static inline void clear_tex_params(struct darray *in_params)
{
struct pass_shaderparam *params = in_params->array;
for (size_t i = 0; i < in_params->num; i++) {
struct pass_shaderparam *param = params+i;
struct shader_param_info info;
shader_getparaminfo(param->sparam, &info);
if (info.type == SHADER_PARAM_TEXTURE)
shader_settexture(param->sparam, NULL);
}
}
void shader_setval(shader_t shader, sparam_t param, const void *val,
size_t size)
{
int count = param->array_count;
size_t expected_size = 0;
if (!count)
count = 1;
if (!matching_shader(shader, param))
return;
switch ((uint32_t)param->type) {
case SHADER_PARAM_FLOAT: expected_size = sizeof(float); break;
case SHADER_PARAM_BOOL:
case SHADER_PARAM_INT: expected_size = sizeof(int); break;
case SHADER_PARAM_VEC2: expected_size = sizeof(float)*2; break;
case SHADER_PARAM_VEC3: expected_size = sizeof(float)*3; break;
case SHADER_PARAM_VEC4: expected_size = sizeof(float)*4; break;
case SHADER_PARAM_MATRIX4X4: expected_size = sizeof(float)*4*4; break;
case SHADER_PARAM_TEXTURE: expected_size = sizeof(void*); break;
default: expected_size = 0;
}
expected_size *= count;
if (!expected_size)
return;
if (expected_size != size) {
blog(LOG_ERROR, "shader_setval (GL): Size of shader param does "
"not match the size of the input");
return;
}
if (param->type == SHADER_PARAM_TEXTURE)
shader_settexture(shader, param, *(texture_t*)val);
else
shader_setval_data(shader, param, val, count);
}