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RetroArch/gx/gx_video.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - Daniel De Matteis
* Copyright (C) 2012-2014 - Michael Lelli
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "../driver.h"
#include "../general.h"
#include "../gfx/fonts/bitmap.h"
#include "../frontend/menu/menu_common.h"
#include "../gfx/gfx_common.h"
#ifdef HW_RVL
#include "../wii/mem2_manager.h"
#endif
#include "gx_video.h"
#include <gccore.h>
#include <ogcsys.h>
#include <malloc.h>
#include <stdlib.h>
#include <string.h>
#include "ppc_asm.h"
#include "gx_video_inl.h"
#define SYSMEM1_SIZE 0x01800000
void *g_framebuf[2];
unsigned g_current_framebuf;
bool g_vsync;
lwpq_t g_video_cond;
volatile bool g_draw_done;
uint32_t g_orientation;
static struct
{
uint32_t *data; // needs to be resizable
GXTexObj obj;
} g_tex;
static struct
{
uint32_t data[240 * 200];
GXTexObj obj;
} menu_tex ATTRIBUTE_ALIGN(32);
uint8_t gx_fifo[256 * 1024] ATTRIBUTE_ALIGN(32);
uint8_t display_list[1024] ATTRIBUTE_ALIGN(32);
uint16_t gx_width, gx_height;
size_t display_list_size;
GXRModeObj gx_mode;
unsigned gx_old_width, gx_old_height;
float verts[16] ATTRIBUTE_ALIGN(32) = {
-1, 1, -0.5,
1, 1, -0.5,
-1, -1, -0.5,
1, -1, -0.5,
};
float vertex_ptr[8] ATTRIBUTE_ALIGN(32) = {
0, 0,
1, 0,
0, 1,
1, 1,
};
u8 color_ptr[16] ATTRIBUTE_ALIGN(32) = {
0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF,
};
static void retrace_callback(u32 retrace_count)
{
(void)retrace_count;
g_draw_done = true;
LWP_ThreadSignal(g_video_cond);
}
extern rgui_handle_t *rgui;
#ifdef HAVE_OVERLAY
static void gx_render_overlay(void *data);
static void gx_free_overlay(gx_video_t *gx)
{
#ifdef GX_OPTS
struct __gx_regdef *__gx = (struct __gx_regdef*)__gxregs;
#endif
free(gx->overlay);
gx->overlay = NULL;
gx->overlays = 0;
GX_InvalidateTexAll();
}
#endif
void gx_set_video_mode(void *data, unsigned fbWidth, unsigned lines)
{
unsigned modetype, level, viHeightMultiplier, viWidth, tvmode,
max_width, max_height, i;
bool progressive;
gx_video_t *gx = (gx_video_t*)data;
(void)level;
#ifdef GX_OPTS
struct __gx_regdef *__gx = (struct __gx_regdef*)__gxregs;
#endif
_CPU_ISR_Disable(level);
VIDEO_SetBlack(true);
VIDEO_Flush();
viHeightMultiplier = 1;
viWidth = 640;
#if defined(HW_RVL)
if (CONF_GetAspectRatio() == CONF_ASPECT_16_9)
viWidth = 678;
progressive = CONF_GetProgressiveScan() > 0 && VIDEO_HaveComponentCable();
switch (CONF_GetVideo())
{
case CONF_VIDEO_PAL:
if (CONF_GetEuRGB60() > 0)
tvmode = VI_EURGB60;
else
tvmode = VI_PAL;
break;
case CONF_VIDEO_MPAL:
tvmode = VI_MPAL;
break;
default:
tvmode = VI_NTSC;
break;
}
#else
progressive = VIDEO_HaveComponentCable();
tvmode = VIDEO_GetCurrentTvMode();
#endif
switch (tvmode)
{
case VI_PAL:
max_width = VI_MAX_WIDTH_PAL;
max_height = /* VI_MAX_HEIGHT_PAL */ 574;
break;
case VI_MPAL:
max_width = VI_MAX_WIDTH_MPAL;
max_height = VI_MAX_HEIGHT_MPAL;
break;
case VI_EURGB60:
max_width = VI_MAX_WIDTH_NTSC;
max_height = VI_MAX_HEIGHT_NTSC;
break;
default:
tvmode = VI_NTSC;
max_width = VI_MAX_WIDTH_EURGB60;
max_height = VI_MAX_HEIGHT_EURGB60;
break;
}
if (lines == 0 || fbWidth == 0)
{
GXRModeObj tmp_mode;
VIDEO_GetPreferredMode(&tmp_mode);
fbWidth = tmp_mode.fbWidth;
lines = tmp_mode.xfbHeight;
}
if (lines <= max_height / 2)
{
modetype = VI_NON_INTERLACE;
viHeightMultiplier = 2;
}
else
{
modetype = (progressive) ? VI_PROGRESSIVE : VI_INTERLACE;
}
if (lines > max_height)
lines = max_height;
if (fbWidth > max_width)
fbWidth = max_width;
gx_mode.viTVMode = VI_TVMODE(tvmode, modetype);
gx_mode.fbWidth = fbWidth;
gx_mode.efbHeight = min(lines, 480);
if (modetype == VI_NON_INTERLACE && lines > max_height / 2)
gx_mode.xfbHeight = max_height / 2;
else if (modetype != VI_NON_INTERLACE && lines > max_height)
gx_mode.xfbHeight = max_height;
else
gx_mode.xfbHeight = lines;
gx_mode.viWidth = viWidth;
gx_mode.viHeight = gx_mode.xfbHeight * viHeightMultiplier;
gx_mode.viXOrigin = (max_width - gx_mode.viWidth) / 2;
gx_mode.viYOrigin = (max_height - gx_mode.viHeight) / (2 * viHeightMultiplier);
gx_mode.xfbMode = modetype == VI_INTERLACE ? VI_XFBMODE_DF : VI_XFBMODE_SF;
gx_mode.field_rendering = GX_FALSE;
gx_mode.aa = GX_FALSE;
for (i = 0; i < 12; i++)
gx_mode.sample_pattern[i][0] = gx_mode.sample_pattern[i][1] = 6;
if (modetype == VI_INTERLACE)
{
gx_mode.vfilter[0] = 8;
gx_mode.vfilter[1] = 8;
gx_mode.vfilter[2] = 10;
gx_mode.vfilter[3] = 12;
gx_mode.vfilter[4] = 10;
gx_mode.vfilter[5] = 8;
gx_mode.vfilter[6] = 8;
}
else
{
gx_mode.vfilter[0] = 0;
gx_mode.vfilter[1] = 0;
gx_mode.vfilter[2] = 21;
gx_mode.vfilter[3] = 22;
gx_mode.vfilter[4] = 21;
gx_mode.vfilter[5] = 0;
gx_mode.vfilter[6] = 0;
}
gx->vp.full_width = gx_mode.fbWidth;
gx->vp.full_height = gx_mode.xfbHeight;
gx->double_strike = (modetype == VI_NON_INTERLACE);
gx->should_resize = true;
VIDEO_Configure(&gx_mode);
VIDEO_ClearFrameBuffer(&gx_mode, g_framebuf[0], COLOR_BLACK);
VIDEO_ClearFrameBuffer(&gx_mode, g_framebuf[1], COLOR_BLACK);
VIDEO_SetNextFramebuffer(g_framebuf[0]);
VIDEO_SetPostRetraceCallback(retrace_callback);
VIDEO_SetBlack(false);
VIDEO_Flush();
GX_SetViewportJitter(0, 0, gx_mode.fbWidth, gx_mode.efbHeight, 0, 1, 1);
GX_SetDispCopySrc(0, 0, gx_mode.fbWidth, gx_mode.efbHeight);
f32 y_scale = GX_GetYScaleFactor(gx_mode.efbHeight, gx_mode.xfbHeight);
u16 xfbWidth = VIDEO_PadFramebufferWidth(gx_mode.fbWidth);
u16 xfbHeight = GX_SetDispCopyYScale(y_scale);
(void)xfbHeight;
GX_SetDispCopyDst(xfbWidth, xfbHeight);
GX_SetCopyFilter(gx_mode.aa, gx_mode.sample_pattern, (gx_mode.xfbMode == VI_XFBMODE_SF) ? GX_FALSE : GX_TRUE,
gx_mode.vfilter);
GXColor color = { 0, 0, 0, 0xff };
GX_SetCopyClear(color, GX_MAX_Z24);
GX_SetFieldMode(gx_mode.field_rendering, (gx_mode.viHeight == 2 * gx_mode.xfbHeight) ? GX_ENABLE : GX_DISABLE);
GX_SetPixelFmt(GX_PF_RGB8_Z24, GX_ZC_LINEAR);
GX_InvalidateTexAll();
GX_Flush();
_CPU_ISR_Restore(level);
RARCH_LOG("GX Resolution: %dx%d (%s)\n", gx_mode.fbWidth, gx_mode.efbHeight, (gx_mode.viTVMode & 3) == VI_INTERLACE ? "interlaced" : "progressive");
if (rgui)
{
rgui->height = gx_mode.efbHeight / (gx->double_strike ? 1 : 2);
rgui->height &= ~3;
if (rgui->height > 240)
rgui->height = 240;
rgui->width = gx_mode.fbWidth / (gx_mode.fbWidth < 400 ? 1 : 2);
rgui->width &= ~3;
if (rgui->width > 400)
rgui->width = 400;
}
if (tvmode == VI_PAL)
{
if (modetype == VI_NON_INTERLACE)
driver_set_monitor_refresh_rate(50.0801f);
else
driver_set_monitor_refresh_rate(50.0f);
}
else
{
if (modetype == VI_NON_INTERLACE)
driver_set_monitor_refresh_rate(59.8261f);
else
driver_set_monitor_refresh_rate(59.94f);
}
// don't spam the queue when scrolling through resolutions
msg_queue_clear(g_extern.msg_queue);
g_current_framebuf = 0;
}
const char *gx_get_video_mode(void)
{
static char format[16];
snprintf(format, sizeof(format), "%.3ux%.3u%c", gx_mode.fbWidth, gx_mode.efbHeight, (gx_mode.viTVMode & 3) == VI_INTERLACE ? 'i' : 'p');
return format;
}
static void gx_set_aspect_ratio(void *data, unsigned aspect_ratio_idx)
{
gx_video_t *gx = (gx_video_t*)driver.video_data;
if (aspect_ratio_idx == ASPECT_RATIO_SQUARE)
gfx_set_square_pixel_viewport(g_extern.system.av_info.geometry.base_width, g_extern.system.av_info.geometry.base_height);
else if (aspect_ratio_idx == ASPECT_RATIO_CORE)
gfx_set_core_viewport();
else if (aspect_ratio_idx == ASPECT_RATIO_CONFIG)
gfx_set_config_viewport();
g_extern.system.aspect_ratio = aspectratio_lut[aspect_ratio_idx].value;
gx->keep_aspect = true;
gx->should_resize = true;
}
static void setup_video_mode(void *data)
{
for (unsigned i = 0; i < 2; i++)
g_framebuf[i] = MEM_K0_TO_K1(memalign(32, 640 * 576 * VI_DISPLAY_PIX_SZ));
g_current_framebuf = 0;
g_draw_done = true;
g_orientation = ORIENTATION_NORMAL;
LWP_InitQueue(&g_video_cond);
VIDEO_GetPreferredMode(&gx_mode);
gx_set_video_mode(data, 0, 0);
}
static void init_texture(void *data, unsigned width, unsigned height)
{
unsigned g_filter, rgui_w, rgui_h;
struct __gx_regdef *__gx = (struct __gx_regdef*)__gxregs;
gx_video_t *gx = (gx_video_t*)data;
width &= ~3;
height &= ~3;
g_filter = g_settings.video.smooth ? GX_LINEAR : GX_NEAR;
rgui_w = 320;
rgui_h = 240;
if (rgui)
{
rgui_w = rgui->width;
rgui_h = rgui->height;
}
struct __gx_texobj *fb_ptr = (struct __gx_texobj*)&g_tex.obj;
struct __gx_texobj *menu_ptr = (struct __gx_texobj*)&menu_tex.obj;
__GX_InitTexObj(fb_ptr, g_tex.data, width, height, (gx->rgb32) ? GX_TF_RGBA8 : gx->rgui_texture_enable ? GX_TF_RGB5A3 : GX_TF_RGB565, GX_CLAMP, GX_CLAMP, GX_FALSE);
__GX_InitTexObjFilterMode(fb_ptr, g_filter, g_filter);
__GX_InitTexObj(menu_ptr, menu_tex.data, rgui_w, rgui_h, GX_TF_RGB5A3, GX_CLAMP, GX_CLAMP, GX_FALSE);
__GX_InitTexObjFilterMode(menu_ptr, g_filter, g_filter);
__GX_InvalidateTexAll(__gx);
}
static void init_vtx(void *data)
{
gx_video_t *gx = (gx_video_t*)data;
(void)gx;
GX_SetCullMode(GX_CULL_NONE);
GX_SetClipMode(GX_CLIP_DISABLE);
GX_SetPixelFmt(GX_PF_RGB8_Z24, GX_ZC_LINEAR);
GX_SetZMode(GX_ENABLE, GX_ALWAYS, GX_ENABLE);
GX_SetColorUpdate(GX_TRUE);
GX_SetAlphaUpdate(GX_FALSE);
Mtx44 m;
guOrtho(m, 1, -1, -1, 1, 0.4, 0.6);
GX_LoadProjectionMtx(m, GX_ORTHOGRAPHIC);
GX_ClearVtxDesc();
GX_SetVtxDesc(GX_VA_POS, GX_INDEX8);
GX_SetVtxDesc(GX_VA_TEX0, GX_INDEX8);
GX_SetVtxDesc(GX_VA_CLR0, GX_INDEX8);
GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_POS_XYZ, GX_F32, 0);
GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_F32, 0);
GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
GX_SetArray(GX_VA_POS, verts, 3 * sizeof(float));
GX_SetArray(GX_VA_TEX0, vertex_ptr, 2 * sizeof(float));
GX_SetArray(GX_VA_CLR0, color_ptr, 4 * sizeof(u8));
GX_SetNumTexGens(1);
GX_SetNumChans(1);
GX_SetChanCtrl(GX_COLOR0A0, GX_DISABLE, GX_SRC_REG, GX_SRC_VTX, GX_LIGHTNULL, GX_DF_NONE, GX_AF_NONE);
GX_SetTevOp(GX_TEVSTAGE0, GX_MODULATE);
GX_SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
GX_InvVtxCache();
GX_SetBlendMode(GX_BM_BLEND, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_CLEAR);
g_tex.data = memalign(32, 4 * 4 * 4);
memset(g_tex.data, 0, 4 * 4 * 4);
memset(&g_tex.obj, 0, sizeof(GXTexObj));
memset(&menu_tex.obj, 0, sizeof(GXTexObj));
DCFlushRange(g_tex.data, 4 * 4 * 4);
init_texture(data, 4, 4); // for menu texture
GX_Flush();
}
static void build_disp_list(void)
{
DCInvalidateRange(display_list, sizeof(display_list));
GX_BeginDispList(display_list, sizeof(display_list));
GX_Begin(GX_TRIANGLESTRIP, GX_VTXFMT0, 4);
for (unsigned i = 0; i < 4; i++)
{
GX_Position1x8(i);
GX_Color1x8(i);
GX_TexCoord1x8(i);
}
GX_End();
display_list_size = GX_EndDispList();
}
//#define TAKE_EFB_SCREENSHOT_ON_EXIT
#ifdef TAKE_EFB_SCREENSHOT_ON_EXIT
// Adapted from code by Crayon for GRRLIB (http://code.google.com/p/grrlib)
static void gx_efb_screenshot(void)
{
int x, y;
uint8_t tga_header[] = {0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0xE0, 0x01, 0x18, 0x00};
FILE *out = fopen("/screenshot.tga", "wb");
if (!out)
return;
fwrite(tga_header, 1, sizeof(tga_header), out);
for (y = 479; y >= 0; --y)
{
uint8_t line[640 * 3];
unsigned i = 0;
for (x = 0; x < 640; x++)
{
GXColor color;
GX_PeekARGB(x, y, &color);
line[i++] = color.b;
line[i++] = color.g;
line[i++] = color.r;
}
fwrite(line, 1, sizeof(line), out);
}
fclose(out);
}
#endif
static void gx_restart(void) { }
static void *gx_init(const video_info_t *video,
const input_driver_t **input, void **input_data)
{
#ifdef GX_OPTS
struct __gx_regdef *__gx = (struct __gx_regdef*)__gxregs;
#endif
g_vsync = video->vsync;
if (driver.video_data)
{
gx_video_t *gx = (gx_video_t*)driver.video_data;
if (gx->scale != video->input_scale || gx->rgb32 != video->rgb32)
{
RARCH_LOG("[GX] reallocate texture\n");
free(g_tex.data);
g_tex.data = memalign(32, RARCH_SCALE_BASE * RARCH_SCALE_BASE * video->input_scale * video->input_scale * (video->rgb32 ? 4 : 2));
if (!g_tex.data)
{
RARCH_ERR("[GX] Error allocating video texture\n");
exit(1);
}
}
gx->rgb32 = video->rgb32;
gx->scale = video->input_scale;
gx->should_resize = true;
return driver.video_data;
}
gx_video_t *gx = (gx_video_t*)calloc(1, sizeof(gx_video_t));
if (!gx)
return NULL;
void *gxinput = input_gx.init();
*input = gxinput ? &input_gx : NULL;
*input_data = gxinput;
VIDEO_Init();
GX_Init(gx_fifo, sizeof(gx_fifo));
setup_video_mode(gx);
init_vtx(gx);
build_disp_list();
gx->vp.full_width = gx_mode.fbWidth;
gx->vp.full_height = gx_mode.xfbHeight;
gx->should_resize = true;
gx_old_width = gx_old_height = 0;
return gx;
}
#define ASM_BLITTER
#ifdef ASM_BLITTER
static void update_texture_asm(const uint32_t *src, const uint32_t *dst,
unsigned width, unsigned height, unsigned pitch)
{
register uint32_t tmp0, tmp1, tmp2, tmp3, line2, line2b, line3, line3b, line4, line4b, line5;
asm volatile (
" srwi %[width], %[width], 2 \n"
" srwi %[height], %[height], 2 \n"
" subi %[tmp3], %[dst], 4 \n"
" mr %[dst], %[tmp3] \n"
" subi %[dst], %[dst], 4 \n"
" mr %[line2], %[pitch] \n"
" addi %[line2b], %[line2], 4 \n"
" mulli %[line3], %[pitch], 2 \n"
" addi %[line3b], %[line3], 4 \n"
" mulli %[line4], %[pitch], 3 \n"
" addi %[line4b], %[line4], 4 \n"
" mulli %[line5], %[pitch], 4 \n"
"2: mtctr %[width] \n"
" mr %[tmp0], %[src] \n"
"1: lwz %[tmp1], 0(%[src]) \n"
" stwu %[tmp1], 8(%[dst]) \n"
" lwz %[tmp2], 4(%[src]) \n"
" stwu %[tmp2], 8(%[tmp3]) \n"
" lwzx %[tmp1], %[line2], %[src] \n"
" stwu %[tmp1], 8(%[dst]) \n"
" lwzx %[tmp2], %[line2b], %[src] \n"
" stwu %[tmp2], 8(%[tmp3]) \n"
" lwzx %[tmp1], %[line3], %[src] \n"
" stwu %[tmp1], 8(%[dst]) \n"
" lwzx %[tmp2], %[line3b], %[src] \n"
" stwu %[tmp2], 8(%[tmp3]) \n"
" lwzx %[tmp1], %[line4], %[src] \n"
" stwu %[tmp1], 8(%[dst]) \n"
" lwzx %[tmp2], %[line4b], %[src] \n"
" stwu %[tmp2], 8(%[tmp3]) \n"
" addi %[src], %[src], 8 \n"
" bdnz 1b \n"
" add %[src], %[tmp0], %[line5] \n"
" subic. %[height], %[height], 1 \n"
" bne 2b \n"
: [tmp0] "=&b" (tmp0),
[tmp1] "=&b" (tmp1),
[tmp2] "=&b" (tmp2),
[tmp3] "=&b" (tmp3),
[line2] "=&b" (line2),
[line2b] "=&b" (line2b),
[line3] "=&b" (line3),
[line3b] "=&b" (line3b),
[line4] "=&b" (line4),
[line4b] "=&b" (line4b),
[line5] "=&b" (line5),
[dst] "+&b" (dst)
: [src] "b" (src),
[width] "b" (width),
[height] "b" (height),
[pitch] "b" (pitch)
: "cc"
);
}
#endif
#define BLIT_LINE_16(off) \
{ \
const uint32_t *tmp_src = src; \
uint32_t *tmp_dst = dst; \
for (unsigned x = 0; x < width2 >> 1; x++, tmp_src += 2, tmp_dst += 8) \
{ \
tmp_dst[ 0 + off] = BLIT_LINE_16_CONV(tmp_src[0]); \
tmp_dst[ 1 + off] = BLIT_LINE_16_CONV(tmp_src[1]); \
} \
src += tmp_pitch; \
}
#define BLIT_LINE_32(off) \
{ \
const uint16_t *tmp_src = src; \
uint16_t *tmp_dst = dst; \
for (unsigned x = 0; x < width2 >> 3; x++, tmp_src += 8, tmp_dst += 32) \
{ \
tmp_dst[ 0 + off] = tmp_src[0] | 0xFF00; \
tmp_dst[ 16 + off] = tmp_src[1]; \
tmp_dst[ 1 + off] = tmp_src[2] | 0xFF00; \
tmp_dst[ 17 + off] = tmp_src[3]; \
tmp_dst[ 2 + off] = tmp_src[4] | 0xFF00; \
tmp_dst[ 18 + off] = tmp_src[5]; \
tmp_dst[ 3 + off] = tmp_src[6] | 0xFF00; \
tmp_dst[ 19 + off] = tmp_src[7]; \
} \
src += tmp_pitch; \
}
static void convert_texture16(const uint32_t *_src, uint32_t *_dst,
unsigned width, unsigned height, unsigned pitch)
{
#ifdef ASM_BLITTER
width &= ~3;
height &= ~3;
update_texture_asm(_src, _dst, width, height, pitch);
#else
width &= ~3;
height &= ~3;
unsigned tmp_pitch = pitch >> 2;
unsigned width2 = width >> 1;
// Texture data is 4x4 tiled @ 16bpp.
// Use 32-bit to transfer more data per cycle.
const uint32_t *src = _src;
uint32_t *dst = _dst;
for (unsigned i = 0; i < height; i += 4, dst += 4 * width2)
{
#define BLIT_LINE_16_CONV(x) x
BLIT_LINE_16(0)
BLIT_LINE_16(2)
BLIT_LINE_16(4)
BLIT_LINE_16(6)
#undef BLIT_LINE_16_CONV
}
#endif
}
static void convert_texture16_conv(const uint32_t *_src, uint32_t *_dst,
unsigned width, unsigned height, unsigned pitch)
{
width &= ~3;
height &= ~3;
unsigned tmp_pitch = pitch >> 2;
unsigned width2 = width >> 1;
const uint32_t *src = _src;
uint32_t *dst = _dst;
for (unsigned i = 0; i < height; i += 4, dst += 4 * width2)
{
#define BLIT_LINE_16_CONV(x) (0x80008000 | (((x) & 0xFFC0FFC0) >> 1) | ((x) & 0x001F001F))
BLIT_LINE_16(0)
BLIT_LINE_16(2)
BLIT_LINE_16(4)
BLIT_LINE_16(6)
#undef BLIT_LINE_16_CONV
}
}
static void convert_texture32(const uint32_t *_src, uint32_t *_dst,
unsigned width, unsigned height, unsigned pitch)
{
width &= ~3;
height &= ~3;
unsigned tmp_pitch = pitch >> 1;
unsigned width2 = width << 1;
const uint16_t *src = (uint16_t *) _src;
uint16_t *dst = (uint16_t *) _dst;
for (unsigned i = 0; i < height; i += 4, dst += 4 * width2)
{
BLIT_LINE_32(0)
BLIT_LINE_32(4)
BLIT_LINE_32(8)
BLIT_LINE_32(12)
}
}
static void gx_resize(void *data)
{
gx_video_t *gx = (gx_video_t*)data;
int x = 0, y = 0;
unsigned width = gx->vp.full_width, height = gx->vp.full_height;
#ifdef HW_RVL
VIDEO_SetTrapFilter(g_extern.lifecycle_state & (1ULL << MODE_VIDEO_SOFT_FILTER_ENABLE));
#endif
GX_SetDispCopyGamma(g_extern.console.screen.gamma_correction);
if (gx->keep_aspect && gx_mode.efbHeight >= 480) // ingore this for custom resolutions
{
float desired_aspect = g_extern.system.aspect_ratio;
if (desired_aspect == 0.0)
desired_aspect = 1.0;
#ifdef HW_RVL
float device_aspect = CONF_GetAspectRatio() == CONF_ASPECT_4_3 ? 4.0 / 3.0 : 16.0 / 9.0;
#else
float device_aspect = 4.0 / 3.0;
#endif
if (g_orientation == ORIENTATION_VERTICAL || g_orientation == ORIENTATION_FLIPPED_ROTATED)
desired_aspect = 1.0 / desired_aspect;
float delta;
#ifdef RARCH_CONSOLE
if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
if (!g_extern.console.screen.viewports.custom_vp.width || !g_extern.console.screen.viewports.custom_vp.height)
{
g_extern.console.screen.viewports.custom_vp.x = 0;
g_extern.console.screen.viewports.custom_vp.y = 0;
g_extern.console.screen.viewports.custom_vp.width = gx->vp.full_width;
g_extern.console.screen.viewports.custom_vp.height = gx->vp.full_height;
}
x = g_extern.console.screen.viewports.custom_vp.x;
y = g_extern.console.screen.viewports.custom_vp.y;
width = g_extern.console.screen.viewports.custom_vp.width;
height = g_extern.console.screen.viewports.custom_vp.height;
}
else
#endif
{
if (fabs(device_aspect - desired_aspect) < 0.0001)
{
// If the aspect ratios of screen and desired aspect ratio are sufficiently equal (floating point stuff),
// assume they are actually equal.
}
else if (device_aspect > desired_aspect)
{
delta = (desired_aspect / device_aspect - 1.0) / 2.0 + 0.5;
x = (unsigned)(width * (0.5 - delta));
width = (unsigned)(2.0 * width * delta);
}
else
{
delta = (device_aspect / desired_aspect - 1.0) / 2.0 + 0.5;
y = (unsigned)(height * (0.5 - delta));
height = (unsigned)(2.0 * height * delta);
}
}
}
gx->vp.x = x;
gx->vp.y = y;
gx->vp.width = width;
gx->vp.height = height;
GX_SetViewportJitter(x, y, width, height, 0, 1, 1);
Mtx44 m1, m2;
float top = 1, bottom = -1, left = -1, right = 1;
guOrtho(m1, top, bottom, left, right, 0, 1);
GX_LoadPosMtxImm(m1, GX_PNMTX1);
unsigned degrees;
switch(g_orientation)
{
case ORIENTATION_VERTICAL:
degrees = 90;
break;
case ORIENTATION_FLIPPED:
degrees = 180;
break;
case ORIENTATION_FLIPPED_ROTATED:
degrees = 270;
break;
default:
degrees = 0;
break;
}
guMtxIdentity(m2);
guMtxRotDeg(m2, 'Z', degrees);
guMtxConcat(m1, m2, m1);
GX_LoadPosMtxImm(m1, GX_PNMTX0);
init_texture(data, 4, 4);
gx_old_width = gx_old_height = 0;
gx->should_resize = false;
}
static void gx_blit_line(unsigned x, unsigned y, const char *message)
{
gx_video_t *gx = (gx_video_t*)driver.video_data;
const GXColor b = {
.r = 0x00,
.g = 0x00,
.b = 0x00,
.a = 0xff
};
const GXColor w = {
.r = 0xff,
.g = 0xff,
.b = 0xff,
.a = 0xff
};
unsigned h;
if (!*message)
return;
bool double_width = gx_mode.fbWidth > 400;
unsigned width = (double_width ? 2 : 1);
unsigned height = FONT_HEIGHT * (gx->double_strike ? 1 : 2);
for (h = 0; h < height; h++)
{
GX_PokeARGB(x, y + h, b);
if (double_width)
{
GX_PokeARGB(x + 1, y + h, b);
}
}
x += (double_width ? 2 : 1);
while (*message)
{
for (unsigned j = 0; j < FONT_HEIGHT; j++)
{
for (unsigned i = 0; i < FONT_WIDTH; i++)
{
GXColor c;
uint8_t rem = 1 << ((i + j * FONT_WIDTH) & 7);
unsigned offset = (i + j * FONT_WIDTH) >> 3;
bool col = (bitmap_bin[FONT_OFFSET((unsigned char) *message) + offset] & rem);
if (col)
c = w;
else
c = b;
if (!gx->double_strike)
{
GX_PokeARGB(x + (i * width), y + (j * 2), c);
if (double_width)
{
GX_PokeARGB(x + (i * width) + 1, y + (j * 2), c);
GX_PokeARGB(x + (i * width) + 1, y + (j * 2) + 1, c);
}
GX_PokeARGB(x + (i * width), y + (j * 2) + 1, c);
}
else
{
GX_PokeARGB(x + (i * width), y + j, c);
if (double_width)
{
GX_PokeARGB(x + (i * width) + 1, y + j, c);
}
}
}
}
for (unsigned h = 0; h < height; h++)
{
GX_PokeARGB(x + (FONT_WIDTH * width), y + h, b);
if (double_width)
{
GX_PokeARGB(x + (FONT_WIDTH * width) + 1, y + h, b);
}
}
x += FONT_WIDTH_STRIDE * (double_width ? 2 : 1);
message++;
}
}
static bool gx_frame(void *data, const void *frame,
unsigned width, unsigned height, unsigned pitch,
const char *msg)
{
gx_video_t *gx = (gx_video_t*)driver.video_data;
struct __gx_regdef *__gx = (struct __gx_regdef*)__gxregs;
u8 clear_efb = GX_FALSE;
(void)data;
if(!frame && !gx->rgui_texture_enable)
return true;
if (!frame)
width = height = 4; // draw a black square in the background
if(gx->should_resize)
{
gx_resize(gx);
clear_efb = GX_TRUE;
}
while (((g_vsync || gx->rgui_texture_enable)) && !g_draw_done)
{
LWP_ThreadSleep(g_video_cond);
}
if (width != gx_old_width || height != gx_old_height)
{
init_texture(data, width, height);
gx_old_width = width;
gx_old_height = height;
}
g_draw_done = false;
g_current_framebuf ^= 1;
if (frame)
{
if (gx->rgb32)
convert_texture32(frame, g_tex.data, width, height, pitch);
else if (gx->rgui_texture_enable)
convert_texture16_conv(frame, g_tex.data, width, height, pitch);
else
convert_texture16(frame, g_tex.data, width, height, pitch);
DCFlushRange(g_tex.data, height * (width << (gx->rgb32 ? 2 : 1)));
}
if (gx->rgui_texture_enable && gx->menu_data)
{
convert_texture16(gx->menu_data, menu_tex.data, rgui->width, rgui->height, rgui->width * 2);
DCFlushRange(menu_tex.data, rgui->width * rgui->height * 2);
}
__GX_InvalidateTexAll(__gx);
__GX_SetCurrentMtx(__gx, GX_PNMTX0);
GX_LoadTexObj(&g_tex.obj, GX_TEXMAP0);
__GX_CallDispList(__gx, display_list, display_list_size);
if (gx->rgui_texture_enable)
{
__GX_SetCurrentMtx(__gx, GX_PNMTX1);
GX_LoadTexObj(&menu_tex.obj, GX_TEXMAP0);
__GX_CallDispList(__gx, display_list, display_list_size);
}
#ifdef HAVE_OVERLAY
if (gx->overlay_enable)
gx_render_overlay(gx);
#endif
GX_DrawDone();
char fps_txt[128], fps_text_buf[128];
bool fps_draw = g_settings.fps_show;
gfx_get_fps(fps_txt, sizeof(fps_txt), fps_draw ? fps_text_buf : NULL, sizeof(fps_text_buf));
if (fps_draw)
{
char mem1_txt[128];
unsigned x = 15;
unsigned y = 35;
gx_blit_line(x, y, fps_text_buf);
y += FONT_HEIGHT * (gx->double_strike ? 1 : 2);
snprintf(mem1_txt, sizeof(mem1_txt), "MEM1: %8d / %8d", SYSMEM1_SIZE - SYS_GetArena1Size(), SYSMEM1_SIZE);
gx_blit_line(x, y, mem1_txt);
#ifdef HW_RVL
y += FONT_HEIGHT * (gx->double_strike ? 1 : 2);
char mem2_txt[128];
snprintf(mem2_txt, sizeof(mem2_txt), "MEM2: %8d / %8d", gx_mem2_used(), gx_mem2_total());
gx_blit_line(x, y, mem2_txt);
#endif
}
if (msg && !gx->rgui_texture_enable)
{
unsigned x = 7 * (gx->double_strike ? 1 : 2);
unsigned y = gx->vp.full_height - (35 * (gx->double_strike ? 1 : 2));
gx_blit_line(x, y, msg);
clear_efb = GX_TRUE;
}
__GX_CopyDisp(__gx, g_framebuf[g_current_framebuf], clear_efb);
__GX_Flush(__gx);
VIDEO_SetNextFramebuffer(g_framebuf[g_current_framebuf]);
VIDEO_Flush();
g_extern.frame_count++;
return true;
}
static void gx_set_nonblock_state(void *data, bool state)
{
(void)data;
g_vsync = !state;
}
static bool gx_alive(void *data)
{
(void)data;
return true;
}
static bool gx_focus(void *data)
{
(void)data;
return true;
}
static void gx_free(void *data)
{
(void)data;
#ifdef HAVE_OVERLAY
gx_video_t *gx = (gx_video_t*)driver.video_data;
gx_free_overlay(gx);
#endif
}
static void gx_set_rotation(void *data, unsigned orientation)
{
gx_video_t *gx = (gx_video_t*)data;
g_orientation = orientation;
gx->should_resize = true;
}
static void gx_set_texture_frame(void *data, const void *frame,
bool rgb32, unsigned width, unsigned height, float alpha)
{
(void)rgb32;
(void)width;
(void)height;
(void)alpha;
gx_video_t *gx = (gx_video_t*)data;
gx->menu_data = (uint32_t*)frame;
}
static void gx_set_texture_enable(void *data, bool enable, bool full_screen)
{
(void)full_screen;
gx_video_t *gx = (gx_video_t*)data;
gx->rgui_texture_enable = enable;
// need to make sure the game texture is the right pixel format for menu overlay
gx->should_resize = true;
}
static void gx_apply_state_changes(void *data)
{
gx_video_t *gx = (gx_video_t*)data;
gx->should_resize = true;
}
static void gx_viewport_info(void *data, struct rarch_viewport *vp)
{
gx_video_t *gx = (gx_video_t*)data;
*vp = gx->vp;
}
static const video_poke_interface_t gx_poke_interface = {
NULL,
gx_set_aspect_ratio,
gx_apply_state_changes,
gx_set_texture_frame,
gx_set_texture_enable,
};
static void gx_get_poke_interface(void *data, const video_poke_interface_t **iface)
{
(void)data;
*iface = &gx_poke_interface;
}
#ifdef HAVE_OVERLAY
static void gx_overlay_tex_geom(void *data, unsigned image, float x, float y, float w, float h);
static void gx_overlay_vertex_geom(void *data, unsigned image, float x, float y, float w, float h);
static bool gx_overlay_load(void *data, const struct texture_image *images, unsigned num_images)
{
unsigned i;
gx_video_t *gx = (gx_video_t*)data;
#ifdef GX_OPTS
struct __gx_regdef *__gx = (struct __gx_regdef*)__gxregs;
#endif
gx_free_overlay(gx);
gx->overlay = (struct gx_overlay_data*)calloc(num_images, sizeof(*gx->overlay));
if (!gx->overlay)
return false;
gx->overlays = num_images;
for (i = 0; i < num_images; i++)
{
struct gx_overlay_data *o = &gx->overlay[i];
GX_InitTexObj(&o->tex, images[i].pixels, images[i].width, images[i].height, GX_TF_RGBA8, GX_CLAMP, GX_CLAMP, GX_FALSE);
GX_InitTexObjFilterMode(&g_tex.obj, GX_LINEAR, GX_LINEAR);
DCFlushRange(images[i].pixels, images[i].width * images[i].height * sizeof(uint32_t));
gx_overlay_tex_geom(gx, i, 0, 0, 1, 1); // Default. Stretch to whole screen.
gx_overlay_vertex_geom(gx, i, 0, 0, 1, 1);
gx->overlay[i].alpha_mod = 1.0f;
}
GX_InvalidateTexAll();
return true;
}
static void gx_overlay_tex_geom(void *data, unsigned image, float x, float y, float w, float h)
{
gx_video_t *gx = (gx_video_t*)data;
struct gx_overlay_data *o = &gx->overlay[image];
o->tex_coord[0] = x; o->tex_coord[1] = y;
o->tex_coord[2] = x + w; o->tex_coord[3] = y;
o->tex_coord[4] = x; o->tex_coord[5] = y + h;
o->tex_coord[6] = x + w; o->tex_coord[7] = y + h;
}
static void gx_overlay_vertex_geom(void *data, unsigned image, float x, float y, float w, float h)
{
gx_video_t *gx = (gx_video_t*)data;
struct gx_overlay_data *o = &gx->overlay[image];
// Flipped, so we preserve top-down semantics.
y = 1.0f - y;
h = -h;
// expand from 0 - 1 to -1 - 1
x = (x * 2.0f) - 1.0f;
y = (y * 2.0f) - 1.0f;
w = (w * 2.0f);
h = (h * 2.0f);
o->vertex_coord[0] = x; o->vertex_coord[1] = y;
o->vertex_coord[2] = x + w; o->vertex_coord[3] = y;
o->vertex_coord[4] = x; o->vertex_coord[5] = y + h;
o->vertex_coord[6] = x + w; o->vertex_coord[7] = y + h;
}
static void gx_overlay_enable(void *data, bool state)
{
gx_video_t *gx = (gx_video_t*)data;
gx->overlay_enable = state;
}
static void gx_overlay_full_screen(void *data, bool enable)
{
gx_video_t *gx = (gx_video_t*)data;
gx->overlay_full_screen = enable;
}
static void gx_overlay_set_alpha(void *data, unsigned image, float mod)
{
gx_video_t *gx = (gx_video_t*)data;
gx->overlay[image].alpha_mod = mod;
}
static void gx_render_overlay(void *data)
{
gx_video_t *gx = (gx_video_t*)data;
#ifdef GX_OPTS
struct __gx_regdef *__gx = (struct __gx_regdef*)__gxregs;
#endif
GX_SetCurrentMtx(GX_PNMTX1);
GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
GX_SetVtxDesc(GX_VA_TEX0, GX_DIRECT);
GX_SetVtxDesc(GX_VA_CLR0, GX_DIRECT);
for (unsigned i = 0; i < gx->overlays; i++)
{
GX_LoadTexObj(&gx->overlay[i].tex, GX_TEXMAP0);
GX_Begin(GX_TRIANGLESTRIP, GX_VTXFMT0, 4);
GX_Position3f32(gx->overlay[i].vertex_coord[0], gx->overlay[i].vertex_coord[1], -0.5);
GX_Color4u8(255, 255, 255, (u8)(gx->overlay[i].alpha_mod * 255.0f));
GX_TexCoord2f32(gx->overlay[i].tex_coord[0], gx->overlay[i].tex_coord[1]);
GX_Position3f32(gx->overlay[i].vertex_coord[2], gx->overlay[i].vertex_coord[3], -0.5);
GX_Color4u8(255, 255, 255, (u8)(gx->overlay[i].alpha_mod * 255.0f));
GX_TexCoord2f32(gx->overlay[i].tex_coord[2], gx->overlay[i].tex_coord[3]);
GX_Position3f32(gx->overlay[i].vertex_coord[4], gx->overlay[i].vertex_coord[5], -0.5);
GX_Color4u8(255, 255, 255, (u8)(gx->overlay[i].alpha_mod * 255.0f));
GX_TexCoord2f32(gx->overlay[i].tex_coord[4], gx->overlay[i].tex_coord[5]);
GX_Position3f32(gx->overlay[i].vertex_coord[6], gx->overlay[i].vertex_coord[7], -0.5);
GX_Color4u8(255, 255, 255, (u8)(gx->overlay[i].alpha_mod * 255.0f));
GX_TexCoord2f32(gx->overlay[i].tex_coord[6], gx->overlay[i].tex_coord[7]);
GX_End();
}
GX_SetVtxDesc(GX_VA_POS, GX_INDEX8);
GX_SetVtxDesc(GX_VA_TEX0, GX_INDEX8);
GX_SetVtxDesc(GX_VA_CLR0, GX_INDEX8);
}
static const video_overlay_interface_t gx_overlay_interface = {
gx_overlay_enable,
gx_overlay_load,
gx_overlay_tex_geom,
gx_overlay_vertex_geom,
gx_overlay_full_screen,
gx_overlay_set_alpha,
};
static void gx_get_overlay_interface(void *data, const video_overlay_interface_t **iface)
{
(void)data;
*iface = &gx_overlay_interface;
}
#endif
const video_driver_t video_gx = {
.init = gx_init,
.frame = gx_frame,
.alive = gx_alive,
.set_nonblock_state = gx_set_nonblock_state,
.focus = gx_focus,
.free = gx_free,
.ident = "gx",
.set_rotation = gx_set_rotation,
.viewport_info = gx_viewport_info,
.restart = gx_restart,
#ifdef HAVE_OVERLAY
.overlay_interface = gx_get_overlay_interface,
#endif
.poke_interface = gx_get_poke_interface,
};
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