107 lines
2.3 KiB
C

#include "utils.h"
#include <math.h>
#include <string.h>
void *gpu_alloc(SceKernelMemBlockType type, unsigned int size, unsigned int alignment, unsigned int attribs, SceUID *uid)
{
void *mem;
if (type == SCE_KERNEL_MEMBLOCK_TYPE_USER_CDRAM_RW)
size = ALIGN(size, 256*1024);
else
size = ALIGN(size, 4*1024);
*uid = sceKernelAllocMemBlock("gpu_mem", type, size, NULL);
if (*uid < 0)
return NULL;
if (sceKernelGetMemBlockBase(*uid, &mem) < 0)
return NULL;
if (sceGxmMapMemory(mem, size, attribs) < 0)
return NULL;
return mem;
}
void gpu_free(SceUID uid)
{
void *mem = NULL;
if (sceKernelGetMemBlockBase(uid, &mem) < 0)
return;
sceGxmUnmapMemory(mem);
sceKernelFreeMemBlock(uid);
}
void *vertex_usse_alloc(unsigned int size, SceUID *uid, unsigned int *usse_offset)
{
void *mem = NULL;
size = ALIGN(size, 4096);
*uid = sceKernelAllocMemBlock("vertex_usse", SCE_KERNEL_MEMBLOCK_TYPE_USER_RW_UNCACHE, size, NULL);
if (sceKernelGetMemBlockBase(*uid, &mem) < 0)
return NULL;
if (sceGxmMapVertexUsseMemory(mem, size, usse_offset) < 0)
return NULL;
return mem;
}
void vertex_usse_free(SceUID uid)
{
void *mem = NULL;
if (sceKernelGetMemBlockBase(uid, &mem) < 0)
return;
sceGxmUnmapVertexUsseMemory(mem);
sceKernelFreeMemBlock(uid);
}
void *fragment_usse_alloc(unsigned int size, SceUID *uid, unsigned int *usse_offset)
{
void *mem = NULL;
size = ALIGN(size, 4096);
*uid = sceKernelAllocMemBlock("fragment_usse", SCE_KERNEL_MEMBLOCK_TYPE_USER_RW_UNCACHE, size, NULL);
if (sceKernelGetMemBlockBase(*uid, &mem) < 0)
return NULL;
if (sceGxmMapFragmentUsseMemory(mem, size, usse_offset) < 0)
return NULL;
return mem;
}
void fragment_usse_free(SceUID uid)
{
void *mem = NULL;
if (sceKernelGetMemBlockBase(uid, &mem) < 0)
return;
sceGxmUnmapFragmentUsseMemory(mem);
sceKernelFreeMemBlock(uid);
}
void matrix_init_orthographic(float *m, float left, float right, float bottom, float top, float near, float far)
{
m[0x0] = 2.0f/(right-left);
m[0x4] = 0.0f;
m[0x8] = 0.0f;
m[0xC] = -(right+left)/(right-left);
m[0x1] = 0.0f;
m[0x5] = 2.0f/(top-bottom);
m[0x9] = 0.0f;
m[0xD] = -(top+bottom)/(top-bottom);
m[0x2] = 0.0f;
m[0x6] = 0.0f;
m[0xA] = -2.0f/(far-near);
m[0xE] = (far+near)/(far-near);
m[0x3] = 0.0f;
m[0x7] = 0.0f;
m[0xB] = 0.0f;
m[0xF] = 1.0f;
}