// Copyright 2014 The Servo Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use ffi; use std::ffi::{CStr, CString}; use std::mem; use std::mem::size_of; use std::os::raw::{c_char, c_int, c_void}; use std::ptr; use std::rc::Rc; use std::str; use std::time::{Duration, Instant}; pub use ffi::types::*; pub use ffi::*; pub use ffi_gl::Gl as GlFfi; pub use ffi_gles::Gles2 as GlesFfi; #[derive(Copy, Clone, Debug, Eq, PartialEq)] pub enum GlType { Gl, Gles, } impl Default for GlType { #[cfg(any(target_os = "android", target_os = "ios"))] fn default() -> GlType { GlType::Gles } #[cfg(not(any(target_os = "android", target_os = "ios")))] fn default() -> GlType { GlType::Gl } } fn bpp(format: GLenum, pixel_type: GLenum) -> GLsizei { let colors = match format { ffi::RED => 1, ffi::RGB => 3, ffi::BGR => 3, ffi::RGBA => 4, ffi::BGRA => 4, ffi::ALPHA => 1, ffi::R16 => 1, ffi::LUMINANCE => 1, ffi::DEPTH_COMPONENT => 1, _ => panic!("unsupported format for read_pixels: {:?}", format), }; let depth = match pixel_type { ffi::UNSIGNED_BYTE => 1, ffi::UNSIGNED_SHORT => 2, ffi::SHORT => 2, ffi::FLOAT => 4, ffi::UNSIGNED_INT_8_8_8_8_REV => return 4, _ => panic!("unsupported pixel_type for read_pixels: {:?}", pixel_type), }; colors * depth } fn calculate_length(width: GLsizei, height: GLsizei, format: GLenum, pixel_type: GLenum) -> usize { (width * height * bpp(format, pixel_type)) as usize } pub struct DebugMessage { pub message: String, pub source: GLenum, pub ty: GLenum, pub id: GLenum, pub severity: GLenum, } macro_rules! declare_gl_apis { // garbo is a hack to handle unsafe methods. ($($(unsafe $([$garbo:expr])*)* fn $name:ident(&self $(, $arg:ident: $t:ty)* $(,)*) $(-> $retty:ty)* ;)+) => { pub trait Gl { $($(unsafe $($garbo)*)* fn $name(&self $(, $arg:$t)*) $(-> $retty)* ;)+ } impl Gl for ErrorCheckingGl { $($(unsafe $($garbo)*)* fn $name(&self $(, $arg:$t)*) $(-> $retty)* { let rv = self.gl.$name($($arg,)*); assert_eq!(self.gl.get_error(), 0); rv })+ } impl Gl for ErrorReactingGl { $($(unsafe $($garbo)*)* fn $name(&self $(, $arg:$t)*) $(-> $retty)* { let rv = self.gl.$name($($arg,)*); let error = self.gl.get_error(); if error != 0 { (self.callback)(&*self.gl, stringify!($name), error); } rv })+ } impl Gl for ProfilingGl { $($(unsafe $($garbo)*)* fn $name(&self $(, $arg:$t)*) $(-> $retty)* { let start = Instant::now(); let rv = self.gl.$name($($arg,)*); let duration = Instant::now() - start; if duration > self.threshold { (self.callback)(stringify!($name), duration); } rv })+ } } } declare_gl_apis! { fn get_type(&self) -> GlType; fn buffer_data_untyped( &self, target: GLenum, size: GLsizeiptr, data: *const GLvoid, usage: GLenum, ); fn buffer_sub_data_untyped( &self, target: GLenum, offset: isize, size: GLsizeiptr, data: *const GLvoid, ); fn map_buffer(&self, target: GLenum, access: GLbitfield) -> *mut c_void; fn map_buffer_range( &self, target: GLenum, offset: GLintptr, length: GLsizeiptr, access: GLbitfield, ) -> *mut c_void; fn unmap_buffer(&self, target: GLenum) -> GLboolean; fn tex_buffer(&self, target: GLenum, internal_format: GLenum, buffer: GLuint); fn shader_source(&self, shader: GLuint, strings: &[&[u8]]); fn read_buffer(&self, mode: GLenum); fn read_pixels_into_buffer( &self, x: GLint, y: GLint, width: GLsizei, height: GLsizei, format: GLenum, pixel_type: GLenum, dst_buffer: &mut [u8], ); fn read_pixels( &self, x: GLint, y: GLint, width: GLsizei, height: GLsizei, format: GLenum, pixel_type: GLenum, ) -> Vec; unsafe fn read_pixels_into_pbo( &self, x: GLint, y: GLint, width: GLsizei, height: GLsizei, format: GLenum, pixel_type: GLenum, ); fn sample_coverage(&self, value: GLclampf, invert: bool); fn polygon_offset(&self, factor: GLfloat, units: GLfloat); fn pixel_store_i(&self, name: GLenum, param: GLint); fn gen_buffers(&self, n: GLsizei) -> Vec; fn gen_renderbuffers(&self, n: GLsizei) -> Vec; fn gen_framebuffers(&self, n: GLsizei) -> Vec; fn gen_textures(&self, n: GLsizei) -> Vec; fn gen_vertex_arrays(&self, n: GLsizei) -> Vec; fn gen_vertex_arrays_apple(&self, n: GLsizei) -> Vec; fn gen_queries(&self, n: GLsizei) -> Vec; fn begin_query(&self, target: GLenum, id: GLuint); fn end_query(&self, target: GLenum); fn query_counter(&self, id: GLuint, target: GLenum); fn get_query_object_iv(&self, id: GLuint, pname: GLenum) -> i32; fn get_query_object_uiv(&self, id: GLuint, pname: GLenum) -> u32; fn get_query_object_i64v(&self, id: GLuint, pname: GLenum) -> i64; fn get_query_object_ui64v(&self, id: GLuint, pname: GLenum) -> u64; fn delete_queries(&self, queries: &[GLuint]); fn delete_vertex_arrays(&self, vertex_arrays: &[GLuint]); fn delete_vertex_arrays_apple(&self, vertex_arrays: &[GLuint]); fn delete_buffers(&self, buffers: &[GLuint]); fn delete_renderbuffers(&self, renderbuffers: &[GLuint]); fn delete_framebuffers(&self, framebuffers: &[GLuint]); fn delete_textures(&self, textures: &[GLuint]); fn framebuffer_renderbuffer( &self, target: GLenum, attachment: GLenum, renderbuffertarget: GLenum, renderbuffer: GLuint, ); fn renderbuffer_storage( &self, target: GLenum, internalformat: GLenum, width: GLsizei, height: GLsizei, ); fn depth_func(&self, func: GLenum); fn active_texture(&self, texture: GLenum); fn attach_shader(&self, program: GLuint, shader: GLuint); fn bind_attrib_location(&self, program: GLuint, index: GLuint, name: &str); unsafe fn get_uniform_iv(&self, program: GLuint, location: GLint, result: &mut [GLint]); unsafe fn get_uniform_fv(&self, program: GLuint, location: GLint, result: &mut [GLfloat]); fn get_uniform_block_index(&self, program: GLuint, name: &str) -> GLuint; fn get_uniform_indices(&self, program: GLuint, names: &[&str]) -> Vec; fn bind_buffer_base(&self, target: GLenum, index: GLuint, buffer: GLuint); fn bind_buffer_range( &self, target: GLenum, index: GLuint, buffer: GLuint, offset: GLintptr, size: GLsizeiptr, ); fn uniform_block_binding( &self, program: GLuint, uniform_block_index: GLuint, uniform_block_binding: GLuint, ); fn bind_buffer(&self, target: GLenum, buffer: GLuint); fn bind_vertex_array(&self, vao: GLuint); fn bind_vertex_array_apple(&self, vao: GLuint); fn bind_renderbuffer(&self, target: GLenum, renderbuffer: GLuint); fn bind_framebuffer(&self, target: GLenum, framebuffer: GLuint); fn bind_texture(&self, target: GLenum, texture: GLuint); fn bind_vertex_buffer(&self, binding_index: GLuint, buffer: GLuint, offset: GLintptr, stride: GLint); fn draw_buffers(&self, bufs: &[GLenum]); fn tex_image_2d( &self, target: GLenum, level: GLint, internal_format: GLint, width: GLsizei, height: GLsizei, border: GLint, format: GLenum, ty: GLenum, opt_data: Option<&[u8]>, ); fn compressed_tex_image_2d( &self, target: GLenum, level: GLint, internal_format: GLenum, width: GLsizei, height: GLsizei, border: GLint, data: &[u8], ); fn compressed_tex_sub_image_2d( &self, target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, data: &[u8], ); fn tex_image_3d( &self, target: GLenum, level: GLint, internal_format: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, border: GLint, format: GLenum, ty: GLenum, opt_data: Option<&[u8]>, ); fn copy_tex_image_2d( &self, target: GLenum, level: GLint, internal_format: GLenum, x: GLint, y: GLint, width: GLsizei, height: GLsizei, border: GLint, ); fn copy_tex_sub_image_2d( &self, target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, x: GLint, y: GLint, width: GLsizei, height: GLsizei, ); fn copy_tex_sub_image_3d( &self, target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, zoffset: GLint, x: GLint, y: GLint, width: GLsizei, height: GLsizei, ); fn tex_sub_image_2d( &self, target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, ty: GLenum, data: &[u8], ); fn tex_sub_image_2d_pbo( &self, target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, ty: GLenum, offset: usize, ); fn tex_sub_image_3d( &self, target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, zoffset: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, format: GLenum, ty: GLenum, data: &[u8], ); fn tex_sub_image_3d_pbo( &self, target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, zoffset: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, format: GLenum, ty: GLenum, offset: usize, ); fn tex_storage_2d( &self, target: GLenum, levels: GLint, internal_format: GLenum, width: GLsizei, height: GLsizei, ); fn tex_storage_3d( &self, target: GLenum, levels: GLint, internal_format: GLenum, width: GLsizei, height: GLsizei, depth: GLsizei, ); fn get_tex_image_into_buffer( &self, target: GLenum, level: GLint, format: GLenum, ty: GLenum, output: &mut [u8], ); unsafe fn copy_image_sub_data( &self, src_name: GLuint, src_target: GLenum, src_level: GLint, src_x: GLint, src_y: GLint, src_z: GLint, dst_name: GLuint, dst_target: GLenum, dst_level: GLint, dst_x: GLint, dst_y: GLint, dst_z: GLint, src_width: GLsizei, src_height: GLsizei, src_depth: GLsizei, ); fn invalidate_framebuffer(&self, target: GLenum, attachments: &[GLenum]); fn invalidate_sub_framebuffer( &self, target: GLenum, attachments: &[GLenum], xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, ); unsafe fn get_integer_v(&self, name: GLenum, result: &mut [GLint]); unsafe fn get_integer_64v(&self, name: GLenum, result: &mut [GLint64]); unsafe fn get_integer_iv(&self, name: GLenum, index: GLuint, result: &mut [GLint]); unsafe fn get_integer_64iv(&self, name: GLenum, index: GLuint, result: &mut [GLint64]); unsafe fn get_boolean_v(&self, name: GLenum, result: &mut [GLboolean]); unsafe fn get_float_v(&self, name: GLenum, result: &mut [GLfloat]); fn get_framebuffer_attachment_parameter_iv( &self, target: GLenum, attachment: GLenum, pname: GLenum, ) -> GLint; fn get_renderbuffer_parameter_iv(&self, target: GLenum, pname: GLenum) -> GLint; fn get_tex_parameter_iv(&self, target: GLenum, name: GLenum) -> GLint; fn get_tex_parameter_fv(&self, target: GLenum, name: GLenum) -> GLfloat; fn tex_parameter_i(&self, target: GLenum, pname: GLenum, param: GLint); fn tex_parameter_f(&self, target: GLenum, pname: GLenum, param: GLfloat); fn framebuffer_texture_2d( &self, target: GLenum, attachment: GLenum, textarget: GLenum, texture: GLuint, level: GLint, ); fn framebuffer_texture_layer( &self, target: GLenum, attachment: GLenum, texture: GLuint, level: GLint, layer: GLint, ); fn blit_framebuffer( &self, src_x0: GLint, src_y0: GLint, src_x1: GLint, src_y1: GLint, dst_x0: GLint, dst_y0: GLint, dst_x1: GLint, dst_y1: GLint, mask: GLbitfield, filter: GLenum, ); fn vertex_attrib_4f(&self, index: GLuint, x: GLfloat, y: GLfloat, z: GLfloat, w: GLfloat); fn vertex_attrib_binding(&self, attrib_index: GLuint, binding_index: GLuint); fn vertex_attrib_pointer_f32( &self, index: GLuint, size: GLint, normalized: bool, stride: GLsizei, offset: GLuint, ); fn vertex_attrib_pointer( &self, index: GLuint, size: GLint, type_: GLenum, normalized: bool, stride: GLsizei, offset: GLuint, ); fn vertex_attrib_i_pointer( &self, index: GLuint, size: GLint, type_: GLenum, stride: GLsizei, offset: GLuint, ); fn vertex_attrib_divisor(&self, index: GLuint, divisor: GLuint); fn vertex_attrib_format(&self, attrib_index: GLuint, size: GLint, type_: GLenum, normalized: bool, relative_offset: GLuint); fn vertex_attrib_i_format(&self, attrib_index: GLuint, size: GLint, type_: GLenum, relative_offset: GLuint); fn vertex_binding_divisor(&self, binding_index: GLuint, divisor: GLuint); fn viewport(&self, x: GLint, y: GLint, width: GLsizei, height: GLsizei); fn scissor(&self, x: GLint, y: GLint, width: GLsizei, height: GLsizei); fn line_width(&self, width: GLfloat); fn use_program(&self, program: GLuint); fn validate_program(&self, program: GLuint); fn draw_arrays(&self, mode: GLenum, first: GLint, count: GLsizei); fn draw_arrays_instanced(&self, mode: GLenum, first: GLint, count: GLsizei, primcount: GLsizei); fn draw_elements( &self, mode: GLenum, count: GLsizei, element_type: GLenum, indices_offset: GLuint, ); fn draw_elements_instanced( &self, mode: GLenum, count: GLsizei, element_type: GLenum, indices_offset: GLuint, primcount: GLsizei, ); fn blend_color(&self, r: f32, g: f32, b: f32, a: f32); fn blend_func(&self, sfactor: GLenum, dfactor: GLenum); fn blend_func_separate( &self, src_rgb: GLenum, dest_rgb: GLenum, src_alpha: GLenum, dest_alpha: GLenum, ); fn blend_equation(&self, mode: GLenum); fn blend_equation_separate(&self, mode_rgb: GLenum, mode_alpha: GLenum); fn color_mask(&self, r: bool, g: bool, b: bool, a: bool); fn cull_face(&self, mode: GLenum); fn front_face(&self, mode: GLenum); fn enable(&self, cap: GLenum); fn disable(&self, cap: GLenum); fn hint(&self, param_name: GLenum, param_val: GLenum); fn is_enabled(&self, cap: GLenum) -> GLboolean; fn is_shader(&self, shader: GLuint) -> GLboolean; fn is_texture(&self, texture: GLenum) -> GLboolean; fn is_framebuffer(&self, framebuffer: GLenum) -> GLboolean; fn is_renderbuffer(&self, renderbuffer: GLenum) -> GLboolean; fn check_frame_buffer_status(&self, target: GLenum) -> GLenum; fn enable_vertex_attrib_array(&self, index: GLuint); fn disable_vertex_attrib_array(&self, index: GLuint); fn uniform_1f(&self, location: GLint, v0: GLfloat); fn uniform_1fv(&self, location: GLint, values: &[f32]); fn uniform_1i(&self, location: GLint, v0: GLint); fn uniform_1iv(&self, location: GLint, values: &[i32]); fn uniform_1ui(&self, location: GLint, v0: GLuint); fn uniform_2f(&self, location: GLint, v0: GLfloat, v1: GLfloat); fn uniform_2fv(&self, location: GLint, values: &[f32]); fn uniform_2i(&self, location: GLint, v0: GLint, v1: GLint); fn uniform_2iv(&self, location: GLint, values: &[i32]); fn uniform_2ui(&self, location: GLint, v0: GLuint, v1: GLuint); fn uniform_3f(&self, location: GLint, v0: GLfloat, v1: GLfloat, v2: GLfloat); fn uniform_3fv(&self, location: GLint, values: &[f32]); fn uniform_3i(&self, location: GLint, v0: GLint, v1: GLint, v2: GLint); fn uniform_3iv(&self, location: GLint, values: &[i32]); fn uniform_3ui(&self, location: GLint, v0: GLuint, v1: GLuint, v2: GLuint); fn uniform_4f(&self, location: GLint, x: GLfloat, y: GLfloat, z: GLfloat, w: GLfloat); fn uniform_4i(&self, location: GLint, x: GLint, y: GLint, z: GLint, w: GLint); fn uniform_4iv(&self, location: GLint, values: &[i32]); fn uniform_4ui(&self, location: GLint, x: GLuint, y: GLuint, z: GLuint, w: GLuint); fn uniform_4fv(&self, location: GLint, values: &[f32]); fn uniform_matrix_2fv(&self, location: GLint, transpose: bool, value: &[f32]); fn uniform_matrix_3fv(&self, location: GLint, transpose: bool, value: &[f32]); fn uniform_matrix_4fv(&self, location: GLint, transpose: bool, value: &[f32]); fn depth_mask(&self, flag: bool); fn depth_range(&self, near: f64, far: f64); fn get_active_attrib(&self, program: GLuint, index: GLuint) -> (i32, u32, String); fn get_active_uniform(&self, program: GLuint, index: GLuint) -> (i32, u32, String); fn get_active_uniforms_iv( &self, program: GLuint, indices: Vec, pname: GLenum, ) -> Vec; fn get_active_uniform_block_i(&self, program: GLuint, index: GLuint, pname: GLenum) -> GLint; fn get_active_uniform_block_iv( &self, program: GLuint, index: GLuint, pname: GLenum, ) -> Vec; fn get_active_uniform_block_name(&self, program: GLuint, index: GLuint) -> String; fn get_attrib_location(&self, program: GLuint, name: &str) -> c_int; fn get_frag_data_location(&self, program: GLuint, name: &str) -> c_int; fn get_uniform_location(&self, program: GLuint, name: &str) -> c_int; fn get_program_info_log(&self, program: GLuint) -> String; unsafe fn get_program_iv(&self, program: GLuint, pname: GLenum, result: &mut [GLint]); fn get_program_binary(&self, program: GLuint) -> (Vec, GLenum); fn program_binary(&self, program: GLuint, format: GLenum, binary: &[u8]); fn program_parameter_i(&self, program: GLuint, pname: GLenum, value: GLint); unsafe fn get_vertex_attrib_iv(&self, index: GLuint, pname: GLenum, result: &mut [GLint]); unsafe fn get_vertex_attrib_fv(&self, index: GLuint, pname: GLenum, result: &mut [GLfloat]); fn get_vertex_attrib_pointer_v(&self, index: GLuint, pname: GLenum) -> GLsizeiptr; fn get_buffer_parameter_iv(&self, target: GLuint, pname: GLenum) -> GLint; fn get_shader_info_log(&self, shader: GLuint) -> String; fn get_string(&self, which: GLenum) -> String; fn get_string_i(&self, which: GLenum, index: GLuint) -> String; unsafe fn get_shader_iv(&self, shader: GLuint, pname: GLenum, result: &mut [GLint]); fn get_shader_precision_format( &self, shader_type: GLuint, precision_type: GLuint, ) -> (GLint, GLint, GLint); fn compile_shader(&self, shader: GLuint); fn create_program(&self) -> GLuint; fn delete_program(&self, program: GLuint); fn create_shader(&self, shader_type: GLenum) -> GLuint; fn delete_shader(&self, shader: GLuint); fn detach_shader(&self, program: GLuint, shader: GLuint); fn link_program(&self, program: GLuint); fn clear_color(&self, r: f32, g: f32, b: f32, a: f32); fn clear(&self, buffer_mask: GLbitfield); fn clear_depth(&self, depth: f64); fn clear_stencil(&self, s: GLint); fn flush(&self); fn finish(&self); fn get_error(&self) -> GLenum; fn stencil_mask(&self, mask: GLuint); fn stencil_mask_separate(&self, face: GLenum, mask: GLuint); fn stencil_func(&self, func: GLenum, ref_: GLint, mask: GLuint); fn stencil_func_separate(&self, face: GLenum, func: GLenum, ref_: GLint, mask: GLuint); fn stencil_op(&self, sfail: GLenum, dpfail: GLenum, dppass: GLenum); fn stencil_op_separate(&self, face: GLenum, sfail: GLenum, dpfail: GLenum, dppass: GLenum); fn egl_image_target_texture2d_oes(&self, target: GLenum, image: GLeglImageOES); fn egl_image_target_renderbuffer_storage_oes(&self, target: GLenum, image: GLeglImageOES); fn generate_mipmap(&self, target: GLenum); fn insert_event_marker_ext(&self, message: &str); fn push_group_marker_ext(&self, message: &str); fn pop_group_marker_ext(&self); fn debug_message_insert_khr( &self, source: GLenum, type_: GLenum, id: GLuint, severity: GLenum, message: &str, ); fn push_debug_group_khr(&self, source: GLenum, id: GLuint, message: &str); fn pop_debug_group_khr(&self); fn fence_sync(&self, condition: GLenum, flags: GLbitfield) -> GLsync; fn client_wait_sync(&self, sync: GLsync, flags: GLbitfield, timeout: GLuint64) -> GLenum; fn wait_sync(&self, sync: GLsync, flags: GLbitfield, timeout: GLuint64); fn delete_sync(&self, sync: GLsync); fn texture_range_apple(&self, target: GLenum, data: &[u8]); fn gen_fences_apple(&self, n: GLsizei) -> Vec; fn delete_fences_apple(&self, fences: &[GLuint]); fn set_fence_apple(&self, fence: GLuint); fn finish_fence_apple(&self, fence: GLuint); fn test_fence_apple(&self, fence: GLuint); fn test_object_apple(&self, object: GLenum, name: GLuint) -> GLboolean; fn finish_object_apple(&self, object: GLenum, name: GLuint); // GL_KHR_blend_equation_advanced fn blend_barrier_khr(&self); // GL_ARB_blend_func_extended fn bind_frag_data_location_indexed( &self, program: GLuint, color_number: GLuint, index: GLuint, name: &str, ); fn get_frag_data_index(&self, program: GLuint, name: &str) -> GLint; // GL_KHR_debug fn get_debug_messages(&self) -> Vec; // GL_ANGLE_provoking_vertex fn provoking_vertex_angle(&self, mode: GLenum); // GL_CHROMIUM_copy_texture fn copy_texture_chromium( &self, source_id: GLuint, source_level: GLint, dest_target: GLenum, dest_id: GLuint, dest_level: GLint, internal_format: GLint, dest_type: GLenum, unpack_flip_y: GLboolean, unpack_premultiply_alpha: GLboolean, unpack_unmultiply_alpha: GLboolean, ); fn copy_sub_texture_chromium( &self, source_id: GLuint, source_level: GLint, dest_target: GLenum, dest_id: GLuint, dest_level: GLint, x_offset: GLint, y_offset: GLint, x: GLint, y: GLint, width: GLsizei, height: GLsizei, unpack_flip_y: GLboolean, unpack_premultiply_alpha: GLboolean, unpack_unmultiply_alpha: GLboolean, ); // GL_ANGLE_copy_texture_3d fn copy_texture_3d_angle( &self, source_id: GLuint, source_level: GLint, dest_target: GLenum, dest_id: GLuint, dest_level: GLint, internal_format: GLint, dest_type: GLenum, unpack_flip_y: GLboolean, unpack_premultiply_alpha: GLboolean, unpack_unmultiply_alpha: GLboolean, ); fn copy_sub_texture_3d_angle( &self, source_id: GLuint, source_level: GLint, dest_target: GLenum, dest_id: GLuint, dest_level: GLint, x_offset: GLint, y_offset: GLint, z_offset: GLint, x: GLint, y: GLint, z: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, unpack_flip_y: GLboolean, unpack_premultiply_alpha: GLboolean, unpack_unmultiply_alpha: GLboolean, ); fn buffer_storage( &self, target: GLenum, size: GLsizeiptr, data: *const GLvoid, flags: GLbitfield, ); fn flush_mapped_buffer_range(&self, target: GLenum, offset: GLintptr, length: GLsizeiptr); fn start_tiling_qcom(&self, x: GLuint, y: GLuint, width: GLuint, height: GLuint, preserve_mask: GLbitfield); fn end_tiling_qcom(&self, preserve_mask: GLbitfield); } //#[deprecated(since = "0.6.11", note = "use ErrorReactingGl instead")] pub struct ErrorCheckingGl { gl: Rc, } impl ErrorCheckingGl { pub fn wrap(fns: Rc) -> Rc { Rc::new(ErrorCheckingGl { gl: fns }) as Rc } } /// A wrapper around GL context that calls a specified callback on each GL error. pub struct ErrorReactingGl { gl: Rc, callback: F, } impl ErrorReactingGl { pub fn wrap(fns: Rc, callback: F) -> Rc { Rc::new(ErrorReactingGl { gl: fns, callback }) as Rc } } /// A wrapper around GL context that times each call and invokes the callback /// if the call takes longer than the threshold. pub struct ProfilingGl { gl: Rc, threshold: Duration, callback: F, } impl ProfilingGl { pub fn wrap(fns: Rc, threshold: Duration, callback: F) -> Rc { Rc::new(ProfilingGl { gl: fns, threshold, callback, }) as Rc } } #[inline] pub fn buffer_data(gl_: &dyn Gl, target: GLenum, data: &[T], usage: GLenum) { gl_.buffer_data_untyped( target, (data.len() * size_of::()) as GLsizeiptr, data.as_ptr() as *const GLvoid, usage, ) } #[inline] pub fn buffer_data_raw(gl_: &dyn Gl, target: GLenum, data: &T, usage: GLenum) { gl_.buffer_data_untyped( target, size_of::() as GLsizeiptr, data as *const T as *const GLvoid, usage, ) } #[inline] pub fn buffer_sub_data(gl_: &dyn Gl, target: GLenum, offset: isize, data: &[T]) { gl_.buffer_sub_data_untyped( target, offset, (data.len() * size_of::()) as GLsizeiptr, data.as_ptr() as *const GLvoid, ); } include!("gl_fns.rs"); include!("gles_fns.rs");