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Review texture storage implementations and add fallback mode
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51 changes: 51 additions & 0 deletions
51
source/globjects/source/implementations/AbstractTextureStorageImplementation.cpp
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,51 @@ | ||
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| #include "AbstractTextureStorageImplementation.h" | ||
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| #include <glbinding/gl/enum.h> | ||
| #include <glbinding/gl/extension.h> | ||
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| #include <globjects/globjects.h> | ||
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| #include "TextureStorageImplementation_DirectStateAccessARB.h" | ||
| #include "TextureStorageImplementation_DirectStateAccessEXT.h" | ||
| #include "TextureStorageImplementation_Legacy.h" | ||
| #include "TextureStorageImplementation_Fallback.h" | ||
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| using namespace gl; | ||
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| namespace globjects | ||
| { | ||
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| AbstractTextureStorageImplementation::AbstractTextureStorageImplementation() | ||
| { | ||
| } | ||
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| AbstractTextureStorageImplementation::~AbstractTextureStorageImplementation() | ||
| { | ||
| } | ||
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| AbstractTextureStorageImplementation * AbstractTextureStorageImplementation::get(const Texture::StorageImplementation impl) | ||
| { | ||
| if (!hasExtension(GLextension::GL_ARB_texture_storage)) | ||
| { | ||
| return TextureStorageImplementation_Fallback::instance(); | ||
| } | ||
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| if (impl == Texture::StorageImplementation::DirectStateAccessARB | ||
| && hasExtension(GLextension::GL_ARB_direct_state_access)) | ||
| { | ||
| return TextureStorageImplementation_DirectStateAccessARB::instance(); | ||
| } | ||
| else if (impl >= Texture::StorageImplementation::DirectStateAccessEXT | ||
| && hasExtension(GLextension::GL_EXT_direct_state_access)) | ||
| { | ||
| return TextureStorageImplementation_DirectStateAccessEXT::instance(); | ||
| } | ||
| else | ||
| { | ||
| return TextureStorageImplementation_Legacy::instance(); | ||
| } | ||
| } | ||
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| } // namespace globjects |
26 changes: 26 additions & 0 deletions
26
source/globjects/source/implementations/AbstractTextureStorageImplementation.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| #pragma once | ||
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| #include <glbinding/gl/types.h> | ||
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| #include <globjects/Texture.h> | ||
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| namespace globjects | ||
| { | ||
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| class AbstractTextureStorageImplementation | ||
| { | ||
| public: | ||
| AbstractTextureStorageImplementation(); | ||
| virtual ~AbstractTextureStorageImplementation(); | ||
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| static AbstractTextureStorageImplementation * get(Texture::StorageImplementation impl = | ||
| Texture::StorageImplementation::DirectStateAccessARB); | ||
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| virtual void storage1D(const Texture * texture, gl::GLsizei levels, gl::GLenum internalFormat, gl::GLsizei width) const = 0; | ||
| virtual void storage2D(const Texture * texture, gl::GLsizei levels, gl::GLenum internalFormat, gl::GLsizei width, gl::GLsizei height) const = 0; | ||
| virtual void storage3D(const Texture * texture, gl::GLsizei levels, gl::GLenum internalFormat, gl::GLsizei width, gl::GLsizei height, gl::GLsizei depth) const = 0; | ||
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| virtual void cubeMapStorage(const Texture * texture, gl::GLint levels, gl::GLenum internalFormat, gl::GLsizei width, gl::GLsizei height) const = 0; | ||
| }; | ||
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| } // namespace globjects |
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