Description.h revision 3f84483382be2d528918cc1a6fbc6a7d68e0b181
13f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian/* 23f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * Copyright 2013 The Android Open Source Project 33f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * 43f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 53f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * you may not use this file except in compliance with the License. 63f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * You may obtain a copy of the License at 73f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * 83f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 93f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * 103f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * Unless required by applicable law or agreed to in writing, software 113f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 123f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 133f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * See the License for the specific language governing permissions and 143f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * limitations under the License. 153f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian */ 163f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 173f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian#include <GLES2/gl2.h> 183f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 193f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian#ifndef SF_RENDER_ENGINE_DESCRIPTION_H_ 203f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian#define SF_RENDER_ENGINE_DESCRIPTION_H_ 213f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 223f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopiannamespace android { 233f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 243f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopianclass Program; 253f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 263f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian/* 273f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * This holds the state of the rendering engine. This class is used 283f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * to generate a corresponding GLSL program and set the appropriate 293f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * uniform. 303f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * 313f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian * Program and ProgramCache are friends and access the state directly 323f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian */ 333f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopianclass Description { 343f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian friend class Program; 353f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian friend class ProgramCache; 363f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 373f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // value of the plane-alpha, between 0 and 1 383f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian GLclampf mPlaneAlpha; 393f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // whether textures are premultiplied 403f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian bool mPremultipliedAlpha; 413f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // whether this layer is marked as opaque 423f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian bool mOpaque; 433f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // texture target, TEXTURE_2D or TEXTURE_EXTERNAL 443f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian GLenum mTextureTarget; 453f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 463f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // name of the texture 473f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian GLuint mTextureName; 483f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // color used when texturing is disabled 493f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian GLclampf mColor[4]; 503f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // projection matrix 513f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian GLfloat mProjectionMatrix[16]; 523f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // texture matrix 533f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian GLfloat mTextureMatrix[16]; 543f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 553f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopianpublic: 563f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian Description(); 573f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian ~Description(); 583f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 593f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void setPlaneAlpha(GLclampf planeAlpha); 603f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void setPremultipliedAlpha(bool premultipliedAlpha); 613f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void setOpaque(bool opaque); 623f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void setTextureName(GLenum target, GLuint tname); 633f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void disableTexture(); 643f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void setColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); 653f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void setProjectionMatrix(GLfloat const* mtx); 663f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void setTextureMatrix(GLfloat const* mtx); 673f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 683f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopianprivate: 693f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian bool mUniformsDirty; 703f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian}; 713f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 723f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian} /* namespace android */ 733f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 743f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian#endif /* SF_RENDER_ENGINE_DESCRIPTION_H_ */ 75