer ftm(LLFastTimer::FTM_UPDATE_WLPARAM);
// update clouds, sun, and general
mCurParams.updateCloudScrolling();
// update only if running
if(mAnimator.mIsRunning)
{
mAnimator.update(mCurParams);
}
// update the shaders and the menu
propagateParameters();
// sync menus if they exist
if(LLFloaterWindLight::isOpen())
{
LLFloaterWindLight::instance()->syncMenu();
}
if(LLFloaterDayCycle::isOpen())
{
LLFloaterDayCycle::instance()->syncMenu();
}
if(LLFloaterEnvSettings::isOpen())
{
LLFloaterEnvSettings::instance()->syncMenu();
}
F32 camYaw = cam->getYaw();
stop_glerror();
// *TODO: potential optimization - this block may only need to be
// executed some of the time. For example for water shaders only.
{
F32 camYawDelta = mSunDeltaYaw * DEG_TO_RAD;
LLVector3 lightNorm3(mLightDir);
lightNorm3 *= LLQuaternion(-(camYaw + camYawDelta), LLVector3(0.f, 1.f, 0.f));
mRotatedLightDir = LLVector4(lightNorm3, 0.f);
LLViewerShaderMgr::shader_iter shaders_iter, end_shaders;
end_shaders = LLViewerShaderMgr::instance()->endShaders();
for(shaders_iter = LLViewerShaderMgr::instance()->beginShaders(); shaders_iter != end_shaders; ++shaders_iter)
{
if (shaders_iter->mProgramObject != 0
&& (gPipeline.canUseWindLightShaders()
|| shaders_iter->mShaderGroup == LLGLSLShader::SG_WATER))
{
shaders_iter->mUniformsDirty = TRUE;
}
}
}
}
