void RenderManager::DetectRenderingCapabilities()
{
#if defined(__DAVAENGINE_MACOS__)
caps.isHardwareCursorSupported = true;
#elif defined (__DAVAENGINE_IPHONE__) || defined (__DAVAENGINE_ANDROID__)
caps.isHardwareCursorSupported = false;
#endif
#if defined(__DAVAENGINE_IPHONE__)
caps.isPVRTCSupported = IsGLExtensionSupported("GL_IMG_texture_compression_pvrtc");
caps.isETCSupported = false;
caps.isDXTSupported = false;
caps.isBGRA8888Supported = IsGLExtensionSupported("GL_APPLE_texture_format_BGRA8888");
caps.isFloat16Supported = IsGLExtensionSupported("GL_OES_texture_half_float");
caps.isFloat32Supported = IsGLExtensionSupported("GL_OES_texture_float");
#elif defined(__DAVAENGINE_ANDROID__)
//TODO: added correct
caps.isPVRTCSupported = IsGLExtensionSupported("GL_IMG_texture_compression_pvrtc");
caps.isETCSupported = IsGLExtensionSupported("GL_OES_compressed_ETC1_RGB8_texture");
caps.isDXTSupported = IsGLExtensionSupported("GL_EXT_texture_compression_s3tc");
caps.isBGRA8888Supported = false;
caps.isFloat16Supported = IsGLExtensionSupported("GL_OES_texture_half_float");
caps.isFloat32Supported = IsGLExtensionSupported("GL_OES_texture_float");
#elif defined(__DAVAENGINE_MACOS__)
caps.isPVRTCSupported = false;
caps.isDXTSupported = IsGLExtensionSupported("GL_EXT_texture_compression_s3tc");
caps.isETCSupported = IsGLExtensionSupported("GL_OES_compressed_ETC1_RGB8_texture");
caps.isBGRA8888Supported = IsGLExtensionSupported("GL_IMG_texture_format_BGRA8888");
caps.isFloat16Supported = IsGLExtensionSupported("GL_ARB_half_float_pixel");
caps.isFloat32Supported = IsGLExtensionSupported("GL_ARB_texture_float");
#elif defined(__DAVAENGINE_WIN32__)
caps.isPVRTCSupported = false;
caps.isETCSupported = IsGLExtensionSupported("GL_OES_compressed_ETC1_RGB8_texture");
caps.isBGRA8888Supported = IsGLExtensionSupported("GL_IMG_texture_format_BGRA8888");
caps.isFloat16Supported = IsGLExtensionSupported("GL_ARB_half_float_pixel");
caps.isFloat32Supported = IsGLExtensionSupported("GL_ARB_texture_float");
caps.isDXTSupported = IsGLExtensionSupported("GL_EXT_texture_compression_s3tc");
#endif
// caps.isDXTSupported = IsGLExtensionSupported("GL_EXT_texture_compression_s3tc");
}
void RenderManager::DetectRenderingCapabilities()
{
#if defined(__DAVAENGINE_MACOS__)
caps.isHardwareCursorSupported = true;
#elif defined (__DAVAENGINE_IPHONE__) || defined (__DAVAENGINE_ANDROID__)
caps.isHardwareCursorSupported = false;
#endif
#if defined(__DAVAENGINE_IPHONE__)
caps.isPVRTCSupported = IsGLExtensionSupported("GL_IMG_texture_compression_pvrtc");
caps.isPVRTC2Supported = IsGLExtensionSupported("GL_IMG_texture_compression_pvrtc2");
caps.isETCSupported = false;
caps.isDXTSupported = false;
caps.isBGRA8888Supported = IsGLExtensionSupported("GL_APPLE_texture_format_BGRA8888");
caps.isFloat16Supported = IsGLExtensionSupported("GL_OES_texture_half_float");
caps.isFloat32Supported = IsGLExtensionSupported("GL_OES_texture_float");
caps.isATCSupported = IsGLExtensionSupported("GL_AMD_compressed_ATC_texture");
#elif defined(__DAVAENGINE_ANDROID__)
//TODO: added correct
caps.isPVRTCSupported = IsGLExtensionSupported("GL_IMG_texture_compression_pvrtc");
caps.isPVRTC2Supported = IsGLExtensionSupported("GL_IMG_texture_compression_pvrtc2");
caps.isETCSupported = IsGLExtensionSupported("GL_OES_compressed_ETC1_RGB8_texture");
caps.isDXTSupported = IsGLExtensionSupported("GL_EXT_texture_compression_s3tc");
caps.isBGRA8888Supported = false;
caps.isFloat16Supported = IsGLExtensionSupported("GL_OES_texture_half_float");
caps.isFloat32Supported = IsGLExtensionSupported("GL_OES_texture_float");
caps.isATCSupported = IsGLExtensionSupported("GL_AMD_compressed_ATC_texture");
caps.isGlDepth24Stencil8Supported = IsGLExtensionSupported("GL_DEPTH24_STENCIL8") || IsGLExtensionSupported("GL_OES_packed_depth_stencil");
caps.isGlDepthNvNonLinearSupported = IsGLExtensionSupported("GL_DEPTH_COMPONENT16_NONLINEAR_NV");
# if (__ANDROID_API__ < 18)
InitFakeOcclusion();
# endif
#elif defined(__DAVAENGINE_MACOS__) || defined(__DAVAENGINE_WIN32__)
caps.isPVRTCSupported = false;
#if defined(GL_COMPRESSED_RGB_S3TC_DXT1_EXT) || defined(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) || defined(GL_COMPRESSED_RGBA_S3TC_DXT3_EXT) || defined(GL_COMPRESSED_RGBA_S3TC_DXT5_EXT)
caps.isDXTSupported = IsGLExtensionSupported("GL_EXT_texture_compression_s3tc");
#else //DXT
caps.isDXTSupported = false;
#endif //DXT
#if defined(GL_ETC1_RGB8_OES)
caps.isETCSupported = IsGLExtensionSupported("GL_OES_compressed_ETC1_RGB8_texture");
#else //ETC1
caps.isETCSupported = false;
#endif //ETC1
#if defined(GL_ATC_RGB_AMD) || defined(GL_ATC_RGBA_EXPLICIT_ALPHA_AMD) || defined(GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD)
caps.isATCSupported = IsGLExtensionSupported("GL_AMD_compressed_ATC_texture");
#else //ATC
caps.isATCSupported = false;
#endif //ATC
caps.isBGRA8888Supported = IsGLExtensionSupported("GL_IMG_texture_format_BGRA8888");
caps.isFloat16Supported = IsGLExtensionSupported("GL_ARB_half_float_pixel");
caps.isFloat32Supported = IsGLExtensionSupported("GL_ARB_texture_float");
#endif
caps.isOpenGLES3Supported = (renderer == Core::RENDERER_OPENGL_ES_3_0);
PixelFormatDescriptor::InitializePixelFormatDescriptors();
int maxVertexTextureUnits = 0;
glGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &maxVertexTextureUnits);
caps.isVertexTextureUnitsSupported = (maxVertexTextureUnits > 0);
caps.isFramebufferFetchSupported = IsGLExtensionSupported("GL_EXT_shader_framebuffer_fetch");
}
void gkGLExtension::Init()
{
EXTENSIONS = glGetString(GL_EXTENSIONS);
TCHAR* str = (TCHAR*)EXTENSIONS;
#ifdef UNICODE
const char* org = (const char*)EXTENSIONS;
str = new TCHAR[ strlen(org) + 1 ];
MultiByteToWideChar( CP_ACP, NULL, org, -1, str, strlen(org) + 1);
#endif
gkLogMessage( _T("GLEXT: \n --------------------------- \n %s"), str );
gkLogMessage( _T("--------------------------- \n") );
// VAO EXT
glBindVertexArrayOES = (PFNGLBINDVERTEXARRAYOESPROC) GLEXTGetProcAddress(glBindVertexArrayOES);
glDeleteVertexArraysOES = (PFNGLDELETEVERTEXARRAYSOESPROC) GLEXTGetProcAddress(glDeleteVertexArraysOES);
glGenVertexArraysOES = (PFNGLGENVERTEXARRAYSOESPROC) GLEXTGetProcAddress(glGenVertexArraysOES);
glIsVertexArrayOES = (PFNGLISVERTEXARRAYOESPROC) GLEXTGetProcAddress(glIsVertexArrayOES);
if (glBindVertexArrayOES || glDeleteVertexArraysOES || glGenVertexArraysOES || glIsVertexArrayOES )
{
gkLogMessage( _T("RendererGLES2: Device support ext [VAO].") );
//EXT_VAO = true;
#ifdef OS_IOS
EXT_VAO = true;
#endif
}
glMapBufferOES = (PFNGLMAPBUFFEROESPROC) GLEXTGetProcAddress(glMapBufferOES);
glUnmapBufferOES = (PFNGLUNMAPBUFFEROESPROC) GLEXTGetProcAddress(glUnmapBufferOES);
glGetBufferPointervOES = (PFNGLGETBUFFERPOINTERVOESPROC) GLEXTGetProcAddress(glGetBufferPointervOES);
if (glMapBufferOES || glUnmapBufferOES || glGetBufferPointervOES )
{
gkLogMessage( _T("RendererGLES2: Device support ext [map_buffer_oes].") );
MAP_BUFFER = true;
#ifdef OS_IOS
MAP_BUFFER = true;
#endif
}
else
{
MAP_BUFFER = false;
}
int max_vs_uniforms = 0;
glGetIntegerv(GL_MAX_VERTEX_UNIFORM_VECTORS , &max_vs_uniforms);
int max_ps_uniforms = 0;
glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_VECTORS , &max_ps_uniforms);
gkLogMessage( _T("RendererGLES2: max uniforms [vs:%d] [ps:%d]."), max_vs_uniforms, max_ps_uniforms );
#if defined( GL_OES_vertex_half_float ) && defined( GL_OES_vertex_type_10_10_10_2 )
COMPRESS_VERTEX = true;
#endif
if ( IsGLExtensionSupported("GL_OES_element_index_uint") )
{
INDEX_32BIT = true;
}
#ifdef OS_ANDROID
//COMPRESS_VERTEX = false;
EXT_VAO = false;
#endif
#ifdef OS_WIN32
COMPRESS_VERTEX = false;
#endif
//////////////////////////////////////////////////////////////////////////
// check ext support
bool bIsPVRTCSupported = gkGLExtension::IsGLExtensionSupported("GL_IMG_texture_compression_pvrtc");
#ifndef OS_IOS
bool bIsBGRA8888Supported = gkGLExtension::IsGLExtensionSupported("GL_IMG_texture_format_BGRA8888");
#else
bool bIsBGRA8888Supported = gkGLExtension::IsGLExtensionSupported("GL_APPLE_texture_format_BGRA8888");
#endif
bool bIsFloat16Supported = gkGLExtension::IsGLExtensionSupported("GL_OES_texture_half_float");
bool bIsFloat32Supported = gkGLExtension::IsGLExtensionSupported("GL_OES_texture_float");
#ifndef OS_IOS
bool bIsETCSupported = gkGLExtension::IsGLExtensionSupported("GL_OES_compressed_ETC1_RGB8_texture");
#endif
}
/*!****************************************************************************
@Function InitView
@Return bool true if no error occured
@Description Code in InitView() will be called by PVRShell upon
initialization or after a change in the rendering context.
Used to initialize variables that are dependant on the rendering
context (e.g. textures, vertex buffers, etc.)
******************************************************************************/
bool OGLES2BinaryShader::InitView()
{
// Initialise a colour to draw our triangle
// (For this training course, binary loaded shaders use a different colour
// To show which is being used. Red means it had to compile the shaders,
// green shows that it retrieved the binary from memory.
float afColour[]={0.0,0.0,0.0};
// Filename and path strings.
char* pWritePath = (char*)PVRShellGet(prefWritePath);
char* shaderPath = new char[strlen(pWritePath) + 13];
sprintf(shaderPath, "%sShaderBinary", pWritePath);
//Checks if the program binary handling extension is supported.
m_bBinaryShaderSupported=IsGLExtensionSupported("GL_OES_get_program_binary");
#if !defined (TARGET_OS_IPHONE)
glGetProgramBinaryOES=0;
glProgramBinaryOES=0;
// Retrieves the functions needed to use the extension.
if (m_bBinaryShaderSupported)
{
glGetProgramBinaryOES = (PFNGLGETPROGRAMBINARYOESPROC) PVRGetProcAddress(glGetProgramBinaryOES);
glProgramBinaryOES = (PFNGLPROGRAMBINARYOESPROC) PVRGetProcAddress(glProgramBinaryOES);
}
#endif
// If binary shaders are not supported or there isn't a valid binary shader stored, recompile the shaders.
if (!m_bBinaryShaderSupported || !loadBinaryProgram(shaderPath,m_uiProgramObject))
{
{
// Fragment shader code
const char* pszFragShader = "\
uniform lowp vec3 myColour;\
void main (void)\
{\
gl_FragColor = vec4(myColour, 1.0);\
}";
// Create the fragment shader object
m_uiFragShader = glCreateShader(GL_FRAGMENT_SHADER);
// Load the source code into it
glShaderSource(m_uiFragShader, 1, (const char**)&pszFragShader, NULL);
// Compile the source code
glCompileShader(m_uiFragShader);
// Check if compilation succeeded
GLint bShaderCompiled;
glGetShaderiv(m_uiFragShader, GL_COMPILE_STATUS, &bShaderCompiled);
if (!bShaderCompiled)
{
// An error happened, first retrieve the length of the log message
int i32InfoLogLength, i32CharsWritten;
glGetShaderiv(m_uiFragShader, GL_INFO_LOG_LENGTH, &i32InfoLogLength);
// Allocate enough space for the message and retrieve it
char* pszInfoLog = new char[i32InfoLogLength];
glGetShaderInfoLog(m_uiFragShader, i32InfoLogLength, &i32CharsWritten, pszInfoLog);
/*
Displays the message in a dialog box when the application quits
using the shell PVRShellSet function with first parameter prefExitMessage.
*/
char* pszMsg = new char[i32InfoLogLength+256];
strcpy(pszMsg, "Failed to compile fragment shader: ");
strcat(pszMsg, pszInfoLog);
PVRShellSet(prefExitMessage, pszMsg);
delete [] pszMsg;
delete [] pszInfoLog;
delete [] shaderPath;
return false;
}
}
