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- Setup Contexts to pull more info from the GPU

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- Started outlining OpenGL implementation
This commit is contained in:
Medusa Slockbower
2025-07-28 21:06:52 -04:00
parent 7aafa4c9aa
commit 3d4ea4398a
11 changed files with 217 additions and 46 deletions
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6
include/fennec/platform/interface/gfxcontext.h
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@@ -32,6 +32,12 @@ public:
const uint64_t uuid;
virtual bool connected() = 0;
virtual int32_t get_version_major() = 0;
virtual int32_t get_version_minor() = 0;
virtual int32_t get_context_version() = 0;
virtual const cstring& get_context_name() = 0;
virtual bool check_extension(const cstring& ext) = 0;
virtual void make_current(gfxsurface* surface) = 0;
virtual ~gfxcontext() = default;

8
include/fennec/platform/opengl/egl/context.h
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@@ -32,6 +32,11 @@ public:
~eglcontext() override;
bool connected() override;
int32_t get_version_major() override { return _eglvmajor; }
int32_t get_version_minor() override { return _eglvminor; }
int32_t get_context_version() override { return _eglctype; }
const cstring& get_context_name() override;
bool check_extension(const cstring& ext) override;
void make_current(gfxsurface* surface) override;
@@ -39,7 +44,8 @@ private:
EGLDisplay _egldisplay;
EGLContext _eglcontext;
EGLConfig _eglconfig;
EGLint _eglvmajor, _eglvminor;
EGLint _eglvmajor, _eglvminor, _eglctype;
cstring _extensions;
void cleanup();
};

22
include/fennec/renderers/interface/renderer.h Normal file
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@@ -0,0 +1,22 @@
// =====================================================================================================================
// fennec, a free and open source game engine
// Copyright © 2025 Medusa Slockbower
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
// =====================================================================================================================
#ifndef FENNEC_RENDERERS_INTERFACE_RENDERER_H
#define FENNEC_RENDERERS_INTERFACE_RENDERER_H
#endif // FENNEC_RENDERERS_INTERFACE_RENDERER_H

34
include/fennec/renderers/opengl/fallback.h Normal file
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@@ -0,0 +1,34 @@
// =====================================================================================================================
// fennec, a free and open source game engine
// Copyright © 2025 Medusa Slockbower
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
// =====================================================================================================================
#ifndef FENNEC_RENDERERS_OPENGL_FALLBACK_H
#define FENNEC_RENDERERS_OPENGL_FALLBACK_H
/*
* This should be implemented using the OpenGL ES 3.2 profile
* https://registry.khronos.org/OpenGL/specs/es/3.2/es_spec_3.2.pdf
*
* Requires the following:
* OpenGL ES 3.2 / OpenGL 4.3 OR
* - EXT_texture_array
* - ARB_compute_shader
* - ARB_shader_image_load_store
* - ARB_texture_cube_map_array
*/
#endif // FENNEC_RENDERERS_OPENGL_FALLBACK_H

27
include/fennec/renderers/opengl/legacy.h Normal file
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@@ -0,0 +1,27 @@
// =====================================================================================================================
// fennec, a free and open source game engine
// Copyright © 2025 Medusa Slockbower
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
// =====================================================================================================================
#ifndef FENNEC_RENDERERS_OPENGL_LEGACY_H
#define FENNEC_RENDERERS_OPENGL_LEGACY_H
/*
* This should be implemented using the OpenGL ES 2.0 profile
* https://registry.khronos.org/OpenGL/specs/es/2.0/es_full_spec_2.0.pdf
*/
#endif // FENNEC_RENDERERS_OPENGL_LEGACY_H

34
include/fennec/renderers/opengl/modern.h Normal file
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@@ -0,0 +1,34 @@
// =====================================================================================================================
// fennec, a free and open source game engine
// Copyright © 2025 Medusa Slockbower
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
// =====================================================================================================================
#ifndef FENNEC_RENDERERS_OPENGL_MODERN_H
#define FENNEC_RENDERERS_OPENGL_MODERN_H
/*
*
* Requires the following:
* OpenGL 4.6 OR
* - ARB_shader_draw_parameters
* - ARB_multi_draw_indirect
* - EXT_texture_array
* - ARB_compute_shader
* - ARB_shader_image_load_store
* - ARB_texture_cube_map_array
*/
#endif // FENNEC_RENDERERS_OPENGL_MODERN_H