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RetroArch/gfx/drivers/psp1_gfx.c
libretroadmin 51d238875e Get rid of obsolete HAVE_VIDEO_LAYOUT - obsolete spec, was only 
ever implemented for OpenGL2 driver, lots of code debt, best to
instead just keep improving the overlay system instead which is
already available for most video drivers
2023-02-23 21:03:41 +01:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2014-2017 - Ali Bouhlel
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* 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 <pspkernel.h>
#include <pspdisplay.h>
#include <malloc.h>
#include <pspgu.h>
#include <pspgum.h>
#include <psprtc.h>
#include <retro_inline.h>
#include <retro_math.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#ifdef HAVE_MENU
#include "../../menu/menu_driver.h"
#endif
#include "../font_driver.h"
#include <defines/psp_defines.h>
#ifndef SCEGU_SCR_WIDTH
#define SCEGU_SCR_WIDTH 480
#endif
#ifndef SCEGU_SCR_HEIGHT
#define SCEGU_SCR_HEIGHT 272
#endif
#ifndef SCEGU_VRAM_WIDTH
#define SCEGU_VRAM_WIDTH 512
#endif
/* Frame buffer */
#define SCEGU_VRAM_TOP (0x44000000)
/* 16bit mode */
#define SCEGU_VRAM_BUFSIZE (SCEGU_VRAM_WIDTH*SCEGU_SCR_HEIGHT*2)
#define SCEGU_VRAM_BP_0 ((void *)(SCEGU_VRAM_TOP))
#define SCEGU_VRAM_BP_1 ((void *)(SCEGU_VRAM_TOP+SCEGU_VRAM_BUFSIZE))
#define SCEGU_VRAM_BP_2 ((void *)(SCEGU_VRAM_TOP+(SCEGU_VRAM_BUFSIZE*2)))
/* 32bit mode */
#define SCEGU_VRAM_BUFSIZE32 (SCEGU_VRAM_WIDTH*SCEGU_SCR_HEIGHT*4)
#define SCEGU_VRAM_BP32_0 ((void *)(SCEGU_VRAM_TOP))
#define SCEGU_VRAM_BP32_1 ((void *)(SCEGU_VRAM_TOP+SCEGU_VRAM_BUFSIZE32))
#define SCEGU_VRAM_BP32_2 ((void *)(SCEGU_VRAM_TOP+(SCEGU_VRAM_BUFSIZE32*2)))
#define TO_UNCACHED_PTR(ptr) ((void *)((uint32_t)(ptr)|0x40000000))
#define TO_CACHED_PTR(ptr) ((void *)((uint32_t)(ptr)&~0x40000000))
#define FROM_GU_POINTER(ptr) ((void *)((uint32_t)(ptr)|0x44000000))
#define TO_GU_POINTER(ptr) ((void *)((uint32_t)(ptr)&~0x44000000))
typedef struct __attribute__((packed)) psp1_vertex
{
float u,v;
float x,y,z;
} psp1_vertex_t;
typedef struct __attribute__((packed)) psp1_sprite
{
psp1_vertex_t v0;
psp1_vertex_t v1;
} psp1_sprite_t;
typedef struct psp1_menu_frame
{
void* dList;
void* frame;
psp1_sprite_t* frame_coords;
bool active;
PspGeContext context_storage;
} psp1_menu_frame_t;
typedef struct psp1_video
{
bool vsync;
bool rgb32;
bool vblank_not_reached;
bool keep_aspect;
bool should_resize;
bool hw_render;
int tex_filter;
int bpp_log2;
unsigned rotation;
psp1_menu_frame_t menu;
video_viewport_t vp;
void* main_dList;
void* frame_dList;
void* draw_buffer;
void* texture;
psp1_sprite_t *frame_coords;
} psp1_video_t;
/* both row and column count need to be a power of 2 */
#define PSP_FRAME_ROWS_COUNT 4
#define PSP_FRAME_COLUMNS_COUNT 16
#define PSP_FRAME_SLICE_COUNT (PSP_FRAME_ROWS_COUNT * PSP_FRAME_COLUMNS_COUNT)
#define PSP_FRAME_VERTEX_COUNT (PSP_FRAME_SLICE_COUNT * 2)
static INLINE void psp_set_screen_coords (psp1_sprite_t* framecoords,
int x, int y, int width, int height, unsigned rotation)
{
int i;
float x0, y0, step_x, step_y;
int current_column = 0;
if (rotation == 0)
{
x0 = x;
y0 = y;
step_x = ((float) width) / PSP_FRAME_COLUMNS_COUNT;
step_y = ((float) height) / PSP_FRAME_ROWS_COUNT;
for (i=0; i < PSP_FRAME_SLICE_COUNT; i++)
{
framecoords[i].v0.x = x0;
framecoords[i].v0.y = y0;
framecoords[i].v1.x = (x0 += step_x);
framecoords[i].v1.y = y0 + step_y;
if (++current_column == PSP_FRAME_COLUMNS_COUNT)
{
x0 = x;
y0 += step_y;
current_column = 0;
}
}
}
else if (rotation == 1) /* 90° */
{
x0 = x + width;
y0 = y;
step_x = -((float) width) / PSP_FRAME_ROWS_COUNT;
step_y = ((float) height) / PSP_FRAME_COLUMNS_COUNT;
for (i=0; i < PSP_FRAME_SLICE_COUNT; i++)
{
framecoords[i].v0.x = x0;
framecoords[i].v0.y = y0;
framecoords[i].v1.x = x0 + step_x;
framecoords[i].v1.y = (y0 += step_y);
if (++current_column == PSP_FRAME_COLUMNS_COUNT)
{
y0 = y;
x0 += step_x;
current_column = 0;
}
}
}
else if (rotation == 2) /* 180° */
{
x0 = x + width;
y0 = y + height;
step_x = -((float) width) / PSP_FRAME_COLUMNS_COUNT;
step_y = -((float) height) / PSP_FRAME_ROWS_COUNT;
for (i=0; i < PSP_FRAME_SLICE_COUNT; i++)
{
framecoords[i].v0.x = x0;
framecoords[i].v0.y = y0;
framecoords[i].v1.x = (x0 += step_x);
framecoords[i].v1.y = y0 + step_y;
if (++current_column == PSP_FRAME_COLUMNS_COUNT)
{
x0 = x + width;
y0 += step_y;
current_column = 0;
}
}
}
else /* 270° */
{
x0 = x;
y0 = y + height;
step_x = ((float) width) / PSP_FRAME_ROWS_COUNT;
step_y = -((float) height) / PSP_FRAME_COLUMNS_COUNT;
for (i=0; i < PSP_FRAME_SLICE_COUNT; i++)
{
framecoords[i].v0.x = x0;
framecoords[i].v0.y = y0;
framecoords[i].v1.x = x0 + step_x;
framecoords[i].v1.y = (y0 += step_y);
if (++current_column == PSP_FRAME_COLUMNS_COUNT)
{
y0 = y + height;
x0 += step_x;
current_column = 0;
}
}
}
}
static INLINE void psp_set_tex_coords (psp1_sprite_t* framecoords,
int width, int height)
{
int i;
int current_column = 0;
float u0 = 0;
float v0 = 0;
float step_u = ((float) width) / PSP_FRAME_COLUMNS_COUNT;
float step_v = ((float) height) / PSP_FRAME_ROWS_COUNT;
for (i=0; i < PSP_FRAME_SLICE_COUNT; i++)
{
framecoords[i].v0.u = u0;
framecoords[i].v0.v = v0;
u0 += step_u;
framecoords[i].v1.u = u0;
framecoords[i].v1.v = v0 + step_v;
if (++current_column == PSP_FRAME_COLUMNS_COUNT)
{
u0 = 0;
v0 += step_v;
current_column = 0;
}
}
}
static void psp_update_viewport(psp1_video_t* psp,
video_frame_info_t *video_info)
{
int x = 0;
int y = 0;
float device_aspect = ((float)SCEGU_SCR_WIDTH) / SCEGU_SCR_HEIGHT;
float width = SCEGU_SCR_WIDTH;
float height = SCEGU_SCR_HEIGHT;
settings_t *settings = config_get_ptr();
bool video_scale_integer = settings->bools.video_scale_integer;
unsigned aspect_ratio_idx = settings->uints.video_aspect_ratio_idx;
if (video_scale_integer)
{
video_viewport_get_scaled_integer(&psp->vp, SCEGU_SCR_WIDTH,
SCEGU_SCR_HEIGHT, video_driver_get_aspect_ratio(), psp->keep_aspect);
width = psp->vp.width;
height = psp->vp.height;
}
else if (psp->keep_aspect)
{
#if defined(HAVE_MENU)
if (aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
x = video_info->custom_vp_x;
y = video_info->custom_vp_y;
width = video_info->custom_vp_width;
height = video_info->custom_vp_height;
}
else
#endif
{
float delta;
float desired_aspect = video_driver_get_aspect_ratio();
if ((fabsf(device_aspect - desired_aspect) < 0.0001f)
|| (fabsf((16.0/9.0) - desired_aspect) < 0.02f))
{
/* 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 - 1.0f)
/ 2.0f + 0.5f;
x = (int)roundf(width * (0.5f - delta));
width = (unsigned)roundf(2.0f * width * delta);
}
else
{
delta = (device_aspect / desired_aspect - 1.0f)
/ 2.0f + 0.5f;
y = (int)roundf(height * (0.5f - delta));
height = (unsigned)roundf(2.0f * height * delta);
}
}
psp->vp.x = x;
psp->vp.y = y;
psp->vp.width = width;
psp->vp.height = height;
}
else
{
psp->vp.x = 0;
psp->vp.y = 0;
psp->vp.width = width;
psp->vp.height = height;
}
psp->vp.width += psp->vp.width & 0x1;
psp->vp.height += psp->vp.height & 0x1;
psp_set_screen_coords(psp->frame_coords, psp->vp.x,
psp->vp.y, psp->vp.width, psp->vp.height, psp->rotation);
psp->should_resize = false;
}
static void psp_on_vblank(u32 sub, psp1_video_t *psp)
{
if (psp)
psp->vblank_not_reached = false;
}
static void *psp_init(const video_info_t *video,
input_driver_t **input, void **input_data)
{
/* TODO : add ASSERT() checks or use main RAM if
* VRAM is too low for desired video->input_scale. */
int pixel_format, lut_pixel_format, lut_block_count;
unsigned int red_shift, color_mask;
void *pspinput = NULL;
void *displayBuffer = NULL;
void *LUT_r = NULL;
void *LUT_b = NULL;
psp1_video_t *psp = (psp1_video_t*)calloc(1, sizeof(psp1_video_t));
if (!psp)
return NULL;
sceGuInit();
psp->vp.x = 0;
psp->vp.y = 0;
psp->vp.width = SCEGU_SCR_WIDTH;
psp->vp.height = SCEGU_SCR_HEIGHT;
psp->vp.full_width = SCEGU_SCR_WIDTH;
psp->vp.full_height = SCEGU_SCR_HEIGHT;
/* Make sure anything using uncached pointers reserves
* whole cachelines (memory address and size need to be a multiple of 64)
* so it isn't overwritten by an unlucky cache writeback.
*
* This includes display lists since the Gu library uses
* uncached pointers to write to them. */
/* Allocate more space if bigger display lists are needed. */
psp->main_dList = memalign(64, 256);
psp->frame_dList = memalign(64, 256);
psp->menu.dList = memalign(64, 256);
psp->menu.frame = memalign(16, 2 * 480 * 272);
psp->frame_coords = memalign(64,
(((PSP_FRAME_SLICE_COUNT * sizeof(psp1_sprite_t)) + 63) & ~63));
psp->menu.frame_coords = memalign(64,
(((PSP_FRAME_SLICE_COUNT * sizeof(psp1_sprite_t)) + 63) & ~63));
memset(psp->frame_coords, 0,
PSP_FRAME_SLICE_COUNT * sizeof(psp1_sprite_t));
memset(psp->menu.frame_coords, 0,
PSP_FRAME_SLICE_COUNT * sizeof(psp1_sprite_t));
sceKernelDcacheWritebackInvalidateAll();
psp->frame_coords = TO_UNCACHED_PTR(psp->frame_coords);
psp->menu.frame_coords = TO_UNCACHED_PTR(psp->menu.frame_coords);
psp->frame_coords->v0.x = 60;
psp->frame_coords->v0.y = 0;
psp->frame_coords->v0.u = 0;
psp->frame_coords->v0.v = 0;
psp->frame_coords->v1.x = 420;
psp->frame_coords->v1.y = SCEGU_SCR_HEIGHT;
psp->frame_coords->v1.u = 256;
psp->frame_coords->v1.v = 240;
psp->vsync = video->vsync;
psp->rgb32 = video->rgb32;
if (psp->rgb32)
{
u32 i;
uint32_t* LUT_r_local = (uint32_t*)(SCEGU_VRAM_BP32_2);
uint32_t* LUT_b_local = (uint32_t*)(SCEGU_VRAM_BP32_2) + (1 << 8);
red_shift = 8 + 8;
color_mask = 0xFF;
lut_block_count = (1 << 8) / 8;
psp->texture = (void*)(LUT_b_local + (1 << 8));
psp->draw_buffer = SCEGU_VRAM_BP32_0;
psp->bpp_log2 = 2;
pixel_format = GU_PSM_8888;
lut_pixel_format = GU_PSM_T32;
displayBuffer = SCEGU_VRAM_BP32_1;
for (i = 0; i < (1 << 8); i++)
{
LUT_r_local[i] = i;
LUT_b_local[i] = i << (8 + 8);
}
LUT_r = (void*)LUT_r_local;
LUT_b = (void*)LUT_b_local;
}
else
{
u16 i;
uint16_t* LUT_r_local = (uint16_t*)(SCEGU_VRAM_BP_2);
uint16_t* LUT_b_local = (uint16_t*)(SCEGU_VRAM_BP_2) + (1 << 5);
red_shift = 6 + 5;
color_mask = 0x1F;
lut_block_count = (1 << 5) / 8;
psp->texture = (void*)(LUT_b_local + (1 << 5));
psp->draw_buffer = SCEGU_VRAM_BP_0;
psp->bpp_log2 = 1;
pixel_format =
(video_driver_get_pixel_format() == RETRO_PIXEL_FORMAT_0RGB1555)
? GU_PSM_5551 : GU_PSM_5650 ;
lut_pixel_format = GU_PSM_T16;
displayBuffer = SCEGU_VRAM_BP_1;
for (i = 0; i < (1 << 5); i++)
{
LUT_r_local[i] = i;
LUT_b_local[i] = i << (5 + 6);
}
LUT_r = (void*)LUT_r_local;
LUT_b = (void*)LUT_b_local;
}
psp->tex_filter = video->smooth? GU_LINEAR : GU_NEAREST;
/* TODO: check if necessary. */
sceDisplayWaitVblankStart();
sceGuDisplay(GU_FALSE);
sceGuStart(GU_DIRECT, psp->main_dList);
sceGuDrawBuffer(pixel_format, TO_GU_POINTER(psp->draw_buffer),
SCEGU_VRAM_WIDTH);
sceGuDispBuffer(SCEGU_SCR_WIDTH, SCEGU_SCR_HEIGHT,
TO_GU_POINTER(displayBuffer), SCEGU_VRAM_WIDTH);
sceGuClearColor(0);
sceGuScissor(0, 0, SCEGU_SCR_WIDTH, SCEGU_SCR_HEIGHT);
sceGuEnable(GU_SCISSOR_TEST);
sceGuTexFilter(psp->tex_filter, psp->tex_filter);
sceGuTexWrap (GU_CLAMP, GU_CLAMP);
sceGuEnable(GU_TEXTURE_2D);
sceGuDisable(GU_DEPTH_TEST);
sceGuCallMode(GU_FALSE);
sceGuFinish();
sceGuSync(0, 0);
/* TODO : check if necessary */
sceDisplayWaitVblankStart();
sceGuDisplay(GU_TRUE);
pspDebugScreenSetColorMode(pixel_format);
pspDebugScreenSetBase(psp->draw_buffer);
/* fill frame_dList : */
sceGuStart(GU_CALL, psp->frame_dList);
sceGuTexMode(pixel_format, 0, 0, GU_FALSE);
sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
sceGuEnable(GU_BLEND);
/* green only */
sceGuBlendFunc(GU_ADD, GU_FIX, GU_FIX, 0x0000FF00, 0xFFFFFFFF);
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_32BITF | GU_VERTEX_32BITF |
GU_TRANSFORM_2D, PSP_FRAME_VERTEX_COUNT, NULL,
(void*)(psp->frame_coords));
/* restore */
sceGuBlendFunc(GU_ADD, GU_FIX, GU_FIX, 0xFFFFFFFF, 0xFFFFFFFF);
sceGuTexMode(lut_pixel_format, 0, 0, GU_FALSE);
sceGuClutMode(pixel_format, red_shift, color_mask, 0);
sceGuClutLoad(lut_block_count, LUT_r);
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_32BITF | GU_VERTEX_32BITF |
GU_TRANSFORM_2D, PSP_FRAME_VERTEX_COUNT, NULL,
(void*)(psp->frame_coords));
sceGuClutMode(pixel_format, 0, color_mask, 0);
sceGuClutLoad(lut_block_count, LUT_b);
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_32BITF | GU_VERTEX_32BITF |
GU_TRANSFORM_2D, PSP_FRAME_VERTEX_COUNT, NULL,
(void*)(psp->frame_coords));
sceGuFinish();
if (input && input_data)
{
settings_t *settings = config_get_ptr();
pspinput = input_driver_init_wrap(&input_psp,
settings->arrays.input_joypad_driver);
*input = pspinput ? &input_psp : NULL;
*input_data = pspinput;
}
psp->vblank_not_reached = true;
sceKernelRegisterSubIntrHandler(PSP_VBLANK_INT, 0, psp_on_vblank, psp);
sceKernelEnableSubIntr(PSP_VBLANK_INT, 0);
psp->keep_aspect = true;
psp->should_resize = true;
psp->hw_render = false;
return psp;
}
static bool psp_frame(void *data, const void *frame,
unsigned width, unsigned height, uint64_t frame_count,
unsigned pitch, const char *msg, video_frame_info_t *video_info)
{
psp1_video_t *psp = (psp1_video_t*)data;
#ifdef HAVE_MENU
bool menu_is_alive = video_info->menu_is_alive;
#endif
if (!width || !height)
return false;
if (((uint32_t)frame&0x04000000) || (frame == RETRO_HW_FRAME_BUFFER_VALID))
psp->hw_render = true;
else if (frame)
psp->hw_render = false;
if (!psp->hw_render)
sceGuSync(0, 0); /* let the core decide when to sync when HW_RENDER */
if (msg)
{
pspDebugScreenSetBase(psp->draw_buffer);
pspDebugScreenSetXY(0,0);
pspDebugScreenPuts(msg);
}
if ((psp->vsync) && (psp->vblank_not_reached))
sceDisplayWaitVblankStart();
psp->vblank_not_reached = true;
psp->draw_buffer = FROM_GU_POINTER(sceGuSwapBuffers());
if (psp->should_resize)
psp_update_viewport(psp, video_info);
psp_set_tex_coords(psp->frame_coords, width, height);
sceGuStart(GU_DIRECT, psp->main_dList);
sceGuTexFilter(psp->tex_filter, psp->tex_filter);
sceGuClear(GU_COLOR_BUFFER_BIT);
/* frame in VRAM ? texture/palette was
* set in core so draw directly */
if (psp->hw_render)
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_32BITF | GU_VERTEX_32BITF |
GU_TRANSFORM_2D, PSP_FRAME_VERTEX_COUNT, NULL,
(void*)(psp->frame_coords));
else
{
if (frame)
{
sceKernelDcacheWritebackRange(frame,pitch * height);
sceGuCopyImage(psp->rgb32? GU_PSM_8888 : GU_PSM_5650,
((u32)frame & 0xF) >> psp->bpp_log2,
0, width, height, pitch >> psp->bpp_log2,
(void*)((u32)frame & ~0xF), 0, 0, width, psp->texture);
}
sceGuTexImage(0, next_pow2(width), next_pow2(height), width, psp->texture);
sceGuCallList(psp->frame_dList);
}
sceGuFinish();
#ifdef HAVE_MENU
menu_driver_frame(menu_is_alive, video_info);
#endif
if (psp->menu.active)
{
sceGuSendList(GU_TAIL, psp->menu.dList, &(psp->menu.context_storage));
sceGuSync(0, 0);
}
return true;
}
static void psp_set_nonblock_state(void *data, bool toggle,
bool adaptive_vsync_enabled, unsigned swap_interval)
{
psp1_video_t *psp = (psp1_video_t*)data;
if (psp)
psp->vsync = !toggle;
}
static bool psp_alive(void *data) { return true; }
static bool psp_focus(void *data) { return true; }
static bool psp_suppress_screensaver(void *data, bool enable) { return false; }
static void psp_free(void *data)
{
psp1_video_t *psp = (psp1_video_t*)data;
if (!(psp) || !(psp->main_dList))
return;
sceDisplayWaitVblankStart();
sceGuDisplay(GU_FALSE);
sceGuTerm();
if (psp->main_dList)
free(psp->main_dList);
if (psp->frame_dList)
free(psp->frame_dList);
if (psp->frame_coords)
free(TO_CACHED_PTR(psp->frame_coords));
if (psp->menu.frame_coords)
free(TO_CACHED_PTR(psp->menu.frame_coords));
if (psp->menu.dList)
free(psp->menu.dList);
if (psp->menu.frame)
free(psp->menu.frame);
free(data);
sceKernelDisableSubIntr(PSP_VBLANK_INT, 0);
sceKernelReleaseSubIntrHandler(PSP_VBLANK_INT,0);
}
static void psp_set_texture_frame(void *data, const void *frame, bool rgb32,
unsigned width, unsigned height, float alpha)
{
psp1_video_t *psp = (psp1_video_t*)data;
psp_set_screen_coords(psp->menu.frame_coords, 0, 0,
SCEGU_SCR_WIDTH, SCEGU_SCR_HEIGHT, 0);
psp_set_tex_coords(psp->menu.frame_coords, width, height);
sceKernelDcacheWritebackRange(frame, width * height * 2);
sceGuStart(GU_DIRECT, psp->main_dList);
sceGuCopyImage(GU_PSM_4444, 0, 0, width, height, width,
(void*)frame, 0, 0, width, psp->menu.frame);
sceGuFinish();
sceGuStart(GU_SEND, psp->menu.dList);
sceGuTexMode(GU_PSM_4444, 0, 0, GU_FALSE);
sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
sceGuTexFilter(GU_LINEAR, GU_LINEAR);
sceGuTexImage(0, next_pow2(width), next_pow2(height), width, psp->menu.frame);
sceGuEnable(GU_BLEND);
#if 0
/* default blending */
sceGuBlendFunc(GU_ADD, GU_SRC_ALPHA, GU_ONE_MINUS_SRC_ALPHA, 0, 0);
#endif
sceGuBlendFunc(GU_ADD, GU_FIX, GU_FIX, 0xF0F0F0F0, 0x0F0F0F0F);
;
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_32BITF | GU_VERTEX_32BITF |
GU_TRANSFORM_2D, PSP_FRAME_VERTEX_COUNT, NULL,
psp->menu.frame_coords);
sceGuFinish();
}
static void psp_set_texture_enable(void *data, bool state, bool full_screen)
{
(void) full_screen;
psp1_video_t *psp = (psp1_video_t*)data;
if (psp)
psp->menu.active = state;
}
static void psp_set_rotation(void *data, unsigned rotation)
{
psp1_video_t *psp = (psp1_video_t*)data;
if (!psp)
return;
psp->rotation = rotation;
psp->should_resize = true;
}
static void psp_set_filtering(void *data, unsigned index, bool smooth, bool ctx_scaling)
{
psp1_video_t *psp = (psp1_video_t*)data;
if (psp)
psp->tex_filter = smooth? GU_LINEAR : GU_NEAREST;
}
static void psp_set_aspect_ratio(void *data, unsigned aspect_ratio_idx)
{
psp1_video_t *psp = (psp1_video_t*)data;
if (!psp)
return;
psp->keep_aspect = true;
psp->should_resize = true;
}
static void psp_apply_state_changes(void *data)
{
psp1_video_t *psp = (psp1_video_t*)data;
if (psp)
psp->should_resize = true;
}
static void psp_viewport_info(void *data, struct video_viewport *vp)
{
psp1_video_t *psp = (psp1_video_t*)data;
if (psp)
*vp = psp->vp;
}
static uint32_t psp_get_flags(void *data)
{
uint32_t flags = 0;
BIT32_SET(flags, GFX_CTX_FLAGS_SCREENSHOTS_SUPPORTED);
return flags;
}
static const video_poke_interface_t psp_poke_interface = {
psp_get_flags,
NULL,
NULL,
NULL,
NULL, /* get_refresh_rate */
psp_set_filtering,
NULL, /* get_video_output_size */
NULL, /* get_video_output_prev */
NULL, /* get_video_output_next */
NULL, /* get_current_framebuffer */
NULL, /* get_proc_address */
psp_set_aspect_ratio,
psp_apply_state_changes,
psp_set_texture_frame,
psp_set_texture_enable,
NULL, /* set_osd_msg */
NULL, /* show_mouse */
NULL, /* grab_mouse_toggle */
NULL, /* get_current_shader */
NULL, /* get_current_software_framebuffer */
NULL, /* get_hw_render_interface */
NULL, /* set_hdr_max_nits */
NULL, /* set_hdr_paper_white_nits */
NULL, /* set_hdr_contrast */
NULL /* set_hdr_expand_gamut */
};
static void psp_get_poke_interface(void *data,
const video_poke_interface_t **iface)
{
(void)data;
*iface = &psp_poke_interface;
}
static bool psp_read_viewport(void *data, uint8_t *buffer, bool is_idle)
{
void* src_buffer;
int i, j, src_bufferwidth, src_pixelformat, src_x, src_y, src_x_max, src_y_max;
uint8_t *dst = buffer;
psp1_video_t *psp = (psp1_video_t*)data;
sceDisplayGetFrameBuf(&src_buffer, &src_bufferwidth, &src_pixelformat, PSP_DISPLAY_SETBUF_NEXTFRAME);
src_x = (psp->vp.x > 0)? psp->vp.x : 0;
src_y = (psp->vp.y > 0)? psp->vp.y : 0;
src_x_max = ((psp->vp.x + psp->vp.width) < src_bufferwidth)? (psp->vp.x + psp->vp.width): src_bufferwidth;
src_y_max = ((psp->vp.y + psp->vp.height) < SCEGU_SCR_HEIGHT)? (psp->vp.y + psp->vp.height): SCEGU_SCR_HEIGHT;
switch(src_pixelformat)
{
case PSP_DISPLAY_PIXEL_FORMAT_565:
for (j = (src_y_max - 1); j >= src_y ; j--)
{
uint16_t* src = (uint16_t*)src_buffer + src_bufferwidth * j + src_x;
for (i = src_x; i < src_x_max; i++)
{
*(dst++) = ((*src) >> 11) << 3;
*(dst++) = (((*src) >> 5) << 2) &0xFF;
*(dst++) = ((*src) & 0x1F) << 3;
src++;
}
}
return true;
case PSP_DISPLAY_PIXEL_FORMAT_5551:
for (j = (src_y_max - 1); j >= src_y ; j--)
{
uint16_t* src = (uint16_t*)src_buffer + src_bufferwidth * j + src_x;
for (i = src_x; i < src_x_max; i++)
{
*(dst++) = (((*src) >> 10) << 3) &0xFF;
*(dst++) = (((*src) >> 5) << 3) &0xFF;
*(dst++) = ((*src) & 0x1F) << 3;
src++;
}
}
return true;
case PSP_DISPLAY_PIXEL_FORMAT_4444:
for (j = (src_y_max - 1); j >= src_y ; j--)
{
uint16_t* src = (uint16_t*)src_buffer + src_bufferwidth * j + src_x;
for (i = src_x; i < src_x_max; i++)
{
*(dst++) = ((*src) >> 4) & 0xF0;
*(dst++) = (*src) & 0xF0;
*(dst++) = ((*src) << 4) & 0xF0;
src++;
}
}
return true;
case PSP_DISPLAY_PIXEL_FORMAT_8888:
for (j = (src_y_max - 1); j >= src_y ; j--)
{
uint32_t* src = (uint32_t*)src_buffer + src_bufferwidth * j + src_x;
for (i = src_x; i < src_x_max; i++)
{
*(dst++) = ((*src) >> 16) & 0xFF;
*(dst++) = ((*src) >> 8 ) & 0xFF;
*(dst++) = (*src) & 0xFF;
src++;
}
}
return true;
}
return false;
}
static bool psp_set_shader(void *data, enum rarch_shader_type type, const char *path) { return false; }
video_driver_t video_psp1 = {
psp_init,
psp_frame,
psp_set_nonblock_state,
psp_alive,
psp_focus,
psp_suppress_screensaver,
NULL, /* has_windowed */
psp_set_shader,
psp_free,
"psp1",
NULL, /* set_viewport */
psp_set_rotation,
psp_viewport_info,
psp_read_viewport,
NULL, /* read_frame_raw */
#ifdef HAVE_OVERLAY
NULL,
#endif
psp_get_poke_interface
};
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