dan/TIC-80-guile
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

blit api performance optimization

Browse Source
This commit is contained in:
BADIM-PC\Vadim
2017-11-17 23:37:37 +03:00
parent c3bea5fd4b
commit f27394249e
3 changed files with 36 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
src/tic.c
View File

@@ -1647,27 +1647,21 @@ static void api_blit(tic_mem* tic, u32* out, tic_scanline scanline)
memset4(&out[0 * TIC80_FULLWIDTH], pal[tic->ram.vram.vars.border], TIC80_FULLWIDTH*Top); memset4(&out[0 * TIC80_FULLWIDTH], pal[tic->ram.vram.vars.border], TIC80_FULLWIDTH*Top);
for(s32 r = 0; r < TIC80_HEIGHT; r++) u32* rowPtr = out + Top*TIC80_FULLWIDTH;
for(s32 r = 0, y = tic->ram.vram.vars.offset.y; r < TIC80_HEIGHT; r++, y++, rowPtr += TIC80_FULLWIDTH)
{ {
memset4(&out[(r+Top) * TIC80_FULLWIDTH], pal[tic->ram.vram.vars.border], Left); memset4(rowPtr, pal[tic->ram.vram.vars.border], Left);
memset4(&out[(r+Top) * TIC80_FULLWIDTH + Left], pal[tic->ram.vram.vars.bg], TIC80_WIDTH); memset4(rowPtr + Left, pal[tic->ram.vram.vars.bg], TIC80_WIDTH);
{ u32* colPtr = rowPtr + Left;
s32 y = r + tic->ram.vram.vars.offset.y;
if(y < 0 || y >= TIC80_HEIGHT) continue; if(y >= 0 && y < TIC80_HEIGHT)
for(s32 c = 0, x = tic->ram.vram.vars.offset.x, index = y * TIC80_WIDTH + x; c < TIC80_WIDTH; c++, colPtr++, x++, index++)
if(x >= 0 && x < TIC80_WIDTH)
*colPtr = pal[tic_tool_peek4(tic->ram.vram.screen.data, index)];
for(s32 c = 0; c < TIC80_WIDTH; c++) memset4(rowPtr + (TIC80_FULLWIDTH-Right), pal[tic->ram.vram.vars.border], Right);
{
s32 x = c + tic->ram.vram.vars.offset.x;
if(x < 0 || x >= TIC80_WIDTH) continue;
out[(c + Left) + (r+Top) * TIC80_FULLWIDTH] = pal[tic_tool_peek4(tic->ram.vram.screen.data, x + y * TIC80_WIDTH)];
}
}
memset4(&out[(r+Top) * TIC80_FULLWIDTH + (TIC80_FULLWIDTH-Right)], pal[tic->ram.vram.vars.border], Right);
if(scanline && (r < TIC80_HEIGHT-1)) if(scanline && (r < TIC80_HEIGHT-1))
{ {

24
src/tools.c
View File

@@ -25,28 +25,8 @@
#include <string.h> #include <string.h>
void tic_tool_poke4(void* addr, u32 index, u8 value) extern void tic_tool_poke4(void* addr, u32 index, u8 value);
{ extern u8 tic_tool_peek4(const void* addr, u32 index);
u8* val = (u8*)addr + (index >> 1);
if(index & 1)
{
*val &= 0x0f;
*val |= (value << 4);
}
else
{
*val &= 0xf0;
*val |= value & 0x0f;
}
}
u8 tic_tool_peek4(const void* addr, u32 index)
{
u8 val = ((u8*)addr)[index >> 1];
return index & 1 ? val >> 4 : val & 0xf;
}
s32 tic_tool_get_pattern_id(const tic_track* track, s32 frame, s32 channel) s32 tic_tool_get_pattern_id(const tic_track* track, s32 frame, s32 channel)
{ {

25
src/tools.h
View File

@@ -24,8 +24,29 @@
#include "tic.h" #include "tic.h"
void tic_tool_poke4(void* addr, u32 index, u8 value); inline void tic_tool_poke4(void* addr, u32 index, u8 value)
u8 tic_tool_peek4(const void* addr, u32 index); {
u8* val = (u8*)addr + (index >> 1);
if(index & 1)
{
*val &= 0x0f;
*val |= (value << 4);
}
else
{
*val &= 0xf0;
*val |= value & 0x0f;
}
}
inline u8 tic_tool_peek4(const void* addr, u32 index)
{
u8 val = ((u8*)addr)[index >> 1];
return index & 1 ? val >> 4 : val & 0xf;
}
bool tic_tool_parse_note(const char* noteStr, s32* note, s32* octave); bool tic_tool_parse_note(const char* noteStr, s32* note, s32* octave);
s32 tic_tool_get_pattern_id(const tic_track* track, s32 frame, s32 channel); s32 tic_tool_get_pattern_id(const tic_track* track, s32 frame, s32 channel);
void tic_tool_set_pattern_id(tic_track* track, s32 frame, s32 channel, s32 id); void tic_tool_set_pattern_id(tic_track* track, s32 frame, s32 channel, s32 id);