static void init_velement_lowered(struct st_context *st,
const struct st_vertex_program *vp,
struct pipe_vertex_element *velements,
int src_offset, int format,
int instance_divisor, int vbo_index,
int nr_components, GLboolean doubles,
GLuint *attr_idx)
{
int idx = *attr_idx;
if (doubles) {
int lower_format;
if (nr_components < 2)
lower_format = PIPE_FORMAT_R32G32_UINT;
else
lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
init_velement(&velements[idx], src_offset,
lower_format, instance_divisor, vbo_index);
idx++;
if (idx < vp->num_inputs &&
vp->index_to_input[idx] == ST_DOUBLE_ATTRIB_PLACEHOLDER) {
if (nr_components >= 3) {
if (nr_components == 3)
lower_format = PIPE_FORMAT_R32G32_UINT;
else
lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
init_velement(&velements[idx], src_offset + 4 * sizeof(float),
lower_format, instance_divisor, vbo_index);
} else {
/* The values here are undefined. Fill in some conservative
* dummy values.
*/
init_velement(&velements[idx], src_offset, PIPE_FORMAT_R32G32_UINT,
instance_divisor, vbo_index);
}
idx++;
}
} else {
init_velement(&velements[idx], src_offset,
format, instance_divisor, vbo_index);
idx++;
}
*attr_idx = idx;
}
static void init_velement_lowered(const struct st_vertex_program *vp,
struct pipe_vertex_element *velements,
const struct gl_vertex_format *vformat,
int src_offset, int instance_divisor,
int vbo_index, int idx)
{
const GLubyte nr_components = vformat->Size;
if (vformat->Doubles) {
int lower_format;
if (nr_components < 2)
lower_format = PIPE_FORMAT_R32G32_UINT;
else
lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
init_velement(&velements[idx], src_offset,
lower_format, instance_divisor, vbo_index);
idx++;
if (idx < vp->num_inputs &&
vp->index_to_input[idx] == ST_DOUBLE_ATTRIB_PLACEHOLDER) {
if (nr_components >= 3) {
if (nr_components == 3)
lower_format = PIPE_FORMAT_R32G32_UINT;
else
lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
init_velement(&velements[idx], src_offset + 4 * sizeof(float),
lower_format, instance_divisor, vbo_index);
} else {
/* The values here are undefined. Fill in some conservative
* dummy values.
*/
init_velement(&velements[idx], src_offset, PIPE_FORMAT_R32G32_UINT,
instance_divisor, vbo_index);
}
}
} else {
const unsigned format = st_pipe_vertex_format(vformat);
init_velement(&velements[idx], src_offset,
format, instance_divisor, vbo_index);
}
}
static void init_velement_lowered(struct st_context *st,
struct pipe_vertex_element *velements,
int src_offset, int format,
int instance_divisor, int vbo_index,
int nr_components, GLboolean doubles,
GLuint *attr_idx)
{
int idx = *attr_idx;
if (doubles) {
int lower_format;
if (nr_components == 1)
lower_format = PIPE_FORMAT_R32G32_UINT;
else if (nr_components >= 2)
lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
init_velement(&velements[idx], src_offset,
lower_format, instance_divisor, vbo_index);
idx++;
if (nr_components > 2) {
if (nr_components == 3)
lower_format = PIPE_FORMAT_R32G32_UINT;
else if (nr_components >= 4)
lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
init_velement(&velements[idx], src_offset + 4 * sizeof(float),
lower_format, instance_divisor, vbo_index);
idx++;
}
} else {
init_velement(&velements[idx], src_offset,
format, instance_divisor, vbo_index);
idx++;
}
*attr_idx = idx;
}
