[PATCH spice-html5][1/2]quic: generalize QuicEncoder.prototype.decode_run

[Aric Stewart <aric@xxxxxxxxxxxxxxx>]

This series will have to go in after my previous serise

Signed-off-by: Aric Stewart <aric@xxxxxxxxxxxxxxx>
---
quic.js |   26 +++++++++++++-------------
1 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/quic.js b/quic.js
index 699820f..26a021f 100644
--- a/quic.js
+++ b/quic.js
@@ -775,7 +775,7 @@ QuicEncoder.prototype.quic_rgb32_uncompress_row_seg = function( prev_row, cur_ro
                        /* do run */
                        this.rgb_state.waitcnt = stopidx - i;
                        run_index = i;
-                        run_end = i + this.decode_run();
+                        run_end = i + this.decode_run(this.rgb_state);

                        for (; i < run_end; i++) {
                            var pixel = i * rgb32_pixel_size;
@@ -833,7 +833,7 @@ QuicEncoder.prototype.quic_rgb32_uncompress_row_seg = function( prev_row, cur_ro
                    /* do run */
                    this.rgb_state.waitcnt = stopidx - i;
                    run_index = i;
-                    run_end = i + this.decode_run();
+                    run_end = i + this.decode_run(this.rgb_state);

                    for (; i < run_end; i++) {
                        var pixel = i * rgb32_pixel_size;
@@ -875,7 +875,7 @@ QuicEncoder.prototype.quic_rgb32_uncompress_row_seg = function( prev_row, cur_ro
        }
}

-QuicEncoder.prototype.decode_run = function()
+QuicEncoder.prototype.decode_run = function(state)
{
    var runlen = 0;

@@ -885,11 +885,11 @@ QuicEncoder.prototype.decode_run = function()
        var temp = zeroLUT[x];

        for (hits = 1; hits <= temp; hits++) {
-            runlen += this.rgb_state.melcorder;
+            runlen += state.melcorder;

-            if (this.rgb_state.melcstate < 32) {
-                this.rgb_state.melclen = J[++this.rgb_state.melcstate];
-                this.rgb_state.melcorder = (1 << this.rgb_state.melclen);
+            if (state.melcstate < 32) {
+                state.melclen = J[++state.melcstate];
+                state.melcorder = (1 << state.melclen);
            }
        }
        if (temp != 8) {
@@ -900,14 +900,14 @@ QuicEncoder.prototype.decode_run = function()
        this.decode_eatbits(8);
    } while (true);

-    if (this.rgb_state.melclen) {
-        runlen += this.io_word >>> (32 - this.rgb_state.melclen);
-        this.decode_eatbits(this.rgb_state.melclen);
+    if (state.melclen) {
+        runlen += this.io_word >>> (32 - state.melclen);
+        this.decode_eatbits(state.melclen);
    }

-    if (this.rgb_state.melcstate) {
-        this.rgb_state.melclen = J[--this.rgb_state.melcstate];
-        this.rgb_state.melcorder = (1 << this.rgb_state.melclen);
+    if (state.melcstate) {
+        state.melclen = J[--state.melcstate];
+        state.melcorder = (1 << state.melclen);
    }

    return runlen;
--
1.7.7.5 (Apple Git-26)


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