OGLTexture::OGLTexture(TextureType type, uint32_t array_size, uint32_t sample_count, uint32_t sample_quality, uint32_t access_hint)
: Texture(type, sample_count, sample_quality, access_hint)
{
array_size_ = array_size;
if ((array_size > 1) && (!(glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_array())))
{
THR(errc::function_not_supported);
}
switch (type_)
{
case TT_1D:
if (array_size > 1)
{
target_type_ = GL_TEXTURE_1D_ARRAY;
}
else
{
target_type_ = GL_TEXTURE_1D;
}
break;
case TT_2D:
if (array_size > 1)
{
target_type_ = GL_TEXTURE_2D_ARRAY;
}
else
{
target_type_ = GL_TEXTURE_2D;
}
break;
case TT_3D:
target_type_ = GL_TEXTURE_3D;
break;
case TT_Cube:
target_type_ = GL_TEXTURE_CUBE_MAP;
break;
default:
BOOST_ASSERT(false);
target_type_ = GL_TEXTURE_1D;
break;
}
}
void OGLConditionalRender::BeginConditionalRender()
{
OGLRenderEngine& re = *checked_cast<OGLRenderEngine*>(&Context::Instance().RenderFactoryInstance().RenderEngineInstance());
if (!re.HackForAMD())
{
if (glloader_GL_VERSION_3_0())
{
glBeginConditionalRender(query_, GL_QUERY_WAIT);
}
else
{
if (glloader_GL_NV_conditional_render())
{
glBeginConditionalRenderNV(query_, GL_QUERY_WAIT_NV);
}
}
}
}
void OGLConditionalRender::EndConditionalRender()
{
OGLRenderEngine& re = *checked_cast<OGLRenderEngine*>(&Context::Instance().RenderFactoryInstance().RenderEngineInstance());
if (!re.HackForAMD())
{
if (glloader_GL_VERSION_3_0())
{
glEndConditionalRender();
}
else
{
if (glloader_GL_NV_conditional_render())
{
glEndConditionalRenderNV();
}
}
}
}
OGLRenderLayout::OGLRenderLayout()
{
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_vertex_array_object())
{
use_vao_ = true;
}
else
{
use_vao_ = false;
}
if ((!glloader_GL_VERSION_3_1()) && glloader_GL_NV_primitive_restart())
{
use_nv_pri_restart_ = true;
}
else
{
use_nv_pri_restart_ = false;
}
}
void OGLMapping::MappingFormat(GLint& internalFormat, GLenum& glformat, GLenum& gltype, ElementFormat ef)
{
switch (ef)
{
case EF_A8:
internalFormat = GL_ALPHA8;
glformat = GL_ALPHA;
gltype = GL_UNSIGNED_BYTE;
break;
case EF_R5G6B5:
internalFormat = GL_RGB565;
glformat = GL_BGRA;
gltype = GL_UNSIGNED_SHORT_5_6_5_REV;
break;
case EF_A1RGB5:
internalFormat = GL_RGB5_A1;
glformat = GL_BGRA;
gltype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
break;
case EF_ARGB4:
internalFormat = GL_RGBA4;
glformat = GL_BGRA;
gltype = GL_UNSIGNED_SHORT_4_4_4_4_REV;
break;
case EF_R8:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_R8;
glformat = GL_RED;
gltype = GL_UNSIGNED_BYTE;
}
else
{
internalFormat = GL_LUMINANCE8;
glformat = GL_LUMINANCE;
gltype = GL_UNSIGNED_BYTE;
}
break;
case EF_SIGNED_R8:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_R8;
glformat = GL_RED;
gltype = GL_BYTE;
}
else
{
internalFormat = GL_LUMINANCE8;
glformat = GL_LUMINANCE;
gltype = GL_BYTE;
}
break;
case EF_GR8:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_RG8;
glformat = GL_RG;
gltype = GL_UNSIGNED_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_SIGNED_GR8:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_RG8;
glformat = GL_RG;
gltype = GL_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BGR8:
internalFormat = GL_RGB8;
glformat = GL_RGB;
gltype = GL_UNSIGNED_BYTE;
break;
case EF_SIGNED_BGR8:
if (glloader_GL_VERSION_3_1() || glloader_GL_EXT_texture_snorm())
{
internalFormat = GL_RGB8_SNORM;
glformat = GL_RGB;
gltype = GL_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_ARGB8:
internalFormat = GL_RGBA8;
glformat = GL_BGRA;
gltype = GL_UNSIGNED_INT_8_8_8_8_REV;
break;
case EF_ABGR8:
internalFormat = GL_RGBA8;
glformat = GL_RGBA;
gltype = GL_UNSIGNED_BYTE;
break;
case EF_SIGNED_ABGR8:
if (glloader_GL_VERSION_3_1() || glloader_GL_EXT_texture_snorm())
{
internalFormat = GL_RGBA8_SNORM;
glformat = GL_RGBA;
gltype = GL_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_A2BGR10:
internalFormat = GL_RGB10_A2;
glformat = GL_RGBA;
gltype = GL_UNSIGNED_INT_2_10_10_10_REV;
break;
case EF_SIGNED_A2BGR10:
internalFormat = GL_RGB10_A2;
glformat = GL_RGBA;
if (glloader_GL_VERSION_3_3() || glloader_GL_ARB_vertex_type_2_10_10_10_rev())
{
gltype = GL_INT_2_10_10_10_REV;
}
else
{
gltype = GL_UNSIGNED_INT_2_10_10_10_REV;
}
break;
case EF_R8UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_R8UI;
glformat = GL_RED_INTEGER_EXT;
gltype = GL_UNSIGNED_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_R8I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_R8I;
glformat = GL_RED_INTEGER_EXT;
gltype = GL_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_GR8UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RG8UI;
glformat = GL_RG_INTEGER;
gltype = GL_UNSIGNED_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_GR8I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RG8I;
glformat = GL_RG_INTEGER;
gltype = GL_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BGR8UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGB8UI;
glformat = GL_RGB_INTEGER;
gltype = GL_UNSIGNED_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BGR8I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGB8I;
glformat = GL_RGB_INTEGER;
gltype = GL_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_ABGR8UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGBA8UI;
glformat = GL_RGBA_INTEGER;
gltype = GL_UNSIGNED_INT_8_8_8_8;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_ABGR8I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGBA8I;
glformat = GL_RGBA_INTEGER;
gltype = GL_UNSIGNED_INT_8_8_8_8;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_R16:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_R16;
glformat = GL_RED;
gltype = GL_UNSIGNED_SHORT;
}
else
{
internalFormat = GL_LUMINANCE16;
glformat = GL_LUMINANCE;
gltype = GL_UNSIGNED_SHORT;
}
break;
case EF_SIGNED_R16:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_R16;
glformat = GL_RED;
gltype = GL_SHORT;
}
else
{
internalFormat = GL_LUMINANCE16;
glformat = GL_LUMINANCE;
gltype = GL_SHORT;
}
break;
case EF_GR16:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_RG16;
glformat = GL_RG;
gltype = GL_UNSIGNED_SHORT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_SIGNED_GR16:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_RG16;
glformat = GL_RG;
gltype = GL_SHORT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BGR16:
internalFormat = GL_RGB16;
glformat = GL_RGB;
gltype = GL_UNSIGNED_SHORT;
break;
case EF_SIGNED_BGR16:
internalFormat = GL_RGB16;
glformat = GL_RGB;
gltype = GL_SHORT;
break;
case EF_ABGR16:
internalFormat = GL_RGBA16;
glformat = GL_RGBA;
gltype = GL_UNSIGNED_SHORT;
break;
case EF_SIGNED_ABGR16:
internalFormat = GL_RGBA16;
glformat = GL_RGBA;
gltype = GL_SHORT;
break;
case EF_R16UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_R16UI;
glformat = GL_RED_INTEGER_EXT;
gltype = GL_UNSIGNED_SHORT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_R16I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_R16I;
glformat = GL_RED_INTEGER_EXT;
gltype = GL_SHORT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_GR16UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RG16UI;
glformat = GL_RG_INTEGER;
gltype = GL_UNSIGNED_SHORT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_GR16I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RG16I;
glformat = GL_RG_INTEGER;
gltype = GL_SHORT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BGR16UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGB16UI;
glformat = GL_RGB_INTEGER;
gltype = GL_UNSIGNED_SHORT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BGR16I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGB16I;
glformat = GL_RGB_INTEGER;
gltype = GL_SHORT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_ABGR16UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGBA16UI;
glformat = GL_RGBA_INTEGER;
gltype = GL_UNSIGNED_SHORT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_ABGR16I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGBA16I;
glformat = GL_RGBA_INTEGER;
gltype = GL_SHORT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_R32UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_R32UI;
glformat = GL_RED_INTEGER_EXT;
gltype = GL_UNSIGNED_INT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_R32I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_R32I;
glformat = GL_RED_INTEGER_EXT;
gltype = GL_INT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_GR32UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RG32UI;
glformat = GL_RG_INTEGER;
gltype = GL_UNSIGNED_INT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_GR32I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RG32I;
glformat = GL_RG_INTEGER;
gltype = GL_INT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BGR32UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGB32UI;
glformat = GL_RGB_INTEGER;
gltype = GL_UNSIGNED_INT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BGR32I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGB32I;
glformat = GL_RGB_INTEGER;
gltype = GL_INT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_ABGR32UI:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGBA32UI;
glformat = GL_RGBA_INTEGER;
gltype = GL_UNSIGNED_INT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_ABGR32I:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_texture_integer())
{
internalFormat = GL_RGBA32I;
glformat = GL_RGBA_INTEGER;
gltype = GL_INT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_R16F:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_R16F;
glformat = GL_RED;
gltype = GL_HALF_FLOAT_ARB;
}
else
{
internalFormat = GL_LUMINANCE16F_ARB;
glformat = GL_LUMINANCE;
gltype = GL_HALF_FLOAT_ARB;
}
break;
case EF_GR16F:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_RG16F;
glformat = GL_RG;
gltype = GL_HALF_FLOAT_ARB;
}
else
{
internalFormat = GL_LUMINANCE_ALPHA16F_ARB;
glformat = GL_LUMINANCE_ALPHA;
gltype = GL_FLOAT;
}
break;
case EF_B10G11R11F:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_packed_float())
{
internalFormat = GL_R11F_G11F_B10F;
glformat = GL_RGB;
gltype = GL_UNSIGNED_INT_10F_11F_11F_REV;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BGR16F:
internalFormat = GL_RGB16F_ARB;
glformat = GL_RGB;
gltype = GL_HALF_FLOAT_ARB;
break;
case EF_ABGR16F:
internalFormat = GL_RGBA16F_ARB;
glformat = GL_RGBA;
gltype = GL_HALF_FLOAT_ARB;
break;
case EF_R32F:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_R32F;
glformat = GL_RED;
gltype = GL_FLOAT;
}
else
{
internalFormat = GL_LUMINANCE32F_ARB;
glformat = GL_LUMINANCE;
gltype = GL_FLOAT;
}
break;
case EF_GR32F:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
internalFormat = GL_RG32F;
glformat = GL_RG;
gltype = GL_FLOAT;
}
else
{
internalFormat = GL_LUMINANCE_ALPHA32F_ARB;
glformat = GL_LUMINANCE_ALPHA;
gltype = GL_FLOAT;
}
break;
case EF_BGR32F:
internalFormat = GL_RGB32F_ARB;
glformat = GL_RGB;
gltype = GL_FLOAT;
break;
case EF_ABGR32F:
internalFormat = GL_RGBA32F_ARB;
glformat = GL_RGBA;
gltype = GL_FLOAT;
break;
case EF_BC1:
if (glloader_GL_EXT_texture_compression_s3tc())
{
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
glformat = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
gltype = GL_UNSIGNED_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BC2:
if (glloader_GL_EXT_texture_compression_s3tc())
{
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
glformat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
gltype = GL_UNSIGNED_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BC3:
if (glloader_GL_EXT_texture_compression_s3tc())
{
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
glformat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
gltype = GL_UNSIGNED_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BC4:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_compression_rgtc())
{
internalFormat = GL_COMPRESSED_RED_RGTC1;
glformat = GL_COMPRESSED_LUMINANCE;
gltype = GL_UNSIGNED_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_BC5:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_compression_rgtc())
{
internalFormat = GL_COMPRESSED_RG_RGTC2;
glformat = GL_COMPRESSED_LUMINANCE_ALPHA;
gltype = GL_UNSIGNED_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_SIGNED_BC4:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_compression_rgtc())
{
internalFormat = GL_COMPRESSED_SIGNED_RED_RGTC1;
glformat = GL_COMPRESSED_LUMINANCE;
gltype = GL_UNSIGNED_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_SIGNED_BC5:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_compression_rgtc())
{
internalFormat = GL_COMPRESSED_SIGNED_RG_RGTC2;
glformat = GL_COMPRESSED_LUMINANCE_ALPHA;
gltype = GL_UNSIGNED_BYTE;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_D16:
internalFormat = GL_DEPTH_COMPONENT16;
glformat = GL_DEPTH_COMPONENT;
gltype = GL_UNSIGNED_SHORT;
break;
case EF_D24S8:
if (glloader_GL_VERSION_3_0())
{
internalFormat = GL_DEPTH24_STENCIL8;
glformat = GL_DEPTH_STENCIL;
gltype = GL_UNSIGNED_INT_24_8;
}
else if (glloader_GL_EXT_packed_depth_stencil())
{
internalFormat = GL_DEPTH24_STENCIL8_EXT;
glformat = GL_DEPTH_STENCIL_EXT;
gltype = GL_UNSIGNED_INT_24_8_EXT;
}
else
{
THR(errc::function_not_supported);
}
break;
case EF_D32F:
internalFormat = GL_DEPTH_COMPONENT32F;
glformat = GL_DEPTH_COMPONENT;
gltype = GL_FLOAT;
break;
case EF_ARGB8_SRGB:
internalFormat = GL_SRGB8_ALPHA8;
glformat = GL_BGRA;
gltype = GL_UNSIGNED_INT_8_8_8_8_REV;
break;
case EF_ABGR8_SRGB:
internalFormat = GL_SRGB8_ALPHA8;
glformat = GL_RGBA;
gltype = GL_UNSIGNED_BYTE;
break;
case EF_BC1_SRGB:
internalFormat = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
glformat = GL_BGRA;
gltype = GL_UNSIGNED_BYTE;
break;
case EF_BC2_SRGB:
internalFormat = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;
glformat = GL_BGRA;
gltype = GL_UNSIGNED_BYTE;
break;
case EF_BC3_SRGB:
internalFormat = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
glformat = GL_BGRA;
gltype = GL_UNSIGNED_BYTE;
break;
case EF_BC4_SRGB:
internalFormat = GL_COMPRESSED_SLUMINANCE;
glformat = GL_LUMINANCE;
gltype = GL_UNSIGNED_BYTE;
break;
case EF_BC5_SRGB:
internalFormat = GL_COMPRESSED_SLUMINANCE_ALPHA;
glformat = GL_LUMINANCE_ALPHA;
gltype = GL_UNSIGNED_BYTE;
break;
default:
THR(errc::function_not_supported);
}
}
void OGLMapping::MappingVertexFormat(GLenum& gltype, GLboolean& normalized, ElementFormat ef)
{
switch (ef)
{
case EF_A8:
case EF_R8:
case EF_GR8:
case EF_BGR8:
case EF_ARGB8:
case EF_ABGR8:
gltype = GL_UNSIGNED_BYTE;
normalized = GL_TRUE;
break;
case EF_R8UI:
case EF_GR8UI:
case EF_BGR8UI:
case EF_ABGR8UI:
gltype = GL_UNSIGNED_BYTE;
normalized = GL_FALSE;
break;
case EF_SIGNED_R8:
case EF_SIGNED_GR8:
case EF_SIGNED_BGR8:
case EF_SIGNED_ABGR8:
gltype = GL_BYTE;
normalized = GL_TRUE;
break;
case EF_R8I:
case EF_GR8I:
case EF_BGR8I:
case EF_ABGR8I:
gltype = GL_BYTE;
normalized = GL_FALSE;
break;
case EF_A2BGR10:
gltype = GL_UNSIGNED_INT_2_10_10_10_REV;
normalized = GL_TRUE;
break;
case EF_SIGNED_A2BGR10:
if (glloader_GL_VERSION_3_3() || glloader_GL_ARB_vertex_type_2_10_10_10_rev())
{
gltype = GL_INT_2_10_10_10_REV;
}
else
{
gltype = GL_UNSIGNED_INT_2_10_10_10_REV;
}
normalized = GL_TRUE;
break;
case EF_R16:
case EF_GR16:
case EF_BGR16:
case EF_ABGR16:
gltype = GL_UNSIGNED_SHORT;
normalized = GL_TRUE;
break;
case EF_R16UI:
case EF_GR16UI:
case EF_BGR16UI:
case EF_ABGR16UI:
gltype = GL_UNSIGNED_SHORT;
normalized = GL_FALSE;
break;
case EF_SIGNED_R16:
case EF_SIGNED_GR16:
case EF_SIGNED_BGR16:
case EF_SIGNED_ABGR16:
gltype = GL_SHORT;
normalized = GL_TRUE;
break;
case EF_R16I:
case EF_GR16I:
case EF_BGR16I:
case EF_ABGR16I:
gltype = GL_SHORT;
normalized = GL_FALSE;
break;
case EF_R32UI:
case EF_GR32UI:
case EF_BGR32UI:
case EF_ABGR32UI:
gltype = GL_UNSIGNED_INT;
normalized = GL_FALSE;
break;
case EF_R32I:
case EF_GR32I:
case EF_BGR32I:
case EF_ABGR32I:
gltype = GL_INT;
normalized = GL_FALSE;
break;
case EF_R16F:
case EF_GR16F:
case EF_BGR16F:
case EF_ABGR16F:
if (glloader_GL_VERSION_3_0() || glloader_GL_ARB_texture_rg())
{
gltype = GL_HALF_FLOAT_ARB;
}
else
{
gltype = GL_FLOAT;
}
normalized = GL_FALSE;
break;
case EF_B10G11R11F:
if (glloader_GL_VERSION_3_0() || glloader_GL_EXT_packed_float())
{
gltype = GL_UNSIGNED_INT_10F_11F_11F_REV;
}
else
{
THR(errc::function_not_supported);
}
normalized = GL_FALSE;
break;
case EF_R32F:
case EF_GR32F:
case EF_BGR32F:
case EF_ABGR32F:
gltype = GL_FLOAT;
normalized = GL_FALSE;
break;
default:
THR(errc::function_not_supported);
}
}
