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		61bd1890d2
		
	
	
	
	
		
			
			This is a very basic implementation of glGetfloatv. It will only give a result when used with GL_MODELVIEW_MATRIX. In the future we can update and extend it's functionality.
		
			
				
	
	
		
			72 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
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|  * Copyright (c) 2021, Stephan Unverwerth <s.unverwerth@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include "GL/gl.h"
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| #include <AK/OwnPtr.h>
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| #include <LibGfx/Bitmap.h>
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| #include <LibGfx/Matrix4x4.h>
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| 
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| namespace GL {
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| 
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| class GLContext {
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| public:
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|     virtual ~GLContext();
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| 
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|     virtual void gl_begin(GLenum mode) = 0;
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|     virtual void gl_clear(GLbitfield mask) = 0;
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|     virtual void gl_clear_color(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) = 0;
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|     virtual void gl_clear_depth(GLdouble depth) = 0;
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|     virtual void gl_color(GLdouble r, GLdouble g, GLdouble b, GLdouble a) = 0;
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|     virtual void gl_delete_textures(GLsizei n, const GLuint* textures) = 0;
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|     virtual void gl_end() = 0;
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|     virtual void gl_frustum(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val) = 0;
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|     virtual void gl_gen_textures(GLsizei n, GLuint* textures) = 0;
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|     virtual GLenum gl_get_error() = 0;
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|     virtual GLubyte* gl_get_string(GLenum name) = 0;
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|     virtual void gl_load_identity() = 0;
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|     virtual void gl_load_matrix(const FloatMatrix4x4& matrix) = 0;
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|     virtual void gl_matrix_mode(GLenum mode) = 0;
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|     virtual void gl_ortho(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val) = 0;
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|     virtual void gl_push_matrix() = 0;
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|     virtual void gl_pop_matrix() = 0;
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|     virtual void gl_rotate(GLdouble angle, GLdouble x, GLdouble y, GLdouble z) = 0;
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|     virtual void gl_scale(GLdouble x, GLdouble y, GLdouble z) = 0;
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|     virtual void gl_translate(GLdouble x, GLdouble y, GLdouble z) = 0;
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|     virtual void gl_vertex(GLdouble x, GLdouble y, GLdouble z, GLdouble w) = 0;
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|     virtual void gl_viewport(GLint x, GLint y, GLsizei width, GLsizei height) = 0;
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|     virtual void gl_enable(GLenum) = 0;
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|     virtual void gl_disable(GLenum) = 0;
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|     virtual void gl_front_face(GLenum) = 0;
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|     virtual void gl_cull_face(GLenum) = 0;
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|     virtual GLuint gl_gen_lists(GLsizei range) = 0;
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|     virtual void gl_call_list(GLuint list) = 0;
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|     virtual void gl_delete_lists(GLuint list, GLsizei range) = 0;
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|     virtual void gl_end_list(void) = 0;
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|     virtual void gl_new_list(GLuint list, GLenum mode) = 0;
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|     virtual void gl_flush() = 0;
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|     virtual void gl_finish() = 0;
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|     virtual void gl_blend_func(GLenum src_factor, GLenum dst_factor) = 0;
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|     virtual void gl_shade_model(GLenum mode) = 0;
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|     virtual void gl_alpha_func(GLenum func, GLclampf ref) = 0;
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|     virtual void gl_hint(GLenum target, GLenum mode) = 0;
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|     virtual void gl_read_buffer(GLenum mode) = 0;
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|     virtual void gl_read_pixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels) = 0;
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|     virtual void gl_tex_image_2d(GLenum target, GLint level, GLint internal_format, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* data) = 0;
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|     virtual void gl_tex_coord(GLfloat s, GLfloat t, GLfloat r, GLfloat q) = 0;
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|     virtual void gl_bind_texture(GLenum target, GLuint texture) = 0;
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|     virtual void gl_active_texture(GLenum texture) = 0;
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|     virtual void gl_get_floatv(GLenum pname, GLfloat* params) = 0;
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| 
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|     virtual void present() = 0;
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| };
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| 
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| OwnPtr<GLContext> create_context(Gfx::Bitmap&);
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| void make_context_current(GLContext*);
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| 
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| }
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