From 798d367d54a6c6379ad355bd8345fa40e31e7fe9 Mon Sep 17 00:00:00 2001 From: Jacek Antonelli Date: Sat, 6 Sep 2008 18:24:57 -0500 Subject: Second Life viewer sources 1.21.0-RC --- linden/indra/newview/llpostprocess.cpp | 567 --------------------------------- 1 file changed, 567 deletions(-) delete mode 100644 linden/indra/newview/llpostprocess.cpp (limited to 'linden/indra/newview/llpostprocess.cpp') diff --git a/linden/indra/newview/llpostprocess.cpp b/linden/indra/newview/llpostprocess.cpp deleted file mode 100644 index 7ee7100..0000000 --- a/linden/indra/newview/llpostprocess.cpp +++ /dev/null @@ -1,567 +0,0 @@ -/** - * @file llpostprocess.cpp - * @brief LLPostProcess class implementation - * - * $LicenseInfo:firstyear=2007&license=viewergpl$ - * - * Copyright (c) 2007-2008, Linden Research, Inc. - * - * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 - * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/flossexception - * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. - * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. - * $/LicenseInfo$ - */ - -#include "llviewerprecompiledheaders.h" - -#include "pipeline.h" -#include "llpostprocess.h" -#include "llglslshader.h" -#include "llsdserialize.h" -#include "llrender.h" - - -LLPostProcess * gPostProcess = NULL; - - -static const unsigned int NOISE_SIZE = 512; - -/// CALCULATING LUMINANCE (Using NTSC lum weights) -/// http://en.wikipedia.org/wiki/Luma_%28video%29 -static const float LUMINANCE_R = 0.299f; -static const float LUMINANCE_G = 0.587f; -static const float LUMINANCE_B = 0.114f; - -static const char * const XML_FILENAME = "postprocesseffects.xml"; - -LLPostProcess::LLPostProcess(void) : - sceneRenderTexture(0), noiseTexture(0), - tempBloomTexture(0), - initialized(false), - mAllEffects(LLSD::emptyMap()), - screenW(1), screenH(1) -{ - LLString pathName(gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "windlight", XML_FILENAME)); - LL_DEBUGS2("AppInit", "Shaders") << "Loading PostProcess Effects settings from " << pathName << LL_ENDL; - - llifstream effectsXML(pathName.c_str()); - - if (effectsXML) - { - LLPointer 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) -{ - glDeleteTextures(1, &sceneRenderTexture); - glDeleteTextures(1, &noiseTexture); - glDeleteTextures(1, &tempBloomTexture); -} - -// 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(tweaks) = mAllEffects[effectName]; -} - -void LLPostProcess::saveEffect(std::string const & effectName) -{ - mAllEffects[effectName] = tweaks; - - LLString pathName(gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "windlight", XML_FILENAME)); - //llinfos << "Saving PostProcess Effects settings to " << pathName << llendl; - - llofstream effectsXML(pathName.c_str()); - - LLPointer formatter = new LLSDXMLFormatter(); - - formatter->format(mAllEffects, effectsXML); -} - -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(sceneRenderTexture, 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()){ - copyFrameBuffer(sceneRenderTexture, 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()){ - copyFrameBuffer(sceneRenderTexture, screenW, screenH); - } - applyBloomShader(); - checkError(); - } -} - -void LLPostProcess::applyColorFilterShader(void) -{ - gPostColorFilterProgram.bind(); - - gGL.getTexUnit(0)->activate(); - glEnable(GL_TEXTURE_RECTANGLE_ARB); - - glBindTexture(GL_TEXTURE_RECTANGLE_ARB, sceneRenderTexture); - - getShaderUniforms(colorFilterUniforms, gPostColorFilterProgram.mProgramObject); - glUniform1iARB(colorFilterUniforms["RenderTexture"], 0); - glUniform1fARB(colorFilterUniforms["brightness"], tweaks.getBrightness()); - glUniform1fARB(colorFilterUniforms["contrast"], tweaks.getContrast()); - float baseI = (tweaks.getContrastBaseR() + tweaks.getContrastBaseG() + tweaks.getContrastBaseB()) / 3.0f; - baseI = tweaks.getContrastBaseIntensity() / ((baseI < 0.001f) ? 0.001f : baseI); - float baseR = tweaks.getContrastBaseR() * baseI; - float baseG = tweaks.getContrastBaseG() * baseI; - float baseB = tweaks.getContrastBaseB() * baseI; - glUniform3fARB(colorFilterUniforms["contrastBase"], baseR, baseG, baseB); - glUniform1fARB(colorFilterUniforms["saturation"], tweaks.getSaturation()); - glUniform3fARB(colorFilterUniforms["lumWeights"], LUMINANCE_R, LUMINANCE_G, LUMINANCE_B); - - LLGLEnable blend(GL_BLEND); - gGL.setSceneBlendType(LLRender::BT_REPLACE); - LLGLDepthTest depth(GL_FALSE); - - /// Draw a screen space quad - drawOrthoQuad(screenW, screenH, QUAD_NORMAL); - gPostColorFilterProgram.unbind(); -} - -void LLPostProcess::createColorFilterShader(void) -{ - /// Define uniform names - colorFilterUniforms["RenderTexture"] = 0; - colorFilterUniforms["brightness"] = 0; - colorFilterUniforms["contrast"] = 0; - colorFilterUniforms["contrastBase"] = 0; - colorFilterUniforms["saturation"] = 0; - colorFilterUniforms["lumWeights"] = 0; -} - -void LLPostProcess::applyNightVisionShader(void) -{ - gPostNightVisionProgram.bind(); - - gGL.getTexUnit(0)->activate(); - glEnable(GL_TEXTURE_RECTANGLE_ARB); - - getShaderUniforms(nightVisionUniforms, gPostNightVisionProgram.mProgramObject); - glBindTexture(GL_TEXTURE_RECTANGLE_ARB, sceneRenderTexture); - glUniform1iARB(nightVisionUniforms["RenderTexture"], 0); - - gGL.getTexUnit(1)->activate(); - glEnable(GL_TEXTURE_2D); - - glBindTexture(GL_TEXTURE_2D, noiseTexture); - glUniform1iARB(nightVisionUniforms["NoiseTexture"], 1); - - - glUniform1fARB(nightVisionUniforms["brightMult"], tweaks.getBrightMult()); - glUniform1fARB(nightVisionUniforms["noiseStrength"], tweaks.getNoiseStrength()); - noiseTextureScale = 0.01f + ((101.f - tweaks.getNoiseSize()) / 100.f); - noiseTextureScale *= (screenH / NOISE_SIZE); - - - glUniform3fARB(nightVisionUniforms["lumWeights"], LUMINANCE_R, LUMINANCE_G, LUMINANCE_B); - - LLGLEnable blend(GL_BLEND); - gGL.setSceneBlendType(LLRender::BT_REPLACE); - LLGLDepthTest depth(GL_FALSE); - - /// Draw a screen space quad - drawOrthoQuad(screenW, screenH, QUAD_NOISE); - gPostNightVisionProgram.unbind(); - gGL.getTexUnit(0)->activate(); -} - -void LLPostProcess::createNightVisionShader(void) -{ - /// Define uniform names - nightVisionUniforms["RenderTexture"] = 0; - nightVisionUniforms["NoiseTexture"] = 0; - nightVisionUniforms["brightMult"] = 0; - nightVisionUniforms["noiseStrength"] = 0; - nightVisionUniforms["lumWeights"] = 0; - - createNoiseTexture(noiseTexture); -} - -void LLPostProcess::applyBloomShader(void) -{ - -} - -void LLPostProcess::createBloomShader(void) -{ - createTexture(tempBloomTexture, unsigned(screenW * 0.5), unsigned(screenH * 0.5)); - - /// Create Bloom Extract Shader - bloomExtractUniforms["RenderTexture"] = 0; - bloomExtractUniforms["extractLow"] = 0; - bloomExtractUniforms["extractHigh"] = 0; - bloomExtractUniforms["lumWeights"] = 0; - - /// Create Bloom Blur Shader - bloomBlurUniforms["RenderTexture"] = 0; - bloomBlurUniforms["bloomStrength"] = 0; - bloomBlurUniforms["texelSize"] = 0; - bloomBlurUniforms["blurDirection"] = 0; - bloomBlurUniforms["blurWidth"] = 0; -} - -void LLPostProcess::getShaderUniforms(glslUniforms & uniforms, GLhandleARB & prog) -{ - /// Find uniform locations and insert into map - std::map::iterator i; - for (i = uniforms.begin(); i != uniforms.end(); ++i){ - i->second = glGetUniformLocationARB(prog, i->first); - } -} - -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 - copyFrameBuffer(sceneRenderTexture, 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::bindNoShader(); - checkError(); - - /// Change to a perspective view - viewPerspective(); - - /// Reset GL State - glPopClientAttrib(); - glPopAttrib(); - checkError(); -} - -void LLPostProcess::copyFrameBuffer(GLuint & texture, unsigned int width, unsigned int height) -{ - glBindTexture(GL_TEXTURE_RECTANGLE_ARB, texture); - glCopyTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 0, 0, width, height, 0); -} - -void LLPostProcess::drawOrthoQuad(unsigned int width, unsigned int height, QuadType type) -{ -#if 0 - float noiseX = 0.f; - float noiseY = 0.f; - float screenRatio = 1.0f; - - if (type == QUAD_NOISE){ - noiseX = ((float) rand() / (float) RAND_MAX); - noiseY = ((float) rand() / (float) RAND_MAX); - screenRatio = (float) width / (float) height; - } - - - glBegin(GL_QUADS); - if (type != QUAD_BLOOM_EXTRACT){ - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.f, (GLfloat) height); - } else { - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.f, (GLfloat) height * 2.0f); - } - if (type == QUAD_NOISE){ - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, - noiseX, - noiseTextureScale + noiseY); - } else if (type == QUAD_BLOOM_COMBINE){ - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.f, (GLfloat) height * 0.5f); - } - glVertex2f(0.f, (GLfloat) screenH - height); - - if (type != QUAD_BLOOM_EXTRACT){ - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.f, 0.f); - } else { - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.f, 0.f); - } - if (type == QUAD_NOISE){ - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, - noiseX, - noiseY); - } else if (type == QUAD_BLOOM_COMBINE){ - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.f, 0.f); - } - glVertex2f(0.f, (GLfloat) height + (screenH - height)); - - - if (type != QUAD_BLOOM_EXTRACT){ - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, (GLfloat) width, 0.f); - } else { - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, (GLfloat) width * 2.0f, 0.f); - } - if (type == QUAD_NOISE){ - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, - screenRatio * noiseTextureScale + noiseX, - noiseY); - } else if (type == QUAD_BLOOM_COMBINE){ - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, (GLfloat) width * 0.5f, 0.f); - } - glVertex2f((GLfloat) width, (GLfloat) height + (screenH - height)); - - - if (type != QUAD_BLOOM_EXTRACT){ - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, (GLfloat) width, (GLfloat) height); - } else { - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, (GLfloat) width * 2.0f, (GLfloat) height * 2.0f); - } - if (type == QUAD_NOISE){ - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, - screenRatio * noiseTextureScale + noiseX, - noiseTextureScale + noiseY); - } else if (type == QUAD_BLOOM_COMBINE){ - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, (GLfloat) width * 0.5f, (GLfloat) height * 0.5f); - } - glVertex2f((GLfloat) width, (GLfloat) screenH - height); - glEnd(); -#endif -} - -void LLPostProcess::viewOrthogonal(unsigned int width, unsigned int height) -{ - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - glLoadIdentity(); - glOrtho( 0.f, (GLdouble) width , (GLdouble) height , 0.f, -1.f, 1.f ); - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - glLoadIdentity(); -} - -void LLPostProcess::viewPerspective(void) -{ - glMatrixMode( GL_PROJECTION ); - glPopMatrix(); - glMatrixMode( GL_MODELVIEW ); - glPopMatrix(); -} - -void LLPostProcess::changeOrthogonal(unsigned int width, unsigned int height) -{ - viewPerspective(); - viewOrthogonal(width, height); -} - -void LLPostProcess::createTexture(GLuint & texture, unsigned int width, unsigned int height) -{ - if (texture != 0){ - glDeleteTextures(1, &texture); - } - - std::vector data(width * height * 4, 0); - - glGenTextures(1, &texture); - glBindTexture(GL_TEXTURE_RECTANGLE_ARB, texture); - glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, 4, width, height, 0, - GL_RGBA, GL_UNSIGNED_BYTE, &data[0]); - glTexParameteri(GL_TEXTURE_RECTANGLE_ARB,GL_TEXTURE_MIN_FILTER,GL_LINEAR); - glTexParameteri(GL_TEXTURE_RECTANGLE_ARB,GL_TEXTURE_MAG_FILTER,GL_LINEAR); - glTexParameteri(GL_TEXTURE_RECTANGLE_ARB,GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_RECTANGLE_ARB,GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); -} - -void LLPostProcess::createNoiseTexture(GLuint & texture) -{ - if (texture != 0){ - glDeleteTextures(1, &texture); - } - glGenTextures(1, &texture); - - std::vector 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); - } - } - glBindTexture(GL_TEXTURE_2D, texture); - glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, NOISE_SIZE, NOISE_SIZE, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, &buffer[0]); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); -} - -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(GLhandleARB shader) -{ - GLint infologLength = 0; - GLint charsWritten = 0; - GLchar *infoLog; - - checkError(); // Check for OpenGL errors - - glGetObjectParameterivARB(shader, GL_OBJECT_INFO_LOG_LENGTH_ARB, &infologLength); - - checkError(); // Check for OpenGL errors - - if (infologLength > 0) - { - infoLog = (GLchar *)malloc(infologLength); - if (infoLog == NULL) - { - /// Could not allocate infolog buffer - return; - } - glGetInfoLogARB(shader, infologLength, &charsWritten, infoLog); - // shaderErrorLog << (char *) infoLog << std::endl; - mShaderErrorString = (char *) infoLog; - free(infoLog); - } - checkError(); // Check for OpenGL errors -} -- cgit v1.1