mirror of
https://github.com/libretro/RetroArch
synced 2025-02-08 06:40:14 +00:00
9d2a1b5ac4
Improve cores folder Improve WaitTillDeviceIsReady Now every single driver, init and deinit the IRX binaries Improve platform PS2 Make salamander to open proper elf
405 lines
12 KiB
C
405 lines
12 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2018 - Francisco Javier Trujillo Mata - fjtrujy
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <kernel.h>
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#include <gsKit.h>
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#include <gsInline.h>
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#include "../../driver.h"
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#include "../../retroarch.h"
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#include "../../verbosity.h"
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#include "../../libretro-common/include/libretro_gskit_ps2.h"
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/* turn white GS Screen */
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#define GS_TEXT GS_SETREG_RGBAQ(0x80,0x80,0x80,0x80,0x00)
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/* turn white GS Screen */
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#define GS_BLACK GS_SETREG_RGBAQ(0x00,0x00,0x00,0x00,0x00)
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#define NTSC_WIDTH 640
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#define NTSC_HEIGHT 448
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typedef struct ps2_video
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{
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/* I need to create this additional field
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* to be used in the font driver*/
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bool clearVRAM_font;
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bool menuVisible;
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bool fullscreen;
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bool vsync;
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bool force_aspect;
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int PSM;
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int menu_filter;
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int core_filter;
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/* Palette in the cores */
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struct retro_hw_render_interface_gskit_ps2 iface;
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GSGLOBAL *gsGlobal;
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GSTEXTURE *menuTexture;
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GSTEXTURE *coreTexture;
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} ps2_video_t;
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/* PRIVATE METHODS */
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static GSGLOBAL *init_GSGlobal(void)
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{
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GSGLOBAL *gsGlobal = gsKit_init_global();
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gsGlobal->Mode = GS_MODE_NTSC;
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gsGlobal->Interlace = GS_INTERLACED;
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gsGlobal->Field = GS_FIELD;
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gsGlobal->Width = NTSC_WIDTH;
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gsGlobal->Height = NTSC_HEIGHT;
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gsGlobal->PSM = GS_PSM_CT16;
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gsGlobal->PSMZ = GS_PSMZ_16;
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gsGlobal->DoubleBuffering = GS_SETTING_OFF;
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gsGlobal->ZBuffering = GS_SETTING_OFF;
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gsGlobal->PrimAlphaEnable = GS_SETTING_OFF;
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dmaKit_init(D_CTRL_RELE_OFF,D_CTRL_MFD_OFF, D_CTRL_STS_UNSPEC,
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D_CTRL_STD_OFF, D_CTRL_RCYC_8, 1 << DMA_CHANNEL_GIF);
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/* Initialize the DMAC */
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dmaKit_chan_init(DMA_CHANNEL_GIF);
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gsKit_init_screen(gsGlobal);
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gsKit_mode_switch(gsGlobal, GS_ONESHOT);
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gsKit_clear(gsGlobal, GS_BLACK);
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return gsGlobal;
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}
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static GSTEXTURE *prepare_new_texture(void)
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{
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GSTEXTURE *texture = (GSTEXTURE*)calloc(1, sizeof(*texture));
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return texture;
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}
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static void init_ps2_video(ps2_video_t *ps2)
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{
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ps2->gsGlobal = init_GSGlobal();
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gsKit_TexManager_init(ps2->gsGlobal);
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ps2->menuTexture = prepare_new_texture();
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ps2->coreTexture = prepare_new_texture();
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/* Used for cores that supports palette */
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ps2->iface.interface_type = RETRO_HW_RENDER_INTERFACE_GSKIT_PS2;
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ps2->iface.interface_version = RETRO_HW_RENDER_INTERFACE_GSKIT_PS2_VERSION;
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ps2->iface.coreTexture = ps2->coreTexture;
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}
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static void ps2_gfx_deinit_texture(GSTEXTURE *texture)
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{
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texture->Mem = NULL;
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texture->Clut = NULL;
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}
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static void set_texture(GSTEXTURE *texture, const void *frame,
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int width, int height, int PSM, int filter)
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{
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texture->Width = width;
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texture->Height = height;
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texture->PSM = PSM;
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texture->Filter = filter;
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texture->Mem = (void *)frame;
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}
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static void prim_texture(GSGLOBAL *gsGlobal, GSTEXTURE *texture, int zPosition, bool force_aspect, struct retro_hw_ps2_insets padding)
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{
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float x1, y1, x2, y2;
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float visible_width = texture->Width - padding.left - padding.right;
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float visible_height = texture->Height - padding.top - padding.bottom;
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if (force_aspect)
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{
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float width_proportion = (float)gsGlobal->Width / (float)visible_width;
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float height_proportion = (float)gsGlobal->Height / (float)visible_height;
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float delta = MIN(width_proportion, height_proportion);
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float newWidth = visible_width * delta;
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float newHeight = visible_height * delta;
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x1 = (gsGlobal->Width - newWidth) / 2.0f;
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y1 = (gsGlobal->Height - newHeight) / 2.0f;
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x2 = newWidth + x1;
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y2 = newHeight + y1;
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}
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else
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{
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x1 = 0.0f;
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y1 = 0.0f;
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x2 = gsGlobal->Width;
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y2 = gsGlobal->Height;
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}
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gsKit_prim_sprite_texture( gsGlobal, texture,
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x1, /* X1 */
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y1, /* Y1 */
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padding.left, /* U1 */
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padding.top, /* V1 */
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x2, /* X2 */
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y2, /* Y2 */
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texture->Width - padding.right, /* U2 */
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texture->Height - padding.bottom, /* V2 */
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zPosition,
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GS_TEXT);
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}
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static void refreshScreen(ps2_video_t *ps2)
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{
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if (ps2->vsync)
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gsKit_sync_flip(ps2->gsGlobal);
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gsKit_queue_exec(ps2->gsGlobal);
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gsKit_TexManager_nextFrame(ps2->gsGlobal);
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}
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static void *ps2_gfx_init(const video_info_t *video,
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input_driver_t **input, void **input_data)
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{
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void *ps2input = NULL;
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ps2_video_t *ps2 = (ps2_video_t*)calloc(1, sizeof(ps2_video_t));
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*input_data = NULL;
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if (!ps2)
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return NULL;
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init_ps2_video(ps2);
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if (video->font_enable)
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font_driver_init_osd(ps2,
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video,
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false,
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video->is_threaded,
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FONT_DRIVER_RENDER_PS2);
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ps2->PSM = (video->rgb32 ? GS_PSM_CT32 : GS_PSM_CT16);
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ps2->fullscreen = video->fullscreen;
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ps2->core_filter = video->smooth ? GS_FILTER_LINEAR : GS_FILTER_NEAREST;
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ps2->force_aspect = video->force_aspect;
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ps2->vsync = video->vsync;
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if (input && input_data)
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{
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settings_t *settings = config_get_ptr();
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ps2input = input_ps2.init(
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settings->arrays.input_joypad_driver);
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*input = ps2input ? &input_ps2 : NULL;
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*input_data = ps2input;
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}
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return ps2;
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}
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static bool ps2_gfx_frame(void *data, const void *frame,
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unsigned width, unsigned height, uint64_t frame_count,
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unsigned pitch, const char *msg, video_frame_info_t *video_info)
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{
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ps2_video_t *ps2 = (ps2_video_t*)data;
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if (!width || !height)
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return false;
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#if defined(DEBUG)
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if (frame_count%180==0)
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printf("ps2_gfx_frame %lu\n", frame_count);
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#endif
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if (frame)
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{
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struct retro_hw_ps2_insets padding = empty_ps2_insets;
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/* Checking if the transfer is done in the core */
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if (frame != RETRO_HW_FRAME_BUFFER_VALID)
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{
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/* calculate proper width based in the pitch */
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int shifh_per_bytes = (ps2->PSM == GS_PSM_CT32) ? 2 : 1;
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int real_width = pitch >> shifh_per_bytes;
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set_texture(ps2->coreTexture, frame, real_width, height, ps2->PSM, ps2->core_filter);
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padding.right = real_width - width;
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}
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else
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{
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padding = ps2->iface.padding;
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}
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gsKit_TexManager_invalidate(ps2->gsGlobal, ps2->coreTexture);
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gsKit_TexManager_bind(ps2->gsGlobal, ps2->coreTexture);
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prim_texture(ps2->gsGlobal, ps2->coreTexture, 1, ps2->force_aspect, padding);
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}
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if (ps2->menuVisible)
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{
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bool texture_empty = !ps2->menuTexture->Width || !ps2->menuTexture->Height;
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if (!texture_empty)
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{
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prim_texture(ps2->gsGlobal, ps2->menuTexture, 2, ps2->fullscreen, empty_ps2_insets);
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}
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}
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else if (video_info->statistics_show)
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{
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struct font_params *osd_params = (struct font_params*)
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&video_info->osd_stat_params;
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if (osd_params)
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font_driver_render_msg(ps2, video_info->stat_text,
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(const struct font_params*)&video_info->osd_stat_params, NULL);
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}
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if(!string_is_empty(msg))
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font_driver_render_msg(ps2, msg, NULL, NULL);
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refreshScreen(ps2);
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return true;
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}
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static void ps2_gfx_set_nonblock_state(void *data, bool toggle,
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bool adaptive_vsync_enabled, unsigned swap_interval)
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{
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ps2_video_t *ps2 = (ps2_video_t*)data;
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if (ps2)
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ps2->vsync = !toggle;
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}
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static bool ps2_gfx_alive(void *data) { return true; }
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static bool ps2_gfx_focus(void *data) { return true; }
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static bool ps2_gfx_suppress_screensaver(void *data, bool enable) { return false; }
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static bool ps2_gfx_has_windowed(void *data) { return false; }
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static void ps2_gfx_free(void *data)
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{
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ps2_video_t *ps2 = (ps2_video_t*)data;
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gsKit_clear(ps2->gsGlobal, GS_BLACK);
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gsKit_vram_clear(ps2->gsGlobal);
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font_driver_free_osd();
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ps2_gfx_deinit_texture(ps2->menuTexture);
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ps2_gfx_deinit_texture(ps2->coreTexture);
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free(ps2->menuTexture);
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free(ps2->coreTexture);
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gsKit_deinit_global(ps2->gsGlobal);
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free(data);
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}
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static bool ps2_gfx_set_shader(void *data,
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enum rarch_shader_type type, const char *path) { return false; }
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static void ps2_set_filtering(void *data, unsigned index, bool smooth, bool ctx_scaling)
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{
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ps2_video_t *ps2 = (ps2_video_t*)data;
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ps2->menu_filter = smooth ? GS_FILTER_LINEAR : GS_FILTER_NEAREST;
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}
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static void ps2_set_texture_frame(void *data, const void *frame, bool rgb32,
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unsigned width, unsigned height, float alpha)
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{
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ps2_video_t *ps2 = (ps2_video_t*)data;
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int PSM = (rgb32 ? GS_PSM_CT32 : GS_PSM_CT16);
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set_texture(ps2->menuTexture, frame, width, height, PSM, ps2->menu_filter);
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gsKit_TexManager_invalidate(ps2->gsGlobal, ps2->menuTexture);
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gsKit_TexManager_bind(ps2->gsGlobal, ps2->menuTexture);
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}
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static void ps2_set_texture_enable(void *data, bool enable, bool fullscreen)
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{
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ps2_video_t *ps2 = (ps2_video_t*)data;
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if (ps2->menuVisible != enable)
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{
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/* If Menu change status, CLEAR SCREEN */
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gsKit_clear(ps2->gsGlobal, GS_BLACK);
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}
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ps2->menuVisible = enable;
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ps2->fullscreen = fullscreen;
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}
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static bool ps2_get_hw_render_interface(void* data,
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const struct retro_hw_render_interface** iface)
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{
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ps2_video_t *ps2 = (ps2_video_t*)data;
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ps2->iface.padding = empty_ps2_insets;
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*iface =
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(const struct retro_hw_render_interface*)&ps2->iface;
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return true;
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}
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static const video_poke_interface_t ps2_poke_interface = {
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NULL, /* get_flags */
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NULL,
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NULL,
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NULL,
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NULL, /* get_refresh_rate */
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ps2_set_filtering,
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NULL, /* get_video_output_size */
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NULL, /* get_video_output_prev */
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NULL, /* get_video_output_next */
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NULL, /* get_current_framebuffer */
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NULL, /* get_proc_address */
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NULL, /* set_aspect_ratio */
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NULL, /* apply_state_changes */
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ps2_set_texture_frame,
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ps2_set_texture_enable,
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font_driver_render_msg, /* set_osd_msg */
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NULL, /* show_mouse */
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NULL, /* grab_mouse_toggle */
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NULL, /* get_current_shader */
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NULL, /* get_current_software_framebuffer */
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ps2_get_hw_render_interface /* get_hw_render_interface */
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};
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static void ps2_gfx_get_poke_interface(void *data,
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const video_poke_interface_t **iface)
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{
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(void)data;
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*iface = &ps2_poke_interface;
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}
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video_driver_t video_ps2 = {
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ps2_gfx_init,
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ps2_gfx_frame,
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ps2_gfx_set_nonblock_state,
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ps2_gfx_alive,
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ps2_gfx_focus,
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ps2_gfx_suppress_screensaver,
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ps2_gfx_has_windowed,
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ps2_gfx_set_shader,
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ps2_gfx_free,
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"ps2",
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NULL, /* set_viewport */
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NULL, /* set_rotation */
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NULL, /* viewport_info */
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NULL, /* read_viewport */
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NULL, /* read_frame_raw */
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#ifdef HAVE_OVERLAY
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NULL, /* overlay_interface */
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#endif
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#ifdef HAVE_VIDEO_LAYOUT
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NULL,
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#endif
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ps2_gfx_get_poke_interface,
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};
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