1ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall/* 2ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* Copyright (C) 2011 The Android Open Source Project 3ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* 4ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* Licensed under the Apache License, Version 2.0 (the "License"); 5ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* you may not use this file except in compliance with the License. 6ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* You may obtain a copy of the License at 7ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* 8ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* http://www.apache.org/licenses/LICENSE-2.0 9ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* 10ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* Unless required by applicable law or agreed to in writing, software 11ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* distributed under the License is distributed on an "AS IS" BASIS, 12ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* See the License for the specific language governing permissions and 14ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall* limitations under the License. 15ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall*/ 16ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 17ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall#include "GLESv2Context.h" 18ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 19ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 20ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 21ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hallvoid GLESv2Context::init() { 22ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall android::Mutex::Autolock mutex(s_lock); 23ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if(!m_initialized) { 24ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall s_glDispatch.dispatchFuncs(GLES_2_0); 25ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall GLEScontext::init(); 26ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall for(int i=0; i < s_glSupport.maxVertexAttribs;i++){ 27ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall m_map[i] = new GLESpointer(); 28ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } 29ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall setAttribute0value(0.0, 0.0, 0.0, 1.0); 30ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 3181e372046c2212585a4ff518ccdcff950d476717Jesse Hall buildStrings((const char*)dispatcher().glGetString(GL_VENDOR), 3281e372046c2212585a4ff518ccdcff950d476717Jesse Hall (const char*)dispatcher().glGetString(GL_RENDERER), 3381e372046c2212585a4ff518ccdcff950d476717Jesse Hall (const char*)dispatcher().glGetString(GL_VERSION), 3481e372046c2212585a4ff518ccdcff950d476717Jesse Hall "OpenGL ES 2.0"); 35ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } 36ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall m_initialized = true; 37ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall} 38ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 39ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse HallGLESv2Context::GLESv2Context():GLEScontext(), m_att0Array(NULL), m_att0ArrayLength(0), m_att0NeedsDisable(false){}; 40ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 41ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse HallGLESv2Context::~GLESv2Context() 42ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall{ 43ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall delete[] m_att0Array; 44ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall} 45ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 46ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hallvoid GLESv2Context::setAttribute0value(float x, float y, float z, float w) 47ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall{ 48ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall m_attribute0value[0] = x; 49ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall m_attribute0value[1] = y; 50ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall m_attribute0value[2] = z; 51ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall m_attribute0value[3] = w; 52ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall} 53ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 54ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hallvoid GLESv2Context::validateAtt0PreDraw(unsigned int count) 55ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall{ 56ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall m_att0NeedsDisable = false; 57ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 58ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if(count == 0) 59ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall return; 60ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 61ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall int enabled = 0; 62ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall s_glDispatch.glGetVertexAttribiv(0, GL_VERTEX_ATTRIB_ARRAY_ENABLED, &enabled); 63ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if(enabled) 64ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall return; 65ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 66ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if(count > m_att0ArrayLength) 67ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall { 68ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall delete [] m_att0Array; 69ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall m_att0Array = new GLfloat[4*count]; 70ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall m_att0ArrayLength = count; 71ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } 72ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 73ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall for(unsigned int i=0; i<count; i++) 74ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall memcpy(m_att0Array+i*4, m_attribute0value, 4*sizeof(GLfloat)); 75ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 76ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall s_glDispatch.glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 0, m_att0Array); 77ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall s_glDispatch.glEnableVertexAttribArray(0); 78ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 79ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall m_att0NeedsDisable = true; 80ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall} 81ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 82ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hallvoid GLESv2Context::validateAtt0PostDraw(void) 83ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall{ 84ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if(m_att0NeedsDisable) 85ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall s_glDispatch.glDisableVertexAttribArray(0); 86ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 87ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall m_att0NeedsDisable = false; 88ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall} 89ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 90ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hallvoid GLESv2Context::setupArraysPointers(GLESConversionArrays& cArrs,GLint first,GLsizei count,GLenum type,const GLvoid* indices,bool direct) { 91ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall ArraysMap::iterator it; 92ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 93ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall //going over all clients arrays Pointers 94ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall for ( it=m_map.begin() ; it != m_map.end(); it++ ) { 95ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall GLenum array_id = (*it).first; 96ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall GLESpointer* p = (*it).second; 97ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if(!isArrEnabled(array_id)) continue; 98ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 99ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall unsigned int size = p->getSize(); 100ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 101ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if(needConvert(cArrs,first,count,type,indices,direct,p,array_id)){ 102ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall //conversion has occured 103ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall ArrayData currentArr = cArrs.getCurrentArray(); 104ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall setupArr(currentArr.data,array_id,currentArr.type,size,currentArr.stride, p->getNormalized()); 105ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall ++cArrs; 106ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } else { 107ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall setupArr(p->getData(),array_id,p->getType(), 108ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall size,p->getStride(), p->getNormalized()); 109ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } 110ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } 111ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall} 112ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 113ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall//setting client side arr 114ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hallvoid GLESv2Context::setupArr(const GLvoid* arr,GLenum arrayType,GLenum dataType,GLint size,GLsizei stride,GLboolean normalized, int index){ 115ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if(arr == NULL) return; 116ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall s_glDispatch.glVertexAttribPointer(arrayType,size,dataType,normalized,stride,arr); 117ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall} 118ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 119ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hallbool GLESv2Context::needConvert(GLESConversionArrays& cArrs,GLint first,GLsizei count,GLenum type,const GLvoid* indices,bool direct,GLESpointer* p,GLenum array_id) { 120ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 121ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall bool usingVBO = p->isVBO(); 122ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall GLenum arrType = p->getType(); 123ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall /* 124ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall conversion is not necessary in the following cases: 125ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall (*) array type is not fixed 126ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall */ 127ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if(arrType != GL_FIXED) return false; 128ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 129ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if(!usingVBO) { 130ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if (direct) { 131ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall convertDirect(cArrs,first,count,array_id,p); 132ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } else { 133ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall convertIndirect(cArrs,count,type,indices,array_id,p); 134ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } 135ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } else { 136ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if (direct) { 137ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall convertDirectVBO(cArrs,first,count,array_id,p) ; 138ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } else { 139ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall convertIndirectVBO(cArrs,count,type,indices,array_id,p); 140ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } 141ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall } 142ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall return true; 143ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall} 144ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 145ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hallvoid GLESv2Context::initExtensionString() { 146ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall *s_glExtensions = "GL_OES_EGL_image GL_OES_depth24 GL_OES_depth32 GL_OES_element_index_uint " 147ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall "GL_OES_texture_float GL_OES_texture_float_linear " 148ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall "GL_OES_compressed_paletted_texture GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth_texture "; 149ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if (s_glSupport.GL_ARB_HALF_FLOAT_PIXEL || s_glSupport.GL_NV_HALF_FLOAT) 150ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall *s_glExtensions+="GL_OES_texture_half_float GL_OES_texture_half_float_linear "; 151ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if (s_glSupport.GL_EXT_PACKED_DEPTH_STENCIL) 152ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall *s_glExtensions+="GL_OES_packed_depth_stencil "; 153ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if (s_glSupport.GL_ARB_HALF_FLOAT_VERTEX) 154ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall *s_glExtensions+="GL_OES_vertex_half_float "; 155ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall if (s_glSupport.GL_OES_STANDARD_DERIVATIVES) 156ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall *s_glExtensions+="GL_OES_standard_derivatives "; 157ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall} 158ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall 159ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hallint GLESv2Context::getMaxTexUnits() { 160ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall return getCaps()->maxTexImageUnits; 161ce6c3389061fb9fcdefc94fab2044a8e11600b52Jesse Hall} 162