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first (rough) working implementation of Filament-GLES-D3D-ANGLE

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This commit is contained in:
Nick Fisher
2023-09-29 01:11:07 +10:00
parent afd761e396
commit cfa8e8edb4
26 changed files with 5207 additions and 621 deletions
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2
windows/include/GLES3/.clang-format Normal file
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DisableFormat: true
SortIncludes: false

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windows/include/GLES3/gl3.h Normal file
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windows/include/GLES3/gl31.h Normal file
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windows/include/GLES3/gl3platform.h Normal file
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#ifndef __gl3platform_h_
#define __gl3platform_h_
/*
** Copyright 2017-2020 The Khronos Group Inc.
** SPDX-License-Identifier: Apache-2.0
*/
/* Platform-specific types and definitions for OpenGL ES 3.X gl3.h
*
* Adopters may modify khrplatform.h and this file to suit their platform.
* Please contribute modifications back to Khronos as pull requests on the
* public github repository:
* https://github.com/KhronosGroup/OpenGL-Registry
*/
#include <KHR/khrplatform.h>
#ifndef GL_APICALL
#define GL_APICALL KHRONOS_APICALL
#endif
#ifndef GL_APIENTRY
#define GL_APIENTRY KHRONOS_APIENTRY
#endif
#endif /* __gl3platform_h_ */

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windows/include/NullGLES.h Normal file
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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef TNT_FILAMENT_BACKEND_OPENGL_NULLGLES_H
#define TNT_FILAMENT_BACKEND_OPENGL_NULLGLES_H
/*
* This is used for debugging (stubbing out GLES calls)
*
* Simply uncomment the line
* using namespace nullgles;
*
* below.
*
*/
namespace filament::backend {
namespace nullgles {
inline void glScissor(GLint, GLint, GLsizei, GLsizei) { }
inline void glViewport(GLint, GLint, GLsizei, GLsizei) { }
inline void glDepthRangef(GLfloat, GLfloat) { }
inline void glClearColor(GLfloat, GLfloat, GLfloat, GLfloat) { }
inline void glClearStencil(GLint) { }
inline void glClearDepthf(GLfloat) { }
inline void glBindBufferBase(GLenum, GLuint, GLuint) { }
inline void glBindVertexArray (GLuint) { }
inline void glBindTexture (GLenum, GLuint) { }
inline void glBindBuffer (GLenum, GLuint) { }
inline void glBindFramebuffer (GLenum, GLuint) { }
inline void glBindRenderbuffer (GLenum, GLuint) { }
inline void glUseProgram (GLuint) { }
inline void glBufferData(GLenum, GLsizeiptr, const void *, GLenum) { }
inline void glBufferSubData(GLenum, GLintptr, GLsizeiptr, const void *) { }
inline void glCompressedTexSubImage2D(GLenum, GLint, GLint, GLint, GLsizei, GLsizei, GLenum, GLsizei, const void *) { }
inline void glTexSubImage2D(GLenum, GLint, GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, const void *) { }
inline void glGenerateMipmap(GLenum) { }
inline void glVertexAttribPointer(GLuint, GLint, GLenum, GLboolean, GLsizei, const void *) { }
inline void glDisableVertexAttribArray (GLuint) { }
inline void glEnableVertexAttribArray (GLuint) { }
inline void glDisable (GLenum cap) { }
inline void glEnable (GLenum cap) { }
inline void glCullFace (GLenum mode) { }
inline void glBlendFunc (GLenum, GLenum) { }
inline void glInvalidateFramebuffer (GLenum, GLsizei, const GLenum *) { }
inline void glInvalidateSubFramebuffer (GLenum, GLsizei, const GLenum *, GLint, GLint, GLsizei, GLsizei);
inline void glSamplerParameteri (GLuint, GLenum, GLint) { }
inline void glSamplerParameterf (GLuint, GLenum, GLfloat) { }
inline void glFramebufferRenderbuffer (GLenum, GLenum, GLenum, GLuint) { }
inline void glRenderbufferStorageMultisample (GLenum, GLsizei, GLenum, GLsizei, GLsizei) { }
inline void glRenderbufferStorage (GLenum, GLenum, GLsizei, GLsizei) { }
inline void glClear(GLbitfield) { }
inline void glDrawRangeElements(GLenum, GLuint, GLuint, GLsizei, GLenum, const void *) { }
inline void glBlitFramebuffer (GLint, GLint, GLint, GLint, GLint, GLint, GLint, GLint, GLbitfield, GLenum) { }
inline void glReadPixels (GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, void *) { }
inline GLenum glGetError() { return GL_NO_ERROR; }
} // namespace nullgles
// turn GLES calls defined above into no-ops
//using namespace nullgles;
} // namespace filament::backend
#endif // TNT_FILAMENT_BACKEND_OPENGL_NULLGLES_H

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windows/include/gl_headers.h Normal file
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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef TNT_FILAMENT_BACKEND_OPENGL_GL_HEADERS_H
#define TNT_FILAMENT_BACKEND_OPENGL_GL_HEADERS_H
/*
* Configuration we aim to support:
*
* GL 4.5 headers
* - GL 4.1 runtime (for macOS)
* - GL 4.5 runtime
*
* GLES 2.0 headers
* - GLES 2.0 runtime Android only
*
* GLES 3.0 headers
* - GLES 3.0 runtime iOS and WebGL2 only
*
* GLES 3.1 headers
* - GLES 2.0 runtime
* - GLES 3.0 runtime
* - GLES 3.1 runtime
*/
#if defined(__ANDROID__) || defined(FILAMENT_USE_EXTERNAL_GLES3) || defined(__EMSCRIPTEN__)
#if defined(__EMSCRIPTEN__)
# include <GLES3/gl3.h>
#else
# include <GLES3/gl31.h>
#endif
#include <GLES2/gl2ext.h>
#elif defined(IOS)
#define GLES_SILENCE_DEPRECATION
#include <OpenGLES/ES3/gl.h>
#include <OpenGLES/ES3/glext.h>
#else
// bluegl exposes symbols prefixed with bluegl_ to avoid clashing with clients that also link
// against GL.
// This header re-defines GL function names with the bluegl_ prefix.
// For example:
// #define glFunction bluegl_glFunction
// This header must come before <bluegl/BlueGL.h>.
#include <bluegl/BlueGLDefines.h>
#include <bluegl/BlueGL.h>
#endif
/* Validate the header configurations we aim to support */
#if defined(GL_VERSION_4_5)
#elif defined(GL_ES_VERSION_3_1)
#elif defined(GL_ES_VERSION_3_0)
# if !defined(IOS) && !defined(__EMSCRIPTEN__)
# error "GLES 3.0 headers only supported on iOS and WebGL2"
# endif
#elif defined(GL_ES_VERSION_2_0)
# if !defined(__ANDROID__)
# error "GLES 2.0 headers only supported on Android"
# endif
#else
# error "Minimum header version must be OpenGL ES 2.0 or OpenGL 4.5"
#endif
/*
* GLES extensions
*/
#if defined(GL_ES_VERSION_2_0) // this basically means all versions of GLES
#if defined(IOS)
// iOS headers only provide prototypes, nothing to do.
#else
#define FILAMENT_IMPORT_ENTRY_POINTS
/* The Android NDK doesn't expose extensions, fake it with eglGetProcAddress */
namespace glext {
// importGLESExtensionsEntryPoints is thread-safe and can be called multiple times.
// it is currently called from PlatformEGL.
void importGLESExtensionsEntryPoints();
#ifdef GL_OES_EGL_image
extern PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
#endif
#ifdef GL_EXT_debug_marker
extern PFNGLINSERTEVENTMARKEREXTPROC glInsertEventMarkerEXT;
extern PFNGLPUSHGROUPMARKEREXTPROC glPushGroupMarkerEXT;
extern PFNGLPOPGROUPMARKEREXTPROC glPopGroupMarkerEXT;
#endif
#ifdef GL_EXT_multisampled_render_to_texture
extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT;
extern PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEEXTPROC glFramebufferTexture2DMultisampleEXT;
#endif
#ifdef GL_KHR_debug
extern PFNGLDEBUGMESSAGECALLBACKKHRPROC glDebugMessageCallbackKHR;
extern PFNGLGETDEBUGMESSAGELOGKHRPROC glGetDebugMessageLogKHR;
#endif
#ifdef GL_EXT_clip_control
extern PFNGLCLIPCONTROLEXTPROC glClipControlEXT;
#endif
#ifdef GL_EXT_disjoint_timer_query
extern PFNGLGETQUERYOBJECTUI64VEXTPROC glGetQueryObjectui64v;
#endif
#if defined(__ANDROID__)
extern PFNGLDISPATCHCOMPUTEPROC glDispatchCompute;
#endif
} // namespace glext
using namespace glext;
#endif
// Prevent lots of #ifdef's between desktop and mobile
#ifdef GL_EXT_disjoint_timer_query
# define GL_TIME_ELAPSED GL_TIME_ELAPSED_EXT
#endif
#ifdef GL_EXT_clip_control
# define GL_LOWER_LEFT GL_LOWER_LEFT_EXT
# define GL_ZERO_TO_ONE GL_ZERO_TO_ONE_EXT
#endif
// we need GL_TEXTURE_CUBE_MAP_ARRAY defined, but we won't use it if the extension/feature
// is not available.
#if defined(GL_EXT_texture_cube_map_array)
# define GL_TEXTURE_CUBE_MAP_ARRAY GL_TEXTURE_CUBE_MAP_ARRAY_EXT
#else
# define GL_TEXTURE_CUBE_MAP_ARRAY 0x9009
#endif
#if defined(GL_KHR_debug)
# define GL_DEBUG_OUTPUT GL_DEBUG_OUTPUT_KHR
# define GL_DEBUG_OUTPUT_SYNCHRONOUS GL_DEBUG_OUTPUT_SYNCHRONOUS_KHR
# define GL_DEBUG_SEVERITY_HIGH GL_DEBUG_SEVERITY_HIGH_KHR
# define GL_DEBUG_SEVERITY_MEDIUM GL_DEBUG_SEVERITY_MEDIUM_KHR
# define GL_DEBUG_SEVERITY_LOW GL_DEBUG_SEVERITY_LOW_KHR
# define GL_DEBUG_SEVERITY_NOTIFICATION GL_DEBUG_SEVERITY_NOTIFICATION_KHR
# define GL_DEBUG_TYPE_MARKER GL_DEBUG_TYPE_MARKER_KHR
# define GL_DEBUG_TYPE_ERROR GL_DEBUG_TYPE_ERROR_KHR
# define GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_KHR
# define GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_KHR
# define GL_DEBUG_TYPE_PORTABILITY GL_DEBUG_TYPE_PORTABILITY_KHR
# define GL_DEBUG_TYPE_PERFORMANCE GL_DEBUG_TYPE_PERFORMANCE_KHR
# define GL_DEBUG_TYPE_OTHER GL_DEBUG_TYPE_OTHER_KHR
# define glDebugMessageCallback glDebugMessageCallbackKHR
#endif
#endif // GL_ES_VERSION_2_0
// This is just to simplify the implementation (i.e. so we don't have to have #ifdefs everywhere)
#ifndef GL_OES_EGL_image_external
#define GL_TEXTURE_EXTERNAL_OES 0x8D65
#endif
// This is an odd duck function that exists in WebGL 2.0 but not in OpenGL ES.
#if defined(__EMSCRIPTEN__)
extern "C" {
void glGetBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, void *data);
}
#endif
#if defined(GL_ES_VERSION_2_0)
# define BACKEND_OPENGL_VERSION_GLES
#elif defined(GL_VERSION_4_5)
# define BACKEND_OPENGL_VERSION_GL
#else
# error "Unsupported header version"
#endif
#if defined(GL_VERSION_4_5) || defined(GL_ES_VERSION_3_1)
# define BACKEND_OPENGL_LEVEL_GLES31
# ifdef __EMSCRIPTEN__
# error "__EMSCRIPTEN__ shouldn't be defined with GLES 3.1 headers"
# endif
#endif
#if defined(GL_VERSION_4_5) || defined(GL_ES_VERSION_3_0)
# define BACKEND_OPENGL_LEVEL_GLES30
#endif
#if defined(GL_VERSION_4_5) || defined(GL_ES_VERSION_2_0)
# define BACKEND_OPENGL_LEVEL_GLES20
#endif
#include "NullGLES.h"
#endif // TNT_FILAMENT_BACKEND_OPENGL_GL_HEADERS_H