//-----------------------------------------------------------------------
void GraphicsContextGL4::Clear(ClearOptions options, Color const& color, float depth, std::uint8_t stencil)
{
GLbitfield mask = 0;
if ((options | ClearOptions::DepthBuffer) == options) {
mask |= GL_DEPTH_BUFFER_BIT;
auto clamped = std::min(std::max(depth, 0.0f), 1.0f);
glClearDepthf(clamped);
POMDOG_CHECK_ERROR_GL4("glClearDepthf");
}
if ((options | ClearOptions::Stencil) == options) {
mask |= GL_STENCIL_BUFFER_BIT;
glClearStencil(stencil);
POMDOG_CHECK_ERROR_GL4("glClearStencil");
}
if ((options | ClearOptions::RenderTarget) == options) {
mask |= GL_COLOR_BUFFER_BIT;
auto colorVector = color.ToVector4();
glClearColor(colorVector.X, colorVector.Y, colorVector.Z, colorVector.W);
POMDOG_CHECK_ERROR_GL4("glClearColor");
}
glClear(mask);
POMDOG_CHECK_ERROR_GL4("glClear");
}
bool render()
{
GLenum const Buffers = GL_BACK;
glDrawBuffers(1, &Buffers);
// Compute the MVP (Model View Projection matrix)
glm::mat4 Projection = glm::perspective(glm::pi<float>() * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
glm::mat4 Model = glm::mat4(1.0f);
glm::mat4 MVP = Projection * this->view() * Model;
// Set the display viewport
glm::uvec2 WindowSize = this->getWindowSize();
glViewport(0, 0, WindowSize.x, WindowSize.y);
// Clear color buffer with black
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClearDepthf(1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Bind program
glUseProgram(ProgramName);
// Set the value of MVP uniform.
glUniformMatrix4fv(UniformMVP, 1, GL_FALSE, &MVP[0][0]);
glBindVertexArray(VertexArrayName);
glDrawElements(GL_TRIANGLES, ElementCount, GL_UNSIGNED_INT, 0);
return true;
}
void InitGame()
{
char path[128];
sprintf(path, "%s", "sprite.bgfx");
sprite.Load(path);
glEnable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, matAmbient);
glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmbient);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearDepthf(1.0f);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_CULL_FACE);
glShadeModel(GL_SMOOTH);
return;
}
/**
* Initialize the renderer
* @param width Width of the window
* @param height Height of the window
* @return True if the renderer successfully init
*/
bool Renderer::Init(unsigned int pWidth, unsigned int pHeight, UiFunction* pUiFunctionPtr)
{
_uiFunctionPtr = pUiFunctionPtr;
_width = pWidth;
_height = pHeight;
glbinding::Binding::initialize();
//Get context info
Log("GL Info : ");
Log(ToString(glGetString(GL_VENDOR)));
Log(ToString(glGetString(GL_RENDERER)));
Log(ToString(glGetString(GL_VERSION)));
Log(ToString(glGetString(GL_SHADING_LANGUAGE_VERSION)));
debugProc = GLDEBUGPROC(&DebugProc);
glDebugMessageCallback(debugProc, nullptr);
glCullFace(GL_BACK);
glFrontFace(GL_CCW);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glClearColor(0, 0, 0, 1);
glClearDepthf(1.0);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
glGenVertexArrays(1, &_baseVAO);
SetupPrograms();
SetupBuffers();
///TODO : Check for ATI memory info
std::set<GLextension> extensions = ContextInfo::extensions();
if (extensions.find(GLextension::GL_NVX_gpu_memory_info) != extensions.end())
{
GLint memory = 0;
glGetIntegerv(GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX, &memory);
Log("Dedicated video memory, total size(in kb) of the GPU memory : " + ToString(memory));
glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &memory);
Log("Total available memory, total size(in Kb) of the memory available for allocations : " + ToString(memory));
glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &memory);
Log("Current available dedicated video memory(in kb), currently unused GPU memory : " + ToString(memory));
glGetIntegerv(GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX, &memory);
Log("Count of total evictions seen by system : " + ToString(memory));
glGetIntegerv(GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX, &memory);
Log("Size of total video memory evicted(in kb) : " + ToString(memory));
}
CheckGLError();
_uiPtr = nullptr;
_menuPtr = nullptr;
return true;
}
void g_makeCurrent()
{
LOGE("g_makeCurrent-->start L:366");
LOGE("Got bwdisplay %p", bwdisplay);
LOGE("Got bwsurface %p", bwsurface);
LOGE("Got bwcontext %p", bwcontext);
if (!eglMakeCurrent(bwdisplay, bwsurface, bwsurface, bwcontext)) {
LOGI("eglMakeCurrent() returned error %d", eglGetError());
g_destroyGL();
}
printGLString("Version", GL_VERSION);
printGLString("Vendor", GL_VENDOR);
printGLString("Renderer", GL_RENDERER);
printGLString("Extensions", GL_EXTENSIONS);
glHint( GL_GENERATE_MIPMAP_HINT, GL_NICEST );
glHint( GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES, GL_NICEST );
glEnable( GL_DEPTH_TEST );
glEnable( GL_CULL_FACE );
glDisable( GL_DITHER );
glDepthMask( GL_TRUE );
glDepthFunc( GL_LESS );
glDepthRangef( 0.0f, 1.0f );
glClearDepthf( 1.0f );
glCullFace ( GL_BACK );
glFrontFace( GL_CCW );
glClearStencil( 0 );
glStencilMask( 0xFFFFFFFF );
}
void OpenGLES2Context::clear(float red, float green, float blue, float alpha, float depth, unsigned int stencil, ClearMask mask)
{
glClearColor(red, green, blue, alpha);
#ifdef GL_ES_VERSION_2_0
glClearDepthf(depth);
#else
glClearDepth(depth);
#endif
#ifndef AWAY_NO_STENCIL
glClearStencil(stencil);
#endif
GLbitfield internalMask = 0;
int maskValue = static_cast<int>(mask);
if (maskValue & static_cast<int>(ClearMask::COLOR))
internalMask |= GL_COLOR_BUFFER_BIT;
if (maskValue & static_cast<int>(ClearMask::DEPTH))
{
internalMask |= GL_DEPTH_BUFFER_BIT;
glDepthMask(m_curDepthMask = true);
}
#ifndef AWAY_NO_STENCIL
if (maskValue & static_cast<int>(ClearMask::STENCIL))
internalMask |= GL_STENCIL_BUFFER_BIT;
#endif
glClear(internalMask);
}
void ckLowLevelAPI::resetDrawState()
{
glEnable(GL_SCISSOR_TEST);
glEnable(GL_DEPTH_TEST);
#ifndef CK_GLES2
glShadeModel(GL_SMOOTH);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
#endif
#if defined(CK_GLES1) || defined(CK_GLES2)
glClearDepthf(-1.0f);
#else
glClearDepth(-1.0f);
#endif
resetDepthTest();
resetBlendMode();
resetWriteMode();
resetBackfaceCulling();
resetTexture();
resetShader();
#ifndef CK_GLES2
resetVertexArrayState();
resetColorArrayState();
resetTexCoordArrayState();
#endif
}
void configure() {
s_textureUnit = -1;
s_validGeneration++;
VertexLayout::clearCache();
blending.init(GL_FALSE);
blendingFunc.init(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
culling.init(GL_TRUE);
cullFace.init(GL_BACK);
frontFace.init(GL_CCW);
depthTest.init(GL_TRUE);
depthWrite.init(GL_TRUE);
glDisable(GL_STENCIL_TEST);
glDepthFunc(GL_LEQUAL);
glClearDepthf(1.0);
glDepthRangef(0.0, 1.0);
static size_t max = std::numeric_limits<size_t>::max();
clearColor.init(0.0, 0.0, 0.0, 0.0);
shaderProgram.init(max, false);
vertexBuffer.init(max, false);
indexBuffer.init(max, false);
texture.init(GL_TEXTURE_2D, max, false);
texture.init(GL_TEXTURE_CUBE_MAP, max, false);
textureUnit.init(max, false);
}
/* general OpenGL initialization function */
int initGL()
{
/* Enable smooth shading */
// glShadeModel( GL_SMOOTH );
/* Set the background black */
glClearColor( 1.0f, 0.0f, 0.0f, 0.0f );
/* Depth buffer setup */
glClearDepthf( 1.0f );
/* Enables Depth Testing */
glEnable( GL_DEPTH_TEST );
/* The Type Of Depth Test To Do */
glDepthFunc( GL_LEQUAL );
glViewport( 0, 0, ( GLsizei )800, ( GLsizei )600 );
/* Really Nice Perspective Calculations */
// glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST );
return( TRUE );
}
void Scene::render(Camera3D* camera, bool clearDepth) {
_renderLength = (int)_renderList.size();
if (_renderLength == 0 || !_visible) {
return;
}
_renderIndex = 0;
bool doRender = false;
if (!_paused) {
doRender = true;
_renderEvent.reset();
dispatchEvent(_renderEvent);
}
if (clearDepth) {
#if CC_TARGET_PLATFORM == CC_TARGET_OS_IPHONE || CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID
glClearDepthf(1.0);
#else
glClearDepth(1.0);
#endif
}
if (doRender) {
while (_renderIndex < _renderLength) {
_renderList[_renderIndex]->draw(false);
_renderIndex++;
}
}
}
int initGL(GLuint* texturePtr) {
if (texturePtr) {
textures = texturePtr;
// do the GL initialization stuff
glEnable(GL_TEXTURE_2D); // Enable Texture Mapping
glShadeModel(GL_SMOOTH); // Enable Smooth Shading
glClearColor(0.0f, 0.0f, 0.0f, 0.5f); // Black Background
glClearDepthf(1.0f); // Depth Buffer Setup
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Really Nice Perspective Calculations
glBlendFunc(GL_SRC_ALPHA,GL_ONE); // Set The Blending Function For Translucency
glEnable(GL_BLEND); // Enable Blending
for (int i = 0; i < NUM_STARS; i++) {
stars[i].angle = 0.0f;
stars[i].dist = ((float) i)/NUM_STARS * 5.0f;
stars[i].r = rand() % 256;
stars[i].g = rand() % 256;
stars[i].b = rand() % 256;
}
LOGI("GL initialized");
return 1;
} else {
LOGE("Unable to load textures");
return 0;
}
}
bool Render::init()
{
# ifdef _WIN32
/// OpenGL initialization
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glShadeModel(GL_SMOOTH); // smooth shade model
glClearDepth(1.0f); // set clear depth
glEnable(GL_DEPTH_TEST);
glEnable(GL_NORMALIZE);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
//texture
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
//glEnable(GL_TEXTURE_2D);
# else
glClearDepthf(1.0f); // set clear depth
glEnable(GL_DEPTH_TEST);
# endif
// glCullFace(GL_BACK); ///< cull back face
// glEnable(GL_CULL_FACE);
CZCheckGLError();
#if defined(__APPLE__) || defined(_WIN32)
loadShaders();
#endif
return true;
}
void onInit()
{
sys::info << "app::COGLDev06NormalMapApp::onInit()" << sys::endl;
pCamera = new app::CCamera(60.0f, mConfig.mRatio, 0.1f, 100.0f);
pCamera->translateLocal(math::vec3(0.0f, -2.0f, -5.0f));
pShadowFBO = new ogl::CShadowFramebuffer(mConfig.mWidth, mConfig.mHeight);
init_programs();
init_lights();
init_textures();
init_objects();
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearDepthf(1.0f);
glEnable(GL_CULL_FACE);
glFrontFace(GL_CW);
glCullFace(GL_BACK);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
}
void MySample::Render(double deltaSeconds)
{
CPUTRenderParameters renderParams;
if(isInstanced)
SetEffectVals( 0 );
else
SetEffectVals( 1 );
renderParams.mpPerFrameConstants = mpPerFrameConstantBuffer;
renderParams.mpPerModelConstants = mpPerModelConstantBuffer;
renderParams.mpCamera = mpCamera;
UpdatePerFrameConstantBuffer(renderParams, deltaSeconds);
int width,height;
mpWindow->GetClientDimensions(&width, &height);
// Set default viewport
glViewport( 0, 0, width, height );
GL_CHECK(glClearColor ( 0.7f, 0.7f, 0.7f, 1.0f ));
GL_CHECK(glClearDepthf(0.0f));
GL_CHECK(glClear ( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ));
mpScene->Render( renderParams);
#ifdef ENABLE_GUI
CPUTDrawGUI();
#endif
}
void GLES2StateCacheManagerImp::initializeCache()
{
OGRE_CHECK_GL_ERROR(glBlendEquation(GL_FUNC_ADD));
OGRE_CHECK_GL_ERROR(glBlendFunc(GL_ONE, GL_ZERO));
OGRE_CHECK_GL_ERROR(glCullFace(mCullFace));
OGRE_CHECK_GL_ERROR(glDepthFunc(mDepthFunc));
OGRE_CHECK_GL_ERROR(glDepthMask(mDepthMask));
OGRE_CHECK_GL_ERROR(glStencilMask(mStencilMask));
OGRE_CHECK_GL_ERROR(glClearDepthf(mClearDepth));
OGRE_CHECK_GL_ERROR(glBindTexture(GL_TEXTURE_2D, 0));
OGRE_CHECK_GL_ERROR(glBindBuffer(GL_ARRAY_BUFFER, 0));
OGRE_CHECK_GL_ERROR(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
OGRE_CHECK_GL_ERROR(glBindFramebuffer(GL_FRAMEBUFFER, 0));
OGRE_CHECK_GL_ERROR(glBindRenderbuffer(GL_RENDERBUFFER, 0));
OGRE_CHECK_GL_ERROR(glActiveTexture(GL_TEXTURE0));
OGRE_CHECK_GL_ERROR(glClearColor(mClearColour[0], mClearColour[1], mClearColour[2], mClearColour[3]));
OGRE_CHECK_GL_ERROR(glColorMask(mColourMask[0], mColourMask[1], mColourMask[2], mColourMask[3]));
}
void RenderLayerManager::ClearScreen()
{
ERR( glClearColor(0,0,0, 1.0f) );
ERR( glClearDepthf(0.0f) );
ERR( glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) );
//ERR( glClear( GL_DEPTH_BUFFER_BIT ) );
}
void GLES2Lesson::clearBuffers() {
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClearDepthf(1.0f);
checkGlError("glClearColor");
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
checkGlError("glClear");
}
void GraphicsManager::SetupDraw()
{
//drawing settings
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glEnable(GL_VSYNC_SCE);
//clear screen settings
glClearColor (1.0f, 0.0f, 0.0f, 1.0f);
glClearStencil (0);
glClearDepthf (1.0f);
//do a first clear and swap - probably redundant
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
psglSwap();
//setup drawing mode
//note: it's common to have to keep changing some of this,
//but right now we have only one model
glMatrixMode(GL_MODELVIEW);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glEnable(GL_COLOR_MATERIAL);
glShadeModel(GL_FLAT);
// Enable transparency PSGL things
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
} // SetUpDraw
bool OsmAnd::AtlasMapRenderer_OpenGL::doInitializeRendering()
{
GL_CHECK_PRESENT(glClearColor);
GL_CHECK_PRESENT(glClearDepthf);
bool ok;
ok = AtlasMapRenderer::doInitializeRendering();
if(!ok)
return false;
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
GL_CHECK_RESULT;
glClearDepthf(1.0f);
GL_CHECK_RESULT;
_skyStage.initialize();
_rasterMapStage.initialize();
_symbolsStage.initialize();
#if OSMAND_DEBUG
_debugStage.initialize();
#endif
return true;
}
void CCRenderer::setupOpenGL()
{
if( usingOpenGL2 )
{
// Use shader program
currentShader = shaders.list[0];
currentShader->use();
currentShader->enableAttributeArray( ATTRIB_VERTEX );
currentShader->enableAttributeArray( ATTRIB_TEXCOORD );
DEBUG_OPENGL();
}
else
{
#ifdef IOS
// GL_TEXTURE_2D is not a valid argument to glEnable in OpenGL ES 2.0
glEnable( GL_TEXTURE_2D );
glEnableClientState( GL_VERTEX_ARRAY );
glEnableClientState( GL_TEXTURE_COORD_ARRAY );
glDisableClientState( GL_COLOR_ARRAY );
DEBUG_OPENGL();
CCSetColour( CCColour() );
#endif
}
#ifndef DXRENDERER
glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
DEBUG_OPENGL();
#endif
CCSetDepthRead( true );
CCSetDepthWrite( true );
#ifndef DXRENDERER
glDepthFunc( GL_LEQUAL );
DEBUG_OPENGL();
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glEnable( GL_SCISSOR_TEST );
DEBUG_OPENGL();
#endif
GLEnable( GL_BLEND );
DEBUG_OPENGL();
#ifndef DXRENDERER
#ifndef Q_OS_SYMBIAN
glClearDepthf( 1.0f );
DEBUG_OPENGL();
#endif
glLineWidth( LINE_WIDTH );
DEBUG_OPENGL();
#endif
// Enable back face culling
CCSetCulling( true );
CCSetBackCulling();
}
void COGLGraphicsContext::InitState(void)
{
m_pRenderStr = glGetString(GL_RENDERER);
m_pExtensionStr = glGetString(GL_EXTENSIONS);
m_pVersionStr = glGetString(GL_VERSION);
m_pVendorStr = glGetString(GL_VENDOR);
//glMatrixMode(GL_PROJECTION);
//OPENGL_CHECK_ERRORS;
//glLoadIdentity();
//OPENGL_CHECK_ERRORS;
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
OPENGL_CHECK_ERRORS;
glClearDepthf(1.0f);
OPENGL_CHECK_ERRORS;
//glShadeModel(GL_SMOOTH);
//OPENGL_CHECK_ERRORS;
//position viewer
//glMatrixMode(GL_MODELVIEW);
//glLoadIdentity();
//glDisable(GL_ALPHA_TEST);
//OPENGL_CHECK_ERRORS;
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
OPENGL_CHECK_ERRORS;
glDisable(GL_BLEND);
OPENGL_CHECK_ERRORS;
glFrontFace(GL_CCW);
OPENGL_CHECK_ERRORS;
glDisable(GL_CULL_FACE);
OPENGL_CHECK_ERRORS;
//glDisable(GL_NORMALIZE);
//OPENGL_CHECK_ERRORS;
glDepthFunc(GL_LEQUAL);
OPENGL_CHECK_ERRORS;
glEnable(GL_DEPTH_TEST);
OPENGL_CHECK_ERRORS;
//glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
//OPENGL_CHECK_ERRORS;
glEnable(GL_BLEND);
OPENGL_CHECK_ERRORS;
//glEnable(GL_ALPHA_TEST);
//OPENGL_CHECK_ERRORS;
//glMatrixMode(GL_PROJECTION);
//OPENGL_CHECK_ERRORS;
//glLoadIdentity();
//OPENGL_CHECK_ERRORS;
glDepthRangef(0.0f, 1.0f);
OPENGL_CHECK_ERRORS;
}
//!Method responsible for booting Shader
void MainGraphic::initializeShader()
{
this->shader = new Shader();
glEnable(GL_DEPTH_TEST);
glClearDepthf(1.0f);
glDepthFunc(GL_LEQUAL);
}
void OGLRender::ClearZBuffer(float depth)
{
uint32 flag=GL_DEPTH_BUFFER_BIT;
glClearDepthf(depth);
OPENGL_CHECK_ERRORS;
glClear(flag);
OPENGL_CHECK_ERRORS;
}
void RenderCB(GlRunner *runner)
{
glClearColor(0.2, 0.1, 0.2, 0.0);
glClearDepthf(1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
void OGLESRenderEngine::ClearDepth(GLfloat depth)
{
if (depth != clear_depth_)
{
glClearDepthf(depth);
clear_depth_ = depth;
}
}
void GL__ClearDepth(::uStatic* __this, float depth_)
{
#ifdef XLI_GL_DESKTOP
glClearDepth((double)depth_);
#else
glClearDepthf(depth_);
#endif
}
void PGlState::setDepthClearValue(pfloat32 value)
{
if (value != m_depthClearValue)
{
m_depthClearValue = value;
glClearDepthf(value);
}
}
void XGraphicsOpenGL::RestoreDevice()
{
XTRACE("restore device resource");
GLint sizeMax = 2048;
CHECK_GL_ERROR();
glGetIntegerv( GL_MAX_TEXTURE_SIZE, (GLint*)&sizeMax );
//#if defined(WIN32) && defined(_DEBUG)
// 사양이 좋은 기기여서 아틀라스가 8096까지 늘어난다고 치면 만약 단한번이라도 텍스쳐 스위칭이 일어나면 스트레스가 매우 심할듯 싶어 안정적인 수치인 2048로 고정함
if( sizeMax > 2048 )
sizeMax = 2048; // 최저사양폰을 위한.
//#endif //
XSurface::SetMaxSurfaceWidth( sizeMax );
XTRACE( "max texture size:%d", sizeMax );
// 여기서 에러나면 그것은 OpenGL ES 2.0으로 초기화했기때문이다. 2.0에는 glMatrixMode라는게 없다.
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// Set a blending function to use
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// Enable blending
glEnable(GL_BLEND);
CHECK_GL_ERROR();
// glEnable( GL_DEPTH_TEST );
// CHECK_GL_ERROR();
glDisable( GL_DEPTH_TEST );
CHECK_GL_ERROR();
glDepthFunc( GL_GEQUAL );
CHECK_GL_ERROR();
glClearDepthf( -1000.f );
CHECK_GL_ERROR();
// 세이더 로딩
XTRACE("col tex shader loading....");
m_pShaderColTex->LoadShaderFromStr( xvShaderColTex,
xfShaderColTex,
"base_shader" );
XTRACE( "col tex alpha test shader loading...." );
m_pShaderColTexAlphaTest->LoadShaderFromStr( xvShaderColTex,
xfShaderColTexAlphaTest,
"alpha_test_shader" );
XTRACE("texture shader loading....");
m_pTextureShader->LoadShaderFromStr( xvShader_Texture, xfShader_Texture, "texture_shader" );
XTRACE("gray shader loading....");
m_pGrayShader->LoadShaderFromStr( xvShaderColTex, xfShader_Gray, "gray_shader" );
XTRACE("color shader loading....");
m_pColorShader->LoadShaderFromStr( xvShader_Color, xfShader_Color, "color_shader");
XTRACE("onecolor shader loading....");
m_pOneColorShader->LoadShaderFromStr( xvShader_OneColor, xfShader_OneColor, "one_color shader" );
XTRACE("blurH shader loading....");
m_pBlurShaderH->LoadShaderFromStr( xvShaderColTex, xfShader_blurH, "blurH_shader" );
XTRACE("blurV shader loading....");
m_pBlurShaderV->LoadShaderFromStr( xvShaderColTex, xfShader_blurV, "blurV_shader" );
// 현재 쉐이더를 지정
XGraphicsOpenGL::sSetShader( m_pShaderColTex );
}
void GraphicsContext3D::clearDepth(GC3Dclampf depth)
{
makeContextCurrent();
#if defined(QT_OPENGL_ES_2)
glClearDepthf(depth);
#else
glClearDepth(depth);
#endif
}
void GLES2StateCacheManagerImp::setClearDepth(GLclampf depth)
{
if(mClearDepth != depth)
{
mClearDepth = depth;
OGRE_CHECK_GL_ERROR(glClearDepthf(depth));
}
}