| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2022 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" |
| |
| #if SDL_VIDEO_RENDER_VITA_GXM |
| |
| #include "SDL_render_vita_gxm_memory.h" |
| |
| void * |
| vita_mem_alloc(unsigned int 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 |
| vita_mem_free(SceUID uid) |
| { |
| void *mem = NULL; |
| if (sceKernelGetMemBlockBase(uid, &mem) < 0) |
| return; |
| sceGxmUnmapMemory(mem); |
| sceKernelFreeMemBlock(uid); |
| } |
| |
| void * |
| vita_gpu_mem_alloc(VITA_GXM_RenderData *data, unsigned int size) |
| { |
| void *mem; |
| |
| if (data->texturePool == NULL) { |
| int poolsize; |
| int ret; |
| SceKernelFreeMemorySizeInfo info; |
| info.size = sizeof(SceKernelFreeMemorySizeInfo); |
| sceKernelGetFreeMemorySize(&info); |
| |
| poolsize = ALIGN(info.size_cdram, 256*1024); |
| if (poolsize > info.size_cdram) { |
| poolsize = ALIGN(info.size_cdram - 256*1024, 256*1024); |
| } |
| data->texturePoolUID = sceKernelAllocMemBlock("gpu_texture_pool", SCE_KERNEL_MEMBLOCK_TYPE_USER_CDRAM_RW, poolsize, NULL); |
| if (data->texturePoolUID < 0) { |
| return NULL; |
| } |
| |
| ret = sceKernelGetMemBlockBase(data->texturePoolUID, &mem); |
| if ( ret < 0) |
| { |
| return NULL; |
| } |
| data->texturePool = sceClibMspaceCreate(mem, poolsize); |
| |
| if (data->texturePool == NULL) { |
| return NULL; |
| } |
| ret = sceGxmMapMemory(mem, poolsize, SCE_GXM_MEMORY_ATTRIB_READ | SCE_GXM_MEMORY_ATTRIB_WRITE); |
| if (ret < 0) |
| { |
| return NULL; |
| } |
| } |
| return sceClibMspaceMemalign(data->texturePool, SCE_GXM_TEXTURE_ALIGNMENT, size); |
| } |
| |
| void |
| vita_gpu_mem_free(VITA_GXM_RenderData *data, void* ptr) |
| { |
| if (data->texturePool != NULL) |
| { |
| sceClibMspaceFree(data->texturePool, ptr); |
| } |
| } |
| |
| void |
| vita_gpu_mem_destroy(VITA_GXM_RenderData *data) |
| { |
| void *mem = NULL; |
| if (data->texturePool != NULL) |
| { |
| sceClibMspaceDestroy(data->texturePool); |
| data->texturePool = NULL; |
| if (sceKernelGetMemBlockBase(data->texturePoolUID, &mem) < 0) |
| return; |
| sceGxmUnmapMemory(mem); |
| sceKernelFreeMemBlock(data->texturePoolUID); |
| } |
| } |
| |
| void * |
| vita_mem_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 |
| vita_mem_vertex_usse_free(SceUID uid) |
| { |
| void *mem = NULL; |
| if (sceKernelGetMemBlockBase(uid, &mem) < 0) |
| return; |
| sceGxmUnmapVertexUsseMemory(mem); |
| sceKernelFreeMemBlock(uid); |
| } |
| |
| void * |
| vita_mem_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 |
| vita_mem_fragment_usse_free(SceUID uid) |
| { |
| void *mem = NULL; |
| if (sceKernelGetMemBlockBase(uid, &mem) < 0) |
| return; |
| sceGxmUnmapFragmentUsseMemory(mem); |
| sceKernelFreeMemBlock(uid); |
| } |
| |
| #endif /* SDL_VIDEO_RENDER_VITA_GXM */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |