From aa527dd0c2ba84c7157a894a561b501ad1202d21 Mon Sep 17 00:00:00 2001
From: Francisco Javier Trujillo Mata <[EMAIL REDACTED]>
Date: Thu, 22 Aug 2024 19:12:18 +0200
Subject: [PATCH] Allow MessageBox to work without window
---
src/render/psp/SDL_render_psp.c | 8 +-
.../psp/SDL_render_psp_c.h} | 15 +-
src/video/psp/SDL_pspmessagebox.c | 126 ---------------
src/video/psp/SDL_pspvideo.c | 151 +++++++++++++++++-
4 files changed, 155 insertions(+), 145 deletions(-)
rename src/{video/psp/SDL_pspmessagebox.h => render/psp/SDL_render_psp_c.h} (77%)
delete mode 100644 src/video/psp/SDL_pspmessagebox.c
diff --git a/src/render/psp/SDL_render_psp.c b/src/render/psp/SDL_render_psp.c
index d1ed8641059ef..db74da539e90a 100644
--- a/src/render/psp/SDL_render_psp.c
+++ b/src/render/psp/SDL_render_psp.c
@@ -24,6 +24,8 @@
#include "../SDL_sysrender.h"
+#include "SDL_render_psp_c.h"
+
#include <pspkernel.h>
#include <pspdisplay.h>
#include <pspgu.h>
@@ -38,12 +40,6 @@
// PSP renderer implementation, based on the PGE
-#define PSP_SCREEN_WIDTH 480
-#define PSP_SCREEN_HEIGHT 272
-
-#define PSP_FRAME_BUFFER_WIDTH 512
-#define PSP_FRAME_BUFFER_SIZE (PSP_FRAME_BUFFER_WIDTH * PSP_SCREEN_HEIGHT)
-
static unsigned int __attribute__((aligned(16))) DisplayList[262144];
#define COL5650(r, g, b, a) ((r >> 3) | ((g >> 2) << 5) | ((b >> 3) << 11))
diff --git a/src/video/psp/SDL_pspmessagebox.h b/src/render/psp/SDL_render_psp_c.h
similarity index 77%
rename from src/video/psp/SDL_pspmessagebox.h
rename to src/render/psp/SDL_render_psp_c.h
index 6f9b0fe0a3bbb..98bae20e8f378 100644
--- a/src/video/psp/SDL_pspmessagebox.h
+++ b/src/render/psp/SDL_render_psp_c.h
@@ -18,14 +18,13 @@
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
+#ifndef SDL_VIDEO_RENDER_PSP_C_H
+#define SDL_VIDEO_RENDER_PSP_C_H
-#ifndef SDL_pspmessagebox_h_
-#define SDL_pspmessagebox_h_
+#define PSP_SCREEN_WIDTH 480
+#define PSP_SCREEN_HEIGHT 272
-#if SDL_VIDEO_DRIVER_PSP
+#define PSP_FRAME_BUFFER_WIDTH 512
+#define PSP_FRAME_BUFFER_SIZE (PSP_FRAME_BUFFER_WIDTH * PSP_SCREEN_HEIGHT)
-int PSP_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid);
-
-#endif // SDL_VIDEO_DRIVER_PSP
-
-#endif // SDL_pspmessagebox_h_
+#endif // SDL_VIDEO_RENDER_PSP_C_H
diff --git a/src/video/psp/SDL_pspmessagebox.c b/src/video/psp/SDL_pspmessagebox.c
deleted file mode 100644
index 4385a6930c5ad..0000000000000
--- a/src/video/psp/SDL_pspmessagebox.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-*/
-
-#include "SDL_internal.h"
-
-#ifdef SDL_VIDEO_DRIVER_PSP
-
-#include "SDL_pspvideo.h"
-#include "SDL_pspmessagebox.h"
-#include <psputility.h>
-#include <pspgu.h>
-#include <pspdisplay.h>
-#include <pspthreadman.h>
-#include <pspkernel.h>
-
-static void configure_dialog(pspUtilityMsgDialogParams *dialog, size_t dialog_size)
-{
- // clear structure and setup size
- SDL_memset(dialog, 0, dialog_size);
- dialog->base.size = dialog_size;
-
- // set language
- sceUtilityGetSystemParamInt(PSP_SYSTEMPARAM_ID_INT_LANGUAGE, &dialog->base.language);
-
- // set X/O swap
- sceUtilityGetSystemParamInt(PSP_SYSTEMPARAM_ID_INT_UNKNOWN, &dialog->base.buttonSwap);
-
- // set thread priorities
- // TODO: understand how these work
- dialog->base.soundThread = 0x10;
- dialog->base.graphicsThread = 0x11;
- dialog->base.fontThread = 0x12;
- dialog->base.accessThread = 0x13;
-}
-
-int PSP_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonID)
-{
- unsigned char list[0x20000] __attribute__((aligned(64)));
- pspUtilityMsgDialogParams dialog;
- int status;
-
- // check if it's possible to do a messagebox now
- if (SDL_GetKeyboardFocus() == NULL)
- return SDL_SetError("No video context is available");
-
- // configure dialog
- configure_dialog(&dialog, sizeof(dialog));
-
- // setup dialog options for text
- dialog.mode = PSP_UTILITY_MSGDIALOG_MODE_TEXT;
- dialog.options = PSP_UTILITY_MSGDIALOG_OPTION_TEXT;
-
- // copy the message in, 512 bytes max
- SDL_snprintf(dialog.message, sizeof(dialog.message), "%s\r\n\r\n%s", messageboxdata->title, messageboxdata->message);
-
- // too many buttons
- if (messageboxdata->numbuttons > 2)
- return SDL_SetError("messageboxdata->numbuttons valid values are 0, 1, 2");
-
- // we only have two options, "yes/no" or "ok"
- if (messageboxdata->numbuttons == 2)
- dialog.options |= PSP_UTILITY_MSGDIALOG_OPTION_YESNO_BUTTONS | PSP_UTILITY_MSGDIALOG_OPTION_DEFAULT_NO;
-
- // start dialog
- if (sceUtilityMsgDialogInitStart(&dialog) != 0)
- return SDL_SetError("sceUtilityMsgDialogInitStart() failed for some reason");
-
- // loop while the dialog is active
- status = PSP_UTILITY_DIALOG_NONE;
- do
- {
- sceGuStart(GU_DIRECT, list);
- sceGuClearColor(0);
- sceGuClearDepth(0);
- sceGuClear(GU_COLOR_BUFFER_BIT|GU_DEPTH_BUFFER_BIT);
- sceGuFinish();
- sceGuSync(0,0);
-
- status = sceUtilityMsgDialogGetStatus();
-
- switch (status)
- {
- case PSP_UTILITY_DIALOG_VISIBLE:
- sceUtilityMsgDialogUpdate(1);
- break;
-
- case PSP_UTILITY_DIALOG_QUIT:
- sceUtilityMsgDialogShutdownStart();
- break;
- }
-
- sceDisplayWaitVblankStart();
- sceGuSwapBuffers();
-
- } while (status != PSP_UTILITY_DIALOG_NONE);
-
- // success
- if (dialog.buttonPressed == PSP_UTILITY_MSGDIALOG_RESULT_YES)
- *buttonID = messageboxdata->buttons[0].buttonID;
- else if (dialog.buttonPressed == PSP_UTILITY_MSGDIALOG_RESULT_NO)
- *buttonID = messageboxdata->buttons[1].buttonID;
- else
- *buttonID = messageboxdata->buttons[0].buttonID;
-
- return 0;
-}
-
-#endif // SDL_VIDEO_DRIVER_PSP
diff --git a/src/video/psp/SDL_pspvideo.c b/src/video/psp/SDL_pspvideo.c
index 5c25401e0c2d6..7004b92743ac1 100644
--- a/src/video/psp/SDL_pspvideo.c
+++ b/src/video/psp/SDL_pspvideo.c
@@ -32,11 +32,12 @@
#include "SDL_pspvideo.h"
#include "SDL_pspevents_c.h"
#include "SDL_pspgl_c.h"
-#include "SDL_pspmessagebox.h"
+#include "../../render/psp/SDL_render_psp_c.h"
#include <psputility.h>
#include <pspgu.h>
#include <pspdisplay.h>
+#include <vram.h>
/* unused
static bool PSP_initialized = false;
@@ -120,6 +121,146 @@ static SDL_VideoDevice *PSP_Create(void)
return device;
}
+static void configure_dialog(pspUtilityMsgDialogParams *dialog, size_t dialog_size)
+{
+ // clear structure and setup size
+ SDL_memset(dialog, 0, dialog_size);
+ dialog->base.size = dialog_size;
+
+ // set language
+ sceUtilityGetSystemParamInt(PSP_SYSTEMPARAM_ID_INT_LANGUAGE, &dialog->base.language);
+
+ // set X/O swap
+ sceUtilityGetSystemParamInt(PSP_SYSTEMPARAM_ID_INT_UNKNOWN, &dialog->base.buttonSwap);
+
+ // set thread priorities
+ // TODO: understand how these work
+ dialog->base.soundThread = 0x10;
+ dialog->base.graphicsThread = 0x11;
+ dialog->base.fontThread = 0x12;
+ dialog->base.accessThread = 0x13;
+}
+
+static void *setup_temporal_gu(void *list)
+{
+ // Using GU_PSM_8888 for the framebuffer
+ int bpp = 4;
+
+ void *doublebuffer = vramalloc(PSP_FRAME_BUFFER_SIZE * bpp * 2);
+ void *backbuffer = doublebuffer;
+ void *frontbuffer = ((uint8_t *)doublebuffer) + PSP_FRAME_BUFFER_SIZE * bpp;
+
+ sceGuInit();
+
+ sceGuStart(GU_DIRECT,list);
+ sceGuDrawBuffer(GU_PSM_8888, vrelptr(frontbuffer), PSP_FRAME_BUFFER_WIDTH);
+ sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT, vrelptr(backbuffer), PSP_FRAME_BUFFER_WIDTH);
+
+ sceGuOffset(2048 - (PSP_SCREEN_WIDTH >> 1), 2048 - (PSP_SCREEN_HEIGHT >> 1));
+ sceGuViewport(2048, 2048, PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT);
+
+ sceGuDisable(GU_DEPTH_TEST);
+
+ // Scissoring
+ sceGuScissor(0, 0, PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT);
+ sceGuEnable(GU_SCISSOR_TEST);
+
+ sceGuFinish();
+ sceGuSync(0,0);
+
+ sceDisplayWaitVblankStart();
+ sceGuDisplay(GU_TRUE);
+
+ return doublebuffer;
+}
+
+static void term_temporal_gu(void *guBuffer)
+{
+ sceGuTerm();
+ vfree(guBuffer);
+ sceDisplayWaitVblankStart();
+}
+
+int PSP_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonID)
+{
+ unsigned char list[64] __attribute__((aligned(64)));
+ pspUtilityMsgDialogParams dialog;
+ int status;
+ void *guBuffer = NULL;
+
+ // check if it's possible to use existing video context
+ if (SDL_GetKeyboardFocus() == NULL) {
+ guBuffer = setup_temporal_gu(list);
+ }
+
+ // configure dialog
+ configure_dialog(&dialog, sizeof(dialog));
+
+ // setup dialog options for text
+ dialog.mode = PSP_UTILITY_MSGDIALOG_MODE_TEXT;
+ dialog.options = PSP_UTILITY_MSGDIALOG_OPTION_TEXT;
+
+ // copy the message in, 512 bytes max
+ SDL_snprintf(dialog.message, sizeof(dialog.message), "%s\r\n\r\n%s", messageboxdata->title, messageboxdata->message);
+
+ // too many buttons
+ if (messageboxdata->numbuttons > 2)
+ return SDL_SetError("messageboxdata->numbuttons valid values are 0, 1, 2");
+
+ // we only have two options, "yes/no" or "ok"
+ if (messageboxdata->numbuttons == 2)
+ dialog.options |= PSP_UTILITY_MSGDIALOG_OPTION_YESNO_BUTTONS | PSP_UTILITY_MSGDIALOG_OPTION_DEFAULT_NO;
+
+ // start dialog
+ if (sceUtilityMsgDialogInitStart(&dialog) != 0)
+ return SDL_SetError("sceUtilityMsgDialogInitStart() failed for some reason");
+
+ // loop while the dialog is active
+ status = PSP_UTILITY_DIALOG_NONE;
+ do
+ {
+ sceGuStart(GU_DIRECT, list);
+ sceGuClearColor(0);
+ sceGuClearDepth(0);
+ sceGuClear(GU_COLOR_BUFFER_BIT|GU_DEPTH_BUFFER_BIT);
+ sceGuFinish();
+ sceGuSync(0,0);
+
+ status = sceUtilityMsgDialogGetStatus();
+
+ switch (status)
+ {
+ case PSP_UTILITY_DIALOG_VISIBLE:
+ sceUtilityMsgDialogUpdate(1);
+ break;
+
+ case PSP_UTILITY_DIALOG_QUIT:
+ sceUtilityMsgDialogShutdownStart();
+ break;
+ }
+
+ sceDisplayWaitVblankStart();
+ sceGuSwapBuffers();
+
+ } while (status != PSP_UTILITY_DIALOG_NONE);
+
+ // cleanup
+ if (guBuffer)
+ {
+ term_temporal_gu(guBuffer);
+ }
+
+ // success
+ if (dialog.buttonPressed == PSP_UTILITY_MSGDIALOG_RESULT_YES)
+ *buttonID = messageboxdata->buttons[0].buttonID;
+ else if (dialog.buttonPressed == PSP_UTILITY_MSGDIALOG_RESULT_NO)
+ *buttonID = messageboxdata->buttons[1].buttonID;
+ else
+ *buttonID = messageboxdata->buttons[0].buttonID;
+
+ return 0;
+}
+
VideoBootStrap PSP_bootstrap = {
"psp",
"PSP Video Driver",
@@ -139,8 +280,8 @@ int PSP_VideoInit(SDL_VideoDevice *_this)
}
SDL_zero(mode);
- mode.w = 480;
- mode.h = 272;
+ mode.w = PSP_SCREEN_WIDTH;
+ mode.h = PSP_SCREEN_HEIGHT;
mode.refresh_rate = 60.0f;
// 32 bpp for default
@@ -162,8 +303,8 @@ int PSP_GetDisplayModes(SDL_VideoDevice *_this, SDL_VideoDisplay *display)
SDL_DisplayMode mode;
SDL_zero(mode);
- mode.w = 480;
- mode.h = 272;
+ mode.w = PSP_SCREEN_WIDTH;
+ mode.h = PSP_SCREEN_HEIGHT;
mode.refresh_rate = 60.0f;
// 32 bpp for default