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-rw-r--r--backends/platform/ds/arm9/source/blitters.cpp79
1 files changed, 32 insertions, 47 deletions
diff --git a/backends/platform/ds/arm9/source/blitters.cpp b/backends/platform/ds/arm9/source/blitters.cpp
index 07c6b3fee1..5d29672ef6 100644
--- a/backends/platform/ds/arm9/source/blitters.cpp
+++ b/backends/platform/ds/arm9/source/blitters.cpp
@@ -8,15 +8,18 @@
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
*
*/
@@ -27,13 +30,13 @@
namespace DS {
-void asmDrawStripToScreen(int height, int width, byte const* text, byte const* src, byte* dst,
+void asmDrawStripToScreen(int height, int width, byte const *text, byte const *src, byte *dst,
int vsPitch, int vmScreenWidth, int textSurfacePitch) {
-
- if (height <= 0) height = 1;
- if (width < 4) return;
-
+ if (height <= 0)
+ height = 1;
+ if (width < 4)
+ return;
width &= ~4;
// src = (const byte *) (((int) (src)) & (~4));
@@ -111,7 +114,7 @@ void asmDrawStripToScreen(int height, int width, byte const* text, byte const* s
-void asmCopy8Col(byte* dst, int dstPitch, const byte* src, int height) {
+void asmCopy8Col(byte *dst, int dstPitch, const byte *src, int height) {
asm("ands r0, %3, #1\n"
"addne %3, %3, #1\n"
"bne roll2\n"
@@ -141,22 +144,19 @@ void asmCopy8Col(byte* dst, int dstPitch, const byte* src, int height) {
static bool isDivBy5Ready = false;
static u32 DIV_BY_5[160];
-void ComputeDivBy5TableIFN()
-{
+void ComputeDivBy5TableIFN() {
if (isDivBy5Ready)
return;
isDivBy5Ready = true;
- for (int i=0; i<160; ++i)
- {
+ for (int i = 0; i < 160; ++i) {
DIV_BY_5[i] = (2*i+5)/10;
}
}
#ifdef PERFECT_5_TO_4_RESCALING
static inline void RescaleBlock_5x1555_To_4x1555( u16 s0, u16 s1, u16 s2, u16 s3, u16 s4,
- u16* dest)
-{
+ u16 *dest) {
u32 bs0 = s0 & 0x1F;
u32 bs1 = s1 & 0x1F;
u32 bs2 = s2 & 0x1F;
@@ -230,8 +230,7 @@ static inline void RescaleBlock_5x1555_To_4x1555( u16 s0, u16 s1, u16 s2, u16 s3
}
#else
static inline void RescaleBlock_5x1555_To_4x1555( u16 s0, u16 s1, u16 s2, u16 s3, u16 s4,
- u16* dest)
-{
+ u16 *dest) {
static const u32 MASK = 0x03E07C1F;
u32 argbargbs0 = u32(s0) | (u32(s0) << 16);
@@ -279,8 +278,7 @@ static inline void RescaleBlock_5x1555_To_4x1555( u16 s0, u16 s1, u16 s2, u16 s3
#endif
static inline void RescaleBlock_5x8888_To_4x1555( u32 s0, u32 s1, u32 s2, u32 s3, u32 s4,
- u16* dest)
-{
+ u16 *dest) {
u32 d0 = 4*s0 + s1;
u32 d1 = 2*s1 + s1 + 2*s2;
@@ -317,12 +315,10 @@ static inline void RescaleBlock_5x8888_To_4x1555( u32 s0, u32 s1, u32 s2, u32 s3
// Can't work in place
#ifdef PERFECT_5_TO_4_RESCALING
-static inline void Rescale_320xPAL8Scanline_To_256x1555Scanline(u16* dest, const u8* src, const u32* palette)
-{
+static inline void Rescale_320xPAL8Scanline_To_256x1555Scanline(u16 *dest, const u8 *src, const u32 *palette) {
ComputeDivBy5TableIFN();
- for (size_t i=0; i<64; ++i)
- {
+ for (size_t i = 0; i < 64; ++i) {
u32 s0 = palette[src[5*i+0]];
u32 s1 = palette[src[5*i+1]];
u32 s2 = palette[src[5*i+2]];
@@ -333,10 +329,8 @@ static inline void Rescale_320xPAL8Scanline_To_256x1555Scanline(u16* dest, const
}
}
#else
-static inline void Rescale_320xPAL8Scanline_To_256x1555Scanline(u16* dest, const u8* src, const u16* palette)
-{
- for (size_t i=0; i<64; ++i)
- {
+static inline void Rescale_320xPAL8Scanline_To_256x1555Scanline(u16 *dest, const u8 *src, const u16 *palette) {
+ for (size_t i = 0; i < 64; ++i) {
u16 s0 = palette[src[5*i+0]];
u16 s1 = palette[src[5*i+1]];
u16 s2 = palette[src[5*i+2]];
@@ -350,12 +344,10 @@ static inline void Rescale_320xPAL8Scanline_To_256x1555Scanline(u16* dest, const
// Can work in place, because it's a contraction
-static inline void Rescale_320x1555Scanline_To_256x1555Scanline(u16* dest, const u16* src)
-{
+static inline void Rescale_320x1555Scanline_To_256x1555Scanline(u16 *dest, const u16 *src) {
ComputeDivBy5TableIFN();
- for (size_t i=0; i<64; ++i)
- {
+ for (size_t i = 0; i < 64; ++i) {
u16 s0 = src[5*i+0];
u16 s1 = src[5*i+1];
u16 s2 = src[5*i+2];
@@ -367,13 +359,11 @@ static inline void Rescale_320x1555Scanline_To_256x1555Scanline(u16* dest, const
}
#ifdef PERFECT_5_TO_4_RESCALING
-void Rescale_320x256xPAL8_To_256x256x1555(u16* dest, const u8* src, int destStride, int srcStride, const u16* palette)
-{
+void Rescale_320x256xPAL8_To_256x256x1555(u16 *dest, const u8 *src, int destStride, int srcStride, const u16 *palette) {
u32 fastRam[768];
// Palette lookup -> 0_888
- for (size_t i=0; i<256; ++i)
- {
+ for (size_t i = 0; i < 256; ++i) {
u32 col = palette[i];
u32 result = col & 0x0000001F;
result |= (col << 3) & 0x00001F00;
@@ -382,31 +372,26 @@ void Rescale_320x256xPAL8_To_256x256x1555(u16* dest, const u8* src, int destStri
fastRam[i] = result;
}
- for (size_t i=0; i<200; ++i)
- {
+ for (size_t i = 0; i < 200; ++i) {
Rescale_320xPAL8Scanline_To_256x1555Scanline(dest + i*destStride, src + i *srcStride, fastRam);
}
}
#else
-void Rescale_320x256xPAL8_To_256x256x1555(u16* dest, const u8* src, int destStride, int srcStride, const u16* palette)
-{
+void Rescale_320x256xPAL8_To_256x256x1555(u16 *dest, const u8 *src, int destStride, int srcStride, const u16 *palette) {
u16 fastRam[256];
- for (size_t i=0; i<128; ++i)
+ for (size_t i = 0; i < 128; ++i)
((u32*)fastRam)[i] = ((const u32*)palette)[i];
- for (size_t i=0; i<200; ++i)
- {
+ for (size_t i = 0; i < 200; ++i) {
Rescale_320xPAL8Scanline_To_256x1555Scanline(dest + i*destStride, src + i *srcStride, fastRam);
}
}
#endif
-void Rescale_320x256x1555_To_256x256x1555(u16* dest, const u16* src, int destStride, int srcStride)
-{
- for (size_t i=0; i<200; ++i)
- {
+void Rescale_320x256x1555_To_256x256x1555(u16 *dest, const u16 *src, int destStride, int srcStride) {
+ for (size_t i = 0; i < 200; ++i) {
Rescale_320x1555Scanline_To_256x1555Scanline(dest + i*destStride, src + i *srcStride);
}
}
-}
+} // End of namespace DS
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-02 09:43:57 +0000