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Diffstat (limited to 'Userland/Libraries/LibGL/SoftwareGLContext.h')
| -rw-r--r-- | Userland/Libraries/LibGL/SoftwareGLContext.h | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/Userland/Libraries/LibGL/SoftwareGLContext.h b/Userland/Libraries/LibGL/SoftwareGLContext.h deleted file mode 100644 index f88731f782..0000000000 --- a/Userland/Libraries/LibGL/SoftwareGLContext.h +++ /dev/null @@ -1,448 +0,0 @@ -/* - * Copyright (c) 2021, Stephan Unverwerth <s.unverwerth@serenityos.org> - * Copyright (c) 2021-2022, Jesse Buhagiar <jooster669@gmail.com> - * - * SPDX-License-Identifier: BSD-2-Clause - */ - -#pragma once - -#include <AK/HashMap.h> -#include <AK/Optional.h> -#include <AK/RefPtr.h> -#include <AK/Tuple.h> -#include <AK/Variant.h> -#include <AK/Vector.h> -#include <LibGL/GLContext.h> -#include <LibGL/Tex/NameAllocator.h> -#include <LibGL/Tex/Texture.h> -#include <LibGL/Tex/TextureUnit.h> -#include <LibGfx/Bitmap.h> -#include <LibGfx/Matrix4x4.h> -#include <LibGfx/Rect.h> -#include <LibGfx/Vector3.h> -#include <LibSoftGPU/Clipper.h> -#include <LibSoftGPU/Device.h> -#include <LibSoftGPU/Light/Light.h> -#include <LibSoftGPU/Vertex.h> - -namespace GL { - -struct ContextParameter { - GLenum type; - bool is_capability { false }; - u8 count { 1 }; - union { - bool boolean_value; - GLint integer_value; - GLint integer_list[4]; - GLdouble double_value; - GLdouble double_list[4]; - } value; -}; - -enum Face { - Front = 0, - Back = 1, -}; - -class SoftwareGLContext : public GLContext { -public: - SoftwareGLContext(Gfx::Bitmap&); - - virtual void gl_begin(GLenum mode) override; - virtual void gl_clear(GLbitfield mask) override; - virtual void gl_clear_color(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) override; - virtual void gl_clear_depth(GLdouble depth) override; - virtual void gl_clear_stencil(GLint s) override; - virtual void gl_color(GLdouble r, GLdouble g, GLdouble b, GLdouble a) override; - virtual void gl_delete_textures(GLsizei n, const GLuint* textures) override; - virtual void gl_end() override; - virtual void gl_frustum(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val) override; - virtual void gl_gen_textures(GLsizei n, GLuint* textures) override; - virtual GLenum gl_get_error() override; - virtual GLubyte* gl_get_string(GLenum name) override; - virtual void gl_load_identity() override; - virtual void gl_load_matrix(const FloatMatrix4x4& matrix) override; - virtual void gl_matrix_mode(GLenum mode) override; - virtual void gl_ortho(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val) override; - virtual void gl_push_matrix() override; - virtual void gl_pop_matrix() override; - virtual void gl_mult_matrix(FloatMatrix4x4 const& matrix) override; - virtual void gl_rotate(GLdouble angle, GLdouble x, GLdouble y, GLdouble z) override; - virtual void gl_scale(GLdouble x, GLdouble y, GLdouble z) override; - virtual void gl_translate(GLdouble x, GLdouble y, GLdouble z) override; - virtual void gl_vertex(GLdouble x, GLdouble y, GLdouble z, GLdouble w) override; - virtual void gl_viewport(GLint x, GLint y, GLsizei width, GLsizei height) override; - virtual void gl_enable(GLenum) override; - virtual void gl_disable(GLenum) override; - virtual GLboolean gl_is_enabled(GLenum) override; - virtual void gl_front_face(GLenum) override; - virtual void gl_cull_face(GLenum) override; - virtual GLuint gl_gen_lists(GLsizei range) override; - virtual void gl_call_list(GLuint list) override; - virtual void gl_call_lists(GLsizei n, GLenum type, void const* lists) override; - virtual void gl_delete_lists(GLuint list, GLsizei range) override; - virtual void gl_list_base(GLuint base) override; - virtual void gl_end_list(void) override; - virtual void gl_new_list(GLuint list, GLenum mode) override; - virtual GLboolean gl_is_list(GLuint list) override; - virtual void gl_flush() override; - virtual void gl_finish() override; - virtual void gl_blend_func(GLenum src_factor, GLenum dst_factor) override; - virtual void gl_shade_model(GLenum mode) override; - virtual void gl_alpha_func(GLenum func, GLclampf ref) override; - virtual void gl_hint(GLenum target, GLenum mode) override; - virtual void gl_read_buffer(GLenum mode) override; - virtual void gl_draw_buffer(GLenum buffer) override; - virtual void gl_read_pixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels) override; - virtual void gl_tex_image_2d(GLenum target, GLint level, GLint internal_format, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, GLvoid const* data) override; - virtual void gl_tex_sub_image_2d(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid const* data) override; - virtual void gl_tex_parameter(GLenum target, GLenum pname, GLfloat param) override; - virtual void gl_tex_coord(GLfloat s, GLfloat t, GLfloat r, GLfloat q) override; - virtual void gl_multi_tex_coord(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q) override; - virtual void gl_tex_env(GLenum target, GLenum pname, GLfloat param) override; - virtual void gl_bind_texture(GLenum target, GLuint texture) override; - virtual GLboolean gl_is_texture(GLuint texture) override; - virtual void gl_active_texture(GLenum texture) override; - virtual void gl_depth_mask(GLboolean flag) override; - virtual void gl_enable_client_state(GLenum cap) override; - virtual void gl_disable_client_state(GLenum cap) override; - virtual void gl_client_active_texture(GLenum target) override; - virtual void gl_vertex_pointer(GLint size, GLenum type, GLsizei stride, const void* pointer) override; - virtual void gl_color_pointer(GLint size, GLenum type, GLsizei stride, const void* pointer) override; - virtual void gl_tex_coord_pointer(GLint size, GLenum type, GLsizei stride, const void* pointer) override; - virtual void gl_draw_arrays(GLenum mode, GLint first, GLsizei count) override; - virtual void gl_draw_elements(GLenum mode, GLsizei count, GLenum type, const void* indices) override; - virtual void gl_draw_pixels(GLsizei width, GLsizei height, GLenum format, GLenum type, const void* data) override; - virtual void gl_color_mask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) override; - virtual void gl_get_booleanv(GLenum pname, GLboolean* data) override; - virtual void gl_get_doublev(GLenum pname, GLdouble* params) override; - virtual void gl_get_floatv(GLenum pname, GLfloat* params) override; - virtual void gl_get_integerv(GLenum pname, GLint* data) override; - virtual void gl_depth_range(GLdouble min, GLdouble max) override; - virtual void gl_depth_func(GLenum func) override; - virtual void gl_polygon_mode(GLenum face, GLenum mode) override; - virtual void gl_polygon_offset(GLfloat factor, GLfloat units) override; - virtual void gl_fogfv(GLenum pname, GLfloat* params) override; - virtual void gl_fogf(GLenum pname, GLfloat param) override; - virtual void gl_fogi(GLenum pname, GLint param) override; - virtual void gl_pixel_storei(GLenum pname, GLint param) override; - virtual void gl_scissor(GLint x, GLint y, GLsizei width, GLsizei height) override; - virtual void gl_stencil_func_separate(GLenum face, GLenum func, GLint ref, GLuint mask) override; - virtual void gl_stencil_mask_separate(GLenum face, GLuint mask) override; - virtual void gl_stencil_op_separate(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass) override; - virtual void gl_normal(GLfloat nx, GLfloat ny, GLfloat nz) override; - virtual void gl_normal_pointer(GLenum type, GLsizei stride, void const* pointer) override; - virtual void gl_raster_pos(GLfloat x, GLfloat y, GLfloat z, GLfloat w) override; - virtual void gl_line_width(GLfloat width) override; - virtual void gl_push_attrib(GLbitfield mask) override; - virtual void gl_pop_attrib() override; - virtual void gl_light_model(GLenum pname, GLfloat x, GLfloat y, GLfloat z, GLfloat w) override; - virtual void gl_bitmap(GLsizei width, GLsizei height, GLfloat xorig, GLfloat yorig, GLfloat xmove, GLfloat ymove, GLubyte const* bitmap) override; - virtual void gl_copy_tex_image_2d(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border) override; - virtual void gl_get_tex_parameter_integerv(GLenum target, GLint level, GLenum pname, GLint* params) override; - virtual void gl_rect(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2) override; - virtual void gl_tex_gen(GLenum coord, GLenum pname, GLint param) override; - virtual void gl_tex_gen_floatv(GLenum coord, GLenum pname, GLfloat const* params) override; - virtual void gl_lightf(GLenum light, GLenum pname, GLfloat param) override; - virtual void gl_lightfv(GLenum light, GLenum pname, GLfloat const* params) override; - virtual void gl_lightiv(GLenum light, GLenum pname, GLint const* params) override; - virtual void gl_materialf(GLenum face, GLenum pname, GLfloat param) override; - virtual void gl_materialfv(GLenum face, GLenum pname, GLfloat const* params) override; - virtual void gl_materialiv(GLenum face, GLenum pname, GLint const* params) override; - virtual void gl_color_material(GLenum face, GLenum mode) override; - virtual void gl_get_light(GLenum light, GLenum pname, void* params, GLenum type) override; - virtual void gl_get_material(GLenum face, GLenum pname, void* params, GLenum type) override; - virtual void present() override; - -private: - void sync_device_config(); - void sync_device_sampler_config(); - void sync_device_texcoord_config(); - void sync_light_state(); - void sync_stencil_configuration(); - - void build_extension_string(); - - template<typename T> - T* store_in_listing(T value) - { - VERIFY(m_current_listing_index.has_value()); - auto& listing = m_current_listing_index->listing; - listing.saved_arguments.empend(make<Listing::ExtraSavedArguments>(move(value))); - return listing.saved_arguments.last()->template get_pointer<T>(); - } - - template<auto member, typename... Args> - void append_to_listing(Args&&... args) - { - VERIFY(m_current_listing_index.has_value()); - m_current_listing_index->listing.entries.empend(member, Listing::ArgumentsFor<member> { forward<Args>(args)... }); - } - - Optional<ContextParameter> get_context_parameter(GLenum pname); - - template<typename T> - void get_floating_point(GLenum pname, T* params); - template<typename T> - void get_light_param(GLenum light, GLenum pname, T* params); - template<typename T> - void get_material_param(Face face, GLenum pname, T* params); - - void invoke_list(size_t list_index); - [[nodiscard]] bool should_append_to_listing() const { return m_current_listing_index.has_value(); } - [[nodiscard]] bool should_execute_after_appending_to_listing() const { return m_current_listing_index.has_value() && m_current_listing_index->mode == GL_COMPILE_AND_EXECUTE; } - - GLenum m_current_draw_mode; - GLenum m_current_matrix_mode; - FloatMatrix4x4 m_projection_matrix = FloatMatrix4x4::identity(); - FloatMatrix4x4 m_model_view_matrix = FloatMatrix4x4::identity(); - FloatMatrix4x4 m_texture_matrix = FloatMatrix4x4::identity(); - - Vector<FloatMatrix4x4> m_projection_matrix_stack; - Vector<FloatMatrix4x4> m_model_view_matrix_stack; - // FIXME: implement multi-texturing: the texture matrix stack should live inside a texture unit - Vector<FloatMatrix4x4> m_texture_matrix_stack; - - Gfx::IntRect m_viewport; - - FloatVector4 m_clear_color { 0.0f, 0.0f, 0.0f, 0.0f }; - float m_clear_depth { 1.f }; - u8 m_clear_stencil { 0 }; - - FloatVector4 m_current_vertex_color { 1.0f, 1.0f, 1.0f, 1.0f }; - Vector<FloatVector4> m_current_vertex_tex_coord; - FloatVector3 m_current_vertex_normal { 0.0f, 0.0f, 1.0f }; - - Vector<SoftGPU::Vertex> m_vertex_list; - - GLenum m_error = GL_NO_ERROR; - bool m_in_draw_state = false; - - bool m_depth_test_enabled { false }; - bool m_depth_offset_enabled { false }; - - bool m_cull_faces = false; - GLenum m_front_face = GL_CCW; - GLenum m_culled_sides = GL_BACK; - - bool m_blend_enabled = false; - GLenum m_blend_source_factor = GL_ONE; - GLenum m_blend_destination_factor = GL_ZERO; - - bool m_alpha_test_enabled = false; - GLenum m_alpha_test_func = GL_ALWAYS; - GLclampf m_alpha_test_ref_value = 0; - - bool m_dither_enabled { true }; - bool m_normalize { false }; - - // Stencil configuration - bool m_stencil_test_enabled { false }; - bool m_stencil_configuration_dirty { true }; - - struct StencilFunctionOptions { - GLenum func { GL_ALWAYS }; - GLint reference_value { 0 }; - GLuint mask { NumericLimits<GLuint>::max() }; - }; - Array<StencilFunctionOptions, 2u> m_stencil_function; - - struct StencilOperationOptions { - GLenum op_fail { GL_KEEP }; - GLenum op_depth_fail { GL_KEEP }; - GLenum op_pass { GL_KEEP }; - GLuint write_mask { NumericLimits<GLuint>::max() }; - }; - Array<StencilOperationOptions, 2u> m_stencil_operation; - - GLenum m_current_read_buffer = GL_BACK; - GLenum m_current_draw_buffer = GL_BACK; - - // Client side arrays - bool m_client_side_vertex_array_enabled { false }; - bool m_client_side_color_array_enabled { false }; - Vector<bool> m_client_side_texture_coord_array_enabled; - size_t m_client_active_texture = 0; - bool m_client_side_normal_array_enabled { false }; - - NonnullRefPtr<Gfx::Bitmap> m_frontbuffer; - - // Texture objects - template<typename T> - RefPtr<T> get_default_texture(GLenum target) - { - auto default_texture = m_default_textures.get(target); - VERIFY(default_texture.has_value()); - return static_cast<T*>(default_texture.value()); - } - - TextureNameAllocator m_name_allocator; - HashMap<GLuint, RefPtr<Texture>> m_allocated_textures; - HashMap<GLenum, RefPtr<Texture>> m_default_textures; - Vector<TextureUnit> m_texture_units; - TextureUnit* m_active_texture_unit; - size_t m_active_texture_unit_index { 0 }; - - // Texture coordinate generation state - struct TextureCoordinateGeneration { - bool enabled { false }; - GLenum generation_mode { GL_EYE_LINEAR }; - FloatVector4 object_plane_coefficients { 0.0f, 0.0f, 0.0f, 0.0f }; - FloatVector4 eye_plane_coefficients { 0.0f, 0.0f, 0.0f, 0.0f }; - }; - Vector<Array<TextureCoordinateGeneration, 4>> m_texture_coordinate_generation; - bool m_texcoord_generation_dirty { true }; - - ALWAYS_INLINE TextureCoordinateGeneration& texture_coordinate_generation(size_t texture_unit, GLenum capability) - { - return m_texture_coordinate_generation[texture_unit][capability - GL_TEXTURE_GEN_S]; - } - - SoftGPU::Device m_rasterizer; - SoftGPU::DeviceInfo const m_device_info; - bool m_sampler_config_is_dirty { true }; - bool m_light_state_is_dirty { true }; - - struct Listing { - - template<typename F> - struct TupleTypeForArgumentListOf_; - - template<typename Ret, typename C, typename... Args> - struct TupleTypeForArgumentListOf_<Ret (C::*)(Args...)> { - using Type = Tuple<Args...>; - }; - - template<typename F> - using TupleTypeForArgumentListOf = typename TupleTypeForArgumentListOf_<F>::Type; - - template<auto member> - using ArgumentsFor = TupleTypeForArgumentListOf<decltype(member)>; - - template<typename... Fns> - struct FunctionAndArgs { - Variant<Fns...> function; - Variant<TupleTypeForArgumentListOf<Fns>...> arguments; - }; - - using FunctionsAndArgs = FunctionAndArgs< - decltype(&SoftwareGLContext::gl_begin), - decltype(&SoftwareGLContext::gl_clear), - decltype(&SoftwareGLContext::gl_clear_color), - decltype(&SoftwareGLContext::gl_clear_depth), - decltype(&SoftwareGLContext::gl_clear_stencil), - decltype(&SoftwareGLContext::gl_color), - decltype(&SoftwareGLContext::gl_end), - decltype(&SoftwareGLContext::gl_frustum), - decltype(&SoftwareGLContext::gl_load_identity), - decltype(&SoftwareGLContext::gl_load_matrix), - decltype(&SoftwareGLContext::gl_matrix_mode), - decltype(&SoftwareGLContext::gl_ortho), - decltype(&SoftwareGLContext::gl_push_matrix), - decltype(&SoftwareGLContext::gl_pop_matrix), - decltype(&SoftwareGLContext::gl_mult_matrix), - decltype(&SoftwareGLContext::gl_rotate), - decltype(&SoftwareGLContext::gl_scale), - decltype(&SoftwareGLContext::gl_translate), - decltype(&SoftwareGLContext::gl_vertex), - decltype(&SoftwareGLContext::gl_viewport), - decltype(&SoftwareGLContext::gl_enable), - decltype(&SoftwareGLContext::gl_disable), - decltype(&SoftwareGLContext::gl_front_face), - decltype(&SoftwareGLContext::gl_cull_face), - decltype(&SoftwareGLContext::gl_call_list), - decltype(&SoftwareGLContext::gl_call_lists), - decltype(&SoftwareGLContext::gl_blend_func), - decltype(&SoftwareGLContext::gl_shade_model), - decltype(&SoftwareGLContext::gl_alpha_func), - decltype(&SoftwareGLContext::gl_hint), - decltype(&SoftwareGLContext::gl_read_buffer), - decltype(&SoftwareGLContext::gl_tex_parameter), - decltype(&SoftwareGLContext::gl_depth_mask), - decltype(&SoftwareGLContext::gl_draw_arrays), - decltype(&SoftwareGLContext::gl_draw_elements), - decltype(&SoftwareGLContext::gl_draw_pixels), - decltype(&SoftwareGLContext::gl_depth_range), - decltype(&SoftwareGLContext::gl_polygon_offset), - decltype(&SoftwareGLContext::gl_scissor), - decltype(&SoftwareGLContext::gl_stencil_func_separate), - decltype(&SoftwareGLContext::gl_stencil_mask_separate), - decltype(&SoftwareGLContext::gl_stencil_op_separate), - decltype(&SoftwareGLContext::gl_normal), - decltype(&SoftwareGLContext::gl_raster_pos), - decltype(&SoftwareGLContext::gl_line_width), - decltype(&SoftwareGLContext::gl_push_attrib), - decltype(&SoftwareGLContext::gl_pop_attrib), - decltype(&SoftwareGLContext::gl_light_model), - decltype(&SoftwareGLContext::gl_bitmap), - decltype(&SoftwareGLContext::gl_copy_tex_image_2d), - decltype(&SoftwareGLContext::gl_rect), - decltype(&SoftwareGLContext::gl_tex_gen), - decltype(&SoftwareGLContext::gl_tex_gen_floatv), - decltype(&SoftwareGLContext::gl_fogf), - decltype(&SoftwareGLContext::gl_fogfv), - decltype(&SoftwareGLContext::gl_fogi), - decltype(&SoftwareGLContext::gl_lightf), - decltype(&SoftwareGLContext::gl_lightfv), - decltype(&SoftwareGLContext::gl_lightiv), - decltype(&SoftwareGLContext::gl_materialf), - decltype(&SoftwareGLContext::gl_materialfv), - decltype(&SoftwareGLContext::gl_materialiv), - decltype(&SoftwareGLContext::gl_color_material), - decltype(&SoftwareGLContext::gl_get_light)>; - - using ExtraSavedArguments = Variant< - FloatMatrix4x4>; - - Vector<NonnullOwnPtr<ExtraSavedArguments>> saved_arguments; - Vector<FunctionsAndArgs> entries; - }; - - static constexpr size_t max_allowed_gl_call_depth { 128 }; - size_t m_gl_call_depth { 0 }; - Vector<Listing> m_listings; - size_t m_list_base { 0 }; - struct CurrentListing { - Listing listing; - size_t index { 0 }; - GLenum mode { GL_COMPILE }; - }; - Optional<CurrentListing> m_current_listing_index; - - struct VertexAttribPointer { - GLint size { 4 }; - GLenum type { GL_FLOAT }; - GLsizei stride { 0 }; - const void* pointer { 0 }; - }; - - static void read_from_vertex_attribute_pointer(VertexAttribPointer const&, int index, float* elements, bool normalize); - - VertexAttribPointer m_client_vertex_pointer; - VertexAttribPointer m_client_color_pointer; - Vector<VertexAttribPointer> m_client_tex_coord_pointer; - VertexAttribPointer m_client_normal_pointer; - - u8 m_pack_alignment { 4 }; - GLsizei m_unpack_row_length { 0 }; - u8 m_unpack_alignment { 4 }; - - float m_line_width { 1.0f }; - - // Lighting configuration - bool m_lighting_enabled { false }; - Vector<SoftGPU::Light> m_light_states; - Array<SoftGPU::Material, 2u> m_material_states; - - // Color material - bool m_color_material_enabled { false }; - GLenum m_color_material_face { GL_FRONT_AND_BACK }; - GLenum m_color_material_mode { GL_AMBIENT_AND_DIFFUSE }; - - // GL Extension string - String m_extensions; -}; - -} |