mirror of https://github.com/bjornbytes/lovr.git
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
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#include "api.h"
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#include "graphics/graphics.h"
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#include "data/blob.h"
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#include "util.h"
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#include <lua.h>
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#include <lauxlib.h>
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#include <stdlib.h>
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#include <string.h>
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static int l_lovrBufferGetSize(lua_State* L) {
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Buffer* buffer = luax_checktype(L, 1, Buffer);
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const BufferInfo* info = lovrBufferGetInfo(buffer);
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uint32_t size = info->length * MAX(info->stride, 1);
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lua_pushinteger(L, size);
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return 1;
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}
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static int l_lovrBufferGetLength(lua_State* L) {
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Buffer* buffer = luax_checktype(L, 1, Buffer);
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const BufferInfo* info = lovrBufferGetInfo(buffer);
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lua_pushinteger(L, info->length);
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return 1;
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}
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static int l_lovrBufferGetStride(lua_State* L) {
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Buffer* buffer = luax_checktype(L, 1, Buffer);
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const BufferInfo* info = lovrBufferGetInfo(buffer);
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lua_pushinteger(L, info->stride);
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return 1;
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}
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static int l_lovrBufferGetFormat(lua_State* L) {
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Buffer* buffer = luax_checktype(L, 1, Buffer);
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const BufferInfo* info = lovrBufferGetInfo(buffer);
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lua_createtable(L, info->fieldCount, 0);
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for (uint32_t i = 0; i < info->fieldCount; i++) {
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const BufferField* field = &info->fields[i];
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lua_createtable(L, 3, 0);
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lua_pushinteger(L, field->location);
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lua_rawseti(L, -2, 1);
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luax_pushenum(L, FieldType, field->type);
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lua_rawseti(L, -2, 2);
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lua_pushinteger(L, field->offset);
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lua_rawseti(L, -2, 3);
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lua_rawseti(L, -2, i + 1);
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}
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return 1;
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}
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const luaL_Reg lovrBuffer[] = {
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{ "getSize", l_lovrBufferGetSize },
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{ "getLength", l_lovrBufferGetLength },
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{ "getStride", l_lovrBufferGetStride },
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{ "getFormat", l_lovrBufferGetFormat },
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{ NULL, NULL }
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};
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