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Switch to GPU rendering.

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This uses shared GL contexts and FBO rendered textures.
This commit is contained in:
Jack Moffitt 2013-06-14 13:34:53 -06:00
parent 7278d4867d
commit 4133435971
5 changed files with 53 additions and 82 deletions
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12
src/components/gfx/render_task.rs
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@ -4,7 +4,7 @@
// The task that handles all rendering/painting.
use azure::AzFloat;
use azure::{AzFloat, AzGLContext};
use compositor::{Compositor, IdleRenderState, RenderingRenderState};
use font_context::FontContext;
use geom::matrix2d::Matrix2D;
@ -16,6 +16,7 @@ use core::cell::Cell;
use core::comm::{Chan, Port, SharedChan};
use core::task::SingleThreaded;
use std::task_pool::TaskPool;
use servo_net::util::spawn_listener;
use servo_util::time::{ProfilerChan, profile};
@ -43,6 +44,7 @@ impl RenderTask {
do spawn {
let compositor = compositor_cell.take();
let share_gl_context = compositor.get_gl_context();
// FIXME: Annoying three-cell dance here. We need one-shot closures.
let opts = opts_cell.with_ref(|o| copy *o);
@ -77,6 +79,7 @@ impl RenderTask {
thread_pool: thread_pool,
opts: opts_cell.take(),
profiler_chan: profiler_chan_copy,
share_gl_context: share_gl_context,
};
renderer.start();
@ -103,6 +106,8 @@ priv struct Renderer<C> {
/// A channel to the profiler.
profiler_chan: ProfilerChan,
share_gl_context: AzGLContext,
}
impl<C: Compositor + Owned> Renderer<C> {
@ -126,7 +131,8 @@ impl<C: Compositor + Owned> Renderer<C> {
do profile(time::RenderingCategory, self.profiler_chan.clone()) {
let layer_buffer_set = do render_layers(&render_layer,
&self.opts,
self.profiler_chan.clone()) |render_layer_ref,
self.profiler_chan.clone(),
self.share_gl_context) |render_layer_ref,
layer_buffer,
buffer_chan| {
let layer_buffer_cell = Cell(layer_buffer);
@ -147,7 +153,6 @@ impl<C: Compositor + Owned> Renderer<C> {
let matrix = matrix.translate(-(layer_buffer.rect.origin.x as f32) as AzFloat,
-(layer_buffer.rect.origin.y as f32) as AzFloat);
layer_buffer.draw_target.set_transform(&matrix);
// Clear the buffer.
@ -160,6 +165,7 @@ impl<C: Compositor + Owned> Renderer<C> {
};
render_layer.display_list.draw_into_context(&ctx);
ctx.canvas.draw_target.flush();
}
// Send back the buffer.