2a8ebc4906
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
#pragma once
|
|
|
|
#include <mln/gfx/texture2d.hpp>
|
|
#include <mln/gl/object.hpp>
|
|
#include <mln/platform/gl_functions.hpp>
|
|
#include <mln/util/image.hpp>
|
|
|
|
#include <memory>
|
|
|
|
namespace mln {
|
|
|
|
namespace gl {
|
|
|
|
class Context;
|
|
|
|
class Texture2D : public gfx::Texture2D {
|
|
public:
|
|
Texture2D(gl::Context& context_);
|
|
~Texture2D() override;
|
|
|
|
public: // gfx::Texture2D
|
|
Texture2D& setSamplerConfiguration(const SamplerState& samplerState) noexcept override;
|
|
|
|
Texture2D& setFormat(gfx::TexturePixelType pixelFormat, gfx::TextureChannelDataType channelType) noexcept override;
|
|
|
|
Texture2D& setSize(Size size_) noexcept override;
|
|
|
|
Texture2D& setImage(std::shared_ptr<PremultipliedImage> image_) noexcept override;
|
|
|
|
gfx::TexturePixelType getFormat() const noexcept override { return pixelFormat; }
|
|
|
|
Size getSize() const noexcept override { return size; }
|
|
|
|
size_t getDataSize() const noexcept override;
|
|
|
|
size_t getPixelStride() const noexcept override;
|
|
|
|
size_t numChannels() const noexcept override;
|
|
|
|
void create() override;
|
|
|
|
void upload(const void* pixelData, const Size& size_) override;
|
|
void uploadSubRegion(const void* pixelData, const Size& size, uint16_t xOffset, uint16_t yOffset) noexcept override;
|
|
void upload() override;
|
|
|
|
bool needsUpload() const noexcept override { return !!image; };
|
|
|
|
public:
|
|
/// @brief Get the OpenGL handle ID for the underlying resource
|
|
/// @return GLuint
|
|
platform::GLuint getTextureID() const noexcept;
|
|
|
|
void updateSamplerConfiguration() noexcept;
|
|
|
|
/// @brief Bind this texture to the specified texture unit
|
|
/// @param location Location index of texture sampler in a shader
|
|
/// @param textureUnit Unit to bind to. A maximum of gl::MaxActiveTextureUnits
|
|
/// texture units are available for binding.
|
|
void bind(int32_t location, int32_t textureUnit) noexcept;
|
|
|
|
/// @brief Unbind the texture, if it was bound
|
|
void unbind() noexcept;
|
|
|
|
private:
|
|
void allocateTexture();
|
|
void updateTextureData(const void* data = nullptr) noexcept;
|
|
|
|
private:
|
|
gl::Context& context;
|
|
std::unique_ptr<UniqueTexture> texture;
|
|
|
|
SamplerState samplerState{};
|
|
gfx::TexturePixelType pixelFormat{gfx::TexturePixelType::RGBA};
|
|
gfx::TextureChannelDataType channelType{gfx::TextureChannelDataType::UnsignedByte};
|
|
|
|
std::shared_ptr<PremultipliedImage> image{nullptr};
|
|
Size size{0, 0};
|
|
bool samplerStateDirty{false};
|
|
bool storageDirty{false};
|
|
|
|
int32_t boundTextureUnit{-1};
|
|
int32_t boundLocation{-1};
|
|
};
|
|
|
|
} // namespace gl
|
|
} // namespace mln
|