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LibGL+LibGPU+LibSoftGPU: Implement blend equations

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This implements support for `glBlendEquation` and
`glBlendEquationSeparate`. These functions modify the calculation of the
resulting color in blending mode.
This commit is contained in:
Jelle Raaijmakers 2024-02-15 22:55:28 +01:00
parent 55668c3e48
commit aa3a6767f6
10 changed files with 202 additions and 30 deletions
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6
Userland/Libraries/LibGL/ContextParameter.cpp
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@ -1,7 +1,7 @@
/*
* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
* Copyright (c) 2021, Stephan Unverwerth <s.unverwerth@serenityos.org>
* Copyright (c) 2022, Jelle Raaijmakers <jelle@gmta.nl>
* Copyright (c) 2022-2024, Jelle Raaijmakers <jelle@gmta.nl>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -25,6 +25,10 @@ Optional<ContextParameter> GLContext::get_context_parameter(GLenum name)
case GL_BLEND_DST:
case GL_BLEND_DST_ALPHA:
return ContextParameter { .type = GL_INT, .value = { .integer_value = static_cast<GLint>(m_blend_destination_factor) } };
case GL_BLEND_EQUATION_ALPHA:
return ContextParameter { .type = GL_INT, .value = { .integer_value = static_cast<GLint>(m_blend_equation_alpha) } };
case GL_BLEND_EQUATION_RGB:
return ContextParameter { .type = GL_INT, .value = { .integer_value = static_cast<GLint>(m_blend_equation_rgb) } };
case GL_BLEND_SRC:
case GL_BLEND_SRC_ALPHA:
return ContextParameter { .type = GL_INT, .value = { .integer_value = static_cast<GLint>(m_blend_source_factor) } };