From 6167122d8e50e63ee047d979bb88af9a78d434a2 Mon Sep 17 00:00:00 2001
From: condret <condr3t@protonmail.com>
Date: Wed, 30 Oct 2024 04:46:40 +0100
Subject: [PATCH] more ppu

---
 include/gb.h |  4 ++--
 io/dma.c     |  8 ++++----
 io/ppu.c     | 43 ++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 48 insertions(+), 7 deletions(-)

diff --git a/include/gb.h b/include/gb.h
index ee384ef..fcc090a 100644
--- a/include/gb.h
+++ b/include/gb.h
@@ -116,9 +116,9 @@ typedef struct gameboy_t {
 	int cartrigde_fd;
 } GB;
 
-GBPPU *gb_ppu_open (RIO *io);
+GBPPU *gb_ppu_open (RIO *io, SDL_Renderer *renderer);
 void gb_ppu_update (GB *gb, ut32 cycles);
-void gb_ppu_close (GBPPU *ppu);
+void gb_ppu_close (GBPPU *ppu, RIO *io);
 
 extern RIOPlugin r_io_plugin_gb_timers;
 extern RIOPlugin r_io_plugin_gb_mbc1;
diff --git a/io/dma.c b/io/dma.c
index 0fb1b4b..7b3fe6f 100644
--- a/io/dma.c
+++ b/io/dma.c
@@ -189,15 +189,15 @@ GBDMA *gb_dma_open (RIO *io) {
 		return NULL;
 	}
 	dma->dma_bank_id = bank->id;
-	char uri[64];
-	memset (uri, 0x00, sizeof (char) * 64);
-	strcpy (uri, "malloc://0xa0");
-	dma->oam_fd = r_io_fd_open (io, uri, R_PERM_RWX, 0);
+//	strcpy (uri, "malloc://0xa0");
+	dma->oam_fd = r_io_fd_open (io, "malloc://0xa0", R_PERM_RWX, 0);
 	if (dma->oam_fd < 0) {
 		r_io_bank_free (bank);
 		free (dma);
 		return NULL;
 	}
+	char uri[64];
+	memset (uri, 0x00, sizeof (char) * 64);
 	sprintf (uri, "gb_dma://%p", dma);
 	RIODesc *desc = r_io_desc_open_plugin (io, &r_io_plugin_gb_dma,
 		uri, R_PERM_RWX, 0);
diff --git a/io/ppu.c b/io/ppu.c
index 99a373b..07f5597 100644
--- a/io/ppu.c
+++ b/io/ppu.c
@@ -1,8 +1,9 @@
 #include <stdio.h>
 #include <string.h>
-#include <gb.h>
 #include <r_io.h>
 #include <r_util.h>
+#include <gb.h>
+#include <ragb_sdl.h>
 
 RIOPlugin r_io_plugin_gb_ppu;
 
@@ -93,3 +94,43 @@ RIOPlugin r_io_plugin_gb_ppu = {
 	.seek = __lseek,
 	.write = __write,
 };
+
+GBPPU *gb_ppu_open (RIO *io, SDL_Renderer *renderer) {
+	GBPPU *ppu = R_NEW0 (GBPPU);
+	if (!ppu) {
+		return NULL;
+	}
+	ppu->vram_fd = r_io_fd_open (io, "malloc//:0x2000", R_PERM_RWX, 0);
+	if (ppu->vram_fd < 0) {
+		free (ppu);
+		return NULL;
+	}
+	char uri[64];
+	sprintf (uri, "gb_ppu://%p", ppu);
+	RIODesc *desc = r_io_desc_open_plugin (io, &r_io_plugin_gb_ppu, uri, R_PERM_RWX, 0);
+	if (!desc) {
+		r_io_fd_close (io, ppu->vram_fd);
+		free (ppu);
+		return NULL;
+	}
+	ppu->reg_fd = desc->fd;
+	ppu->pixbuf = gb_pix_buf_new (renderer, 160, 144);
+	if (!ppu->pixbuf) {
+		r_io_desc_close (desc);
+		r_io_fd_close (io, ppu->vram_fd);
+		free (ppu);
+		return NULL;
+	}
+	return ppu;
+}
+
+void gb_ppu_update (GB *gb, ut32 cycles) {
+	//TODO
+}
+
+void gb_ppu_close (GBPPU *ppu, RIO *io) {
+	r_io_fd_close (ppu->vram_fd);
+	r_io_fd_close (ppu->reg_fd);
+	gb_pix_buf_free (ppu->pixbuf);
+	free (ppu);
+}