mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 19:32:45 +00:00
ea2f88a483
We already support this in all other logic and in LibSoftGPU, I just forgot to add this constant to this list.
297 lines
12 KiB
C++
297 lines
12 KiB
C++
/*
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* Copyright (c) 2022-2023, Jelle Raaijmakers <jelle@gmta.nl>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGL/Image.h>
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namespace GL {
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ErrorOr<GPU::PixelType> get_validated_pixel_type(GLenum target, GLenum internal_format, GLenum format, GLenum type)
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{
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// We accept GL_NONE as target for non-texture related calls (such as `glDrawPixels`)
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if (target != GL_NONE
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&& target != GL_TEXTURE_1D
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&& target != GL_TEXTURE_2D
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&& target != GL_TEXTURE_3D
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&& target != GL_TEXTURE_1D_ARRAY
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&& target != GL_TEXTURE_2D_ARRAY
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&& target != GL_TEXTURE_CUBE_MAP
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&& target != GL_PROXY_TEXTURE_1D
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&& target != GL_PROXY_TEXTURE_2D
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&& target != GL_PROXY_TEXTURE_3D)
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return Error::from_errno(GL_INVALID_ENUM);
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// Internal format can be a number between 1 and 4. Symbolic formats were only added with EXT_texture, promoted to core in OpenGL 1.1
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if (internal_format == 1)
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internal_format = GL_ALPHA;
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else if (internal_format == 2)
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internal_format = GL_LUMINANCE_ALPHA;
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else if (internal_format == 3)
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internal_format = GL_RGB;
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else if (internal_format == 4)
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internal_format = GL_RGBA;
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if (internal_format != GL_NONE
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&& internal_format != GL_ALPHA
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&& internal_format != GL_ALPHA4
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&& internal_format != GL_ALPHA8
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&& internal_format != GL_ALPHA12
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&& internal_format != GL_ALPHA16
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&& internal_format != GL_COMPRESSED_ALPHA
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&& internal_format != GL_COMPRESSED_LUMINANCE
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&& internal_format != GL_COMPRESSED_LUMINANCE_ALPHA
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&& internal_format != GL_COMPRESSED_INTENSITY
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&& internal_format != GL_COMPRESSED_RGB
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&& internal_format != GL_COMPRESSED_RGBA
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&& internal_format != GL_DEPTH_COMPONENT
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&& internal_format != GL_DEPTH_COMPONENT16
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&& internal_format != GL_DEPTH_COMPONENT24
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&& internal_format != GL_DEPTH_COMPONENT32
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&& internal_format != GL_DEPTH_STENCIL
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&& internal_format != GL_LUMINANCE
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&& internal_format != GL_LUMINANCE4
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&& internal_format != GL_LUMINANCE8
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&& internal_format != GL_LUMINANCE12
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&& internal_format != GL_LUMINANCE16
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&& internal_format != GL_LUMINANCE_ALPHA
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&& internal_format != GL_LUMINANCE4_ALPHA4
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&& internal_format != GL_LUMINANCE6_ALPHA2
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&& internal_format != GL_LUMINANCE8_ALPHA8
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&& internal_format != GL_LUMINANCE12_ALPHA4
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&& internal_format != GL_LUMINANCE12_ALPHA12
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&& internal_format != GL_LUMINANCE16_ALPHA16
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&& internal_format != GL_INTENSITY
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&& internal_format != GL_INTENSITY4
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&& internal_format != GL_INTENSITY8
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&& internal_format != GL_INTENSITY12
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&& internal_format != GL_INTENSITY16
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&& internal_format != GL_R3_G3_B2
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&& internal_format != GL_RED
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&& internal_format != GL_RG
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&& internal_format != GL_RGB
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&& internal_format != GL_RGB4
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&& internal_format != GL_RGB5
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&& internal_format != GL_RGB8
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&& internal_format != GL_RGB10
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&& internal_format != GL_RGB12
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&& internal_format != GL_RGB16
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&& internal_format != GL_RGBA
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&& internal_format != GL_RGBA2
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&& internal_format != GL_RGBA4
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&& internal_format != GL_RGB5_A1
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&& internal_format != GL_RGBA8
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&& internal_format != GL_RGB10_A2
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&& internal_format != GL_RGBA12
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&& internal_format != GL_RGBA16
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&& internal_format != GL_SLUMINANCE
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&& internal_format != GL_SLUMINANCE8
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&& internal_format != GL_SLUMINANCE_ALPHA
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&& internal_format != GL_SLUMINANCE8_ALPHA8
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&& internal_format != GL_SRGB
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&& internal_format != GL_SRGB8
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&& internal_format != GL_SRGB_ALPHA
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&& internal_format != GL_SRGB8_ALPHA8)
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return Error::from_errno(GL_INVALID_ENUM);
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if (format != GL_NONE
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&& (format < GL_COLOR_INDEX || format > GL_LUMINANCE_ALPHA)
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&& format != GL_BGR
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&& format != GL_BGRA)
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return Error::from_errno(GL_INVALID_ENUM);
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if (type != GL_NONE
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&& type != GL_BITMAP
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&& (type < GL_BYTE || type > GL_FLOAT)
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&& type != GL_HALF_FLOAT
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&& (type < GL_UNSIGNED_BYTE_3_3_2 || type > GL_UNSIGNED_INT_10_10_10_2)
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&& (type < GL_UNSIGNED_BYTE_2_3_3_REV || type > GL_UNSIGNED_INT_2_10_10_10_REV))
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return Error::from_errno(GL_INVALID_ENUM);
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if (type == GL_BITMAP && format != GL_COLOR_INDEX && format != GL_STENCIL_INDEX)
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return Error::from_errno(GL_INVALID_ENUM);
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if (format != GL_RGB && (type == GL_UNSIGNED_BYTE_3_3_2 || type == GL_UNSIGNED_BYTE_2_3_3_REV || type == GL_UNSIGNED_SHORT_5_6_5 || type == GL_UNSIGNED_SHORT_5_6_5_REV))
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return Error::from_errno(GL_INVALID_OPERATION);
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if ((type == GL_UNSIGNED_SHORT_4_4_4_4
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|| type == GL_UNSIGNED_SHORT_4_4_4_4_REV
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|| type == GL_UNSIGNED_SHORT_5_5_5_1
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|| type == GL_UNSIGNED_SHORT_1_5_5_5_REV
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|| type == GL_UNSIGNED_INT_8_8_8_8
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|| type == GL_UNSIGNED_INT_8_8_8_8_REV
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|| type == GL_UNSIGNED_INT_10_10_10_2
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|| type == GL_UNSIGNED_INT_2_10_10_10_REV)
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&& format != GL_RGBA
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&& format != GL_BGRA)
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return Error::from_errno(GL_INVALID_OPERATION);
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if (internal_format != GL_NONE) {
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auto const internal_format_is_depth = internal_format == GL_DEPTH_COMPONENT
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|| internal_format == GL_DEPTH_COMPONENT16
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|| internal_format == GL_DEPTH_COMPONENT24
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|| internal_format == GL_DEPTH_COMPONENT32;
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if ((target != GL_TEXTURE_2D && target != GL_PROXY_TEXTURE_2D && internal_format_is_depth)
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|| (format == GL_DEPTH_COMPONENT && !internal_format_is_depth)
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|| (format != GL_DEPTH_COMPONENT && internal_format_is_depth))
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return Error::from_errno(GL_INVALID_OPERATION);
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}
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return get_format_specification(format, type);
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}
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GPU::PixelType get_format_specification(GLenum format, GLenum type)
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{
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auto get_format = [](GLenum format) -> GPU::PixelFormat {
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switch (format) {
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case GL_ALPHA:
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return GPU::PixelFormat::Alpha;
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case GL_BGR:
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return GPU::PixelFormat::BGR;
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case GL_BGRA:
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return GPU::PixelFormat::BGRA;
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case GL_BLUE:
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return GPU::PixelFormat::Blue;
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case GL_COLOR_INDEX:
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return GPU::PixelFormat::ColorIndex;
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case GL_DEPTH_COMPONENT:
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return GPU::PixelFormat::DepthComponent;
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case GL_GREEN:
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return GPU::PixelFormat::Green;
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case GL_LUMINANCE:
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return GPU::PixelFormat::Luminance;
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case GL_LUMINANCE_ALPHA:
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return GPU::PixelFormat::LuminanceAlpha;
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case GL_RED:
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return GPU::PixelFormat::Red;
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case GL_RGB:
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return GPU::PixelFormat::RGB;
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case GL_RGBA:
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return GPU::PixelFormat::RGBA;
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case GL_STENCIL_INDEX:
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return GPU::PixelFormat::StencilIndex;
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}
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VERIFY_NOT_REACHED();
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};
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auto pixel_format = get_format(format);
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switch (type) {
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case GL_BITMAP:
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return { pixel_format, GPU::PixelComponentBits::AllBits, GPU::PixelDataType::Bitmap, GPU::ComponentsOrder::Normal };
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case GL_BYTE:
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return { pixel_format, GPU::PixelComponentBits::AllBits, GPU::PixelDataType::Byte, GPU::ComponentsOrder::Normal };
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case GL_FLOAT:
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return { pixel_format, GPU::PixelComponentBits::AllBits, GPU::PixelDataType::Float, GPU::ComponentsOrder::Normal };
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case GL_HALF_FLOAT:
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return { pixel_format, GPU::PixelComponentBits::AllBits, GPU::PixelDataType::HalfFloat, GPU::ComponentsOrder::Normal };
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case GL_INT:
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return { pixel_format, GPU::PixelComponentBits::AllBits, GPU::PixelDataType::Int, GPU::ComponentsOrder::Normal };
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case GL_SHORT:
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return { pixel_format, GPU::PixelComponentBits::AllBits, GPU::PixelDataType::Short, GPU::ComponentsOrder::Normal };
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case GL_UNSIGNED_BYTE:
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return { pixel_format, GPU::PixelComponentBits::AllBits, GPU::PixelDataType::UnsignedByte, GPU::ComponentsOrder::Normal };
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case GL_UNSIGNED_BYTE_2_3_3_REV:
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return { pixel_format, GPU::PixelComponentBits::B2_3_3, GPU::PixelDataType::UnsignedByte, GPU::ComponentsOrder::Reversed };
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case GL_UNSIGNED_BYTE_3_3_2:
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return { pixel_format, GPU::PixelComponentBits::B3_3_2, GPU::PixelDataType::UnsignedByte, GPU::ComponentsOrder::Normal };
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case GL_UNSIGNED_INT:
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return { pixel_format, GPU::PixelComponentBits::AllBits, GPU::PixelDataType::UnsignedInt, GPU::ComponentsOrder::Normal };
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case GL_UNSIGNED_INT_2_10_10_10_REV:
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return { pixel_format, GPU::PixelComponentBits::B2_10_10_10, GPU::PixelDataType::UnsignedInt, GPU::ComponentsOrder::Reversed };
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case GL_UNSIGNED_INT_8_8_8_8:
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return { pixel_format, GPU::PixelComponentBits::B8_8_8_8, GPU::PixelDataType::UnsignedInt, GPU::ComponentsOrder::Normal };
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case GL_UNSIGNED_INT_8_8_8_8_REV:
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return { pixel_format, GPU::PixelComponentBits::B8_8_8_8, GPU::PixelDataType::UnsignedInt, GPU::ComponentsOrder::Reversed };
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case GL_UNSIGNED_INT_10_10_10_2:
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return { pixel_format, GPU::PixelComponentBits::B10_10_10_2, GPU::PixelDataType::UnsignedInt, GPU::ComponentsOrder::Normal };
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case GL_UNSIGNED_SHORT:
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return { pixel_format, GPU::PixelComponentBits::AllBits, GPU::PixelDataType::UnsignedShort, GPU::ComponentsOrder::Normal };
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case GL_UNSIGNED_SHORT_1_5_5_5_REV:
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return { pixel_format, GPU::PixelComponentBits::B1_5_5_5, GPU::PixelDataType::UnsignedShort, GPU::ComponentsOrder::Reversed };
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case GL_UNSIGNED_SHORT_4_4_4_4:
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return { pixel_format, GPU::PixelComponentBits::B4_4_4_4, GPU::PixelDataType::UnsignedShort, GPU::ComponentsOrder::Normal };
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case GL_UNSIGNED_SHORT_4_4_4_4_REV:
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return { pixel_format, GPU::PixelComponentBits::B4_4_4_4, GPU::PixelDataType::UnsignedShort, GPU::ComponentsOrder::Reversed };
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case GL_UNSIGNED_SHORT_5_6_5:
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return { pixel_format, GPU::PixelComponentBits::B5_6_5, GPU::PixelDataType::UnsignedShort, GPU::ComponentsOrder::Normal };
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case GL_UNSIGNED_SHORT_5_6_5_REV:
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return { pixel_format, GPU::PixelComponentBits::B5_6_5, GPU::PixelDataType::UnsignedShort, GPU::ComponentsOrder::Reversed };
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case GL_UNSIGNED_SHORT_5_5_5_1:
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return { pixel_format, GPU::PixelComponentBits::B5_5_5_1, GPU::PixelDataType::UnsignedShort, GPU::ComponentsOrder::Normal };
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}
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VERIFY_NOT_REACHED();
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}
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GPU::PixelFormat pixel_format_for_internal_format(GLenum internal_format)
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{
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// FIXME: add support for all the SRGB formats
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// Numbers 1-4 are supported deprecated values
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switch (internal_format) {
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case 1:
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case GL_ALPHA:
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case GL_ALPHA4:
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case GL_ALPHA8:
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case GL_ALPHA12:
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case GL_ALPHA16:
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case GL_COMPRESSED_ALPHA:
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return GPU::PixelFormat::Alpha;
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case GL_DEPTH_COMPONENT:
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case GL_DEPTH_COMPONENT16:
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case GL_DEPTH_COMPONENT24:
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case GL_DEPTH_COMPONENT32:
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return GPU::PixelFormat::DepthComponent;
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case GL_INTENSITY:
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case GL_INTENSITY4:
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case GL_INTENSITY8:
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case GL_INTENSITY12:
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case GL_INTENSITY16:
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case GL_COMPRESSED_INTENSITY:
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return GPU::PixelFormat::Intensity;
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case GL_LUMINANCE:
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case GL_LUMINANCE4:
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case GL_LUMINANCE8:
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case GL_LUMINANCE12:
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case GL_LUMINANCE16:
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case GL_COMPRESSED_LUMINANCE:
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return GPU::PixelFormat::Luminance;
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case 2:
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case GL_LUMINANCE_ALPHA:
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case GL_LUMINANCE4_ALPHA4:
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case GL_LUMINANCE6_ALPHA2:
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case GL_LUMINANCE8_ALPHA8:
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case GL_LUMINANCE12_ALPHA4:
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case GL_LUMINANCE12_ALPHA12:
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case GL_LUMINANCE16_ALPHA16:
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return GPU::PixelFormat::LuminanceAlpha;
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case 3:
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case GL_RGB:
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case GL_R3_G3_B2:
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case GL_RGB4:
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case GL_RGB5:
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case GL_RGB8:
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case GL_RGB10:
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case GL_RGB12:
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case GL_RGB16:
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case GL_COMPRESSED_RGB:
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return GPU::PixelFormat::RGB;
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case 4:
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case GL_RGBA:
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case GL_RGBA2:
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case GL_RGBA4:
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case GL_RGB5_A1:
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case GL_RGBA8:
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case GL_RGB10_A2:
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case GL_RGBA12:
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case GL_RGBA16:
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case GL_COMPRESSED_RGBA:
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return GPU::PixelFormat::RGBA;
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}
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dbgln("{}({:#x}): unsupported internal format", __FUNCTION__, internal_format);
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VERIFY_NOT_REACHED();
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}
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}
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