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Diffstat (limited to 'indra/llrender/llpostprocess.cpp')
| -rw-r--r-- | indra/llrender/llpostprocess.cpp | 454 |
1 files changed, 0 insertions, 454 deletions
diff --git a/indra/llrender/llpostprocess.cpp b/indra/llrender/llpostprocess.cpp deleted file mode 100644 index eef7193c92..0000000000 --- a/indra/llrender/llpostprocess.cpp +++ /dev/null @@ -1,454 +0,0 @@ -/** - * @file llpostprocess.cpp - * @brief LLPostProcess class implementation - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#include "linden_common.h" - -#include "llpostprocess.h" -#include "llglslshader.h" -#include "llsdserialize.h" -#include "llrender.h" - -static LLStaticHashedString sRenderTexture("RenderTexture"); -static LLStaticHashedString sBrightness("brightness"); -static LLStaticHashedString sContrast("contrast"); -static LLStaticHashedString sContrastBase("contrastBase"); -static LLStaticHashedString sSaturation("saturation"); -static LLStaticHashedString sLumWeights("lumWeights"); -static LLStaticHashedString sNoiseTexture("NoiseTexture"); -static LLStaticHashedString sBrightMult("brightMult"); -static LLStaticHashedString sNoiseStrength("noiseStrength"); -static LLStaticHashedString sExtractLow("extractLow"); -static LLStaticHashedString sExtractHigh("extractHigh"); -static LLStaticHashedString sBloomStrength("bloomStrength"); -static LLStaticHashedString sTexelSize("texelSize"); -static LLStaticHashedString sBlurDirection("blurDirection"); -static LLStaticHashedString sBlurWidth("blurWidth"); - -LLPostProcess * gPostProcess = NULL; - -static const unsigned int NOISE_SIZE = 512; - -LLPostProcess::LLPostProcess(void) : - initialized(false), - mAllEffects(LLSD::emptyMap()), - screenW(1), screenH(1) -{ - mSceneRenderTexture = NULL ; - mNoiseTexture = NULL ; - mTempBloomTexture = NULL ; - - noiseTextureScale = 1.0f; - - /* Do nothing. Needs to be updated to use our current shader system, and to work with the move into llrender. - std::string pathName(gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "windlight", XML_FILENAME)); - LL_DEBUGS("AppInit", "Shaders") << "Loading PostProcess Effects settings from " << pathName << LL_ENDL; - - llifstream effectsXML(pathName); - - if (effectsXML) - { - LLPointer<LLSDParser> parser = new LLSDXMLParser(); - - parser->parse(effectsXML, mAllEffects, LLSDSerialize::SIZE_UNLIMITED); - } - - if (!mAllEffects.has("default")) - { - LLSD & defaultEffect = (mAllEffects["default"] = LLSD::emptyMap()); - - defaultEffect["enable_night_vision"] = LLSD::Boolean(false); - defaultEffect["enable_bloom"] = LLSD::Boolean(false); - defaultEffect["enable_color_filter"] = LLSD::Boolean(false); - - /// NVG Defaults - defaultEffect["brightness_multiplier"] = 3.0; - defaultEffect["noise_size"] = 25.0; - defaultEffect["noise_strength"] = 0.4; - - // TODO BTest potentially add this to tweaks? - noiseTextureScale = 1.0f; - - /// Bloom Defaults - defaultEffect["extract_low"] = 0.95; - defaultEffect["extract_high"] = 1.0; - defaultEffect["bloom_width"] = 2.25; - defaultEffect["bloom_strength"] = 1.5; - - /// Color Filter Defaults - defaultEffect["brightness"] = 1.0; - defaultEffect["contrast"] = 1.0; - defaultEffect["saturation"] = 1.0; - - LLSD& contrastBase = (defaultEffect["contrast_base"] = LLSD::emptyArray()); - contrastBase.append(1.0); - contrastBase.append(1.0); - contrastBase.append(1.0); - contrastBase.append(0.5); - } - - setSelectedEffect("default"); - */ -} - -LLPostProcess::~LLPostProcess(void) -{ - invalidate() ; -} - -// static -void LLPostProcess::initClass(void) -{ - //this will cause system to crash at second time login - //if first time login fails due to network connection --- bao - //***llassert_always(gPostProcess == NULL); - //replaced by the following line: - if(gPostProcess) - return ; - - - gPostProcess = new LLPostProcess(); -} - -// static -void LLPostProcess::cleanupClass() -{ - delete gPostProcess; - gPostProcess = NULL; -} - -void LLPostProcess::setSelectedEffect(std::string const & effectName) -{ - mSelectedEffectName = effectName; - static_cast<LLSD &>(tweaks) = mAllEffects[effectName]; -} - -void LLPostProcess::saveEffect(std::string const & effectName) -{ - /* Do nothing. Needs to be updated to use our current shader system, and to work with the move into llrender. - mAllEffects[effectName] = tweaks; - - std::string pathName(gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "windlight", XML_FILENAME)); - //LL_INFOS() << "Saving PostProcess Effects settings to " << pathName << LL_ENDL; - - llofstream effectsXML(pathName); - - LLPointer<LLSDFormatter> formatter = new LLSDXMLFormatter(); - - formatter->format(mAllEffects, effectsXML); - */ -} -void LLPostProcess::invalidate() -{ - mSceneRenderTexture = NULL ; - mNoiseTexture = NULL ; - mTempBloomTexture = NULL ; - initialized = false ; -} - -void LLPostProcess::apply(unsigned int width, unsigned int height) -{ - if (!initialized || width != screenW || height != screenH){ - initialize(width, height); - } - if (shadersEnabled()){ - doEffects(); - } -} - -void LLPostProcess::initialize(unsigned int width, unsigned int height) -{ - screenW = width; - screenH = height; - createTexture(mSceneRenderTexture, screenW, screenH); - initialized = true; - - checkError(); - createNightVisionShader(); - createBloomShader(); - createColorFilterShader(); - checkError(); -} - -inline bool LLPostProcess::shadersEnabled(void) -{ - return (tweaks.useColorFilter().asBoolean() || - tweaks.useNightVisionShader().asBoolean() || - tweaks.useBloomShader().asBoolean() ); - -} - -void LLPostProcess::applyShaders(void) -{ - if (tweaks.useColorFilter()){ - applyColorFilterShader(); - checkError(); - } - if (tweaks.useNightVisionShader()){ - /// If any of the above shaders have been called update the frame buffer; - if (tweaks.useColorFilter()) - { - U32 tex = mSceneRenderTexture->getTexName() ; - copyFrameBuffer(tex, screenW, screenH); - } - applyNightVisionShader(); - checkError(); - } - if (tweaks.useBloomShader()){ - /// If any of the above shaders have been called update the frame buffer; - if (tweaks.useColorFilter().asBoolean() || tweaks.useNightVisionShader().asBoolean()) - { - U32 tex = mSceneRenderTexture->getTexName() ; - copyFrameBuffer(tex, screenW, screenH); - } - applyBloomShader(); - checkError(); - } -} - -void LLPostProcess::applyColorFilterShader(void) -{ - -} - -void LLPostProcess::createColorFilterShader(void) -{ - /// Define uniform names - colorFilterUniforms[sRenderTexture] = 0; - colorFilterUniforms[sBrightness] = 0; - colorFilterUniforms[sContrast] = 0; - colorFilterUniforms[sContrastBase] = 0; - colorFilterUniforms[sSaturation] = 0; - colorFilterUniforms[sLumWeights] = 0; -} - -void LLPostProcess::applyNightVisionShader(void) -{ - -} - -void LLPostProcess::createNightVisionShader(void) -{ - /// Define uniform names - nightVisionUniforms[sRenderTexture] = 0; - nightVisionUniforms[sNoiseTexture] = 0; - nightVisionUniforms[sBrightMult] = 0; - nightVisionUniforms[sNoiseStrength] = 0; - nightVisionUniforms[sLumWeights] = 0; - - createNoiseTexture(mNoiseTexture); -} - -void LLPostProcess::applyBloomShader(void) -{ - -} - -void LLPostProcess::createBloomShader(void) -{ - createTexture(mTempBloomTexture, unsigned(screenW * 0.5), unsigned(screenH * 0.5)); - - /// Create Bloom Extract Shader - bloomExtractUniforms[sRenderTexture] = 0; - bloomExtractUniforms[sExtractLow] = 0; - bloomExtractUniforms[sExtractHigh] = 0; - bloomExtractUniforms[sLumWeights] = 0; - - /// Create Bloom Blur Shader - bloomBlurUniforms[sRenderTexture] = 0; - bloomBlurUniforms[sBloomStrength] = 0; - bloomBlurUniforms[sTexelSize] = 0; - bloomBlurUniforms[sBlurDirection] = 0; - bloomBlurUniforms[sBlurWidth] = 0; -} - -void LLPostProcess::getShaderUniforms(glslUniforms & uniforms, GLuint & prog) -{ - /// Find uniform locations and insert into map - glslUniforms::iterator i; - for (i = uniforms.begin(); i != uniforms.end(); ++i){ - i->second = glGetUniformLocation(prog, i->first.String().c_str()); - } -} - -void LLPostProcess::doEffects(void) -{ - /// Save GL State - glPushAttrib(GL_ALL_ATTRIB_BITS); - glPushClientAttrib(GL_ALL_ATTRIB_BITS); - - /// Copy the screen buffer to the render texture - { - U32 tex = mSceneRenderTexture->getTexName() ; - copyFrameBuffer(tex, screenW, screenH); - } - - /// Clear the frame buffer. - glClearColor(0.0f, 0.0f, 0.0f, 1.0f); - glClear(GL_COLOR_BUFFER_BIT); - - /// Change to an orthogonal view - viewOrthogonal(screenW, screenH); - - checkError(); - applyShaders(); - - LLGLSLShader::unbind(); - checkError(); - - /// Change to a perspective view - viewPerspective(); - - /// Reset GL State - glPopClientAttrib(); - glPopAttrib(); - checkError(); -} - -void LLPostProcess::copyFrameBuffer(U32 & texture, unsigned int width, unsigned int height) -{ - gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, texture); - glCopyTexImage2D(GL_TEXTURE_RECTANGLE, 0, GL_RGBA, 0, 0, width, height, 0); -} - -void LLPostProcess::drawOrthoQuad(unsigned int width, unsigned int height, QuadType type) -{ - -} - -void LLPostProcess::viewOrthogonal(unsigned int width, unsigned int height) -{ - gGL.matrixMode(LLRender::MM_PROJECTION); - gGL.pushMatrix(); - gGL.loadIdentity(); - gGL.ortho( 0.f, (GLfloat) width , (GLfloat) height , 0.f, -1.f, 1.f ); - gGL.matrixMode(LLRender::MM_MODELVIEW); - gGL.pushMatrix(); - gGL.loadIdentity(); -} - -void LLPostProcess::viewPerspective(void) -{ - gGL.matrixMode(LLRender::MM_PROJECTION); - gGL.popMatrix(); - gGL.matrixMode(LLRender::MM_MODELVIEW); - gGL.popMatrix(); -} - -void LLPostProcess::changeOrthogonal(unsigned int width, unsigned int height) -{ - viewPerspective(); - viewOrthogonal(width, height); -} - -void LLPostProcess::createTexture(LLPointer<LLImageGL>& texture, unsigned int width, unsigned int height) -{ - std::vector<GLubyte> data(width * height * 4, 0) ; - - texture = new LLImageGL(false) ; - if(texture->createGLTexture()) - { - gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, texture->getTexName()); - glTexImage2D(GL_TEXTURE_RECTANGLE, 0, 4, width, height, 0, - GL_RGBA, GL_UNSIGNED_BYTE, &data[0]); - gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR); - gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP); - } -} - -void LLPostProcess::createNoiseTexture(LLPointer<LLImageGL>& texture) -{ - std::vector<GLubyte> buffer(NOISE_SIZE * NOISE_SIZE); - for (unsigned int i = 0; i < NOISE_SIZE; i++){ - for (unsigned int k = 0; k < NOISE_SIZE; k++){ - buffer[(i * NOISE_SIZE) + k] = (GLubyte)((double) rand() / ((double) RAND_MAX + 1.f) * 255.f); - } - } - - texture = new LLImageGL(false) ; - if(texture->createGLTexture()) - { - gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, texture->getTexName()); - LLImageGL::setManualImage(GL_TEXTURE_2D, 0, GL_LUMINANCE, NOISE_SIZE, NOISE_SIZE, GL_LUMINANCE, GL_UNSIGNED_BYTE, &buffer[0]); - gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR); - gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_WRAP); - } -} - -bool LLPostProcess::checkError(void) -{ - GLenum glErr; - bool retCode = false; - - glErr = glGetError(); - while (glErr != GL_NO_ERROR) - { - // shaderErrorLog << (const char *) gluErrorString(glErr) << std::endl; - char const * err_str_raw = (const char *) gluErrorString(glErr); - - if(err_str_raw == NULL) - { - std::ostringstream err_builder; - err_builder << "unknown error number " << glErr; - mShaderErrorString = err_builder.str(); - } - else - { - mShaderErrorString = err_str_raw; - } - - retCode = true; - glErr = glGetError(); - } - return retCode; -} - -void LLPostProcess::checkShaderError(GLuint shader) -{ - GLint infologLength = 0; - GLint charsWritten = 0; - GLchar *infoLog; - - checkError(); // Check for OpenGL errors - - glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infologLength); - - checkError(); // Check for OpenGL errors - - if (infologLength > 0) - { - infoLog = (GLchar *)malloc(infologLength); - if (infoLog == NULL) - { - /// Could not allocate infolog buffer - return; - } - glGetProgramInfoLog(shader, infologLength, &charsWritten, infoLog); - // shaderErrorLog << (char *) infoLog << std::endl; - mShaderErrorString = (char *) infoLog; - free(infoLog); - } - checkError(); // Check for OpenGL errors -} |