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LibGL: Implement glLineWidth

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This commit is contained in:
Jelle Raaijmakers 2021-12-01 16:51:40 +01:00 • committed by Andreas Kling
parent 22f8294a57
commit fbed7a5ba8
5 changed files with 21 additions and 1 deletions
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1
Userland/Libraries/LibGL/GL/gl.h
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@ -467,6 +467,7 @@ GLAPI void glNormal3fv(GLfloat const* v);
GLAPI void glRasterPos2i(GLint x, GLint y);
GLAPI void glMaterialf(GLenum face, GLenum pname, GLfloat param);
GLAPI void glMaterialfv(GLenum face, GLenum pname, GLfloat const* params);
GLAPI void glLineWidth(GLfloat width);
#ifdef __cplusplus
}

1
Userland/Libraries/LibGL/GLContext.h
View file

@ -98,6 +98,7 @@ public:
virtual void gl_normal(GLfloat nx, GLfloat ny, GLfloat nz) = 0;
virtual void gl_raster_pos(GLfloat x, GLfloat y, GLfloat z, GLfloat w) = 0;
virtual void gl_materialv(GLenum face, GLenum pname, GLfloat const* params) = 0;
virtual void gl_line_width(GLfloat width) = 0;
virtual void present() = 0;
};

5
Userland/Libraries/LibGL/GLDraw.cpp
View file

@ -9,6 +9,11 @@
extern GL::GLContext* g_gl_context;
void glLineWidth(GLfloat width)
{
g_gl_context->gl_line_width(width);
}
void glRasterPos2i(GLint x, GLint y)
{
g_gl_context->gl_raster_pos(static_cast<float>(x), static_cast<float>(y), 0.0f, 1.0f);

9
Userland/Libraries/LibGL/SoftwareGLContext.cpp
View file

@ -2318,6 +2318,15 @@ void SoftwareGLContext::gl_materialv(GLenum face, GLenum pname, GLfloat const* p
dbgln_if(GL_DEBUG, "SoftwareGLContext FIXME: gl_materialv({}, {}, {}, {}, {}, {})", face, pname, x, y, z, w);
}
void SoftwareGLContext::gl_line_width(GLfloat width)
{
APPEND_TO_CALL_LIST_AND_RETURN_IF_NEEDED(gl_line_width, width);
RETURN_WITH_ERROR_IF(width <= 0, GL_INVALID_VALUE);
m_line_width = width;
}
void SoftwareGLContext::present()
{
m_rasterizer.blit_to(*m_frontbuffer);

6
Userland/Libraries/LibGL/SoftwareGLContext.h
View file

@ -109,6 +109,7 @@ public:
virtual void gl_normal(GLfloat nx, GLfloat ny, GLfloat nz) override;
virtual void gl_raster_pos(GLfloat x, GLfloat y, GLfloat z, GLfloat w) override;
virtual void gl_materialv(GLenum face, GLenum pname, GLfloat const* params) override;
virtual void gl_line_width(GLfloat width) override;
virtual void present() override;
private:
@ -278,7 +279,8 @@ private:
decltype(&SoftwareGLContext::gl_stencil_op_separate),
decltype(&SoftwareGLContext::gl_normal),
decltype(&SoftwareGLContext::gl_raster_pos),
decltype(&SoftwareGLContext::gl_materialv)>;
decltype(&SoftwareGLContext::gl_materialv),
decltype(&SoftwareGLContext::gl_line_width)>;
using ExtraSavedArguments = Variant<
FloatMatrix4x4>;
@ -325,6 +327,8 @@ private:
FloatVector4 texture_coordinates { 0.0f, 0.0f, 0.0f, 1.0f };
};
RasterPosition m_current_raster_position;
float m_line_width { 1.0f };
};
}