Move all OpenGL-specific code to a separate directory

[libs/gl.git] / source / core / datatype.cpp

diff --git a/source/core/datatype.cpp b/source/core/datatype.cpp
deleted file mode 100644 (file)
index 4dd0b89..0000000
--- a/source/core/datatype.cpp
+++ /dev/null
@@ -1,117 +0,0 @@
-#include <algorithm>
-#include <stdexcept>
-#include <msp/gl/extensions/arb_gpu_shader_fp64.h>
-#include <msp/gl/extensions/nv_half_float.h>
-#include <msp/gl/extensions/nv_non_square_matrices.h>
-#include "datatype.h"
-
-using namespace std;
-
-namespace {
-
-struct MappedType
-{
-       Msp::GL::DataType type;
-       GLenum gl_type;
-};
-
-// Make sure this is sorted!
-const MappedType type_map[] =
-{
-       { Msp::GL::UNSIGNED_BYTE, GL_UNSIGNED_BYTE },
-       { Msp::GL::UNSIGNED_SHORT, GL_UNSIGNED_SHORT },
-       { Msp::GL::UNSIGNED_INT, GL_UNSIGNED_INT },
-       { Msp::GL::BYTE, GL_BYTE },
-       { Msp::GL::SHORT, GL_SHORT },
-       { Msp::GL::INT, GL_INT },
-       { Msp::GL::HALF_FLOAT, GL_HALF_FLOAT },
-       { Msp::GL::FLOAT, GL_FLOAT },
-       { Msp::GL::DOUBLE, GL_DOUBLE },
-       { Msp::GL::BOOL, GL_BOOL },
-       { Msp::GL::INT_VEC2, GL_INT_VEC2 },
-       { Msp::GL::FLOAT_VEC2, GL_FLOAT_VEC2 },
-       { Msp::GL::BOOL_VEC2, GL_BOOL_VEC2 },
-       { Msp::GL::INT_VEC3, GL_INT_VEC3 },
-       { Msp::GL::FLOAT_VEC3, GL_FLOAT_VEC3 },
-       { Msp::GL::BOOL_VEC3, GL_BOOL_VEC3 },
-       { Msp::GL::INT_VEC4, GL_INT_VEC4 },
-       { Msp::GL::FLOAT_VEC4, GL_FLOAT_VEC4 },
-       { Msp::GL::BOOL_VEC4, GL_BOOL_VEC4 },
-       { Msp::GL::FLOAT_MAT2, GL_FLOAT_MAT2 },
-       { Msp::GL::DOUBLE_MAT2, GL_DOUBLE_MAT2 },
-       { Msp::GL::FLOAT_MAT3, GL_FLOAT_MAT3 },
-       { Msp::GL::DOUBLE_MAT3, GL_DOUBLE_MAT3 },
-       { Msp::GL::FLOAT_MAT4, GL_FLOAT_MAT4 },
-       { Msp::GL::DOUBLE_MAT4, GL_DOUBLE_MAT4 },
-       { Msp::GL::FLOAT_MAT2x3, GL_FLOAT_MAT2x3 },
-       { Msp::GL::DOUBLE_MAT2x3, GL_DOUBLE_MAT2x3 },
-       { Msp::GL::FLOAT_MAT3x2, GL_FLOAT_MAT3x2 },
-       { Msp::GL::DOUBLE_MAT3x2, GL_DOUBLE_MAT3x2 },
-       { Msp::GL::FLOAT_MAT2x4, GL_FLOAT_MAT2x4 },
-       { Msp::GL::DOUBLE_MAT2x4, GL_DOUBLE_MAT2x4 },
-       { Msp::GL::FLOAT_MAT4x2, GL_FLOAT_MAT4x2 },
-       { Msp::GL::DOUBLE_MAT4x2, GL_DOUBLE_MAT4x2 },
-       { Msp::GL::FLOAT_MAT3x4, GL_FLOAT_MAT3x4 },
-       { Msp::GL::DOUBLE_MAT3x4, GL_DOUBLE_MAT3x4 },
-       { Msp::GL::FLOAT_MAT4x3, GL_FLOAT_MAT4x3 },
-       { Msp::GL::DOUBLE_MAT4x3, GL_DOUBLE_MAT4x3 },
-       { Msp::GL::IMAGE_1D, GL_IMAGE_1D },
-       { Msp::GL::IMAGE_2D, GL_IMAGE_2D },
-       { Msp::GL::IMAGE_3D, GL_IMAGE_3D },
-       { Msp::GL::IMAGE_CUBE, GL_IMAGE_CUBE },
-       { Msp::GL::IMAGE_1D_ARRAY, GL_IMAGE_1D_ARRAY },
-       { Msp::GL::IMAGE_2D_ARRAY, GL_IMAGE_2D_ARRAY },
-       { Msp::GL::IMAGE_CUBE_ARRAY, GL_IMAGE_CUBE_MAP_ARRAY },
-       { Msp::GL::SAMPLER_1D, GL_SAMPLER_1D },
-       { Msp::GL::SAMPLER_2D, GL_SAMPLER_2D },
-       { Msp::GL::SAMPLER_3D, GL_SAMPLER_3D },
-       { Msp::GL::SAMPLER_CUBE, GL_SAMPLER_CUBE },
-       { Msp::GL::SAMPLER_1D_ARRAY, GL_SAMPLER_1D_ARRAY },
-       { Msp::GL::SAMPLER_2D_ARRAY, GL_SAMPLER_2D_ARRAY },
-       { Msp::GL::SAMPLER_CUBE_ARRAY, GL_SAMPLER_CUBE_MAP_ARRAY },
-       { Msp::GL::SAMPLER_1D_SHADOW, GL_SAMPLER_1D_SHADOW },
-       { Msp::GL::SAMPLER_2D_SHADOW, GL_SAMPLER_2D_SHADOW },
-       { Msp::GL::SAMPLER_CUBE_SHADOW, GL_SAMPLER_CUBE_SHADOW },
-       { Msp::GL::SAMPLER_1D_ARRAY_SHADOW, GL_SAMPLER_1D_ARRAY_SHADOW },
-       { Msp::GL::SAMPLER_2D_ARRAY_SHADOW, GL_SAMPLER_2D_ARRAY_SHADOW },
-       { Msp::GL::SAMPLER_CUBE_ARRAY_SHADOW, GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW }
-};
-const unsigned type_map_size = sizeof(type_map)/sizeof(MappedType);
-
-bool type_compare(const MappedType &mt, Msp::GL::DataType t)
-{ return mt.type<t; }
-
-}
-
-namespace Msp {
-namespace GL {
-
-GLenum get_gl_type(DataType type)
-{
-       const MappedType *end = type_map+type_map_size;
-       const MappedType *ptr = lower_bound(type_map, end, type, type_compare);
-       if(ptr==end || ptr->type!=type)
-               throw invalid_argument("get_gl_type");
-       return ptr->gl_type;
-}
-
-DataType from_gl_type(GLenum gl_type)
-{
-       for(unsigned i=0; i<type_map_size; ++i)
-               if(type_map[i].gl_type==gl_type)
-                       return type_map[i].type;
-       throw invalid_argument("from_gl_type");
-}
-
-void require_type(DataType type)
-{
-       unsigned rows = ((type>>12)&3)+1;
-       unsigned cols = ((type>>14)&4)+1;
-       if(rows>1 && cols>1 && rows!=cols)
-               static Require _req(NV_non_square_matrices);
-       if((type&0x200) && get_type_size(type)/(rows*cols)==8)
-               static Require _req(ARB_gpu_shader_fp64);
-}
-
-} // namespace GL
-} // namespace Msp