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Add initial support for texture views

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This commit is contained in:
SirLynix
2022-11-30 18:45:07 +01:00
committed by Jérôme Leclercq
parent 902dee6121
commit 42f8cdb151
13 changed files with 239 additions and 78 deletions
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12
include/Nazara/OpenGLRenderer/OpenGLTexture.hpp
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@@ -12,25 +12,31 @@
#include <Nazara/OpenGLRenderer/Wrapper/Context.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/Texture.hpp>
#include <Nazara/Renderer/Texture.hpp>
#include <optional>
namespace Nz
{
class NAZARA_OPENGLRENDERER_API OpenGLTexture : public Texture
{
public:
OpenGLTexture(OpenGLDevice& device, const TextureInfo& params);
OpenGLTexture(OpenGLDevice& device, const TextureInfo& textureInfo);
OpenGLTexture(std::shared_ptr<OpenGLTexture> parentTexture, const TextureViewInfo& viewInfo);
OpenGLTexture(const OpenGLTexture&) = delete;
OpenGLTexture(OpenGLTexture&&) = delete;
~OpenGLTexture() = default;
bool Copy(const Texture& source, const Boxui& srcBox, const Vector3ui& dstPos) override;
std::shared_ptr<Texture> CreateView(const TextureViewInfo& viewInfo) override;
PixelFormat GetFormat() const override;
UInt8 GetLevelCount() const override;
OpenGLTexture* GetParentTexture() const override;
Vector3ui GetSize(UInt8 level = 0) const override;
inline const GL::Texture& GetTexture() const;
ImageType GetType() const override;
inline bool RequireTextureViewEmulation() const;
using Texture::Update;
bool Update(const void* ptr, const Boxui& box, unsigned int srcWidth = 0, unsigned int srcHeight = 0, UInt8 level = 0) override;
@@ -42,8 +48,10 @@ namespace Nz
static inline GL::TextureTarget ToTextureTarget(ImageType imageType);
private:
std::optional<TextureViewInfo> m_viewInfo;
std::shared_ptr<OpenGLTexture> m_parentTexture;
GL::Texture m_texture;
TextureInfo m_params;
TextureInfo m_textureInfo;
};
}

5
include/Nazara/OpenGLRenderer/OpenGLTexture.inl
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@@ -13,6 +13,11 @@ namespace Nz
return m_texture;
}
inline bool OpenGLTexture::RequireTextureViewEmulation() const
{
return m_viewInfo.has_value() && !m_texture.IsValid();
}
inline GL::TextureTarget OpenGLTexture::ToTextureTarget(ImageType imageType)
{
switch (imageType)

3
include/Nazara/OpenGLRenderer/Wrapper/Context.hpp
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@@ -60,8 +60,9 @@ namespace Nz::GL
StorageBuffers,
TextureCompressionS3tc,
TextureFilterAnisotropic,
TextureView,
Max = TextureFilterAnisotropic
Max = TextureView
};
enum class ExtensionStatus

5
include/Nazara/OpenGLRenderer/Wrapper/CoreFunctions.hpp
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@@ -26,6 +26,9 @@ typedef void (GL_APIENTRYP PFNGLPOLYGONMODEPROC) (GLenum face, GLenum mode);
// Depth clamp (OpenGL 3.2)
#define GL_DEPTH_CLAMP 0x864F
// Texture views (OpenGL 4.3)
typedef void (GL_APIENTRYP PFNGLTEXTUREVIEWPROC) (GLuint texture, GLenum target, GLuint origtexture, GLenum internalformat, GLuint minlevel, GLuint numlevels, GLuint minlayer, GLuint numlayers);
// Clip control (OpenGL 4.5)
#define GL_LOWER_LEFT 0x8CA1
#define GL_UPPER_LEFT 0x8CA2
@@ -200,6 +203,8 @@ typedef void (GL_APIENTRYP PFNGLSPECIALIZESHADERPROC) (GLuint shader, const GLch
extCb(glObjectLabel, PFNGLOBJECTLABELPROC) \
extCb(glPopDebugGroup, PFNGLPOPDEBUGGROUPPROC) \
extCb(glPushDebugGroup, PFNGLPUSHDEBUGGROUPPROC) \
/* OpenGL 4.3 - GL_ARB_texture_view */ \
extCb(glTextureView, PFNGLTEXTUREVIEWPROC) \
/* OpenGL 4.5 - GL_ARB_clip_control/GL_EXT_clip_control */ \
extCb(glClipControl, PFNGLCLIPCONTROLPROC) \
/* OpenGL 4.6 - GL_ARB_spirv_extensions */\

1
include/Nazara/OpenGLRenderer/Wrapper/Texture.hpp
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@@ -39,6 +39,7 @@ namespace Nz::GL
inline void TexStorage3D(TextureTarget target, GLint levels, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth);
inline void TexSubImage2D(TextureTarget target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void* data);
inline void TexSubImage3D(TextureTarget target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void* data);
inline void TextureView(GLenum target, GLuint origtexture, GLenum internalformat, GLuint minlevel, GLuint numlevels, GLuint minlayer, GLuint numlayers);
Texture& operator=(const Texture&) = delete;
Texture& operator=(Texture&&) noexcept = default;

6
include/Nazara/OpenGLRenderer/Wrapper/Texture.inl
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@@ -111,6 +111,12 @@ namespace Nz::GL
//< TODO: Handle errors
}
inline void Texture::TextureView(GLenum target, GLuint origtexture, GLenum internalformat, GLuint minlevel, GLuint numlevels, GLuint minlayer, GLuint numlayers)
{
const Context& context = EnsureDeviceContext();
context.glTextureView(m_objectId, target, origtexture, internalformat, minlevel, numlevels, minlayer, numlayers);
}
inline GLuint Texture::CreateHelper(OpenGLDevice& /*device*/, const Context& context)
{
GLuint texture = 0;