| 1 | /* |
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| 2 | * Copyright 2023 Google LLC |
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| 3 | * |
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| 4 | * Use of this source code is governed by a BSD-style license that can be |
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| 5 | * found in the LICENSE file. |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef GrGLBackendSurface_DEFINED |
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| 9 | #define GrGLBackendSurface_DEFINED |
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| 10 | |
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| 11 | #include "include/gpu/gl/GrGLTypes.h" |
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| 12 | #include "include/private/base/SkAPI.h" |
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| 13 | |
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| 14 | #include <string_view> |
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| 15 | |
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| 16 | class GrBackendFormat; |
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| 17 | class GrBackendTexture; |
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| 18 | class GrBackendRenderTarget; |
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| 19 | |
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| 20 | namespace skgpu { enum class Mipmapped : bool; } |
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| 21 | |
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| 22 | namespace GrBackendFormats { |
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| 23 | SK_API GrBackendFormat MakeGL(GrGLenum format, GrGLenum target); |
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| 24 | |
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| 25 | SK_API GrGLFormat AsGLFormat(const GrBackendFormat&); |
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| 26 | SK_API GrGLenum AsGLFormatEnum(const GrBackendFormat&); |
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| 27 | } // namespace GrBackendFormats |
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| 28 | |
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| 29 | namespace GrBackendTextures { |
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| 30 | // The GrGLTextureInfo must have a valid fFormat. |
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| 31 | SK_API GrBackendTexture MakeGL(int width, |
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| 32 | int height, |
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| 33 | skgpu::Mipmapped, |
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| 34 | const GrGLTextureInfo& glInfo, |
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| 35 | std::string_view label = {}); |
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| 36 | |
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| 37 | // If the backend API is GL, copies a snapshot of the GrGLTextureInfo struct into the passed in |
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| 38 | // pointer and returns true. Otherwise returns false if the backend API is not GL. |
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| 39 | SK_API bool GetGLTextureInfo(const GrBackendTexture&, GrGLTextureInfo*); |
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| 40 | |
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| 41 | // Call this to indicate that the texture parameters have been modified in the GL context |
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| 42 | // externally to GrContext. |
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| 43 | SK_API void GLTextureParametersModified(GrBackendTexture*); |
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| 44 | } // namespace GrBackendTextures |
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| 45 | |
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| 46 | namespace GrBackendRenderTargets { |
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| 47 | // The GrGLTextureInfo must have a valid fFormat. If wrapping in an SkSurface we require the |
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| 48 | // stencil bits to be either 0, 8 or 16. |
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| 49 | SK_API GrBackendRenderTarget MakeGL(int width, |
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| 50 | int height, |
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| 51 | int sampleCnt, |
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| 52 | int stencilBits, |
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| 53 | const GrGLFramebufferInfo& glInfo); |
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| 54 | |
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| 55 | SK_API bool GetGLFramebufferInfo(const GrBackendRenderTarget&, GrGLFramebufferInfo*); |
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| 56 | } // namespace GrBackendRenderTargets |
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| 57 | |
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| 58 | #endif |
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| 59 | |
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