Merge remote-tracking branch 'origin/released'

7 files changed, 126 insertions, 32 deletions

diff --git a/pixman/pixman/Makefile.am b/pixman/pixman/Makefile.am
index b376d9aeb..581b6f61e 100644
--- a/pixman/pixman/Makefile.am
+++ b/pixman/pixman/Makefile.am
@@ -72,6 +72,7 @@ libpixman_arm_simd_la_SOURCES = \
 	pixman-arm-common.h	\
 	pixman-arm-simd-asm.S   \
 	pixman-arm-simd-asm-scaled.S \
+	pixman-arm-asm.h	\
 	pixman-arm-simd-asm.h
 libpixman_1_la_LIBADD += libpixman-arm-simd.la
 
@@ -86,6 +87,7 @@ libpixman_arm_neon_la_SOURCES = \
         pixman-arm-common.h	\
         pixman-arm-neon-asm.S	\
 		pixman-arm-neon-asm-bilinear.S \
+        pixman-arm-asm.h	\
         pixman-arm-neon-asm.h
 libpixman_1_la_LIBADD += libpixman-arm-neon.la
 
diff --git a/pixman/pixman/pixman-arm-asm.h b/pixman/pixman/pixman-arm-asm.h
new file mode 100644
index 000000000..ee7854108
--- /dev/null
+++ b/pixman/pixman/pixman-arm-asm.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2008 Mozilla Corporation
+ * Copyright © 2010 Nokia Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Mozilla Corporation not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Mozilla Corporation makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ *
+ * Author:  Jeff Muizelaar (jeff@infidigm.net)
+ *
+ */
+
+/* Supplementary macro for setting function attributes */
+.macro pixman_asm_function fname
+	.func fname
+	.global fname
+#ifdef __ELF__
+	.hidden fname
+	.type fname, %function
+#endif
+fname:
+.endm
diff --git a/pixman/pixman/pixman-arm-neon-asm-bilinear.S b/pixman/pixman/pixman-arm-neon-asm-bilinear.S
index e37b5c298..0fd92d61c 100644
--- a/pixman/pixman/pixman-arm-neon-asm-bilinear.S
+++ b/pixman/pixman/pixman-arm-neon-asm-bilinear.S
@@ -65,23 +65,13 @@
 .p2align 2
 
 #include "pixman-private.h"
+#include "pixman-arm-asm.h"
 #include "pixman-arm-neon-asm.h"
 
 /*
  * Bilinear macros from pixman-arm-neon-asm.S
  */
 
-/* Supplementary macro for setting function attributes */
-.macro pixman_asm_function fname
-    .func fname
-    .global fname
-#ifdef __ELF__
-    .hidden fname
-    .type fname, %function
-#endif
-fname:
-.endm
-
 /*
  * Bilinear scaling support code which tries to provide pixel fetching, color
  * format conversion, and interpolation as separate macros which can be used
diff --git a/pixman/pixman/pixman-arm-neon-asm.S b/pixman/pixman/pixman-arm-neon-asm.S
index 187197dc3..7e949a38f 100644
--- a/pixman/pixman/pixman-arm-neon-asm.S
+++ b/pixman/pixman/pixman-arm-neon-asm.S
@@ -50,6 +50,7 @@
     .p2align 2
 
 #include "pixman-private.h"
+#include "pixman-arm-asm.h"
 #include "pixman-arm-neon-asm.h"
 
 /* Global configuration options and preferences */
@@ -2830,17 +2831,6 @@ generate_composite_function_nearest_scanline \
 
 /******************************************************************************/
 
-/* Supplementary macro for setting function attributes */
-.macro pixman_asm_function fname
-    .func fname
-    .global fname
-#ifdef __ELF__
-    .hidden fname
-    .type fname, %function
-#endif
-fname:
-.endm
-
 /*
  * Bilinear scaling support code which tries to provide pixel fetching, color
  * format conversion, and interpolation as separate macros which can be used
diff --git a/pixman/pixman/pixman-arm-simd-asm-scaled.S b/pixman/pixman/pixman-arm-simd-asm-scaled.S
index 711099548..e050292e0 100644
--- a/pixman/pixman/pixman-arm-simd-asm-scaled.S
+++ b/pixman/pixman/pixman-arm-simd-asm-scaled.S
@@ -37,16 +37,7 @@
 	.altmacro
 	.p2align 2
 
-/* Supplementary macro for setting function attributes */
-.macro pixman_asm_function fname
-	.func fname
-	.global fname
-#ifdef __ELF__
-	.hidden fname
-	.type fname, %function
-#endif
-fname:
-.endm
+#include "pixman-arm-asm.h"
 
 /*
  * Note: This code is only using armv5te instructions (not even armv6),
diff --git a/pixman/pixman/pixman-arm-simd-asm.S b/pixman/pixman/pixman-arm-simd-asm.S
index c20968879..dd6f78817 100644
--- a/pixman/pixman/pixman-arm-simd-asm.S
+++ b/pixman/pixman/pixman-arm-simd-asm.S
@@ -611,3 +611,81 @@ generate_composite_function \
 
 /******************************************************************************/
 
+.macro over_reverse_n_8888_init
+        ldr     SRC, [sp, #ARGS_STACK_OFFSET]
+        ldr     MASK, =0x00800080
+        /* Split source pixel into RB/AG parts */
+        uxtb16  STRIDE_S, SRC
+        uxtb16  STRIDE_M, SRC, ror #8
+        /* Set GE[3:0] to 0101 so SEL instructions do what we want */
+        uadd8   SCRATCH, MASK, MASK
+        line_saved_regs  STRIDE_D, ORIG_W
+.endm
+
+.macro over_reverse_n_8888_newline
+        mov     STRIDE_D, #0xFF
+.endm
+
+.macro over_reverse_n_8888_process_head  cond, numbytes, firstreg, unaligned_src, unaligned_mask, preload
+        pixld   , numbytes, firstreg, DST, 0
+.endm
+
+.macro over_reverse_n_8888_1pixel  d, is_only
+        teq     WK&d, #0
+        beq     8f       /* replace with source */
+        bics    ORIG_W, STRIDE_D, WK&d, lsr #24
+ .if is_only == 1
+        beq     49f      /* skip store */
+ .else
+        beq     9f       /* write same value back */
+ .endif
+        mla     SCRATCH, STRIDE_S, ORIG_W, MASK /* red/blue */
+        mla     ORIG_W, STRIDE_M, ORIG_W, MASK  /* alpha/green */
+        uxtab16 SCRATCH, SCRATCH, SCRATCH, ror #8
+        uxtab16 ORIG_W, ORIG_W, ORIG_W, ror #8
+        mov     SCRATCH, SCRATCH, ror #8
+        sel     ORIG_W, SCRATCH, ORIG_W
+        uqadd8  WK&d, WK&d, ORIG_W
+        b       9f
+8:      mov     WK&d, SRC
+9:
+.endm
+
+.macro over_reverse_n_8888_tail  numbytes, reg1, reg2, reg3, reg4
+ .if numbytes == 4
+        over_reverse_n_8888_1pixel  reg1, 1
+ .else
+        and     SCRATCH, WK&reg1, WK&reg2
+  .if numbytes == 16
+        and     SCRATCH, SCRATCH, WK&reg3
+        and     SCRATCH, SCRATCH, WK&reg4
+  .endif
+        mvns    SCRATCH, SCRATCH, asr #24
+        beq     49f /* skip store if all opaque */
+        over_reverse_n_8888_1pixel  reg1, 0
+        over_reverse_n_8888_1pixel  reg2, 0
+  .if numbytes == 16
+        over_reverse_n_8888_1pixel  reg3, 0
+        over_reverse_n_8888_1pixel  reg4, 0
+  .endif
+ .endif
+        pixst   , numbytes, reg1, DST
+49:
+.endm
+
+.macro over_reverse_n_8888_process_tail  cond, numbytes, firstreg
+        over_reverse_n_8888_tail  numbytes, firstreg, %(firstreg+1), %(firstreg+2), %(firstreg+3)
+.endm
+
+generate_composite_function \
+    pixman_composite_over_reverse_n_8888_asm_armv6, 0, 0, 32 \
+    FLAG_DST_READWRITE | FLAG_BRANCH_OVER | FLAG_PROCESS_CORRUPTS_PSR | FLAG_PROCESS_DOES_STORE | FLAG_SPILL_LINE_VARS | FLAG_PROCESS_CORRUPTS_SCRATCH, \
+    3, /* prefetch distance */ \
+    over_reverse_n_8888_init, \
+    over_reverse_n_8888_newline, \
+    nop_macro, /* cleanup */ \
+    over_reverse_n_8888_process_head, \
+    over_reverse_n_8888_process_tail
+
+/******************************************************************************/
+
diff --git a/pixman/pixman/pixman-arm-simd.c b/pixman/pixman/pixman-arm-simd.c
index af062e19d..8fbc4397d 100644
--- a/pixman/pixman/pixman-arm-simd.c
+++ b/pixman/pixman/pixman-arm-simd.c
@@ -47,6 +47,9 @@ PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, add_8_8,
 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, over_8888_8888,
                                    uint32_t, 1, uint32_t, 1)
 
+PIXMAN_ARM_BIND_FAST_PATH_N_DST (0, armv6, over_reverse_n_8888,
+                                 uint32_t, 1)
+
 PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, armv6, over_8888_n_8888,
                                      uint32_t, 1, uint32_t, 1)
 
@@ -225,6 +228,9 @@ static const pixman_fast_path_t arm_simd_fast_paths[] =
     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, a8b8g8r8, armv6_composite_over_8888_n_8888),
     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, x8b8g8r8, armv6_composite_over_8888_n_8888),
 
+    PIXMAN_STD_FAST_PATH (OVER_REVERSE, solid, null, a8r8g8b8, armv6_composite_over_reverse_n_8888),
+    PIXMAN_STD_FAST_PATH (OVER_REVERSE, solid, null, a8b8g8r8, armv6_composite_over_reverse_n_8888),
+
     PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, armv6_composite_add_8_8),
 
     PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8r8g8b8, armv6_composite_over_n_8_8888),