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render: load libEGL and libGLESv2 at runtime

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This commit is contained in:
Julian Orth 2024-02-22 21:14:40 +01:00
parent aa9ca29996
commit 0c82f02b26
15 changed files with 337 additions and 259 deletions
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27
src/gfx_apis/gl/renderer/framebuffer.rs
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@ -5,14 +5,11 @@ use {
gfx_apis::gl::{
gl::{
frame_buffer::GlFrameBuffer,
sys::{
glBindFramebuffer, glClear, glClearColor, glViewport, GL_COLOR_BUFFER_BIT,
GL_FRAMEBUFFER,
},
sys::{GL_COLOR_BUFFER_BIT, GL_FRAMEBUFFER},
},
renderer::context::GlRenderContext,
run_ops,
sys::{glBlendFunc, glFlush, glReadnPixels, GL_ONE, GL_ONE_MINUS_SRC_ALPHA},
sys::{GL_ONE, GL_ONE_MINUS_SRC_ALPHA},
},
theme::Color,
},
@ -46,12 +43,13 @@ impl Framebuffer {
format: &Format,
shm: &[Cell<u8>],
) {
let gles = self.ctx.ctx.dpy.gles;
let y = self.gl.height - y - height;
let _ = self.ctx.ctx.with_current(|| {
unsafe {
glBindFramebuffer(GL_FRAMEBUFFER, self.gl.fbo);
glViewport(0, 0, self.gl.width, self.gl.height);
glReadnPixels(
(gles.glBindFramebuffer)(GL_FRAMEBUFFER, self.gl.fbo);
(gles.glViewport)(0, 0, self.gl.width, self.gl.height);
(gles.glReadnPixels)(
x,
y,
width,
@ -67,19 +65,20 @@ impl Framebuffer {
}
pub fn render(&self, ops: Vec<GfxApiOpt>, clear: Option<&Color>) {
let gles = self.ctx.ctx.dpy.gles;
let _ = self.ctx.ctx.with_current(|| {
unsafe {
glBindFramebuffer(GL_FRAMEBUFFER, self.gl.fbo);
glViewport(0, 0, self.gl.width, self.gl.height);
(gles.glBindFramebuffer)(GL_FRAMEBUFFER, self.gl.fbo);
(gles.glViewport)(0, 0, self.gl.width, self.gl.height);
if let Some(c) = clear {
glClearColor(c.r, c.g, c.b, c.a);
glClear(GL_COLOR_BUFFER_BIT);
(gles.glClearColor)(c.r, c.g, c.b, c.a);
(gles.glClear)(GL_COLOR_BUFFER_BIT);
}
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
(gles.glBlendFunc)(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
run_ops(self, &ops);
unsafe {
glFlush();
(gles.glFlush)();
}
Ok(())
});