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LibGL+LibGPU+LibSoftGPU: Implement GL_GENERATE_MIPMAP

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We can now generate texture mipmaps on the fly if the client requests
it. This fixes the missing textures in our PrBoom+ port.
This commit is contained in:
Jelle Raaijmakers 2022-09-04 22:18:16 +02:00 • committed by Linus Groh
parent dda5987684
commit 1540c56e6c
10 changed files with 148 additions and 82 deletions
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15
Userland/Libraries/LibGL/Texture.cpp
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@ -582,10 +582,11 @@ void GLContext::gl_tex_parameter(GLenum target, GLenum pname, GLfloat param)
RETURN_WITH_ERROR_IF(target != GL_TEXTURE_2D, GL_INVALID_ENUM);
// FIXME: implement the remaining parameters. (https://docs.gl/gl2/glTexParameter)
RETURN_WITH_ERROR_IF(!(pname == GL_TEXTURE_MIN_FILTER
|| pname == GL_TEXTURE_MAG_FILTER
|| pname == GL_TEXTURE_WRAP_S
|| pname == GL_TEXTURE_WRAP_T),
RETURN_WITH_ERROR_IF(pname != GL_GENERATE_MIPMAP
&& pname != GL_TEXTURE_MIN_FILTER
&& pname != GL_TEXTURE_MAG_FILTER
&& pname != GL_TEXTURE_WRAP_S
&& pname != GL_TEXTURE_WRAP_T,
GL_INVALID_ENUM);
// We assume GL_TEXTURE_2D (see above)
@ -593,6 +594,10 @@ void GLContext::gl_tex_parameter(GLenum target, GLenum pname, GLfloat param)
VERIFY(!texture_2d.is_null());
switch (pname) {
case GL_GENERATE_MIPMAP:
RETURN_WITH_ERROR_IF(param != GL_TRUE && param != GL_FALSE, GL_INVALID_ENUM);
texture_2d->set_generate_mipmaps(param == GL_TRUE);
break;
case GL_TEXTURE_MIN_FILTER:
RETURN_WITH_ERROR_IF(!(param == GL_NEAREST
|| param == GL_LINEAR
@ -652,7 +657,7 @@ void GLContext::gl_tex_parameterfv(GLenum target, GLenum pname, GLfloat const* p
RETURN_WITH_ERROR_IF(target != GL_TEXTURE_2D, GL_INVALID_ENUM);
// FIXME: implement the remaining parameters. (https://docs.gl/gl2/glTexParameter)
RETURN_WITH_ERROR_IF(!(pname == GL_TEXTURE_BORDER_COLOR), GL_INVALID_ENUM);
RETURN_WITH_ERROR_IF(pname != GL_TEXTURE_BORDER_COLOR, GL_INVALID_ENUM);
// We assume GL_TEXTURE_2D (see above)
auto texture_2d = m_active_texture_unit->texture_2d_target_texture();