90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/*
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* Copyright (c) 2019 Andri Yngvason
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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#include <GLES2/gl2.h>
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#include <EGL/egl.h>
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#include <unistd.h>
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#include <wayland-client.h>
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struct dmabuf_frame;
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struct output;
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enum renderer_input_type {
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RENDERER_INPUT_FB,
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RENDERER_INPUT_DMABUF,
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};
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struct renderer_fbo {
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GLuint rbo;
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GLuint fbo;
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GLuint tex;
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};
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struct renderer {
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EGLDisplay display;
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EGLContext context;
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const struct output* output;
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GLint read_format;
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GLint read_type;
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struct renderer_fbo frame_fbo;
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struct renderer_fbo damage_fbo;
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GLuint tex[2];
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int tex_index;
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GLenum tex_target;
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struct {
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GLuint program;
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GLint u_tex0;
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GLint u_tex1;
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GLint u_proj;
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} frame_shader;
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struct {
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GLuint program;
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GLint u_tex0;
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GLint u_tex1;
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GLint u_proj;
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} damage_shader;
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};
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int renderer_init(struct renderer* self, const struct output* output,
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enum renderer_input_type input_type);
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void renderer_destroy(struct renderer* self);
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int renderer_import_dmabuf_frame(struct renderer* self, GLuint tex,
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struct dmabuf_frame* frame);
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int renderer_import_framebuffer(struct renderer* self, GLuint tex,
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const void* addr, uint32_t format,
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uint32_t width, uint32_t height,
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uint32_t stride);
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/* Copy a horizontal stripe from the GL frame into a pixel buffer */
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void render_copy_pixels(struct renderer* self, void* dst, uint32_t y,
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uint32_t height);
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GLuint renderer_next_tex(struct renderer* self);
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GLuint renderer_last_tex(const struct renderer* self);
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void render(struct renderer* self);
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void render_damage(struct renderer* self);
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