void FOpenGLES2::ProcessQueryGLInt()
{
GLint MaxVertexAttribs;
LOG_AND_GET_GL_INT(GL_MAX_VERTEX_ATTRIBS, 0, MaxVertexAttribs);
bNeedsVertexAttribRemap = MaxVertexAttribs < 16;
if (bNeedsVertexAttribRemap)
{
UE_LOG(LogRHI, Warning,
TEXT("Device reports support for %d vertex attributes, UE4 requires 16. Rendering artifacts may occur."),
MaxVertexAttribs
);
}
LOG_AND_GET_GL_INT(GL_MAX_VARYING_VECTORS, 0, MaxVaryingVectors);
LOG_AND_GET_GL_INT(GL_MAX_VERTEX_UNIFORM_VECTORS, 0, MaxVertexUniformComponents);
LOG_AND_GET_GL_INT(GL_MAX_FRAGMENT_UNIFORM_VECTORS, 0, MaxPixelUniformComponents);
const GLint RequiredMaxVertexUniformComponents = 256;
if (MaxVertexUniformComponents < RequiredMaxVertexUniformComponents)
{
UE_LOG(LogRHI,Warning,
TEXT("Device reports support for %d vertex uniform vectors, UE4 requires %d. Rendering artifacts may occur, especially with skeletal meshes. Some drivers, e.g. iOS, report a smaller number than is actually supported."),
MaxVertexUniformComponents,
RequiredMaxVertexUniformComponents
);
}
MaxVertexUniformComponents = FMath::Max<GLint>(MaxVertexUniformComponents, RequiredMaxVertexUniformComponents);
MaxGeometryUniformComponents = 0;
MaxGeometryTextureImageUnits = 0;
MaxHullTextureImageUnits = 0;
MaxDomainTextureImageUnits = 0;
}
void FOpenGLES31::ProcessQueryGLInt()
{
if(bES2Fallback)
{
LOG_AND_GET_GL_INT(GL_MAX_VARYING_VECTORS, 0, MaxVaryingVectors);
LOG_AND_GET_GL_INT(GL_MAX_VERTEX_UNIFORM_VECTORS, 0, MaxVertexUniformComponents);
LOG_AND_GET_GL_INT(GL_MAX_FRAGMENT_UNIFORM_VECTORS, 0, MaxPixelUniformComponents);
MaxVaryingVectors *= 4;
MaxVertexUniformComponents *= 4;
MaxPixelUniformComponents *= 4;
MaxGeometryUniformComponents = 0;
MaxGeometryTextureImageUnits = 0;
MaxHullTextureImageUnits = 0;
MaxDomainTextureImageUnits = 0;
}
else
{
GET_GL_INT(GL_MAX_VARYING_VECTORS, 0, MaxVaryingVectors);
GET_GL_INT(GL_MAX_VERTEX_UNIFORM_COMPONENTS, 0, MaxVertexUniformComponents);
GET_GL_INT(GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, 0, MaxPixelUniformComponents);
GET_GL_INT(GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_EXT, 0, MaxGeometryUniformComponents);
GET_GL_INT(GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_EXT, 0, MaxGeometryTextureImageUnits);
GET_GL_INT(GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS, 0, MaxComputeTextureImageUnits);
GET_GL_INT(GL_MAX_COMPUTE_UNIFORM_COMPONENTS, 0, MaxComputeUniformComponents);
if (bSupportsTessellation)
{
GET_GL_INT(GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS_EXT, 0, MaxHullUniformComponents);
GET_GL_INT(GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS_EXT, 0, MaxDomainUniformComponents);
GET_GL_INT(GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS_EXT, 0, MaxHullTextureImageUnits);
GET_GL_INT(GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS_EXT, 0, MaxDomainTextureImageUnits);
}
else
{
MaxHullUniformComponents = 0;
MaxDomainUniformComponents = 0;
MaxHullTextureImageUnits = 0;
MaxDomainTextureImageUnits = 0;
}
}
// No timestamps
//LOG_AND_GET_GL_QUERY_INT(GL_TIMESTAMP, 0, TimestampQueryBits);
}
void FOpenGL3::ProcessQueryGLInt()
{
#ifndef __clang__
#define LOG_AND_GET_GL_INT(IntEnum, Default, Dest) do { if (IntEnum) {glGetIntegerv(IntEnum, &Dest);} else {Dest = Default;} /*FPlatformMisc::LowLevelOutputDebugStringf(TEXT(" ") ## TEXT(#IntEnum) ## TEXT(": %d"), Dest);*/ } while(0)
#else
#define LOG_AND_GET_GL_INT(IntEnum, Default, Dest) do { if (IntEnum) {glGetIntegerv(IntEnum, &Dest);} else {Dest = Default;} /*FPlatformMisc::LowLevelOutputDebugStringf(TEXT(" " #IntEnum ": %d"), Dest);*/ } while(0)
#endif
LOG_AND_GET_GL_INT(GL_MAX_VERTEX_UNIFORM_COMPONENTS, 0, MaxVertexUniformComponents);
LOG_AND_GET_GL_INT(GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, 0, MaxPixelUniformComponents);
LOG_AND_GET_GL_INT(GL_MAX_GEOMETRY_UNIFORM_COMPONENTS, 0, MaxGeometryUniformComponents);
LOG_AND_GET_GL_INT(GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS, 0, MaxGeometryTextureImageUnits);
LOG_AND_GET_GL_INT(GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS, 0, MaxHullTextureImageUnits);
LOG_AND_GET_GL_INT(GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS, 0, MaxDomainTextureImageUnits);
#ifndef __clang__
#define LOG_AND_GET_GL_QUERY_INT(IntEnum, Default, Dest) do { if (IntEnum) {glGetQueryiv(IntEnum, GL_QUERY_COUNTER_BITS, &Dest);} else {Dest = Default;} /*FPlatformMisc::LowLevelOutputDebugStringf(TEXT(" GL_QUERY_COUNTER_BITS: ") ## TEXT(#IntEnum) ## TEXT(": %d"), Dest);*/ } while(0)
#else
#define LOG_AND_GET_GL_QUERY_INT(IntEnum, Default, Dest) do { if (IntEnum) {glGetQueryiv(IntEnum, GL_QUERY_COUNTER_BITS, &Dest);} else {Dest = Default;} /*FPlatformMisc::LowLevelOutputDebugStringf(TEXT(" GL_QUERY_COUNTER_BITS: " #IntEnum ": %d"), Dest);*/ } while(0)
#endif
LOG_AND_GET_GL_QUERY_INT(GL_TIMESTAMP, 0, TimestampQueryBits);
#undef LOG_AND_GET_GL_QUERY_INT
#undef LOG_AND_GET_GL_INT
}