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-rw-r--r--graphics/module.mk3
-rw-r--r--graphics/scaler.cpp56
-rw-r--r--graphics/scaler.h3
-rwxr-xr-xgraphics/scaler/Normal2xARM.s171
4 files changed, 232 insertions, 1 deletions
diff --git a/graphics/module.mk b/graphics/module.mk
index 90659ce977..46ed564e1e 100644
--- a/graphics/module.mk
+++ b/graphics/module.mk
@@ -37,7 +37,8 @@ MODULE_OBJS += \
ifdef USE_ARM_SCALER_ASM
MODULE_OBJS += \
- scaler/scale2xARM.o
+ scaler/scale2xARM.o \
+ scaler/Normal2xARM.o
endif
ifndef DISABLE_HQ_SCALERS
diff --git a/graphics/scaler.cpp b/graphics/scaler.cpp
index 11767848ed..7620e5b107 100644
--- a/graphics/scaler.cpp
+++ b/graphics/scaler.cpp
@@ -187,6 +187,61 @@ void Normal1x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPit
}
#ifndef DISABLE_SCALERS
+#ifdef USE_ARM_SCALER_ASM
+extern "C" void Normal2xAspectMask(const uint8 *srcPtr,
+ uint32 srcPitch,
+ uint8 *dstPtr,
+ uint32 dstPitch,
+ int width,
+ int height,
+ uint32 mask);
+
+void Normal2xAspect(const uint8 *srcPtr,
+ uint32 srcPitch,
+ uint8 *dstPtr,
+ uint32 dstPitch,
+ int width,
+ int height)
+{
+ if (gBitFormat == 565)
+ {
+ Normal2xAspectMask(srcPtr,
+ srcPitch,
+ dstPtr,
+ dstPitch,
+ width,
+ height,
+ 0x07e0F81F);
+ }
+ else
+ {
+ Normal2xAspectMask(srcPtr,
+ srcPitch,
+ dstPtr,
+ dstPitch,
+ width,
+ height,
+ 0x03e07C1F);
+ }
+}
+
+extern "C" void Normal2xARM(const uint8 *srcPtr,
+ uint32 srcPitch,
+ uint8 *dstPtr,
+ uint32 dstPitch,
+ int width,
+ int height);
+
+void Normal2x(const uint8 *srcPtr,
+ uint32 srcPitch,
+ uint8 *dstPtr,
+ uint32 dstPitch,
+ int width,
+ int height)
+{
+ Normal2xARM(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
+}
+#else
/**
* Trivial nearest-neighbour 2x scaler.
*/
@@ -210,6 +265,7 @@ void Normal2x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPit
dstPtr += dstPitch << 1;
}
}
+#endif
/**
* Trivial nearest-neighbour 3x scaler.
diff --git a/graphics/scaler.h b/graphics/scaler.h
index 4cea9ee2fb..bdae161bd1 100644
--- a/graphics/scaler.h
+++ b/graphics/scaler.h
@@ -45,6 +45,9 @@ DECLARE_SCALER(AdvMame2x);
DECLARE_SCALER(AdvMame3x);
DECLARE_SCALER(Normal1x);
DECLARE_SCALER(Normal2x);
+#ifdef USE_ARM_SCALER_ASM
+DECLARE_SCALER(Normal2xAspect);
+#endif
DECLARE_SCALER(Normal3x);
DECLARE_SCALER(Normal1o5x);
DECLARE_SCALER(TV2x);
diff --git a/graphics/scaler/Normal2xARM.s b/graphics/scaler/Normal2xARM.s
new file mode 100755
index 0000000000..5de50d9c17
--- /dev/null
+++ b/graphics/scaler/Normal2xARM.s
@@ -0,0 +1,171 @@
+@ ScummVM Scumm Interpreter
+@ Copyright (C) 2009 The ScummVM project
+@
+@ This program is free software@ you can redistribute it and/or
+@ modify it under the terms of the GNU General Public License
+@ as published by the Free Software Foundation@ either version 2
+@ of the License, or (at your option) any later version.
+@
+@ This program is distributed in the hope that it will be useful,
+@ but WITHOUT ANY WARRANTY@ without even the implied warranty of
+@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+@ GNU General Public License for more details.
+@
+@ You should have received a copy of the GNU General Public License
+@ along with this program@ if not, write to the Free Software
+@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+@
+@ $URL$
+@ $Id$
+@
+@ @author Robin Watts (robin@wss.co.uk)
+
+ .text
+
+ .global Normal2xARM
+ .global Normal2xAspectMask
+
+
+ @ Assumes dst is aligned (so did the C)
+ @ Assumes 16bit (so did the C)
+Normal2xARM:
+ @ r0 = src
+ @ r1 = srcPitch
+ @ r2 = dst
+ @ r3 = dstPitch
+ @ r4 = w
+ @ r5 = h
+ STMFD r13!,{r4-r11,r14}
+ LDR r4, [r13,#4*9] @ r4 = w
+ LDR r5, [r13,#4*10] @ r5 = h
+ ADD r12,r2, r3
+ SUB r1, r1, r4, LSL #1
+ SUB r6, r3, r4, LSL #2
+ ADD r3, r3, r6
+yloop:
+ SUBS r14,r4, #4
+ BLT thin
+xloop:
+ LDRH r6, [r0], #2
+ LDRH r7, [r0], #2
+ LDRH r8, [r0], #2
+ LDRH r9, [r0], #2
+ ORR r6, r6, r6, LSL #16
+ ORR r7, r7, r7, LSL #16
+ ORR r8, r8, r8, LSL #16
+ ORR r9, r9, r9, LSL #16
+ STMIA r2!, {r6-r9}
+ STMIA r12!,{r6-r9}
+ SUBS r14,r14,#4
+ BGE xloop
+ ADDS r14,r14,#4
+ BNE thin
+ ADD r0, r0, r1
+ ADD r2, r2, r3
+ ADD r12,r12,r3
+ SUBS r5, r5, #1
+ BGT yloop
+
+ LDMFD r13!,{r4-r11,PC}
+thin:
+ LDRH r6, [r0], #2
+ ORR r6, r6, r6, LSL #16
+ STR r6, [r2], #4
+ STR r6, [r12],#4
+ SUBS r14,r14,#1
+ BGT thin
+ ADD r0, r0, r1
+ ADD r2, r2, r3
+ ADD r12,r12,r3
+ SUBS r5, r5, #1
+ BGT yloop
+
+ LDMFD r13!,{r4-r11,PC}
+
+
+ @ Horrid filter calculations
+ @ AAAAAAAAAAAABBBBBBBBBBBBCCCCCCCCCCCCDDDDDDDDDDDDEEEEEEEEEEEE
+ @ <-+-><-+-><-+-><-+-><-+-><-+-><-+-><-+-><-+-><-+-><-+-><-+->
+ @ Ideal: A,A,(A*2+B*3)/5,B,(B*4+C)/5,C,C,(C+D*4)/5,D,(D*3+E*2)/5,E,E
+ @ Actual: A,A,(A*3+B*5)/8,B,(B*7+C)/8,C,C,(C+D*7)/8,D,(D*5+E*3)/8,E,E
+
+ @ Assumes dst is aligned (so did the C)
+ @ Assumes 16bit (so did the C)
+Normal2xAspectMask:
+ @ r0 = src
+ @ r1 = srcPitch
+ @ r2 = dst
+ @ r3 = dstPitch
+ @ r4 = w
+ @ r5 = h
+ @ r12= mask
+ STMFD r13!,{r4-r11,r14}
+ LDR r4, [r13,#4*9] @ r4 = w
+ LDR r5, [r13,#4*10] @ r5 = h
+ LDR r12,[r13,#4*11] @ r12= mask
+ MOV r11,#2
+ SUB r11,r11,r1, LSL #2 @ r11= 2-srcPitch*4
+ MOV r14,#4
+ SUB r14,r14,r3, LSL #3
+ SUB r14,r14,r3, LSL #1
+ SUB r14,r14,r3 @ r14 = 4-dstPitch*11
+yloop_aspect:
+xloop_aspect:
+ LDRH r6, [r0], r1 @ r6 = A
+ LDRH r7, [r0], r1 @ r7 = B
+ LDRH r8, [r0], r1 @ r8 = C
+ LDRH r9, [r0], r1 @ r9 = D
+ LDRH r10,[r0], r11 @ r10= E
+ ORR r6, r6, r6, LSL #16 @ r6 = output 0, 1
+ ORR r7, r7, r7, LSL #16 @ r7 = output 3
+ ORR r8, r8, r8, LSL #16 @ r8 = output 5,6
+ ORR r9, r9, r9, LSL #16 @ r9 = output 8
+ ORR r10,r10,r10,LSL #16 @ r10= output 10, 11
+ STR r6, [r2], r3 @ output 0 (A)
+ STR r6, [r2], r3 @ output 1 (A)
+ AND r6, r6, r12 @ r6 = A split
+ ADD r6, r6, r6, LSL #1 @ r6 = A*3
+ STR r7, [r2, r3] @ output 3 (B)
+ AND r7, r7, r12 @ r7 = B split
+ ADD r6, r6, r7 @ r6 = A*3 + B
+ ADD r6, r6, r7, LSL #2 @ r6 = A*3 + B*5
+ AND r6, r12,r6, LSR #3 @ r6 = (A*3 + B*5)>>3
+ ORR r6, r6, r6, ROR #16 @ r6 = output 2
+ STR r6, [r2], r3, LSL #1 @ output 2 (A*3+B*5)>>3
+ RSB r7, r7, r7, LSL #3 @ r7 = B*7
+ AND r6, r8, r12 @ r6 = C split
+ ADD r7, r7, r6 @ r7 = B*7+C
+ AND r7, r12,r7, LSR #3 @ r7 = (B*7 + C)>>3
+ ORR r7, r7, r7, ROR #16 @ r7 = output 4
+ STR r7, [r2], r3 @ output 4 (B*7+C)>>3
+ STR r8, [r2], r3 @ output 5 (C)
+ STR r8, [r2], r3 @ output 6 (C)
+ STR r9, [r2, r3] @ output 8 (D)
+ AND r9, r9, r12 @ r9 = D split
+ RSB r7, r9, r9, LSL #3 @ r7 = D*7
+ ADD r6, r6, r7 @ r6 = C+D*7
+ AND r6, r12,r6, LSR #3 @ r6 = (C + D*7)>>3
+ ORR r6, r6, r6, ROR #16 @ r6 = output 7
+ STR r6, [r2], r3, LSL #1 @ output 7 (C+D*7)>>3
+ ADD r9, r9, r9, LSL #2 @ r9 = D*5
+ AND r6, r10,r12 @ r6 = E split
+ ADD r9, r9, r6 @ r9 = D*5+E
+ ADD r9, r9, r6, LSL #1 @ r9 = D*5+E*3
+ AND r9, r12,r9, LSR #3 @ r9 = (D*5 + E*3)>>3
+ ORR r9, r9, r9, ROR #16 @ r9 = output 9
+ STR r9, [r2], r3 @ output 9 (D*5+E*3)>>3
+ STR r10,[r2], r3 @ output 10 (E)
+ STR r10,[r2], r14 @ output 11 (E)
+ SUBS r4, r4, #1
+ BGT xloop_aspect
+ LDR r4, [r13,#4*9] @ r4 = w
+ ADD r0, r0, r1, LSL #2
+ ADD r0, r0, r1
+ SUB r0, r0, r4, LSL #1
+ ADD r2, r2, r3, LSL #3
+ ADD r2, r2, r3, LSL #2
+ SUB r2, r2, r4, LSL #2
+ SUBS r5, r5, #5
+ BGT yloop_aspect
+
+ LDMFD r13!,{r4-r11,PC}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 21:38:48 +0000