From 02ee7e24fce76dfc6e37d6b85921ec82f97464bc Mon Sep 17 00:00:00 2001 From: notaz Date: Thu, 27 Oct 2011 00:27:28 +0300 Subject: [PATCH] frontend/pollux: add scaling 16bpp only for now. --- Makefile | 2 +- frontend/blit320.h | 3 + frontend/blit320.s | 87 +++++++++++++++++++++ frontend/plat_pollux.c | 171 ++++++++++++++++++++++++----------------- 4 files changed, 193 insertions(+), 70 deletions(-) create mode 100644 frontend/blit320.h create mode 100644 frontend/blit320.s diff --git a/Makefile b/Makefile index 7394e708..32e54011 100644 --- a/Makefile +++ b/Makefile @@ -131,7 +131,7 @@ OBJS += frontend/plat_omap.o OBJS += frontend/plat_pandora.o else ifeq "$(PLATFORM)" "caanoo" -OBJS += frontend/plat_pollux.o +OBJS += frontend/plat_pollux.o frontend/blit320.o OBJS += frontend/warm/warm.o else OBJS += frontend/plat_dummy.o diff --git a/frontend/blit320.h b/frontend/blit320.h new file mode 100644 index 00000000..434b52a0 --- /dev/null +++ b/frontend/blit320.h @@ -0,0 +1,3 @@ +void blit320_640(void *dst, const void *src, int unused); +void blit320_512(void *dst, const void *src, int unused); +void blit320_368(void *dst, const void *src, int unused); diff --git a/frontend/blit320.s b/frontend/blit320.s new file mode 100644 index 00000000..201fdea6 --- /dev/null +++ b/frontend/blit320.s @@ -0,0 +1,87 @@ +/* + * (C) Gražvydas "notaz" Ignotas, 2011 + * + * This work is licensed under the terms of any of these licenses + * (at your option): + * - GNU GPL, version 2 or later. + * - GNU LGPL, version 2.1 or later. + * See the COPYING file in the top-level directory. + * + * This code tries to make better use of pollux/arm926 store buffer + * by fusing words instead of using strhs. + */ + +.text +.align 2 + +.macro lhw_str rl rt + lsl \rl, #16 + lsr \rl, #16 + orr \rl, \rt, lsl #16 + str \rl, [r0], #4 +.endm + +.global blit320_640 +blit320_640: + stmfd sp!, {r4-r8,lr} + mov r12, #40 +0: + ldmia r1!, {r2-r8,lr} + lhw_str r2, r3 + lhw_str r4, r5 + lhw_str r6, r7 + subs r12, #1 + lhw_str r8, lr + bgt 0b + ldmfd sp!, {r4-r8,pc} + + +.global blit320_512 +blit320_512: + stmfd sp!, {r4-r8,lr} + mov r12, #32 +0: + ldmia r1!, {r2-r8,lr} + lsl r2, #16 + lsr r2, #16 + orr r2, r3, lsl #16 + str r2, [r0], #4 @ 0,2 + lsr r4, #16 + lsr r3, #16 + orr r3, r4, lsl #16 + str r3, [r0], #4 @ 3,5 + lsr r5, #16 + orr r5, r6, lsl #16 + str r5, [r0], #4 @ 7,8 + lsr r8, #16 + lsr lr, #16 + str r7, [r0], #4 @ 10,11 + orr r8, lr, lsl #16 + subs r12, #1 + str r8, [r0], #4 @ 13,15 + bgt 0b + ldmfd sp!, {r4-r8,pc} + + +.macro unaligned_str rl rt + lsr \rl, #16 + orr \rl, \rt, lsl #16 + str \rl, [r0], #4 +.endm + +.global blit320_368 +blit320_368: + stmfd sp!, {r4-r8,lr} + mov r12, #23 +0: + ldmia r1!, {r2-r8,lr} + unaligned_str r2, r3 @ 1,2 + unaligned_str r3, r4 @ 3,4 + unaligned_str r4, r5 @ 5,6 + subs r12, #1 + stmia r0!, {r6-r8,lr} @ 8-15 + bgt 0b + ldmfd sp!, {r4-r8,pc} + + +@ vim:filetype=armasm diff --git a/frontend/plat_pollux.c b/frontend/plat_pollux.c index 61c1e742..21e06f07 100644 --- a/frontend/plat_pollux.c +++ b/frontend/plat_pollux.c @@ -21,6 +21,7 @@ #include "warm/warm.h" #include "plugin_lib.h" #include "cspace.h" +#include "blit320.h" #include "main.h" #include "menu.h" #include "plat.h" @@ -32,13 +33,14 @@ static volatile unsigned int *memregl; static void *fb_vaddrs[2]; static unsigned int fb_paddrs[2]; static int fb_work_buf; -static int cpu_clock_allowed; +static int cpu_clock_allowed, have_warm; static unsigned int saved_video_regs[2][6]; #define FB_VRAM_SIZE (320*240*2*2*2) // 2 buffers with space for 24bpp mode static unsigned short *psx_vram; static unsigned int psx_vram_padds[512]; -static int psx_offset, psx_step, psx_width, psx_height, psx_bpp; +static int psx_step, psx_width, psx_height, psx_bpp; +static int psx_offset_x, psx_offset_y; static int fb_offset_x, fb_offset_y; // TODO: get rid of this @@ -259,51 +261,6 @@ static void pl_vout_set_raw_vram(void *vram) } } -static void *pl_vout_set_mode(int w, int h, int bpp) -{ - static int old_w, old_h, old_bpp; - int poff_w, poff_h; - - if (!w || !h || !bpp || (w == old_w && h == old_h && bpp == old_bpp)) - return NULL; - - printf("psx mode: %dx%d@%d\n", w, h, bpp); - - psx_step = 1; - if (h > 256) { - psx_step = 2; - h /= 2; - } - - poff_w = poff_h = 0; - if (w > 320) { - poff_w = w / 2 - 320/2; - w = 320; - } - if (h > 240) { - poff_h = h / 2 - 240/2; - h = 240; - } - fb_offset_x = 320/2 - w / 2; - fb_offset_y = 240/2 - h / 2; - - psx_offset = poff_h * 1024 + poff_w; - psx_width = w; - psx_height = h; - psx_bpp = bpp; - - if (fb_offset_x || fb_offset_y) { - // not fullscreen, must clear borders - memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8); - g_menuscreen_ptr = fb_flip(); - memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8); - } - - pollux_changemode(bpp, 1); - - return NULL; -} - static void spend_cycles(int loops) { asm volatile ( @@ -321,11 +278,10 @@ static void raw_flip_dma(int x, int y) { unsigned int dst = fb_paddrs[fb_work_buf] + (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8; - int spsx_line = y + (psx_offset >> 10); - int spsx_offset = (x + psx_offset) & 0x3f8; + int spsx_line = y + psx_offset_y; + int spsx_offset = (x + psx_offset_x) & 0x3f8; int dst_stride = 320 * psx_bpp / 8; int len = psx_width * psx_bpp / 8; - //unsigned int st = timer_get(); int i; warm_cache_op_all(WOP_D_CLEAN); @@ -355,8 +311,6 @@ static void raw_flip_dma(int x, int y) DMA_REG(0x1c) = 0x80000; // go } - //printf("d %d\n", timer_get() - st); - if (psx_bpp == 16) { pl_vout_buf = g_menuscreen_ptr; pl_print_hud(320, fb_offset_y + psx_height, fb_offset_x); @@ -368,28 +322,106 @@ static void raw_flip_dma(int x, int y) pcnt_end(PCNT_BLIT); } -static void raw_flip_soft(int x, int y) +#define make_flip_func(name, blitfunc) \ +static void name(int x, int y) \ +{ \ + unsigned short *vram = psx_vram; \ + unsigned char *dst = (unsigned char *)g_menuscreen_ptr + \ + (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8; \ + unsigned int src = (y + psx_offset_y) * 1024 + x + psx_offset_x; \ + int dst_stride = 320 * psx_bpp / 8; \ + int len = psx_width * psx_bpp / 8; \ + int i; \ + \ + pcnt_start(PCNT_BLIT); \ + \ + for (i = psx_height; i > 0; i--, src += psx_step * 1024, dst += dst_stride) { \ + src &= 1024*512-1; \ + blitfunc(dst, vram + src, len); \ + } \ + \ + if (psx_bpp == 16) { \ + pl_vout_buf = g_menuscreen_ptr; \ + pl_print_hud(320, fb_offset_y + psx_height, fb_offset_x); \ + } \ + \ + g_menuscreen_ptr = fb_flip(); \ + pl_flip_cnt++; \ + \ + pcnt_end(PCNT_BLIT); \ +} + +make_flip_func(raw_flip_soft, memcpy) +make_flip_func(raw_flip_soft_368, blit320_368) +make_flip_func(raw_flip_soft_512, blit320_512) +make_flip_func(raw_flip_soft_640, blit320_640) + +static void *pl_vout_set_mode(int w, int h, int bpp) { - unsigned short *src = psx_vram + y * 1024 + x + psx_offset; - unsigned char *dst = (unsigned char *)g_menuscreen_ptr + - (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8; - int dst_stride = 320 * psx_bpp / 8; - int len = psx_width * psx_bpp / 8; - //unsigned int st = timer_get(); - int i; + static int old_w, old_h, old_bpp; + int poff_w, poff_h, w_max; - for (i = psx_height; i > 0; i--, src += psx_step * 1024, dst += dst_stride) - memcpy(dst, src, len); + if (!w || !h || !bpp || (w == old_w && h == old_h && bpp == old_bpp)) + return NULL; - //printf("s %d\n", timer_get() - st); + printf("psx mode: %dx%d@%d\n", w, h, bpp); - if (psx_bpp == 16) { - pl_vout_buf = g_menuscreen_ptr; - pl_print_hud(320, fb_offset_y + psx_height, fb_offset_x); + switch (w + (bpp != 16)) { + case 640: + pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_640; + w_max = 640; + break; + case 512: + pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_512; + w_max = 512; + break; + case 384: + case 368: + pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_368; + w_max = 368; + break; + default: + pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft; + w_max = 320; + break; } - g_menuscreen_ptr = fb_flip(); - pl_flip_cnt++; + psx_step = 1; + if (h > 256) { + psx_step = 2; + h /= 2; + } + + poff_w = poff_h = 0; + if (w > w_max) { + poff_w = w / 2 - w_max / 2; + w = w_max; + } + fb_offset_x = 0; + if (w < 320) + fb_offset_x = 320/2 - w / 2; + if (h > 240) { + poff_h = h / 2 - 240/2; + h = 240; + } + fb_offset_y = 240/2 - h / 2; + + psx_offset_x = poff_w; + psx_offset_y = poff_h; + psx_width = w; + psx_height = h; + psx_bpp = bpp; + + if (fb_offset_x || fb_offset_y) { + // not fullscreen, must clear borders + memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8); + g_menuscreen_ptr = fb_flip(); + memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8); + } + + pollux_changemode(bpp, 1); + + return NULL; } static void *pl_vout_flip(void) @@ -475,6 +507,7 @@ void plat_init(void) } warm_ret = warm_init(); + have_warm = warm_ret == 0; warm_change_cb_upper(WCB_B_BIT, 1); /* some firmwares have sys clk on PLL0, we can't adjust CPU clock @@ -526,7 +559,7 @@ void plat_init(void) plat_rescan_inputs(); pl_rearmed_cbs.pl_vout_flip = pl_vout_flip; - pl_rearmed_cbs.pl_vout_raw_flip = warm_ret == 0 ? raw_flip_dma : raw_flip_soft; + pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft; pl_rearmed_cbs.pl_vout_set_mode = pl_vout_set_mode; pl_rearmed_cbs.pl_vout_set_raw_vram = pl_vout_set_raw_vram; -- 2.39.2