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-rw-r--r--indra/llprimitive/llmaterial.cpp952
1 files changed, 476 insertions, 476 deletions
diff --git a/indra/llprimitive/llmaterial.cpp b/indra/llprimitive/llmaterial.cpp
index c1356fa5ff..fe1587d197 100644
--- a/indra/llprimitive/llmaterial.cpp
+++ b/indra/llprimitive/llmaterial.cpp
@@ -1,476 +1,476 @@
-/**
- * @file llmaterial.cpp
- * @brief Material definition
- *
- * $LicenseInfo:firstyear=2006&license=viewerlgpl$
- * 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 "llmaterial.h"
-#include "hbxxh.h"
-
-/**
- * Materials cap parameters
- */
-#define MATERIALS_CAP_NORMAL_MAP_FIELD "NormMap"
-#define MATERIALS_CAP_NORMAL_MAP_OFFSET_X_FIELD "NormOffsetX"
-#define MATERIALS_CAP_NORMAL_MAP_OFFSET_Y_FIELD "NormOffsetY"
-#define MATERIALS_CAP_NORMAL_MAP_REPEAT_X_FIELD "NormRepeatX"
-#define MATERIALS_CAP_NORMAL_MAP_REPEAT_Y_FIELD "NormRepeatY"
-#define MATERIALS_CAP_NORMAL_MAP_ROTATION_FIELD "NormRotation"
-
-#define MATERIALS_CAP_SPECULAR_MAP_FIELD "SpecMap"
-#define MATERIALS_CAP_SPECULAR_MAP_OFFSET_X_FIELD "SpecOffsetX"
-#define MATERIALS_CAP_SPECULAR_MAP_OFFSET_Y_FIELD "SpecOffsetY"
-#define MATERIALS_CAP_SPECULAR_MAP_REPEAT_X_FIELD "SpecRepeatX"
-#define MATERIALS_CAP_SPECULAR_MAP_REPEAT_Y_FIELD "SpecRepeatY"
-#define MATERIALS_CAP_SPECULAR_MAP_ROTATION_FIELD "SpecRotation"
-
-#define MATERIALS_CAP_SPECULAR_COLOR_FIELD "SpecColor"
-#define MATERIALS_CAP_SPECULAR_EXP_FIELD "SpecExp"
-#define MATERIALS_CAP_ENV_INTENSITY_FIELD "EnvIntensity"
-#define MATERIALS_CAP_ALPHA_MASK_CUTOFF_FIELD "AlphaMaskCutoff"
-#define MATERIALS_CAP_DIFFUSE_ALPHA_MODE_FIELD "DiffuseAlphaMode"
-
-const LLColor4U LLMaterial::DEFAULT_SPECULAR_LIGHT_COLOR(255,255,255,255);
-
-/**
- * Materials constants
- */
-
-const F32 MATERIALS_MULTIPLIER = 10000.f;
-
-/**
- * Helper functions
- */
-
-template<typename T> T getMaterialField(const LLSD& data, const std::string& field, const LLSD::Type field_type)
-{
- if ( (data.has(field)) && (field_type == data[field].type()) )
- {
- return (T)data[field];
- }
- LL_ERRS() << "Missing or mistyped field '" << field << "' in material definition" << LL_ENDL;
- return (T)LLSD();
-}
-
-// GCC didn't like the generic form above for some reason
-template<> LLUUID getMaterialField(const LLSD& data, const std::string& field, const LLSD::Type field_type)
-{
- if ( (data.has(field)) && (field_type == data[field].type()) )
- {
- return data[field].asUUID();
- }
- LL_ERRS() << "Missing or mistyped field '" << field << "' in material definition" << LL_ENDL;
- return LLUUID::null;
-}
-
-/**
- * LLMaterial class
- */
-
-const LLMaterial LLMaterial::null;
-
-LLMaterial::LLMaterial()
- : mNormalOffsetX(0.0f)
- , mNormalOffsetY(0.0f)
- , mNormalRepeatX(1.0f)
- , mNormalRepeatY(1.0f)
- , mNormalRotation(0.0f)
- , mSpecularOffsetX(0.0f)
- , mSpecularOffsetY(0.0f)
- , mSpecularRepeatX(1.0f)
- , mSpecularRepeatY(1.0f)
- , mSpecularRotation(0.0f)
- , mSpecularLightColor(LLMaterial::DEFAULT_SPECULAR_LIGHT_COLOR)
- , mSpecularLightExponent(LLMaterial::DEFAULT_SPECULAR_LIGHT_EXPONENT)
- , mEnvironmentIntensity(LLMaterial::DEFAULT_ENV_INTENSITY)
- , mDiffuseAlphaMode(LLMaterial::DIFFUSE_ALPHA_MODE_BLEND)
- , mAlphaMaskCutoff(0)
-{
-}
-
-LLMaterial::LLMaterial(const LLSD& material_data)
-{
- fromLLSD(material_data);
-}
-
-const LLUUID& LLMaterial::getNormalID() const
-{
- return mNormalID;
-}
-
-void LLMaterial::setNormalID(const LLUUID& normal_id)
-{
- mNormalID = normal_id;
-}
-
-void LLMaterial::getNormalOffset(F32& offset_x, F32& offset_y) const
-{
- offset_x = mNormalOffsetX;
- offset_y = mNormalOffsetY;
-}
-
-F32 LLMaterial::getNormalOffsetX() const
-{
- return mNormalOffsetX;
-}
-
-F32 LLMaterial::getNormalOffsetY() const
-{
- return mNormalOffsetY;
-}
-
-void LLMaterial::setNormalOffset(F32 offset_x, F32 offset_y)
-{
- mNormalOffsetX = offset_x;
- mNormalOffsetY = offset_y;
-}
-
-void LLMaterial::setNormalOffsetX(F32 offset_x)
-{
- mNormalOffsetX = offset_x;
-}
-
-void LLMaterial::setNormalOffsetY(F32 offset_y)
-{
- mNormalOffsetY = offset_y;
-}
-
-void LLMaterial::getNormalRepeat(F32& repeat_x, F32& repeat_y) const
-{
- repeat_x = mNormalRepeatX;
- repeat_y = mNormalRepeatY;
-}
-
-F32 LLMaterial::getNormalRepeatX() const
-{
- return mNormalRepeatX;
-}
-
-F32 LLMaterial::getNormalRepeatY() const
-{
- return mNormalRepeatY;
-}
-
-void LLMaterial::setNormalRepeat(F32 repeat_x, F32 repeat_y)
-{
- mNormalRepeatX = repeat_x;
- mNormalRepeatY = repeat_y;
-}
-
-void LLMaterial::setNormalRepeatX(F32 repeat_x)
-{
- mNormalRepeatX = repeat_x;
-}
-
-void LLMaterial::setNormalRepeatY(F32 repeat_y)
-{
- mNormalRepeatY = repeat_y;
-}
-
-F32 LLMaterial::getNormalRotation() const
-{
- return mNormalRotation;
-}
-
-void LLMaterial::setNormalRotation(F32 rot)
-{
- mNormalRotation = rot;
-}
-
-const LLUUID& LLMaterial::getSpecularID() const
-{
- return mSpecularID;
-}
-
-void LLMaterial::setSpecularID(const LLUUID& specular_id)
-{
- mSpecularID = specular_id;
-}
-
-void LLMaterial::getSpecularOffset(F32& offset_x, F32& offset_y) const
-{
- offset_x = mSpecularOffsetX;
- offset_y = mSpecularOffsetY;
-}
-
-F32 LLMaterial::getSpecularOffsetX() const
-{
- return mSpecularOffsetX;
-}
-
-F32 LLMaterial::getSpecularOffsetY() const
-{
- return mSpecularOffsetY;
-}
-
-void LLMaterial::setSpecularOffset(F32 offset_x, F32 offset_y)
-{
- mSpecularOffsetX = offset_x;
- mSpecularOffsetY = offset_y;
-}
-
-void LLMaterial::setSpecularOffsetX(F32 offset_x)
-{
- mSpecularOffsetX = offset_x;
-}
-
-void LLMaterial::setSpecularOffsetY(F32 offset_y)
-{
- mSpecularOffsetY = offset_y;
-}
-
-void LLMaterial::getSpecularRepeat(F32& repeat_x, F32& repeat_y) const
-{
- repeat_x = mSpecularRepeatX;
- repeat_y = mSpecularRepeatY;
-}
-
-F32 LLMaterial::getSpecularRepeatX() const
-{
- return mSpecularRepeatX;
-}
-
-F32 LLMaterial::getSpecularRepeatY() const
-{
- return mSpecularRepeatY;
-}
-
-void LLMaterial::setSpecularRepeat(F32 repeat_x, F32 repeat_y)
-{
- mSpecularRepeatX = repeat_x; mSpecularRepeatY = repeat_y;
-}
-
-void LLMaterial::setSpecularRepeatX(F32 repeat_x)
-{
- mSpecularRepeatX = repeat_x;
-}
-
-void LLMaterial::setSpecularRepeatY(F32 repeat_y)
-{
- mSpecularRepeatY = repeat_y;
-}
-
-F32 LLMaterial::getSpecularRotation() const
-{
- return mSpecularRotation;
-}
-
-void LLMaterial::setSpecularRotation(F32 rot)
-{
- mSpecularRotation = rot;
-}
-
-const LLColor4U LLMaterial::getSpecularLightColor() const
-{
- return mSpecularLightColor;
-}
-
-void LLMaterial::setSpecularLightColor(const LLColor4U& color)
-{
- mSpecularLightColor = color;
-}
-
-U8 LLMaterial::getSpecularLightExponent() const
-{
- return mSpecularLightExponent;
-}
-
-void LLMaterial::setSpecularLightExponent(U8 exponent)
-{
- mSpecularLightExponent = exponent;
-}
-
-U8 LLMaterial::getEnvironmentIntensity() const
-{
- return mEnvironmentIntensity;
-}
-
-void LLMaterial::setEnvironmentIntensity(U8 intensity)
-{
- mEnvironmentIntensity = intensity;
-}
-
-U8 LLMaterial::getDiffuseAlphaMode() const
-{
- return mDiffuseAlphaMode;
-}
-
-void LLMaterial::setDiffuseAlphaMode(U8 alpha_mode)
-{
- mDiffuseAlphaMode = alpha_mode;
-}
-
-U8 LLMaterial::getAlphaMaskCutoff() const
-{
- return mAlphaMaskCutoff;
-}
-
-void LLMaterial::setAlphaMaskCutoff(U8 cutoff)
-{
- mAlphaMaskCutoff = cutoff;
-}
-
-LLSD LLMaterial::asLLSD() const
-{
- LLSD material_data;
-
- S32 normalOffsetXInt = ll_round(mNormalOffsetX * MATERIALS_MULTIPLIER);
- S32 normalOffsetYInt = ll_round(mNormalOffsetY * MATERIALS_MULTIPLIER);
- S32 normalRotInt = ll_round(mNormalRotation * MATERIALS_MULTIPLIER);
-
- material_data[MATERIALS_CAP_NORMAL_MAP_FIELD] = mNormalID;
- material_data[MATERIALS_CAP_NORMAL_MAP_OFFSET_X_FIELD] = normalOffsetXInt;
- material_data[MATERIALS_CAP_NORMAL_MAP_OFFSET_Y_FIELD] = normalOffsetYInt;
- material_data[MATERIALS_CAP_NORMAL_MAP_REPEAT_X_FIELD] = ll_round(mNormalRepeatX * MATERIALS_MULTIPLIER);
- material_data[MATERIALS_CAP_NORMAL_MAP_REPEAT_Y_FIELD] = ll_round(mNormalRepeatY * MATERIALS_MULTIPLIER);
- material_data[MATERIALS_CAP_NORMAL_MAP_ROTATION_FIELD] = normalRotInt;
-
- material_data[MATERIALS_CAP_SPECULAR_MAP_FIELD] = mSpecularID;
-
- S32 specularOffsetXInt = ll_round(mSpecularOffsetX * MATERIALS_MULTIPLIER);
- S32 specularOffsetYInt = ll_round(mSpecularOffsetY * MATERIALS_MULTIPLIER);
- S32 specularRotInt = ll_round(mSpecularRotation * MATERIALS_MULTIPLIER);
-
- material_data[MATERIALS_CAP_SPECULAR_MAP_OFFSET_X_FIELD] = specularOffsetXInt;
- material_data[MATERIALS_CAP_SPECULAR_MAP_OFFSET_Y_FIELD] = specularOffsetYInt;
- material_data[MATERIALS_CAP_SPECULAR_MAP_REPEAT_X_FIELD] = ll_round(mSpecularRepeatX * MATERIALS_MULTIPLIER);
- material_data[MATERIALS_CAP_SPECULAR_MAP_REPEAT_Y_FIELD] = ll_round(mSpecularRepeatY * MATERIALS_MULTIPLIER);
- material_data[MATERIALS_CAP_SPECULAR_MAP_ROTATION_FIELD] = specularRotInt;
-
- material_data[MATERIALS_CAP_SPECULAR_COLOR_FIELD] = mSpecularLightColor.getValue();
- material_data[MATERIALS_CAP_SPECULAR_EXP_FIELD] = mSpecularLightExponent;
- material_data[MATERIALS_CAP_ENV_INTENSITY_FIELD] = mEnvironmentIntensity;
- material_data[MATERIALS_CAP_DIFFUSE_ALPHA_MODE_FIELD] = mDiffuseAlphaMode;
- material_data[MATERIALS_CAP_ALPHA_MASK_CUTOFF_FIELD] = mAlphaMaskCutoff;
-
- return material_data;
-}
-
-void LLMaterial::fromLLSD(const LLSD& material_data)
-{
- mNormalID = getMaterialField<LLSD::UUID>(material_data, MATERIALS_CAP_NORMAL_MAP_FIELD, LLSD::TypeUUID);
-
- S32 normalOffsetXInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_OFFSET_X_FIELD, LLSD::TypeInteger);
- S32 normalOffsetYInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_OFFSET_Y_FIELD, LLSD::TypeInteger);
- S32 normalRotInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_ROTATION_FIELD, LLSD::TypeInteger);
- S32 normalRepeatXInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_REPEAT_X_FIELD, LLSD::TypeInteger);
- S32 normalRepeatYInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_REPEAT_Y_FIELD, LLSD::TypeInteger);
-
- mNormalOffsetX = F32(normalOffsetXInt) / MATERIALS_MULTIPLIER;
- mNormalOffsetY = F32(normalOffsetYInt) / MATERIALS_MULTIPLIER;
- mNormalRotation = F32(normalRotInt) / MATERIALS_MULTIPLIER;
- mNormalRepeatX = F32(normalRepeatXInt) / MATERIALS_MULTIPLIER;
- mNormalRepeatY = F32(normalRepeatYInt) / MATERIALS_MULTIPLIER;
-
- mSpecularID = getMaterialField<LLSD::UUID>(material_data, MATERIALS_CAP_SPECULAR_MAP_FIELD, LLSD::TypeUUID);
-
- S32 specularOffsetXInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_OFFSET_X_FIELD, LLSD::TypeInteger);
- S32 specularOffsetYInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_OFFSET_Y_FIELD, LLSD::TypeInteger);
- S32 specularRotInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_ROTATION_FIELD, LLSD::TypeInteger);
- S32 specularRepeatXInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_REPEAT_X_FIELD, LLSD::TypeInteger);
- S32 specularRepeatYInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_REPEAT_Y_FIELD, LLSD::TypeInteger);
-
- mSpecularOffsetX = F32(specularOffsetXInt) / MATERIALS_MULTIPLIER;
- mSpecularOffsetY = F32(specularOffsetYInt) / MATERIALS_MULTIPLIER;
- mSpecularRotation = F32(specularRotInt) / MATERIALS_MULTIPLIER;
- mSpecularRepeatX = F32(specularRepeatXInt) / MATERIALS_MULTIPLIER;
- mSpecularRepeatY = F32(specularRepeatYInt) / MATERIALS_MULTIPLIER;
-
- mSpecularLightColor.setValue(getMaterialField<LLSD>(material_data, MATERIALS_CAP_SPECULAR_COLOR_FIELD, LLSD::TypeArray));
- mSpecularLightExponent = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_EXP_FIELD, LLSD::TypeInteger);
- mEnvironmentIntensity = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_ENV_INTENSITY_FIELD, LLSD::TypeInteger);
- mDiffuseAlphaMode = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_DIFFUSE_ALPHA_MODE_FIELD, LLSD::TypeInteger);
- mAlphaMaskCutoff = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_ALPHA_MASK_CUTOFF_FIELD, LLSD::TypeInteger);
-}
-
-bool LLMaterial::isNull() const
-{
- return (*this == null);
-}
-
-bool LLMaterial::operator == (const LLMaterial& rhs) const
-{
- return
- (mNormalID == rhs.mNormalID) && (mNormalOffsetX == rhs.mNormalOffsetX) && (mNormalOffsetY == rhs.mNormalOffsetY) &&
- (mNormalRepeatX == rhs.mNormalRepeatX) && (mNormalRepeatY == rhs.mNormalRepeatY) && (mNormalRotation == rhs.mNormalRotation) &&
- (mSpecularID == rhs.mSpecularID) && (mSpecularOffsetX == rhs.mSpecularOffsetX) && (mSpecularOffsetY == rhs.mSpecularOffsetY) &&
- (mSpecularRepeatX == rhs.mSpecularRepeatX) && (mSpecularRepeatY == rhs.mSpecularRepeatY) && (mSpecularRotation == rhs.mSpecularRotation) &&
- (mSpecularLightColor == rhs.mSpecularLightColor) && (mSpecularLightExponent == rhs.mSpecularLightExponent) &&
- (mEnvironmentIntensity == rhs.mEnvironmentIntensity) && (mDiffuseAlphaMode == rhs.mDiffuseAlphaMode) && (mAlphaMaskCutoff == rhs.mAlphaMaskCutoff);
-}
-
-bool LLMaterial::operator != (const LLMaterial& rhs) const
-{
- return !(*this == rhs);
-}
-
-
-U32 LLMaterial::getShaderMask(U32 alpha_mode, bool is_alpha)
-{ //NEVER incorporate this value into the message system -- this function will vary depending on viewer implementation
-
- //two least significant bits are "diffuse alpha mode"
- U32 ret = alpha_mode;
- if (ret == DIFFUSE_ALPHA_MODE_DEFAULT)
- {
- ret = getDiffuseAlphaMode();
- if (ret == DIFFUSE_ALPHA_MODE_BLEND && !is_alpha)
- {
- ret = DIFFUSE_ALPHA_MODE_NONE;
- }
- }
-
- llassert(ret < SHADER_COUNT);
-
- //next bit is whether or not specular map is present
- const U32 SPEC_BIT = 0x4;
-
- if (getSpecularID().notNull())
- {
- ret |= SPEC_BIT;
- }
-
- llassert(ret < SHADER_COUNT);
-
- //next bit is whether or not normal map is present
- const U32 NORM_BIT = 0x8;
- if (getNormalID().notNull())
- {
- ret |= NORM_BIT;
- }
-
- llassert(ret < SHADER_COUNT);
-
- return ret;
-}
-
-LLUUID LLMaterial::getHash() const
-{
- LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
- // HACK - hash the bytes of this LLMaterial, but trim off the S32 in LLRefCount
- LLUUID id;
- HBXXH128::digest(id, (unsigned char*)this + sizeof(LLRefCount), sizeof(*this) - sizeof(LLRefCount));
- return id;
-}
-
+/**
+ * @file llmaterial.cpp
+ * @brief Material definition
+ *
+ * $LicenseInfo:firstyear=2006&license=viewerlgpl$
+ * 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 "llmaterial.h"
+#include "hbxxh.h"
+
+/**
+ * Materials cap parameters
+ */
+#define MATERIALS_CAP_NORMAL_MAP_FIELD "NormMap"
+#define MATERIALS_CAP_NORMAL_MAP_OFFSET_X_FIELD "NormOffsetX"
+#define MATERIALS_CAP_NORMAL_MAP_OFFSET_Y_FIELD "NormOffsetY"
+#define MATERIALS_CAP_NORMAL_MAP_REPEAT_X_FIELD "NormRepeatX"
+#define MATERIALS_CAP_NORMAL_MAP_REPEAT_Y_FIELD "NormRepeatY"
+#define MATERIALS_CAP_NORMAL_MAP_ROTATION_FIELD "NormRotation"
+
+#define MATERIALS_CAP_SPECULAR_MAP_FIELD "SpecMap"
+#define MATERIALS_CAP_SPECULAR_MAP_OFFSET_X_FIELD "SpecOffsetX"
+#define MATERIALS_CAP_SPECULAR_MAP_OFFSET_Y_FIELD "SpecOffsetY"
+#define MATERIALS_CAP_SPECULAR_MAP_REPEAT_X_FIELD "SpecRepeatX"
+#define MATERIALS_CAP_SPECULAR_MAP_REPEAT_Y_FIELD "SpecRepeatY"
+#define MATERIALS_CAP_SPECULAR_MAP_ROTATION_FIELD "SpecRotation"
+
+#define MATERIALS_CAP_SPECULAR_COLOR_FIELD "SpecColor"
+#define MATERIALS_CAP_SPECULAR_EXP_FIELD "SpecExp"
+#define MATERIALS_CAP_ENV_INTENSITY_FIELD "EnvIntensity"
+#define MATERIALS_CAP_ALPHA_MASK_CUTOFF_FIELD "AlphaMaskCutoff"
+#define MATERIALS_CAP_DIFFUSE_ALPHA_MODE_FIELD "DiffuseAlphaMode"
+
+const LLColor4U LLMaterial::DEFAULT_SPECULAR_LIGHT_COLOR(255,255,255,255);
+
+/**
+ * Materials constants
+ */
+
+const F32 MATERIALS_MULTIPLIER = 10000.f;
+
+/**
+ * Helper functions
+ */
+
+template<typename T> T getMaterialField(const LLSD& data, const std::string& field, const LLSD::Type field_type)
+{
+ if ( (data.has(field)) && (field_type == data[field].type()) )
+ {
+ return (T)data[field];
+ }
+ LL_ERRS() << "Missing or mistyped field '" << field << "' in material definition" << LL_ENDL;
+ return (T)LLSD();
+}
+
+// GCC didn't like the generic form above for some reason
+template<> LLUUID getMaterialField(const LLSD& data, const std::string& field, const LLSD::Type field_type)
+{
+ if ( (data.has(field)) && (field_type == data[field].type()) )
+ {
+ return data[field].asUUID();
+ }
+ LL_ERRS() << "Missing or mistyped field '" << field << "' in material definition" << LL_ENDL;
+ return LLUUID::null;
+}
+
+/**
+ * LLMaterial class
+ */
+
+const LLMaterial LLMaterial::null;
+
+LLMaterial::LLMaterial()
+ : mNormalOffsetX(0.0f)
+ , mNormalOffsetY(0.0f)
+ , mNormalRepeatX(1.0f)
+ , mNormalRepeatY(1.0f)
+ , mNormalRotation(0.0f)
+ , mSpecularOffsetX(0.0f)
+ , mSpecularOffsetY(0.0f)
+ , mSpecularRepeatX(1.0f)
+ , mSpecularRepeatY(1.0f)
+ , mSpecularRotation(0.0f)
+ , mSpecularLightColor(LLMaterial::DEFAULT_SPECULAR_LIGHT_COLOR)
+ , mSpecularLightExponent(LLMaterial::DEFAULT_SPECULAR_LIGHT_EXPONENT)
+ , mEnvironmentIntensity(LLMaterial::DEFAULT_ENV_INTENSITY)
+ , mDiffuseAlphaMode(LLMaterial::DIFFUSE_ALPHA_MODE_BLEND)
+ , mAlphaMaskCutoff(0)
+{
+}
+
+LLMaterial::LLMaterial(const LLSD& material_data)
+{
+ fromLLSD(material_data);
+}
+
+const LLUUID& LLMaterial::getNormalID() const
+{
+ return mNormalID;
+}
+
+void LLMaterial::setNormalID(const LLUUID& normal_id)
+{
+ mNormalID = normal_id;
+}
+
+void LLMaterial::getNormalOffset(F32& offset_x, F32& offset_y) const
+{
+ offset_x = mNormalOffsetX;
+ offset_y = mNormalOffsetY;
+}
+
+F32 LLMaterial::getNormalOffsetX() const
+{
+ return mNormalOffsetX;
+}
+
+F32 LLMaterial::getNormalOffsetY() const
+{
+ return mNormalOffsetY;
+}
+
+void LLMaterial::setNormalOffset(F32 offset_x, F32 offset_y)
+{
+ mNormalOffsetX = offset_x;
+ mNormalOffsetY = offset_y;
+}
+
+void LLMaterial::setNormalOffsetX(F32 offset_x)
+{
+ mNormalOffsetX = offset_x;
+}
+
+void LLMaterial::setNormalOffsetY(F32 offset_y)
+{
+ mNormalOffsetY = offset_y;
+}
+
+void LLMaterial::getNormalRepeat(F32& repeat_x, F32& repeat_y) const
+{
+ repeat_x = mNormalRepeatX;
+ repeat_y = mNormalRepeatY;
+}
+
+F32 LLMaterial::getNormalRepeatX() const
+{
+ return mNormalRepeatX;
+}
+
+F32 LLMaterial::getNormalRepeatY() const
+{
+ return mNormalRepeatY;
+}
+
+void LLMaterial::setNormalRepeat(F32 repeat_x, F32 repeat_y)
+{
+ mNormalRepeatX = repeat_x;
+ mNormalRepeatY = repeat_y;
+}
+
+void LLMaterial::setNormalRepeatX(F32 repeat_x)
+{
+ mNormalRepeatX = repeat_x;
+}
+
+void LLMaterial::setNormalRepeatY(F32 repeat_y)
+{
+ mNormalRepeatY = repeat_y;
+}
+
+F32 LLMaterial::getNormalRotation() const
+{
+ return mNormalRotation;
+}
+
+void LLMaterial::setNormalRotation(F32 rot)
+{
+ mNormalRotation = rot;
+}
+
+const LLUUID& LLMaterial::getSpecularID() const
+{
+ return mSpecularID;
+}
+
+void LLMaterial::setSpecularID(const LLUUID& specular_id)
+{
+ mSpecularID = specular_id;
+}
+
+void LLMaterial::getSpecularOffset(F32& offset_x, F32& offset_y) const
+{
+ offset_x = mSpecularOffsetX;
+ offset_y = mSpecularOffsetY;
+}
+
+F32 LLMaterial::getSpecularOffsetX() const
+{
+ return mSpecularOffsetX;
+}
+
+F32 LLMaterial::getSpecularOffsetY() const
+{
+ return mSpecularOffsetY;
+}
+
+void LLMaterial::setSpecularOffset(F32 offset_x, F32 offset_y)
+{
+ mSpecularOffsetX = offset_x;
+ mSpecularOffsetY = offset_y;
+}
+
+void LLMaterial::setSpecularOffsetX(F32 offset_x)
+{
+ mSpecularOffsetX = offset_x;
+}
+
+void LLMaterial::setSpecularOffsetY(F32 offset_y)
+{
+ mSpecularOffsetY = offset_y;
+}
+
+void LLMaterial::getSpecularRepeat(F32& repeat_x, F32& repeat_y) const
+{
+ repeat_x = mSpecularRepeatX;
+ repeat_y = mSpecularRepeatY;
+}
+
+F32 LLMaterial::getSpecularRepeatX() const
+{
+ return mSpecularRepeatX;
+}
+
+F32 LLMaterial::getSpecularRepeatY() const
+{
+ return mSpecularRepeatY;
+}
+
+void LLMaterial::setSpecularRepeat(F32 repeat_x, F32 repeat_y)
+{
+ mSpecularRepeatX = repeat_x; mSpecularRepeatY = repeat_y;
+}
+
+void LLMaterial::setSpecularRepeatX(F32 repeat_x)
+{
+ mSpecularRepeatX = repeat_x;
+}
+
+void LLMaterial::setSpecularRepeatY(F32 repeat_y)
+{
+ mSpecularRepeatY = repeat_y;
+}
+
+F32 LLMaterial::getSpecularRotation() const
+{
+ return mSpecularRotation;
+}
+
+void LLMaterial::setSpecularRotation(F32 rot)
+{
+ mSpecularRotation = rot;
+}
+
+const LLColor4U LLMaterial::getSpecularLightColor() const
+{
+ return mSpecularLightColor;
+}
+
+void LLMaterial::setSpecularLightColor(const LLColor4U& color)
+{
+ mSpecularLightColor = color;
+}
+
+U8 LLMaterial::getSpecularLightExponent() const
+{
+ return mSpecularLightExponent;
+}
+
+void LLMaterial::setSpecularLightExponent(U8 exponent)
+{
+ mSpecularLightExponent = exponent;
+}
+
+U8 LLMaterial::getEnvironmentIntensity() const
+{
+ return mEnvironmentIntensity;
+}
+
+void LLMaterial::setEnvironmentIntensity(U8 intensity)
+{
+ mEnvironmentIntensity = intensity;
+}
+
+U8 LLMaterial::getDiffuseAlphaMode() const
+{
+ return mDiffuseAlphaMode;
+}
+
+void LLMaterial::setDiffuseAlphaMode(U8 alpha_mode)
+{
+ mDiffuseAlphaMode = alpha_mode;
+}
+
+U8 LLMaterial::getAlphaMaskCutoff() const
+{
+ return mAlphaMaskCutoff;
+}
+
+void LLMaterial::setAlphaMaskCutoff(U8 cutoff)
+{
+ mAlphaMaskCutoff = cutoff;
+}
+
+LLSD LLMaterial::asLLSD() const
+{
+ LLSD material_data;
+
+ S32 normalOffsetXInt = ll_round(mNormalOffsetX * MATERIALS_MULTIPLIER);
+ S32 normalOffsetYInt = ll_round(mNormalOffsetY * MATERIALS_MULTIPLIER);
+ S32 normalRotInt = ll_round(mNormalRotation * MATERIALS_MULTIPLIER);
+
+ material_data[MATERIALS_CAP_NORMAL_MAP_FIELD] = mNormalID;
+ material_data[MATERIALS_CAP_NORMAL_MAP_OFFSET_X_FIELD] = normalOffsetXInt;
+ material_data[MATERIALS_CAP_NORMAL_MAP_OFFSET_Y_FIELD] = normalOffsetYInt;
+ material_data[MATERIALS_CAP_NORMAL_MAP_REPEAT_X_FIELD] = ll_round(mNormalRepeatX * MATERIALS_MULTIPLIER);
+ material_data[MATERIALS_CAP_NORMAL_MAP_REPEAT_Y_FIELD] = ll_round(mNormalRepeatY * MATERIALS_MULTIPLIER);
+ material_data[MATERIALS_CAP_NORMAL_MAP_ROTATION_FIELD] = normalRotInt;
+
+ material_data[MATERIALS_CAP_SPECULAR_MAP_FIELD] = mSpecularID;
+
+ S32 specularOffsetXInt = ll_round(mSpecularOffsetX * MATERIALS_MULTIPLIER);
+ S32 specularOffsetYInt = ll_round(mSpecularOffsetY * MATERIALS_MULTIPLIER);
+ S32 specularRotInt = ll_round(mSpecularRotation * MATERIALS_MULTIPLIER);
+
+ material_data[MATERIALS_CAP_SPECULAR_MAP_OFFSET_X_FIELD] = specularOffsetXInt;
+ material_data[MATERIALS_CAP_SPECULAR_MAP_OFFSET_Y_FIELD] = specularOffsetYInt;
+ material_data[MATERIALS_CAP_SPECULAR_MAP_REPEAT_X_FIELD] = ll_round(mSpecularRepeatX * MATERIALS_MULTIPLIER);
+ material_data[MATERIALS_CAP_SPECULAR_MAP_REPEAT_Y_FIELD] = ll_round(mSpecularRepeatY * MATERIALS_MULTIPLIER);
+ material_data[MATERIALS_CAP_SPECULAR_MAP_ROTATION_FIELD] = specularRotInt;
+
+ material_data[MATERIALS_CAP_SPECULAR_COLOR_FIELD] = mSpecularLightColor.getValue();
+ material_data[MATERIALS_CAP_SPECULAR_EXP_FIELD] = mSpecularLightExponent;
+ material_data[MATERIALS_CAP_ENV_INTENSITY_FIELD] = mEnvironmentIntensity;
+ material_data[MATERIALS_CAP_DIFFUSE_ALPHA_MODE_FIELD] = mDiffuseAlphaMode;
+ material_data[MATERIALS_CAP_ALPHA_MASK_CUTOFF_FIELD] = mAlphaMaskCutoff;
+
+ return material_data;
+}
+
+void LLMaterial::fromLLSD(const LLSD& material_data)
+{
+ mNormalID = getMaterialField<LLSD::UUID>(material_data, MATERIALS_CAP_NORMAL_MAP_FIELD, LLSD::TypeUUID);
+
+ S32 normalOffsetXInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_OFFSET_X_FIELD, LLSD::TypeInteger);
+ S32 normalOffsetYInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_OFFSET_Y_FIELD, LLSD::TypeInteger);
+ S32 normalRotInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_ROTATION_FIELD, LLSD::TypeInteger);
+ S32 normalRepeatXInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_REPEAT_X_FIELD, LLSD::TypeInteger);
+ S32 normalRepeatYInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_REPEAT_Y_FIELD, LLSD::TypeInteger);
+
+ mNormalOffsetX = F32(normalOffsetXInt) / MATERIALS_MULTIPLIER;
+ mNormalOffsetY = F32(normalOffsetYInt) / MATERIALS_MULTIPLIER;
+ mNormalRotation = F32(normalRotInt) / MATERIALS_MULTIPLIER;
+ mNormalRepeatX = F32(normalRepeatXInt) / MATERIALS_MULTIPLIER;
+ mNormalRepeatY = F32(normalRepeatYInt) / MATERIALS_MULTIPLIER;
+
+ mSpecularID = getMaterialField<LLSD::UUID>(material_data, MATERIALS_CAP_SPECULAR_MAP_FIELD, LLSD::TypeUUID);
+
+ S32 specularOffsetXInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_OFFSET_X_FIELD, LLSD::TypeInteger);
+ S32 specularOffsetYInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_OFFSET_Y_FIELD, LLSD::TypeInteger);
+ S32 specularRotInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_ROTATION_FIELD, LLSD::TypeInteger);
+ S32 specularRepeatXInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_REPEAT_X_FIELD, LLSD::TypeInteger);
+ S32 specularRepeatYInt = getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_REPEAT_Y_FIELD, LLSD::TypeInteger);
+
+ mSpecularOffsetX = F32(specularOffsetXInt) / MATERIALS_MULTIPLIER;
+ mSpecularOffsetY = F32(specularOffsetYInt) / MATERIALS_MULTIPLIER;
+ mSpecularRotation = F32(specularRotInt) / MATERIALS_MULTIPLIER;
+ mSpecularRepeatX = F32(specularRepeatXInt) / MATERIALS_MULTIPLIER;
+ mSpecularRepeatY = F32(specularRepeatYInt) / MATERIALS_MULTIPLIER;
+
+ mSpecularLightColor.setValue(getMaterialField<LLSD>(material_data, MATERIALS_CAP_SPECULAR_COLOR_FIELD, LLSD::TypeArray));
+ mSpecularLightExponent = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_EXP_FIELD, LLSD::TypeInteger);
+ mEnvironmentIntensity = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_ENV_INTENSITY_FIELD, LLSD::TypeInteger);
+ mDiffuseAlphaMode = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_DIFFUSE_ALPHA_MODE_FIELD, LLSD::TypeInteger);
+ mAlphaMaskCutoff = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_ALPHA_MASK_CUTOFF_FIELD, LLSD::TypeInteger);
+}
+
+bool LLMaterial::isNull() const
+{
+ return (*this == null);
+}
+
+bool LLMaterial::operator == (const LLMaterial& rhs) const
+{
+ return
+ (mNormalID == rhs.mNormalID) && (mNormalOffsetX == rhs.mNormalOffsetX) && (mNormalOffsetY == rhs.mNormalOffsetY) &&
+ (mNormalRepeatX == rhs.mNormalRepeatX) && (mNormalRepeatY == rhs.mNormalRepeatY) && (mNormalRotation == rhs.mNormalRotation) &&
+ (mSpecularID == rhs.mSpecularID) && (mSpecularOffsetX == rhs.mSpecularOffsetX) && (mSpecularOffsetY == rhs.mSpecularOffsetY) &&
+ (mSpecularRepeatX == rhs.mSpecularRepeatX) && (mSpecularRepeatY == rhs.mSpecularRepeatY) && (mSpecularRotation == rhs.mSpecularRotation) &&
+ (mSpecularLightColor == rhs.mSpecularLightColor) && (mSpecularLightExponent == rhs.mSpecularLightExponent) &&
+ (mEnvironmentIntensity == rhs.mEnvironmentIntensity) && (mDiffuseAlphaMode == rhs.mDiffuseAlphaMode) && (mAlphaMaskCutoff == rhs.mAlphaMaskCutoff);
+}
+
+bool LLMaterial::operator != (const LLMaterial& rhs) const
+{
+ return !(*this == rhs);
+}
+
+
+U32 LLMaterial::getShaderMask(U32 alpha_mode, bool is_alpha)
+{ //NEVER incorporate this value into the message system -- this function will vary depending on viewer implementation
+
+ //two least significant bits are "diffuse alpha mode"
+ U32 ret = alpha_mode;
+ if (ret == DIFFUSE_ALPHA_MODE_DEFAULT)
+ {
+ ret = getDiffuseAlphaMode();
+ if (ret == DIFFUSE_ALPHA_MODE_BLEND && !is_alpha)
+ {
+ ret = DIFFUSE_ALPHA_MODE_NONE;
+ }
+ }
+
+ llassert(ret < SHADER_COUNT);
+
+ //next bit is whether or not specular map is present
+ const U32 SPEC_BIT = 0x4;
+
+ if (getSpecularID().notNull())
+ {
+ ret |= SPEC_BIT;
+ }
+
+ llassert(ret < SHADER_COUNT);
+
+ //next bit is whether or not normal map is present
+ const U32 NORM_BIT = 0x8;
+ if (getNormalID().notNull())
+ {
+ ret |= NORM_BIT;
+ }
+
+ llassert(ret < SHADER_COUNT);
+
+ return ret;
+}
+
+LLUUID LLMaterial::getHash() const
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ // HACK - hash the bytes of this LLMaterial, but trim off the S32 in LLRefCount
+ LLUUID id;
+ HBXXH128::digest(id, (unsigned char*)this + sizeof(LLRefCount), sizeof(*this) - sizeof(LLRefCount));
+ return id;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-15 21:10:53 +0000