diff options
Diffstat (limited to 'indra/llrender/llrendertarget.cpp')
| -rw-r--r-- | indra/llrender/llrendertarget.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp index e3c0255290..0408010513 100644 --- a/indra/llrender/llrendertarget.cpp +++ b/indra/llrender/llrendertarget.cpp @@ -170,6 +170,53 @@ bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, boo return addColorAttachment(color_fmt); } +void LLRenderTarget::setColorAttachment(LLImageGL* img, LLGLuint use_name) +{ + LL_PROFILE_ZONE_SCOPED; + llassert(img != nullptr); // img must not be null + llassert(sUseFBO); // FBO support must be enabled + llassert(mDepth == 0); // depth buffers not supported with this mode + llassert(mTex.empty()); // mTex must be empty with this mode (binding target should be done via LLImageGL) + + if (mFBO == 0) + { + glGenFramebuffers(1, (GLuint*)&mFBO); + } + + mResX = img->getWidth(); + mResY = img->getHeight(); + mUsage = img->getTarget(); + + if (use_name == 0) + { + use_name = img->getTexName(); + } + + mTex.push_back(use_name); + + glBindFramebuffer(GL_FRAMEBUFFER, mFBO); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, + LLTexUnit::getInternalType(mUsage), use_name, 0); + stop_glerror(); + + check_framebuffer_status(); + + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); +} + +void LLRenderTarget::releaseColorAttachment() +{ + LL_PROFILE_ZONE_SCOPED; + 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); + + mTex.clear(); +} + bool LLRenderTarget::addColorAttachment(U32 color_fmt) { if (color_fmt == 0) @@ -437,11 +484,13 @@ void LLRenderTarget::bindTarget() GL_COLOR_ATTACHMENT1, GL_COLOR_ATTACHMENT2, GL_COLOR_ATTACHMENT3}; + LL_PROFILER_GPU_ZONEC( "gl.DrawBuffersARB", 0x4000FF ) glDrawBuffersARB(mTex.size(), drawbuffers); } if (mTex.empty()) { //no color buffer to draw to + LL_PROFILER_GPU_ZONEC( "gl.DrawBuffer", 0x0000FF ) glDrawBuffer(GL_NONE); glReadBuffer(GL_NONE); } |