Erwan

- putting valloc.c back in the project as some persons have problem using/finding the valloc library

JGE/Makefile

@@ -16,7 +16,7 @@ GENERIC_OBJS = src/JApp.o src/JGBKFont.o \
 	src/tinyxml/tinyxmlparser.o src/tinyxml/tinyxmlerror.o \
 	src/Encoding.o src/JTTFont.o \
 	src/JMD2Model.o src/JOBJModel.o
-PSP_OBJS = src/JSocket.o src/JGfx.o src/JSfx.o src/JAudio.o src/JMP3.o src/decoder_prx.o src/main.o
+PSP_OBJS = src/JSocket.o src/JGfx.o src/JSfx.o src/JAudio.o src/JMP3.o src/decoder_prx.o src/main.o src/valloc.o
 LINUX_OBJS = src/linux/JGfx.o src/linux/JSfx.o src/Xmain.o
 
 

JGE/include/valloc.h

@@ -0,0 +1,33 @@
+#ifndef _VALLOC_H
+#define _VALLOC_H
+
+#include <stddef.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define vrelptr	vGuPointer
+#define vabsptr vCPUPointer
+
+size_t vgetMemorySize(unsigned int width, unsigned int height, unsigned int psm);
+
+// Return a pointer relative to VRAM Base address useable by GU
+void* vGuPointer( void* ptr );
+// Return an absolute pointer useable by CPU
+void* vCPUPointer( void* ptr );
+
+// Returns an absolute pointer useable by CPU
+void* valloc( size_t size );
+void  vfree( void* ptr );
+
+size_t vmemavail();
+size_t vlargestblock();
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	// _VALLOC_H

JGE/src/JGfx.cpp

@@ -18,8 +18,7 @@
 #include <pspdebug.h>
 #include <pspdisplay.h>
 #include <png.h>
-#include <vram.h>
-#include <valloc.h>
+#include "../include/valloc.h"
 
 #ifdef __cplusplus
 extern "C" {

JGE/src/valloc.c

@@ -0,0 +1,284 @@
+/*
+ * Helper for use with the PSP Software Development Kit - http://www.pspdev.org
+ * -----------------------------------------------------------------------
+ * Licensed as 'free to use and modify as long as credited appropriately'
+ *
+ * valloc.c - Standard C library VRAM allocation routines.
+ *
+ * Copyright (c) 2006 Alexander Berl <a.berl@gmx.de>
+ *
+ */
+//#include <psptypes.h>
+//#include <pspkernel.h>
+#include <pspgu.h>
+#include <malloc.h>
+#include "valloc.h"
+
+
+/* Use this to set the default valloc() alignment. */
+#define DEFAULT_VALIGNMENT	16
+
+#ifndef ALIGN
+#define ALIGN(x, align) (((x)+((align)-1))&~((align)-1))
+#endif
+
+
+#define VRAM_SIZE 0x200000
+#define VRAM_BASE ((unsigned int)sceGeEdramGetAddr())
+
+/* _vram_mem_block_header structure. */
+typedef struct _vram_mem_header {
+        void *	ptr;
+        size_t	size;
+        struct _vram_mem_header * prev;
+        struct _vram_mem_header * next;
+} vram_mem_header_t;
+
+
+
+void * __valloc_vram_base = (void*)0;
+vram_mem_header_t *__valloc_vram_head = NULL;
+vram_mem_header_t *__valloc_vram_tail = NULL;
+
+
+
+size_t vgetMemorySize(unsigned int width, unsigned int height, unsigned int psm)
+{
+        switch (psm)
+        {
+                case GU_PSM_T4:
+                        return (width * height) >> 1;
+
+                case GU_PSM_T8:
+                        return width * height;
+
+                case GU_PSM_5650:
+                case GU_PSM_5551:
+                case GU_PSM_4444:
+                case GU_PSM_T16:
+                        return 2 * width * height;
+
+                case GU_PSM_8888:
+                case GU_PSM_T32:
+                        return 4 * width * height;
+
+                default:
+                        return 0;
+        }
+}
+
+inline void* vGuPointer( void *ptr )
+{
+        return (void*)((u32)ptr & ~VRAM_BASE);
+}
+
+inline void* vCPUPointer( void *ptr )
+{
+        return (void*)((u32)ptr | VRAM_BASE);
+}
+
+/* Find the smallest block that we can allocate AFTER, returning NULL if there
+   are none.  */
+vram_mem_header_t * _vram_mem_fit(vram_mem_header_t *head, size_t size)
+{
+        vram_mem_header_t *prev_mem = head, *best_fit = NULL;
+        u32 prev_top, next_bot;
+        size_t best_size = 0;
+
+        if (((u32)head->ptr+head->size+size)<VRAM_SIZE) {
+                best_fit = head;
+                best_size = VRAM_SIZE - ((u32)head->ptr+head->size);
+        }
+
+        while (prev_mem != NULL) {
+                if (prev_mem->next != NULL) {
+                        prev_top = (u32)prev_mem->ptr;
+                        next_bot = prev_top - ((u32)prev_mem->next->ptr + prev_mem->next->size);
+                        if (next_bot >= size) {
+                                if (best_fit==NULL || next_bot<best_size) {
+                                        best_fit = prev_mem->next;
+                                        best_size = next_bot;
+                                }
+                        }
+                }
+
+                prev_mem = prev_mem->next;
+        }
+
+        return best_fit;
+}
+
+void * valloc(size_t size)
+{
+        void *ptr = NULL;
+        vram_mem_header_t *new_mem, *prev_mem;
+        size_t mem_sz;
+
+        mem_sz = size;
+
+        if ((mem_sz & (DEFAULT_VALIGNMENT - 1)) != 0)
+                mem_sz = ALIGN(mem_sz, DEFAULT_VALIGNMENT);
+
+
+        /* If we don't have any allocated blocks, reserve the first block
+           and initialize __valloc_vram_tail.  */
+        if (__valloc_vram_head == NULL) {
+                if (size>VRAM_SIZE)
+                        return ptr;
+
+                __valloc_vram_head = (vram_mem_header_t *)malloc( sizeof(vram_mem_header_t) );
+                if (__valloc_vram_head == NULL)
+                        return ptr;
+
+                ptr = (void *)__valloc_vram_base;
+
+
+                __valloc_vram_head->ptr  = ptr;
+                __valloc_vram_head->size = mem_sz;
+                __valloc_vram_head->prev = NULL;
+                __valloc_vram_head->next = NULL;
+
+                __valloc_vram_tail = __valloc_vram_head;
+                
+                return vabsptr(ptr);
+        }
+
+        /* Check to see if there's free space at the bottom of the heap.
+           NOTE: This case is now already handled in _vram_mem_fit */
+        /*if (((u32)__valloc_vram_head->ptr + __valloc_vram_head->size + mem_sz) < VRAM_SIZE) {
+                new_mem = (vram_mem_header_t *)malloc( sizeof(vram_mem_header_t) );
+                if (new_mem == NULL)
+                        return ptr;
+                ptr     = (void *)((u32)__valloc_vram_head->ptr + __valloc_vram_head->size);
+
+                new_mem->ptr  = ptr;
+                new_mem->size = mem_sz;
+                new_mem->prev = NULL;
+                new_mem->next = __valloc_vram_head;
+                new_mem->next->prev = new_mem;
+                __valloc_vram_head = new_mem;
+                
+                return ptr;
+        }*/
+
+        /* See if we can allocate the block anywhere. */
+        prev_mem = _vram_mem_fit(__valloc_vram_head, mem_sz);
+        if (prev_mem != NULL) {
+                new_mem = (vram_mem_header_t *)malloc( sizeof(vram_mem_header_t) );
+                if (new_mem == NULL)
+                        return ptr;
+                ptr     = (void *)((u32)prev_mem->ptr + prev_mem->size);
+
+                new_mem->ptr  = ptr;
+                new_mem->size = mem_sz;
+                new_mem->prev = prev_mem->prev;
+                if (new_mem->prev!=NULL)
+                  new_mem->prev->next = new_mem;
+                new_mem->next = prev_mem;
+                prev_mem->prev = new_mem;
+                if (prev_mem == __valloc_vram_head)
+                  __valloc_vram_head = new_mem;
+
+                return vabsptr(ptr);
+        }
+
+        /* Now we have a problem: There's no room at the bottom and also no room in between.
+           So either we do compact the memory (time critical because memcopies needed) or we
+           just return NULL so the application has to handle this case itself.
+           For now we'll just return NULL
+        */
+
+        return ptr;
+}
+
+
+
+void vfree(void *ptr)
+{
+        vram_mem_header_t *cur;
+
+        if (!ptr)
+                return;
+        
+        if (!__valloc_vram_head)
+                return;
+
+        ptr = vrelptr(ptr);
+
+        /* Freeing the head pointer is a special case.  */
+        if (ptr == __valloc_vram_head->ptr) {
+
+                cur = __valloc_vram_head->next;
+                free(__valloc_vram_head);
+
+                __valloc_vram_head = cur;
+
+                if (__valloc_vram_head != NULL) {
+                        __valloc_vram_head->prev = NULL;
+                } else {
+                        __valloc_vram_tail = NULL;
+                }
+                
+                return;
+        }
+
+        cur = __valloc_vram_head;
+        while (ptr != cur->ptr)  {
+                /* ptr isn't in our list */
+                if (cur->next == NULL) {
+                        return;
+                }
+                cur = cur->next;
+        }
+
+        /* Deallocate the block.  */
+        if (cur->next != NULL) {
+                cur->next->prev = cur->prev;
+        } else {
+                /* If this block was the last one in the list, shrink the heap.  */
+                __valloc_vram_tail = cur->prev;
+        }
+
+        cur->prev->next = cur->next;
+        free( cur );
+        
+}
+
+
+size_t vmemavail()
+{
+        if (__valloc_vram_head==NULL)
+                return VRAM_SIZE;
+        
+        vram_mem_header_t *cur;
+        size_t size = VRAM_SIZE - ((u32)__valloc_vram_head->ptr + __valloc_vram_head->size);
+
+        cur = __valloc_vram_head;
+        while (cur->next!=NULL)  {
+                size += (u32)cur->ptr - ((u32)cur->next->ptr + cur->next->size);
+                cur = cur->next;
+        }
+
+        return size;
+}
+
+
+size_t vlargestblock()
+{
+        if (__valloc_vram_head==NULL)
+                return VRAM_SIZE;
+        
+        vram_mem_header_t *cur;
+        size_t size = VRAM_SIZE - ((u32)__valloc_vram_head->ptr + __valloc_vram_head->size);
+        size_t new_size;
+
+        cur = __valloc_vram_head;
+        while (cur->next!=NULL)  {
+                new_size = (u32)cur->ptr - ((u32)cur->next->ptr + cur->next->size);
+                if (new_size>size) size = new_size;
+                cur = cur->next;
+        }
+
+        return size;
+}
+

projects/mtg/Makefile

@@ -27,7 +27,7 @@ DEFAULT_RULE = 3xx
 TARGET_ARCHITECTURE = psp
 PSP_FW_VERSION=371
 BUILD_PRX = 1
-LIBS = -ljge300 -lhgetools -lfreetype -ljpeg -lgif -lpng -lz -lm -lmikmod -lpsppower -lpspmpeg -lpspaudiocodec -lpspaudiolib -lpspaudio -lpspmp3 -lpspgum -lpspgu -lpsprtc -lstdc++ -lpspfpu -lpspvalloc 
+LIBS = -ljge300 -lhgetools -lfreetype -ljpeg -lgif -lpng -lz -lm -lmikmod -lpsppower -lpspmpeg -lpspaudiocodec -lpspaudiolib -lpspaudio -lpspmp3 -lpspgum -lpspgu -lpsprtc -lstdc++ -lpspfpu
 
 EXTRA_TARGETS = EBOOT.PBP
 PSP_EBOOT_TITLE = Wagic, the Homebrew?!