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Frameskipping more aggressive (minor speedup, plz report any serious problems). Initial display list cache implementation, disabled for now. Various cleanup.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3952 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-08-09 11:03:58 +00:00
parent 95b39da7ca
commit 6003c9ecd2
13 changed files with 808 additions and 131 deletions
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59
Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda_ADPCM.cpp
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@ -18,33 +18,26 @@
#include "Common.h"
#include "UCode_Zelda.h"
void CUCode_Zelda::AFCdecodebuffer(const s16 *coef, const char *input, signed short *out, short *histp, short *hist2p, int type)
void CUCode_Zelda::AFCdecodebuffer(const s16 *coef, const char *src, signed short *out, short *histp, short *hist2p, int type)
{
short nibbles[16];
short hist = *histp;
short hist2 = *hist2p;
const char *src = input;
char *dst = (char*)out;
// First 2 nibbles are ADPCM scale etc.
short delta = 1 << (((*src) >> 4) & 0xf);
short idx = (*src) & 0xf;
src++;
short nibbles[16];
if (type == 9)
{
for (int i = 0; i < 16; i = i + 2) {
int j = (*src & 255) >> 4;
nibbles[i] = j;
j = *src & 255 & 15;
nibbles[i+1] = j;
for (int i = 0; i < 16; i += 2)
{
nibbles[i + 0] = *src >> 4;
nibbles[i + 1] = *src & 15;
src++;
}
for (int i = 0; i < 16; i = i + 1) {
for (int i = 0; i < 16; i++) {
if (nibbles[i] >= 8)
nibbles[i] = nibbles[i] - 16;
nibbles[i] <<= 11;
}
}
else
@ -52,45 +45,33 @@ void CUCode_Zelda::AFCdecodebuffer(const s16 *coef, const char *input, signed sh
// In Pikmin, Dolphin's engine sound is using AFC 5bits, even though such a sound is hard
// to compare, it seems like to sound exactly like a real GC
DEBUG_LOG(DSPHLE, "5 bits AFC sample");
for (int i = 0; i < 16; i += 4)
{
int j = (*src >> 0) & 0x02;
nibbles[i] = j;
j = (*src >> 2) & 0x02;
nibbles[i+1] = j;
j = (*src >> 4) & 0x02;
nibbles[i+2] = j;
j = (*src >> 6) & 0x02;
nibbles[i+3] = j;
nibbles[i + 0] = (*src >> 6) & 0x02;
nibbles[i + 1] = (*src >> 4) & 0x02;
nibbles[i + 2] = (*src >> 2) & 0x02;
nibbles[i + 3] = (*src >> 0) & 0x02;
src++;
}
for (int i = 0; i < 16; i++)
{
if (nibbles[i] >= 2)
nibbles[i] = nibbles[i] - 4;
nibbles[i] <<= 13;
}
}
short hist = *histp;
short hist2 = *hist2p;
for (int i = 0; i < 16; i++)
{
int sample = (delta * nibbles[i]) << 11;
sample += ((long)hist * coef[idx * 2]) + ((long)hist2 * coef[idx * 2 + 1]);
sample = sample >> 11;
if (sample > 32767) {
int sample = delta * nibbles[i] + ((long)hist * coef[idx * 2]) + ((long)hist2 * coef[idx * 2 + 1]);
sample >>= 11;
if (sample > 32767)
sample = 32767;
}
if (sample < -32768) {
if (sample < -32768)
sample = -32768;
}
*(short*)dst = (short)sample;
dst = dst + 2;
out[i] = sample;
hist2 = hist;
hist = (short)sample;
}