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magnum/src/Magnum/Shaders/VectorGL.cpp

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/*
This file is part of Magnum.
Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019,
2020, 2021, 2022, 2023, 2024, 2025
Vladimír Vondruš <mosra@centrum.cz>
Copyright © 2022 Vladislav Oleshko <vladislav.oleshko@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include "VectorGL.h"
#include <Corrade/Containers/EnumSet.hpp>
#include <Corrade/Containers/Iterable.h>
#include <Corrade/Containers/StringView.h>
#include <Corrade/Utility/Resource.h>
#include "Magnum/GL/Context.h"
#include "Magnum/GL/Extensions.h"
#include "Magnum/GL/Shader.h"
#include "Magnum/GL/Texture.h"
#include "Magnum/Math/Color.h"
#include "Magnum/Math/Matrix3.h"
#include "Magnum/Math/Matrix4.h"
#ifndef MAGNUM_TARGET_GLES2
#include <Corrade/Containers/String.h>
#include <Corrade/Utility/Format.h>
#include "Magnum/GL/Buffer.h"
#include "Magnum/GL/TextureArray.h"
#endif
#ifdef MAGNUM_BUILD_STATIC
static void importShaderResources() {
CORRADE_RESOURCE_INITIALIZE(MagnumShaders_RESOURCES_GL)
}
#endif
namespace Magnum { namespace Shaders {
using namespace Containers::Literals;
namespace {
enum: Int { TextureUnit = 6 };
#ifndef MAGNUM_TARGET_GLES2
enum: Int {
/* Not using the zero binding to avoid conflicts with
ProjectionBufferBinding from other shaders which can likely stay
bound to the same buffer for the whole time */
TransformationProjectionBufferBinding = 1,
DrawBufferBinding = 2,
TextureTransformationBufferBinding = 3,
MaterialBufferBinding = 4
};
#endif
}
template<UnsignedInt dimensions> typename VectorGL<dimensions>::CompileState VectorGL<dimensions>::compile(const Configuration& configuration) {
#if !defined(MAGNUM_TARGET_GLES2) && !defined(CORRADE_NO_ASSERT)
#ifndef MAGNUM_TARGET_WEBGL
if(!(configuration.flags() >= Flag::ShaderStorageBuffers))
#endif
{
CORRADE_ASSERT(!(configuration.flags() >= Flag::UniformBuffers) || configuration.materialCount(),
"Shaders::VectorGL: material count can't be zero", CompileState{NoCreate});
CORRADE_ASSERT(!(configuration.flags() >= Flag::UniformBuffers) || configuration.drawCount(),
"Shaders::VectorGL: draw count can't be zero", CompileState{NoCreate});
}
#endif
#ifndef MAGNUM_TARGET_GLES
if(configuration.flags() >= Flag::UniformBuffers)
MAGNUM_ASSERT_GL_EXTENSION_SUPPORTED(GL::Extensions::ARB::uniform_buffer_object);
#endif
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
if(configuration.flags() >= Flag::ShaderStorageBuffers) {
#ifndef MAGNUM_TARGET_GLES
MAGNUM_ASSERT_GL_EXTENSION_SUPPORTED(GL::Extensions::ARB::shader_storage_buffer_object);
#else
MAGNUM_ASSERT_GL_VERSION_SUPPORTED(GL::Version::GLES310);
#endif
}
#endif
#ifndef MAGNUM_TARGET_GLES2
if(configuration.flags() >= Flag::MultiDraw) {
#ifndef MAGNUM_TARGET_GLES
MAGNUM_ASSERT_GL_EXTENSION_SUPPORTED(GL::Extensions::ARB::shader_draw_parameters);
#elif !defined(MAGNUM_TARGET_WEBGL)
MAGNUM_ASSERT_GL_EXTENSION_SUPPORTED(GL::Extensions::ANGLE::multi_draw);
#else
MAGNUM_ASSERT_GL_EXTENSION_SUPPORTED(GL::Extensions::WEBGL::multi_draw);
#endif
}
#endif
#ifndef MAGNUM_TARGET_GLES
if(configuration.flags() >= Flag::TextureArrays)
MAGNUM_ASSERT_GL_EXTENSION_SUPPORTED(GL::Extensions::EXT::texture_array);
#endif
#ifdef MAGNUM_BUILD_STATIC
importShaderResources();
#endif
Utility::Resource rs("MagnumShadersGL"_s);
const GL::Context& context = GL::Context::current();
#ifndef MAGNUM_TARGET_GLES
const GL::Version version = context.supportedVersion({GL::Version::GL320, GL::Version::GL310, GL::Version::GL300, GL::Version::GL210});
#else
const GL::Version version = context.supportedVersion({
#ifndef MAGNUM_TARGET_WEBGL
GL::Version::GLES310,
#endif
GL::Version::GLES300, GL::Version::GLES200});
#endif
GL::Shader vert{version, GL::Shader::Type::Vertex};
vert.addSource(rs.getString("compatibility.glsl"_s))
.addSource(configuration.flags() & Flag::TextureTransformation ? "#define TEXTURE_TRANSFORMATION\n"_s : ""_s)
#ifndef MAGNUM_TARGET_GLES2
.addSource(configuration.flags() & Flag::TextureArrays ? "#define TEXTURE_ARRAYS\n"_s : ""_s)
#endif
.addSource(dimensions == 2 ? "#define TWO_DIMENSIONS\n"_s : "#define THREE_DIMENSIONS\n"_s);
#ifndef MAGNUM_TARGET_GLES2
if(configuration.flags() >= Flag::UniformBuffers) {
#ifndef MAGNUM_TARGET_WEBGL
/* SSBOs have unbounded per-draw arrays so just a plain string can be
passed */
if(configuration.flags() >= Flag::ShaderStorageBuffers) {
vert.addSource(
"#define UNIFORM_BUFFERS\n"
"#define SHADER_STORAGE_BUFFERS\n"_s);
} else
#endif
{
vert.addSource(Utility::format(
"#define UNIFORM_BUFFERS\n"
"#define DRAW_COUNT {}\n",
configuration.drawCount()));
}
vert.addSource(configuration.flags() >= Flag::MultiDraw ? "#define MULTI_DRAW\n"_s : ""_s);
}
#endif
vert.addSource(rs.getString("generic.glsl"_s))
.addSource(rs.getString("Vector.vert"_s))
.submitCompile();
GL::Shader frag{version, GL::Shader::Type::Fragment};
frag.addSource(rs.getString("compatibility.glsl"_s))
#ifndef MAGNUM_TARGET_GLES2
.addSource(configuration.flags() & Flag::TextureArrays ? "#define TEXTURE_ARRAYS\n"_s : ""_s)
#endif
;
#ifndef MAGNUM_TARGET_GLES2
if(configuration.flags() >= Flag::UniformBuffers) {
#ifndef MAGNUM_TARGET_WEBGL
/* SSBOs have unbounded per-draw arrays so just a plain string can be
passed */
if(configuration.flags() >= Flag::ShaderStorageBuffers) {
frag.addSource(
"#define UNIFORM_BUFFERS\n"
"#define SHADER_STORAGE_BUFFERS\n"_s);
} else
#endif
{
frag.addSource(Utility::format(
"#define UNIFORM_BUFFERS\n"
"#define DRAW_COUNT {}\n"
"#define MATERIAL_COUNT {}\n",
configuration.drawCount(),
configuration.materialCount()));
}
frag.addSource(configuration.flags() >= Flag::MultiDraw ? "#define MULTI_DRAW\n"_s : ""_s);
}
#endif
frag.addSource(rs.getString("generic.glsl"_s))
.addSource(rs.getString("Vector.frag"_s))
.submitCompile();
VectorGL out{NoInit};
out._flags = configuration.flags();
#ifndef MAGNUM_TARGET_GLES2
out._materialCount = configuration.materialCount();
out._drawCount = configuration.drawCount();
#endif
out.attachShaders({vert, frag});
/* ES3 has this done in the shader directly */
#if !defined(MAGNUM_TARGET_GLES) || defined(MAGNUM_TARGET_GLES2)
#ifndef MAGNUM_TARGET_GLES
if(!context.isExtensionSupported<GL::Extensions::ARB::explicit_attrib_location>(version))
#endif
{
out.bindAttributeLocation(Position::Location, "position"_s);
out.bindAttributeLocation(TextureCoordinates::Location, "textureCoordinates"_s);
}
#endif
out.submitLink();
return CompileState{Utility::move(out), Utility::move(vert), Utility::move(frag)
#if !defined(MAGNUM_TARGET_GLES) || (!defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL))
, version
#endif
};
}
#ifdef MAGNUM_BUILD_DEPRECATED
template<UnsignedInt dimensions> typename VectorGL<dimensions>::CompileState VectorGL<dimensions>::compile(const Flags flags) {
return compile(Configuration{}
.setFlags(flags));
}
#ifndef MAGNUM_TARGET_GLES2
template<UnsignedInt dimensions> typename VectorGL<dimensions>::CompileState VectorGL<dimensions>::compile(const Flags flags, const UnsignedInt materialCount, const UnsignedInt drawCount) {
return compile(Configuration{}
.setFlags(flags)
.setMaterialCount(materialCount)
.setDrawCount(drawCount));
}
#endif
#endif
template<UnsignedInt dimensions> VectorGL<dimensions>::VectorGL(CompileState&& state): VectorGL{static_cast<VectorGL&&>(Utility::move(state))} {
#ifdef CORRADE_GRACEFUL_ASSERT
/* When graceful assertions fire from within compile(), we get a NoCreate'd
CompileState. Exiting makes it possible to test the assert. */
if(!id()) return;
#endif
CORRADE_INTERNAL_ASSERT_OUTPUT(checkLink({GL::Shader(state._vert), GL::Shader(state._frag)}));
#ifndef MAGNUM_TARGET_GLES
const GL::Context& context = GL::Context::current();
if(!context.isExtensionSupported<GL::Extensions::ARB::explicit_uniform_location>(state._version))
#elif !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
if(state._version < GL::Version::GLES310)
#endif
{
#ifndef MAGNUM_TARGET_GLES2
if(_flags >= Flag::UniformBuffers) {
if(_drawCount > 1
#ifndef MAGNUM_TARGET_WEBGL
|| flags() >= Flag::ShaderStorageBuffers
#endif
) _drawOffsetUniform = uniformLocation("drawOffset"_s);
} else
#endif
{
_transformationProjectionMatrixUniform = uniformLocation("transformationProjectionMatrix"_s);
if(_flags & Flag::TextureTransformation)
_textureMatrixUniform = uniformLocation("textureMatrix"_s);
#ifndef MAGNUM_TARGET_GLES2
if(_flags & Flag::TextureArrays)
_textureLayerUniform = uniformLocation("textureLayer"_s);
#endif
_backgroundColorUniform = uniformLocation("backgroundColor"_s);
_colorUniform = uniformLocation("color"_s);
}
}
#ifndef MAGNUM_TARGET_GLES
if(!context.isExtensionSupported<GL::Extensions::ARB::shading_language_420pack>(state._version))
#elif !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
if(state._version < GL::Version::GLES310)
#endif
{
setUniform(uniformLocation("vectorTexture"_s), TextureUnit);
#ifndef MAGNUM_TARGET_GLES2
/* SSBOs have bindings defined in the source always */
if(_flags >= Flag::UniformBuffers
#ifndef MAGNUM_TARGET_WEBGL
&& !(_flags >= Flag::ShaderStorageBuffers)
#endif
) {
setUniformBlockBinding(uniformBlockIndex("TransformationProjection"_s), TransformationProjectionBufferBinding);
setUniformBlockBinding(uniformBlockIndex("Draw"_s), DrawBufferBinding);
if(_flags & Flag::TextureTransformation)
setUniformBlockBinding(uniformBlockIndex("TextureTransformation"_s), TextureTransformationBufferBinding);
setUniformBlockBinding(uniformBlockIndex("Material"_s), MaterialBufferBinding);
}
#endif
}
/* Set defaults in OpenGL ES (for desktop they are set in shader code itself) */
#ifdef MAGNUM_TARGET_GLES
#ifndef MAGNUM_TARGET_GLES2
if(_flags >= Flag::UniformBuffers) {
/* Draw offset is zero by default */
} else
#endif
{
setTransformationProjectionMatrix(MatrixTypeFor<dimensions, Float>{Math::IdentityInit});
if(_flags & Flag::TextureTransformation)
setTextureMatrix(Matrix3{Math::IdentityInit});
/* Texture layer is zero by default */
/* Background color is zero by default */
setColor(Color4{1.0f});
}
#endif
}
template<UnsignedInt dimensions> VectorGL<dimensions>::VectorGL(const Configuration& configuration): VectorGL{compile(configuration)} {}
#ifdef MAGNUM_BUILD_DEPRECATED
template<UnsignedInt dimensions> VectorGL<dimensions>::VectorGL(const Flags flags): VectorGL{compile(Configuration{}
.setFlags(flags))} {}
#ifndef MAGNUM_TARGET_GLES2
template<UnsignedInt dimensions> VectorGL<dimensions>::VectorGL(const Flags flags, const UnsignedInt materialCount, const UnsignedInt drawCount): VectorGL{compile(Configuration{}
.setFlags(flags)
.setMaterialCount(materialCount)
.setDrawCount(drawCount))} {}
#endif
#endif
template<UnsignedInt dimensions> VectorGL<dimensions>::VectorGL(NoInitT) {}
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::setTransformationProjectionMatrix(const MatrixTypeFor<dimensions, Float>& matrix) {
#ifndef MAGNUM_TARGET_GLES2
CORRADE_ASSERT(!(_flags >= Flag::UniformBuffers),
"Shaders::VectorGL::setTransformationProjectionMatrix(): the shader was created with uniform buffers enabled", *this);
#endif
setUniform(_transformationProjectionMatrixUniform, matrix);
return *this;
}
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::setTextureMatrix(const Matrix3& matrix) {
#ifndef MAGNUM_TARGET_GLES2
CORRADE_ASSERT(!(_flags >= Flag::UniformBuffers),
"Shaders::VectorGL::setTextureMatrix(): the shader was created with uniform buffers enabled", *this);
#endif
CORRADE_ASSERT(_flags & Flag::TextureTransformation,
"Shaders::VectorGL::setTextureMatrix(): the shader was not created with texture transformation enabled", *this);
setUniform(_textureMatrixUniform, matrix);
return *this;
}
#ifndef MAGNUM_TARGET_GLES2
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::setTextureLayer(UnsignedInt id) {
CORRADE_ASSERT(!(_flags >= Flag::UniformBuffers),
"Shaders::VectorGL::setTextureLayer(): the shader was created with uniform buffers enabled", *this);
CORRADE_ASSERT(_flags & Flag::TextureArrays,
"Shaders::VectorGL::setTextureLayer(): the shader was not created with texture arrays enabled", *this);
setUniform(_textureLayerUniform, id);
return *this;
}
#endif
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::setBackgroundColor(const Color4& color) {
#ifndef MAGNUM_TARGET_GLES2
CORRADE_ASSERT(!(_flags >= Flag::UniformBuffers),
"Shaders::VectorGL::setBackgroundColor(): the shader was created with uniform buffers enabled", *this);
#endif
setUniform(_backgroundColorUniform, color);
return *this;
}
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::setColor(const Color4& color) {
#ifndef MAGNUM_TARGET_GLES2
CORRADE_ASSERT(!(_flags >= Flag::UniformBuffers),
"Shaders::VectorGL::setColor(): the shader was created with uniform buffers enabled", *this);
#endif
setUniform(_colorUniform, color);
return *this;
}
#ifndef MAGNUM_TARGET_GLES2
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::setDrawOffset(const UnsignedInt offset) {
CORRADE_ASSERT(_flags >= Flag::UniformBuffers,
"Shaders::VectorGL::setDrawOffset(): the shader was not created with uniform buffers enabled", *this);
#ifndef MAGNUM_TARGET_WEBGL
CORRADE_ASSERT(_flags >= Flag::ShaderStorageBuffers || offset < _drawCount,
"Shaders::VectorGL::setDrawOffset(): draw offset" << offset << "is out of range for" << _drawCount << "draws", *this);
#else
CORRADE_ASSERT(offset < _drawCount,
"Shaders::VectorGL::setDrawOffset(): draw offset" << offset << "is out of range for" << _drawCount << "draws", *this);
#endif
if(_drawCount > 1
#ifndef MAGNUM_TARGET_WEBGL
|| _flags >= Flag::ShaderStorageBuffers
#endif
) setUniform(_drawOffsetUniform, offset);
return *this;
}
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::bindTransformationProjectionBuffer(GL::Buffer& buffer) {
CORRADE_ASSERT(_flags >= Flag::UniformBuffers,
"Shaders::VectorGL::bindTransformationProjectionBuffer(): the shader was not created with uniform buffers enabled", *this);
buffer.bind(
#ifndef MAGNUM_TARGET_WEBGL
_flags >= Flag::ShaderStorageBuffers ? GL::Buffer::Target::ShaderStorage :
#endif
GL::Buffer::Target::Uniform, TransformationProjectionBufferBinding);
return *this;
}
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::bindTransformationProjectionBuffer(GL::Buffer& buffer, const GLintptr offset, const GLsizeiptr size) {
CORRADE_ASSERT(_flags >= Flag::UniformBuffers,
"Shaders::VectorGL::bindTransformationProjectionBuffer(): the shader was not created with uniform buffers enabled", *this);
buffer.bind(
#ifndef MAGNUM_TARGET_WEBGL
_flags >= Flag::ShaderStorageBuffers ? GL::Buffer::Target::ShaderStorage :
#endif
GL::Buffer::Target::Uniform, TransformationProjectionBufferBinding, offset, size);
return *this;
}
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::bindDrawBuffer(GL::Buffer& buffer) {
CORRADE_ASSERT(_flags >= Flag::UniformBuffers,
"Shaders::VectorGL::bindDrawBuffer(): the shader was not created with uniform buffers enabled", *this);
buffer.bind(
#ifndef MAGNUM_TARGET_WEBGL
_flags >= Flag::ShaderStorageBuffers ? GL::Buffer::Target::ShaderStorage :
#endif
GL::Buffer::Target::Uniform, DrawBufferBinding);
return *this;
}
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::bindDrawBuffer(GL::Buffer& buffer, const GLintptr offset, const GLsizeiptr size) {
CORRADE_ASSERT(_flags >= Flag::UniformBuffers,
"Shaders::VectorGL::bindDrawBuffer(): the shader was not created with uniform buffers enabled", *this);
buffer.bind(
#ifndef MAGNUM_TARGET_WEBGL
_flags >= Flag::ShaderStorageBuffers ? GL::Buffer::Target::ShaderStorage :
#endif
GL::Buffer::Target::Uniform, DrawBufferBinding, offset, size);
return *this;
}
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::bindTextureTransformationBuffer(GL::Buffer& buffer) {
CORRADE_ASSERT(_flags >= Flag::UniformBuffers,
"Shaders::VectorGL::bindTextureTransformationBuffer(): the shader was not created with uniform buffers enabled", *this);
CORRADE_ASSERT(_flags & Flag::TextureTransformation,
"Shaders::VectorGL::bindTextureTransformationBuffer(): the shader was not created with texture transformation enabled", *this);
buffer.bind(
#ifndef MAGNUM_TARGET_WEBGL
_flags >= Flag::ShaderStorageBuffers ? GL::Buffer::Target::ShaderStorage :
#endif
GL::Buffer::Target::Uniform, TextureTransformationBufferBinding);
return *this;
}
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::bindTextureTransformationBuffer(GL::Buffer& buffer, const GLintptr offset, const GLsizeiptr size) {
CORRADE_ASSERT(_flags >= Flag::UniformBuffers,
"Shaders::VectorGL::bindTextureTransformationBuffer(): the shader was not created with uniform buffers enabled", *this);
CORRADE_ASSERT(_flags & Flag::TextureTransformation,
"Shaders::VectorGL::bindTextureTransformationBuffer(): the shader was not created with texture transformation enabled", *this);
buffer.bind(
#ifndef MAGNUM_TARGET_WEBGL
_flags >= Flag::ShaderStorageBuffers ? GL::Buffer::Target::ShaderStorage :
#endif
GL::Buffer::Target::Uniform, TextureTransformationBufferBinding, offset, size);
return *this;
}
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::bindMaterialBuffer(GL::Buffer& buffer) {
CORRADE_ASSERT(_flags >= Flag::UniformBuffers,
"Shaders::VectorGL::bindMaterialBuffer(): the shader was not created with uniform buffers enabled", *this);
buffer.bind(
#ifndef MAGNUM_TARGET_WEBGL
_flags >= Flag::ShaderStorageBuffers ? GL::Buffer::Target::ShaderStorage :
#endif
GL::Buffer::Target::Uniform, MaterialBufferBinding);
return *this;
}
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::bindMaterialBuffer(GL::Buffer& buffer, const GLintptr offset, const GLsizeiptr size) {
CORRADE_ASSERT(_flags >= Flag::UniformBuffers,
"Shaders::VectorGL::bindMaterialBuffer(): the shader was not created with uniform buffers enabled", *this);
buffer.bind(
#ifndef MAGNUM_TARGET_WEBGL
_flags >= Flag::ShaderStorageBuffers ? GL::Buffer::Target::ShaderStorage :
#endif
GL::Buffer::Target::Uniform, MaterialBufferBinding, offset, size);
return *this;
}
#endif
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::bindVectorTexture(GL::Texture2D& texture) {
#ifndef MAGNUM_TARGET_GLES2
CORRADE_ASSERT(!(_flags & Flag::TextureArrays),
"Shaders::VectorGL::bindVectorTexture(): the shader was created with texture arrays enabled, use a Texture2DArray instead", *this);
#endif
texture.bind(TextureUnit);
return *this;
}
#ifndef MAGNUM_TARGET_GLES2
template<UnsignedInt dimensions> VectorGL<dimensions>& VectorGL<dimensions>::bindVectorTexture(GL::Texture2DArray& texture) {
#ifndef MAGNUM_TARGET_GLES2
CORRADE_ASSERT(_flags & Flag::TextureArrays,
"Shaders::VectorGL::bindVectorTexture(): the shader was not created with texture arrays enabled, use a Texture2D instead", *this);
#endif
texture.bind(TextureUnit);
return *this;
}
#endif
template class MAGNUM_SHADERS_EXPORT VectorGL<2>;
template class MAGNUM_SHADERS_EXPORT VectorGL<3>;
namespace Implementation {
Debug& operator<<(Debug& debug, const VectorGLFlag value) {
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
/* Special case coming from the Flags printer. As both flags are a superset
of UniformBuffers, printing just one would result in
`Flag::MultiDraw|Flag(0x8)` in the output. */
if(value == VectorGLFlag(UnsignedByte(VectorGLFlag::MultiDraw|VectorGLFlag::ShaderStorageBuffers)))
return debug << VectorGLFlag::MultiDraw << Debug::nospace << "|" << Debug::nospace << VectorGLFlag::ShaderStorageBuffers;
#endif
debug << "Shaders::VectorGL::Flag" << Debug::nospace;
switch(value) {
/* LCOV_EXCL_START */
#define _c(v) case VectorGLFlag::v: return debug << "::" #v;
_c(TextureTransformation)
#ifndef MAGNUM_TARGET_GLES2
_c(UniformBuffers)
#ifndef MAGNUM_TARGET_WEBGL
_c(ShaderStorageBuffers)
#endif
_c(MultiDraw)
_c(TextureArrays)
#endif
#undef _c
/* LCOV_EXCL_STOP */
}
return debug << "(" << Debug::nospace << Debug::hex << UnsignedByte(value) << Debug::nospace << ")";
}
Debug& operator<<(Debug& debug, const VectorGLFlags value) {
return Containers::enumSetDebugOutput(debug, value, "Shaders::VectorGL::Flags{}", {
VectorGLFlag::TextureTransformation,
#ifndef MAGNUM_TARGET_GLES2
#ifndef MAGNUM_TARGET_WEBGL
/* Both are a superset of UniformBuffers, meaning printing just one
would result in `Flag::MultiDraw|Flag(0x8)` in the output. So we
pass both and let the Flag printer deal with that. */
VectorGLFlag(UnsignedByte(VectorGLFlag::MultiDraw|VectorGLFlag::ShaderStorageBuffers)),
#endif
VectorGLFlag::MultiDraw, /* Superset of UniformBuffers */
#ifndef MAGNUM_TARGET_WEBGL
VectorGLFlag::ShaderStorageBuffers, /* Superset of UniformBuffers */
#endif
VectorGLFlag::UniformBuffers,
VectorGLFlag::TextureArrays
#endif
});
}
}
}}