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ShaderBlock:send(blob);

This commit is contained in:
bjorn 2018-08-06 10:42:23 -07:00
parent 86380e7694
commit f95685ba80
1 changed files with 16 additions and 6 deletions
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22
src/api/types/shaderBlock.c
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@ -24,12 +24,22 @@ int l_lovrShaderBlockIsWritable(lua_State* L) {
int l_lovrShaderBlockSend(lua_State* L) {
ShaderBlock* block = luax_checktype(L, 1, ShaderBlock);
const char* name = luaL_checkstring(L, 2);
const Uniform* uniform = lovrShaderBlockGetUniform(block, name);
lovrAssert(uniform, "Unknown uniform for ShaderBlock '%s'", name);
uint8_t* data = ((uint8_t*) lovrShaderBlockMap(block)) + uniform->offset;
luax_checkuniform(L, 3, uniform, data, name);
return 0;
if (lua_type(L, 2) == LUA_TSTRING) {
const char* name = luaL_checkstring(L, 2);
const Uniform* uniform = lovrShaderBlockGetUniform(block, name);
lovrAssert(uniform, "Unknown uniform for ShaderBlock '%s'", name);
uint8_t* data = ((uint8_t*) lovrShaderBlockMap(block)) + uniform->offset;
luax_checkuniform(L, 3, uniform, data, name);
return 0;
} else {
Blob* blob = luax_checktype(L, 1, Blob);
void* data = lovrShaderBlockMap(block);
size_t blockSize = lovrShaderBlockGetSize(block);
size_t copySize = MIN(blockSize, blob->size);
memcpy(data, blob->data, copySize);
lua_pushinteger(L, copySize);
return 1;
}
}
const luaL_Reg lovrShaderBlock[] = {