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Diffstat (limited to 'indra/llrender/llpostprocess.h')
| -rw-r--r-- | indra/llrender/llpostprocess.h | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/indra/llrender/llpostprocess.h b/indra/llrender/llpostprocess.h new file mode 100644 index 0000000000..b31333a28b --- /dev/null +++ b/indra/llrender/llpostprocess.h @@ -0,0 +1,268 @@ +/** + * @file llpostprocess.h + * @brief LLPostProcess class definition + * + * $LicenseInfo:firstyear=2007&license=viewergpl$ + * + * Copyright (c) 2007-2007, 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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. + * $/LicenseInfo$ + */ + +#ifndef LL_POSTPROCESS_H +#define LL_POSTPROCESS_H + +#include <map> +#include <fstream> +#include "llgl.h" +#include "llglheaders.h" + +class LLPostProcess +{ +public: + + typedef enum _QuadType { + QUAD_NORMAL, + QUAD_NOISE, + QUAD_BLOOM_EXTRACT, + QUAD_BLOOM_COMBINE + } QuadType; + + /// GLSL Shader Encapsulation Struct + typedef std::map<const char *, GLuint> glslUniforms; + + struct PostProcessTweaks : public LLSD { + inline PostProcessTweaks() : LLSD(LLSD::emptyMap()) + { + } + + inline LLSD & brightMult() { + return (*this)["brightness_multiplier"]; + } + + inline LLSD & noiseStrength() { + return (*this)["noise_strength"]; + } + + inline LLSD & noiseSize() { + return (*this)["noise_size"]; + } + + inline LLSD & extractLow() { + return (*this)["extract_low"]; + } + + inline LLSD & extractHigh() { + return (*this)["extract_high"]; + } + + inline LLSD & bloomWidth() { + return (*this)["bloom_width"]; + } + + inline LLSD & bloomStrength() { + return (*this)["bloom_strength"]; + } + + inline LLSD & brightness() { + return (*this)["brightness"]; + } + + inline LLSD & contrast() { + return (*this)["contrast"]; + } + + inline LLSD & contrastBaseR() { + return (*this)["contrast_base"][0]; + } + + inline LLSD & contrastBaseG() { + return (*this)["contrast_base"][1]; + } + + inline LLSD & contrastBaseB() { + return (*this)["contrast_base"][2]; + } + + inline LLSD & contrastBaseIntensity() { + return (*this)["contrast_base"][3]; + } + + inline LLSD & saturation() { + return (*this)["saturation"]; + } + + inline LLSD & useNightVisionShader() { + return (*this)["enable_night_vision"]; + } + + inline LLSD & useBloomShader() { + return (*this)["enable_bloom"]; + } + + inline LLSD & useColorFilter() { + return (*this)["enable_color_filter"]; + } + + + inline F32 getBrightMult() const { + return F32((*this)["brightness_multiplier"].asReal()); + } + + inline F32 getNoiseStrength() const { + return F32((*this)["noise_strength"].asReal()); + } + + inline F32 getNoiseSize() const { + return F32((*this)["noise_size"].asReal()); + } + + inline F32 getExtractLow() const { + return F32((*this)["extract_low"].asReal()); + } + + inline F32 getExtractHigh() const { + return F32((*this)["extract_high"].asReal()); + } + + inline F32 getBloomWidth() const { + return F32((*this)["bloom_width"].asReal()); + } + + inline F32 getBloomStrength() const { + return F32((*this)["bloom_strength"].asReal()); + } + + inline F32 getBrightness() const { + return F32((*this)["brightness"].asReal()); + } + + inline F32 getContrast() const { + return F32((*this)["contrast"].asReal()); + } + + inline F32 getContrastBaseR() const { + return F32((*this)["contrast_base"][0].asReal()); + } + + inline F32 getContrastBaseG() const { + return F32((*this)["contrast_base"][1].asReal()); + } + + inline F32 getContrastBaseB() const { + return F32((*this)["contrast_base"][2].asReal()); + } + + inline F32 getContrastBaseIntensity() const { + return F32((*this)["contrast_base"][3].asReal()); + } + + inline F32 getSaturation() const { + return F32((*this)["saturation"].asReal()); + } + + }; + + GLuint sceneRenderTexture; + GLuint noiseTexture; + GLuint tempBloomTexture; + bool initialized; + PostProcessTweaks tweaks; + + // the map of all availible effects + LLSD mAllEffects; + +public: + LLPostProcess(void); + + ~LLPostProcess(void); + + void apply(unsigned int width, unsigned int height); + + /// Perform global initialization for this class. + static void initClass(void); + + // Cleanup of global data that's only inited once per class. + static void cleanupClass(); + + void setSelectedEffect(std::string const & effectName); + + inline std::string const & getSelectedEffect(void) const { + return mSelectedEffectName; + } + + void saveEffect(std::string const & effectName); + +private: + /// read in from file + std::string mShaderErrorString; + unsigned int screenW; + unsigned int screenH; + + float noiseTextureScale; + + /// Shader Uniforms + glslUniforms nightVisionUniforms; + glslUniforms bloomExtractUniforms; + glslUniforms bloomBlurUniforms; + glslUniforms colorFilterUniforms; + + // the name of currently selected effect in mAllEffects + // invariant: tweaks == mAllEffects[mSelectedEffectName] + std::string mSelectedEffectName; + + /// General functions + void initialize(unsigned int width, unsigned int height); + void doEffects(void); + void applyShaders(void); + bool shadersEnabled(void); + + /// Night Vision Functions + void createNightVisionShader(void); + void applyNightVisionShader(void); + + /// Bloom Functions + void createBloomShader(void); + void applyBloomShader(void); + + /// Color Filter Functions + void createColorFilterShader(void); + void applyColorFilterShader(void); + + /// OpenGL Helper Functions + void getShaderUniforms(glslUniforms & uniforms, GLhandleARB & prog); + void createTexture(GLuint & texture, unsigned int width, unsigned int height); + void copyFrameBuffer(GLuint & texture, unsigned int width, unsigned int height); + void createNoiseTexture(GLuint & texture); + bool checkError(void); + void checkShaderError(GLhandleARB shader); + void drawOrthoQuad(unsigned int width, unsigned int height, QuadType type); + void viewOrthogonal(unsigned int width, unsigned int height); + void changeOrthogonal(unsigned int width, unsigned int height); + void viewPerspective(void); +}; + +extern LLPostProcess * gPostProcess; + + +#endif // LL_POSTPROCESS_H |