#include "lp_bld_arit.h"
#include "lp_bld_bitarit.h"
#include "lp_bld_logic.h"
+#include "lp_bld_printf.h"
#include "lp_bld_swizzle.h"
#include "lp_bld_flow.h"
#include "lp_bld_gather.h"
#include "lp_bld_format.h"
#include "lp_bld_sample.h"
#include "lp_bld_sample_aos.h"
+#include "lp_bld_struct.h"
#include "lp_bld_quad.h"
-/**
- * Does the given texture wrap mode allow sampling the texture border color?
- * XXX maybe move this into gallium util code.
- */
-static boolean
-wrap_mode_uses_border_color(unsigned mode)
-{
- switch (mode) {
- case PIPE_TEX_WRAP_REPEAT:
- case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
- case PIPE_TEX_WRAP_MIRROR_REPEAT:
- case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
- return FALSE;
- case PIPE_TEX_WRAP_CLAMP:
- case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
- case PIPE_TEX_WRAP_MIRROR_CLAMP:
- case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
- return TRUE;
- default:
- assert(0 && "unexpected wrap mode");
- return FALSE;
- }
-}
-
-
/**
* Generate code to fetch a texel from a texture at int coords (x, y, z).
* The computation depends on whether the texture is 1D, 2D or 3D.
*/
static void
lp_build_sample_texel_soa(struct lp_build_sample_context *bld,
+ unsigned unit,
LLVMValueRef width,
LLVMValueRef height,
LLVMValueRef depth,
LLVMValueRef data_ptr,
LLVMValueRef texel_out[4])
{
- const int dims = texture_dims(bld->static_state->target);
+ const struct lp_sampler_static_state *static_state = bld->static_state;
+ const unsigned dims = bld->dims;
struct lp_build_context *int_coord_bld = &bld->int_coord_bld;
LLVMValueRef offset;
LLVMValueRef i, j;
LLVMValueRef use_border = NULL;
/* use_border = x < 0 || x >= width || y < 0 || y >= height */
- if (wrap_mode_uses_border_color(bld->static_state->wrap_s)) {
+ if (lp_sampler_wrap_mode_uses_border_color(static_state->wrap_s,
+ static_state->min_img_filter,
+ static_state->mag_img_filter)) {
LLVMValueRef b1, b2;
b1 = lp_build_cmp(int_coord_bld, PIPE_FUNC_LESS, x, int_coord_bld->zero);
b2 = lp_build_cmp(int_coord_bld, PIPE_FUNC_GEQUAL, x, width);
use_border = LLVMBuildOr(bld->builder, b1, b2, "b1_or_b2");
}
- if (dims >= 2 && wrap_mode_uses_border_color(bld->static_state->wrap_t)) {
+ if (dims >= 2 &&
+ lp_sampler_wrap_mode_uses_border_color(static_state->wrap_t,
+ static_state->min_img_filter,
+ static_state->mag_img_filter)) {
LLVMValueRef b1, b2;
b1 = lp_build_cmp(int_coord_bld, PIPE_FUNC_LESS, y, int_coord_bld->zero);
b2 = lp_build_cmp(int_coord_bld, PIPE_FUNC_GEQUAL, y, height);
}
}
- if (dims == 3 && wrap_mode_uses_border_color(bld->static_state->wrap_r)) {
+ if (dims == 3 &&
+ lp_sampler_wrap_mode_uses_border_color(static_state->wrap_r,
+ static_state->min_img_filter,
+ static_state->mag_img_filter)) {
LLVMValueRef b1, b2;
b1 = lp_build_cmp(int_coord_bld, PIPE_FUNC_LESS, z, int_coord_bld->zero);
b2 = lp_build_cmp(int_coord_bld, PIPE_FUNC_GEQUAL, z, depth);
}
/* convert x,y,z coords to linear offset from start of texture, in bytes */
- lp_build_sample_offset(&bld->uint_coord_bld,
+ lp_build_sample_offset(&bld->int_coord_bld,
bld->format_desc,
x, y, z, y_stride, z_stride,
&offset, &i, &j);
* coords which are out of bounds to become zero. Zero's guaranteed
* to be inside the texture image.
*/
- offset = lp_build_andnot(&bld->uint_coord_bld, offset, use_border);
+ offset = lp_build_andnot(&bld->int_coord_bld, offset, use_border);
}
lp_build_fetch_rgba_soa(bld->builder,
i, j,
texel_out);
- apply_sampler_swizzle(bld, texel_out);
-
/*
* Note: if we find an app which frequently samples the texture border
* we might want to implement a true conditional here to avoid sampling
if (use_border) {
/* select texel color or border color depending on use_border */
+ LLVMValueRef border_color_ptr =
+ bld->dynamic_state->border_color(bld->dynamic_state,
+ bld->builder, unit);
int chan;
for (chan = 0; chan < 4; chan++) {
LLVMValueRef border_chan =
- lp_build_const_vec(bld->texel_type,
- bld->static_state->border_color[chan]);
+ lp_build_array_get(bld->builder, border_color_ptr,
+ lp_build_const_int32(chan));
+ LLVMValueRef border_chan_vec =
+ lp_build_broadcast_scalar(&bld->float_vec_bld, border_chan);
texel_out[chan] = lp_build_select(&bld->texel_bld, use_border,
- border_chan, texel_out[chan]);
+ border_chan_vec, texel_out[chan]);
}
}
+
+ apply_sampler_swizzle(bld, texel_out);
}
struct lp_build_context *int_coord_bld = &bld->int_coord_bld;
LLVMValueRef fract, flr, isOdd;
- /* fract = coord - floor(coord) */
- fract = lp_build_sub(coord_bld, coord, lp_build_floor(coord_bld, coord));
-
- /* flr = ifloor(coord); */
- flr = lp_build_ifloor(coord_bld, coord);
+ lp_build_ifloor_fract(coord_bld, coord, &flr, &fract);
/* isOdd = flr & 1 */
isOdd = LLVMBuildAnd(bld->builder, flr, int_coord_bld->one, "");
lp_build_sample_wrap_linear(struct lp_build_sample_context *bld,
LLVMValueRef coord,
LLVMValueRef length,
+ LLVMValueRef length_f,
boolean is_pot,
unsigned wrap_mode,
LLVMValueRef *x0_out,
{
struct lp_build_context *coord_bld = &bld->coord_bld;
struct lp_build_context *int_coord_bld = &bld->int_coord_bld;
- struct lp_build_context *uint_coord_bld = &bld->uint_coord_bld;
LLVMValueRef half = lp_build_const_vec(coord_bld->type, 0.5);
- LLVMValueRef length_f = lp_build_int_to_float(coord_bld, length);
- LLVMValueRef length_minus_one = lp_build_sub(uint_coord_bld, length, uint_coord_bld->one);
+ LLVMValueRef length_minus_one = lp_build_sub(int_coord_bld, length, int_coord_bld->one);
LLVMValueRef coord0, coord1, weight;
switch(wrap_mode) {
/* mul by size and subtract 0.5 */
coord = lp_build_mul(coord_bld, coord, length_f);
coord = lp_build_sub(coord_bld, coord, half);
- /* convert to int */
- coord0 = lp_build_ifloor(coord_bld, coord);
- coord1 = lp_build_add(uint_coord_bld, coord0, uint_coord_bld->one);
- /* compute lerp weight */
- weight = lp_build_fract(coord_bld, coord);
+ /* convert to int, compute lerp weight */
+ lp_build_ifloor_fract(coord_bld, coord, &coord0, &weight);
/* repeat wrap */
if (is_pot) {
+ coord1 = lp_build_add(int_coord_bld, coord0, int_coord_bld->one);
coord0 = LLVMBuildAnd(bld->builder, coord0, length_minus_one, "");
coord1 = LLVMBuildAnd(bld->builder, coord1, length_minus_one, "");
}
else {
- /* Signed remainder won't give the right results for negative
- * dividends but unsigned remainder does.*/
+ /* Add a bias to the texcoord to handle negative coords */
+ LLVMValueRef bias = lp_build_mul_imm(int_coord_bld, length, 1024);
+ LLVMValueRef mask;
+ coord0 = LLVMBuildAdd(bld->builder, coord0, bias, "");
coord0 = LLVMBuildURem(bld->builder, coord0, length, "");
- coord1 = LLVMBuildURem(bld->builder, coord1, length, "");
+ mask = lp_build_compare(bld->builder, int_coord_bld->type,
+ PIPE_FUNC_NOTEQUAL, coord0, length_minus_one);
+ coord1 = LLVMBuildAnd(bld->builder,
+ lp_build_add(int_coord_bld, coord0, int_coord_bld->one),
+ mask, "");
}
break;
coord = lp_build_sub(coord_bld, coord, half);
- weight = lp_build_fract(coord_bld, coord);
- coord0 = lp_build_ifloor(coord_bld, coord);
+ /* convert to int, compute lerp weight */
+ lp_build_ifloor_fract(coord_bld, coord, &coord0, &weight);
coord1 = lp_build_add(int_coord_bld, coord0, int_coord_bld->one);
break;
case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
- if (bld->static_state->normalized_coords) {
- /* clamp to [0,1] */
- coord = lp_build_clamp(coord_bld, coord, coord_bld->zero, coord_bld->one);
- /* mul by tex size and subtract 0.5 */
- coord = lp_build_mul(coord_bld, coord, length_f);
+ {
+ struct lp_build_context abs_coord_bld = bld->coord_bld;
+ abs_coord_bld.type.sign = FALSE;
+
+ if (bld->static_state->normalized_coords) {
+ /* mul by tex size */
+ coord = lp_build_mul(coord_bld, coord, length_f);
+ }
+ /* clamp to length max */
+ coord = lp_build_min(coord_bld, coord, length_f);
+ /* subtract 0.5 */
coord = lp_build_sub(coord_bld, coord, half);
+ /* clamp to [0, length - 0.5] */
+ coord = lp_build_max(coord_bld, coord, coord_bld->zero);
+ /* convert to int, compute lerp weight */
+ lp_build_ifloor_fract(&abs_coord_bld, coord, &coord0, &weight);
+ coord1 = lp_build_add(int_coord_bld, coord0, int_coord_bld->one);
+ /* coord1 = min(coord1, length-1) */
+ coord1 = lp_build_min(int_coord_bld, coord1, length_minus_one);
+ break;
}
- else {
- LLVMValueRef min, max;
- /* clamp to [0.5, length - 0.5] */
- min = half;
- max = lp_build_sub(coord_bld, length_f, min);
- coord = lp_build_clamp(coord_bld, coord, min, max);
- }
- /* compute lerp weight */
- weight = lp_build_fract(coord_bld, coord);
- /* coord0 = floor(coord); */
- coord0 = lp_build_ifloor(coord_bld, coord);
- coord1 = lp_build_add(int_coord_bld, coord0, int_coord_bld->one);
- /* coord0 = max(coord0, 0) */
- coord0 = lp_build_max(int_coord_bld, coord0, int_coord_bld->zero);
- /* coord1 = min(coord1, length-1) */
- coord1 = lp_build_min(int_coord_bld, coord1, length_minus_one);
- break;
case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
{
- LLVMValueRef min, max;
+ LLVMValueRef min;
if (bld->static_state->normalized_coords) {
/* scale coord to length */
coord = lp_build_mul(coord_bld, coord, length_f);
}
- /* clamp to [-0.5, length + 0.5] */
- min = lp_build_const_vec(coord_bld->type, -0.5F);
- max = lp_build_sub(coord_bld, length_f, min);
- coord = lp_build_clamp(coord_bld, coord, min, max);
+ /* was: clamp to [-0.5, length + 0.5], then sub 0.5 */
coord = lp_build_sub(coord_bld, coord, half);
- /* compute lerp weight */
- weight = lp_build_fract(coord_bld, coord);
- /* convert to int */
- coord0 = lp_build_ifloor(coord_bld, coord);
+ min = lp_build_const_vec(coord_bld->type, -1.0F);
+ coord = lp_build_clamp(coord_bld, coord, min, length_f);
+ /* convert to int, compute lerp weight */
+ lp_build_ifloor_fract(coord_bld, coord, &coord0, &weight);
coord1 = lp_build_add(int_coord_bld, coord0, int_coord_bld->one);
}
break;
coord = lp_build_mul(coord_bld, coord, length_f);
coord = lp_build_sub(coord_bld, coord, half);
- /* compute lerp weight */
- weight = lp_build_fract(coord_bld, coord);
-
- /* convert to int coords */
- coord0 = lp_build_ifloor(coord_bld, coord);
+ /* convert to int, compute lerp weight */
+ lp_build_ifloor_fract(coord_bld, coord, &coord0, &weight);
coord1 = lp_build_add(int_coord_bld, coord0, int_coord_bld->one);
/* coord0 = max(coord0, 0) */
coord = lp_build_sub(coord_bld, coord, half);
- weight = lp_build_fract(coord_bld, coord);
- coord0 = lp_build_ifloor(coord_bld, coord);
+ /* convert to int, compute lerp weight */
+ lp_build_ifloor_fract(coord_bld, coord, &coord0, &weight);
coord1 = lp_build_add(int_coord_bld, coord0, int_coord_bld->one);
break;
case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
{
LLVMValueRef min, max;
-
+ struct lp_build_context abs_coord_bld = bld->coord_bld;
+ abs_coord_bld.type.sign = FALSE;
coord = lp_build_abs(coord_bld, coord);
if (bld->static_state->normalized_coords) {
coord = lp_build_sub(coord_bld, coord, half);
- weight = lp_build_fract(coord_bld, coord);
- coord0 = lp_build_ifloor(coord_bld, coord);
+ /* convert to int, compute lerp weight */
+ lp_build_ifloor_fract(&abs_coord_bld, coord, &coord0, &weight);
coord1 = lp_build_add(int_coord_bld, coord0, int_coord_bld->one);
}
break;
case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
{
- LLVMValueRef min, max;
-
coord = lp_build_abs(coord_bld, coord);
if (bld->static_state->normalized_coords) {
coord = lp_build_mul(coord_bld, coord, length_f);
}
- /* clamp to [-0.5, length + 0.5] */
- min = lp_build_negate(coord_bld, half);
- max = lp_build_sub(coord_bld, length_f, min);
- coord = lp_build_clamp(coord_bld, coord, min, max);
-
+ /* was: clamp to [-0.5, length + 0.5] then sub 0.5 */
+ /* skip -0.5 clamp (always positive), do sub first */
coord = lp_build_sub(coord_bld, coord, half);
+ coord = lp_build_min(coord_bld, coord, length_f);
- weight = lp_build_fract(coord_bld, coord);
- coord0 = lp_build_ifloor(coord_bld, coord);
+ /* convert to int, compute lerp weight */
+ lp_build_ifloor_fract(coord_bld, coord, &coord0, &weight);
coord1 = lp_build_add(int_coord_bld, coord0, int_coord_bld->one);
}
break;
lp_build_sample_wrap_nearest(struct lp_build_sample_context *bld,
LLVMValueRef coord,
LLVMValueRef length,
+ LLVMValueRef length_f,
boolean is_pot,
unsigned wrap_mode)
{
struct lp_build_context *coord_bld = &bld->coord_bld;
struct lp_build_context *int_coord_bld = &bld->int_coord_bld;
- struct lp_build_context *uint_coord_bld = &bld->uint_coord_bld;
- LLVMValueRef length_f = lp_build_int_to_float(coord_bld, length);
- LLVMValueRef length_minus_one = lp_build_sub(uint_coord_bld, length, uint_coord_bld->one);
+ LLVMValueRef length_minus_one = lp_build_sub(int_coord_bld, length, int_coord_bld->one);
LLVMValueRef icoord;
switch(wrap_mode) {
icoord = lp_build_ifloor(coord_bld, coord);
if (is_pot)
icoord = LLVMBuildAnd(bld->builder, icoord, length_minus_one, "");
- else
- /* Signed remainder won't give the right results for negative
- * dividends but unsigned remainder does.*/
+ else {
+ /* Add a bias to the texcoord to handle negative coords */
+ LLVMValueRef bias = lp_build_mul_imm(int_coord_bld, length, 1024);
+ icoord = LLVMBuildAdd(bld->builder, icoord, bias, "");
icoord = LLVMBuildURem(bld->builder, icoord, length, "");
+ }
break;
case PIPE_TEX_WRAP_CLAMP:
}
/* floor */
- icoord = lp_build_ifloor(coord_bld, coord);
+ /* use itrunc instead since we clamp to 0 anyway */
+ icoord = lp_build_itrunc(coord_bld, coord);
/* clamp to [0, length - 1]. */
icoord = lp_build_clamp(int_coord_bld, icoord, int_coord_bld->zero,
assert(bld->static_state->normalized_coords);
coord = lp_build_mul(coord_bld, coord, length_f);
- icoord = lp_build_ifloor(coord_bld, coord);
+ /* itrunc == ifloor here */
+ icoord = lp_build_itrunc(coord_bld, coord);
/* clamp to [0, length - 1] */
icoord = lp_build_min(int_coord_bld, icoord, length_minus_one);
coord = lp_build_mul(coord_bld, coord, length_f);
}
- icoord = lp_build_ifloor(coord_bld, coord);
+ /* itrunc == ifloor here */
+ icoord = lp_build_itrunc(coord_bld, coord);
/* clamp to [0, length - 1] */
icoord = lp_build_min(int_coord_bld, icoord, length_minus_one);
coord = lp_build_mul(coord_bld, coord, length_f);
}
- icoord = lp_build_ifloor(coord_bld, coord);
+ /* itrunc == ifloor here */
+ icoord = lp_build_itrunc(coord_bld, coord);
/* clamp to [0, length] */
icoord = lp_build_min(int_coord_bld, icoord, length);
*/
static void
lp_build_sample_image_nearest(struct lp_build_sample_context *bld,
- LLVMValueRef width_vec,
- LLVMValueRef height_vec,
- LLVMValueRef depth_vec,
+ unsigned unit,
+ LLVMValueRef size,
LLVMValueRef row_stride_vec,
LLVMValueRef img_stride_vec,
LLVMValueRef data_ptr,
LLVMValueRef r,
LLVMValueRef colors_out[4])
{
- const int dims = texture_dims(bld->static_state->target);
+ const unsigned dims = bld->dims;
+ LLVMValueRef width_vec;
+ LLVMValueRef height_vec;
+ LLVMValueRef depth_vec;
+ LLVMValueRef flt_size;
+ LLVMValueRef flt_width_vec;
+ LLVMValueRef flt_height_vec;
+ LLVMValueRef flt_depth_vec;
LLVMValueRef x, y, z;
+ lp_build_extract_image_sizes(bld,
+ bld->int_size_type,
+ bld->int_coord_type,
+ size,
+ &width_vec, &height_vec, &depth_vec);
+
+ flt_size = lp_build_int_to_float(&bld->float_size_bld, size);
+
+ lp_build_extract_image_sizes(bld,
+ bld->float_size_type,
+ bld->coord_type,
+ flt_size,
+ &flt_width_vec, &flt_height_vec, &flt_depth_vec);
+
/*
* Compute integer texcoords.
*/
- x = lp_build_sample_wrap_nearest(bld, s, width_vec,
+ x = lp_build_sample_wrap_nearest(bld, s, width_vec, flt_width_vec,
bld->static_state->pot_width,
bld->static_state->wrap_s);
lp_build_name(x, "tex.x.wrapped");
if (dims >= 2) {
- y = lp_build_sample_wrap_nearest(bld, t, height_vec,
+ y = lp_build_sample_wrap_nearest(bld, t, height_vec, flt_height_vec,
bld->static_state->pot_height,
bld->static_state->wrap_t);
lp_build_name(y, "tex.y.wrapped");
if (dims == 3) {
- z = lp_build_sample_wrap_nearest(bld, r, depth_vec,
- bld->static_state->pot_height,
+ z = lp_build_sample_wrap_nearest(bld, r, depth_vec, flt_depth_vec,
+ bld->static_state->pot_depth,
bld->static_state->wrap_r);
lp_build_name(z, "tex.z.wrapped");
}
/*
* Get texture colors.
*/
- lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec,
+ lp_build_sample_texel_soa(bld, unit,
+ width_vec, height_vec, depth_vec,
x, y, z,
row_stride_vec, img_stride_vec,
data_ptr, colors_out);
*/
static void
lp_build_sample_image_linear(struct lp_build_sample_context *bld,
- LLVMValueRef width_vec,
- LLVMValueRef height_vec,
- LLVMValueRef depth_vec,
+ unsigned unit,
+ LLVMValueRef size,
LLVMValueRef row_stride_vec,
LLVMValueRef img_stride_vec,
LLVMValueRef data_ptr,
LLVMValueRef r,
LLVMValueRef colors_out[4])
{
- const int dims = texture_dims(bld->static_state->target);
+ const unsigned dims = bld->dims;
+ LLVMValueRef width_vec;
+ LLVMValueRef height_vec;
+ LLVMValueRef depth_vec;
+ LLVMValueRef flt_size;
+ LLVMValueRef flt_width_vec;
+ LLVMValueRef flt_height_vec;
+ LLVMValueRef flt_depth_vec;
LLVMValueRef x0, y0, z0, x1, y1, z1;
LLVMValueRef s_fpart, t_fpart, r_fpart;
LLVMValueRef neighbors[2][2][4];
int chan;
+ lp_build_extract_image_sizes(bld,
+ bld->int_size_type,
+ bld->int_coord_type,
+ size,
+ &width_vec, &height_vec, &depth_vec);
+
+ flt_size = lp_build_int_to_float(&bld->float_size_bld, size);
+
+ lp_build_extract_image_sizes(bld,
+ bld->float_size_type,
+ bld->coord_type,
+ flt_size,
+ &flt_width_vec, &flt_height_vec, &flt_depth_vec);
+
/*
* Compute integer texcoords.
*/
- lp_build_sample_wrap_linear(bld, s, width_vec,
+ lp_build_sample_wrap_linear(bld, s, width_vec, flt_width_vec,
bld->static_state->pot_width,
bld->static_state->wrap_s,
&x0, &x1, &s_fpart);
lp_build_name(x1, "tex.x1.wrapped");
if (dims >= 2) {
- lp_build_sample_wrap_linear(bld, t, height_vec,
+ lp_build_sample_wrap_linear(bld, t, height_vec, flt_height_vec,
bld->static_state->pot_height,
bld->static_state->wrap_t,
&y0, &y1, &t_fpart);
lp_build_name(y1, "tex.y1.wrapped");
if (dims == 3) {
- lp_build_sample_wrap_linear(bld, r, depth_vec,
+ lp_build_sample_wrap_linear(bld, r, depth_vec, flt_depth_vec,
bld->static_state->pot_depth,
bld->static_state->wrap_r,
&z0, &z1, &r_fpart);
* Get texture colors.
*/
/* get x0/x1 texels */
- lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec,
+ lp_build_sample_texel_soa(bld, unit,
+ width_vec, height_vec, depth_vec,
x0, y0, z0,
row_stride_vec, img_stride_vec,
data_ptr, neighbors[0][0]);
- lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec,
+ lp_build_sample_texel_soa(bld, unit,
+ width_vec, height_vec, depth_vec,
x1, y0, z0,
row_stride_vec, img_stride_vec,
data_ptr, neighbors[0][1]);
LLVMValueRef colors0[4];
/* get x0/x1 texels at y1 */
- lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec,
+ lp_build_sample_texel_soa(bld, unit,
+ width_vec, height_vec, depth_vec,
x0, y1, z0,
row_stride_vec, img_stride_vec,
data_ptr, neighbors[1][0]);
- lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec,
+ lp_build_sample_texel_soa(bld, unit,
+ width_vec, height_vec, depth_vec,
x1, y1, z0,
row_stride_vec, img_stride_vec,
data_ptr, neighbors[1][1]);
LLVMValueRef colors1[4];
/* get x0/x1/y0/y1 texels at z1 */
- lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec,
+ lp_build_sample_texel_soa(bld, unit,
+ width_vec, height_vec, depth_vec,
x0, y0, z1,
row_stride_vec, img_stride_vec,
data_ptr, neighbors1[0][0]);
- lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec,
+ lp_build_sample_texel_soa(bld, unit,
+ width_vec, height_vec, depth_vec,
x1, y0, z1,
row_stride_vec, img_stride_vec,
data_ptr, neighbors1[0][1]);
- lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec,
+ lp_build_sample_texel_soa(bld, unit,
+ width_vec, height_vec, depth_vec,
x0, y1, z1,
row_stride_vec, img_stride_vec,
data_ptr, neighbors1[1][0]);
- lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec,
+ lp_build_sample_texel_soa(bld, unit,
+ width_vec, height_vec, depth_vec,
x1, y1, z1,
row_stride_vec, img_stride_vec,
data_ptr, neighbors1[1][1]);
*/
static void
lp_build_sample_mipmap(struct lp_build_sample_context *bld,
+ unsigned unit,
unsigned img_filter,
unsigned mip_filter,
LLVMValueRef s,
LLVMValueRef t,
LLVMValueRef r,
+ LLVMValueRef ilevel0,
+ LLVMValueRef ilevel1,
LLVMValueRef lod_fpart,
- LLVMValueRef width0_vec,
- LLVMValueRef width1_vec,
- LLVMValueRef height0_vec,
- LLVMValueRef height1_vec,
- LLVMValueRef depth0_vec,
- LLVMValueRef depth1_vec,
- LLVMValueRef row_stride0_vec,
- LLVMValueRef row_stride1_vec,
- LLVMValueRef img_stride0_vec,
- LLVMValueRef img_stride1_vec,
- LLVMValueRef data_ptr0,
- LLVMValueRef data_ptr1,
LLVMValueRef *colors_out)
{
+ LLVMBuilderRef builder = bld->builder;
+ LLVMValueRef size0;
+ LLVMValueRef size1;
+ LLVMValueRef row_stride0_vec;
+ LLVMValueRef row_stride1_vec;
+ LLVMValueRef img_stride0_vec;
+ LLVMValueRef img_stride1_vec;
+ LLVMValueRef data_ptr0;
+ LLVMValueRef data_ptr1;
LLVMValueRef colors0[4], colors1[4];
- int chan;
+ unsigned chan;
+ /* sample the first mipmap level */
+ lp_build_mipmap_level_sizes(bld, ilevel0,
+ &size0,
+ &row_stride0_vec, &img_stride0_vec);
+ data_ptr0 = lp_build_get_mipmap_level(bld, ilevel0);
if (img_filter == PIPE_TEX_FILTER_NEAREST) {
- /* sample the first mipmap level */
- lp_build_sample_image_nearest(bld,
- width0_vec, height0_vec, depth0_vec,
+ lp_build_sample_image_nearest(bld, unit,
+ size0,
row_stride0_vec, img_stride0_vec,
- data_ptr0, s, t, r, colors0);
-
- if (mip_filter == PIPE_TEX_MIPFILTER_LINEAR) {
- /* sample the second mipmap level */
- lp_build_sample_image_nearest(bld,
- width1_vec, height1_vec, depth1_vec,
- row_stride1_vec, img_stride1_vec,
- data_ptr1, s, t, r, colors1);
- }
+ data_ptr0, s, t, r,
+ colors0);
}
else {
assert(img_filter == PIPE_TEX_FILTER_LINEAR);
-
- /* sample the first mipmap level */
- lp_build_sample_image_linear(bld,
- width0_vec, height0_vec, depth0_vec,
+ lp_build_sample_image_linear(bld, unit,
+ size0,
row_stride0_vec, img_stride0_vec,
- data_ptr0, s, t, r, colors0);
+ data_ptr0, s, t, r,
+ colors0);
+ }
- if (mip_filter == PIPE_TEX_MIPFILTER_LINEAR) {
- /* sample the second mipmap level */
- lp_build_sample_image_linear(bld,
- width1_vec, height1_vec, depth1_vec,
- row_stride1_vec, img_stride1_vec,
- data_ptr1, s, t, r, colors1);
- }
+ /* Store the first level's colors in the output variables */
+ for (chan = 0; chan < 4; chan++) {
+ LLVMBuildStore(builder, colors0[chan], colors_out[chan]);
}
if (mip_filter == PIPE_TEX_MIPFILTER_LINEAR) {
- /* interpolate samples from the two mipmap levels */
- for (chan = 0; chan < 4; chan++) {
- colors_out[chan] = lp_build_lerp(&bld->texel_bld, lod_fpart,
+ struct lp_build_if_state if_ctx;
+ LLVMValueRef need_lerp;
+
+ /* need_lerp = lod_fpart > 0 */
+ need_lerp = LLVMBuildFCmp(builder, LLVMRealUGT,
+ lod_fpart,
+ bld->float_bld.zero,
+ "need_lerp");
+
+ lp_build_if(&if_ctx, builder, need_lerp);
+ {
+ /* sample the second mipmap level */
+ lp_build_mipmap_level_sizes(bld, ilevel1,
+ &size1,
+ &row_stride1_vec, &img_stride1_vec);
+ data_ptr1 = lp_build_get_mipmap_level(bld, ilevel1);
+ if (img_filter == PIPE_TEX_FILTER_NEAREST) {
+ lp_build_sample_image_nearest(bld, unit,
+ size1,
+ row_stride1_vec, img_stride1_vec,
+ data_ptr1, s, t, r,
+ colors1);
+ }
+ else {
+ lp_build_sample_image_linear(bld, unit,
+ size1,
+ row_stride1_vec, img_stride1_vec,
+ data_ptr1, s, t, r,
+ colors1);
+ }
+
+ /* interpolate samples from the two mipmap levels */
+
+ lod_fpart = lp_build_broadcast_scalar(&bld->texel_bld, lod_fpart);
+
+ for (chan = 0; chan < 4; chan++) {
+ colors0[chan] = lp_build_lerp(&bld->texel_bld, lod_fpart,
colors0[chan], colors1[chan]);
+ LLVMBuildStore(builder, colors0[chan], colors_out[chan]);
+ }
}
- }
- else {
- /* use first/only level's colors */
- for (chan = 0; chan < 4; chan++) {
- colors_out[chan] = colors0[chan];
- }
+ lp_build_endif(&if_ctx);
}
}
const LLVMValueRef *ddy,
LLVMValueRef lod_bias, /* optional */
LLVMValueRef explicit_lod, /* optional */
- LLVMValueRef width,
- LLVMValueRef height,
- LLVMValueRef depth,
- LLVMValueRef width_vec,
- LLVMValueRef height_vec,
- LLVMValueRef depth_vec,
- LLVMValueRef row_stride_array,
- LLVMValueRef img_stride_array,
- LLVMValueRef data_array,
LLVMValueRef *colors_out)
{
- struct lp_build_context *float_bld = &bld->float_bld;
+ struct lp_build_context *int_bld = &bld->int_bld;
+ LLVMBuilderRef builder = bld->builder;
const unsigned mip_filter = bld->static_state->min_mip_filter;
const unsigned min_filter = bld->static_state->min_img_filter;
const unsigned mag_filter = bld->static_state->mag_img_filter;
- const int dims = texture_dims(bld->static_state->target);
- LLVMValueRef lod = NULL, lod_fpart = NULL;
+ LLVMValueRef lod_ipart = NULL, lod_fpart = NULL;
LLVMValueRef ilevel0, ilevel1 = NULL;
- LLVMValueRef width0_vec = NULL, height0_vec = NULL, depth0_vec = NULL;
- LLVMValueRef width1_vec = NULL, height1_vec = NULL, depth1_vec = NULL;
- LLVMValueRef row_stride0_vec = NULL, row_stride1_vec = NULL;
- LLVMValueRef img_stride0_vec = NULL, img_stride1_vec = NULL;
- LLVMValueRef data_ptr0, data_ptr1 = NULL;
LLVMValueRef face_ddx[4], face_ddy[4];
+ LLVMValueRef texels[4];
+ LLVMTypeRef i32t = LLVMInt32Type();
+ LLVMValueRef i32t_zero = LLVMConstInt(i32t, 0, 0);
+ unsigned chan;
/*
printf("%s mip %d min %d mag %d\n", __FUNCTION__,
r = lp_build_broadcast_scalar(&bld->int_coord_bld, face); /* vec */
/* recompute ddx, ddy using the new (s,t) face texcoords */
- face_ddx[0] = lp_build_ddx(&bld->coord_bld, s);
- face_ddx[1] = lp_build_ddx(&bld->coord_bld, t);
+ face_ddx[0] = lp_build_scalar_ddx(&bld->coord_bld, s);
+ face_ddx[1] = lp_build_scalar_ddx(&bld->coord_bld, t);
face_ddx[2] = NULL;
face_ddx[3] = NULL;
- face_ddy[0] = lp_build_ddy(&bld->coord_bld, s);
- face_ddy[1] = lp_build_ddy(&bld->coord_bld, t);
+ face_ddy[0] = lp_build_scalar_ddy(&bld->coord_bld, s);
+ face_ddy[1] = lp_build_scalar_ddy(&bld->coord_bld, t);
face_ddy[2] = NULL;
face_ddy[3] = NULL;
ddx = face_ddx;
/* Need to compute lod either to choose mipmap levels or to
* distinguish between minification/magnification with one mipmap level.
*/
- lod = lp_build_lod_selector(bld, ddx, ddy,
- lod_bias, explicit_lod,
- width, height, depth);
+ lp_build_lod_selector(bld, unit, ddx, ddy,
+ lod_bias, explicit_lod,
+ mip_filter,
+ &lod_ipart, &lod_fpart);
+ } else {
+ lod_ipart = i32t_zero;
}
/*
- * Compute integer mipmap level(s) to fetch texels from.
+ * Compute integer mipmap level(s) to fetch texels from: ilevel0, ilevel1
*/
- if (mip_filter == PIPE_TEX_MIPFILTER_NONE) {
+ switch (mip_filter) {
+ default:
+ assert(0 && "bad mip_filter value in lp_build_sample_soa()");
+ /* fall-through */
+ case PIPE_TEX_MIPFILTER_NONE:
/* always use mip level 0 */
if (bld->static_state->target == PIPE_TEXTURE_CUBE) {
/* XXX this is a work-around for an apparent bug in LLVM 2.7.
* We should be able to set ilevel0 = const(0) but that causes
* bad x86 code to be emitted.
*/
- lod = lp_build_const_elem(bld->coord_bld.type, 0.0);
- lp_build_nearest_mip_level(bld, unit, lod, &ilevel0);
- }
- else {
- ilevel0 = LLVMConstInt(LLVMInt32Type(), 0, 0);
- }
- }
- else {
- assert(lod);
- if (mip_filter == PIPE_TEX_MIPFILTER_NEAREST) {
- lp_build_nearest_mip_level(bld, unit, lod, &ilevel0);
+ assert(lod_ipart);
+ lp_build_nearest_mip_level(bld, unit, lod_ipart, &ilevel0);
}
else {
- assert(mip_filter == PIPE_TEX_MIPFILTER_LINEAR);
- lp_build_linear_mip_levels(bld, unit, lod, &ilevel0, &ilevel1,
- &lod_fpart);
- lod_fpart = lp_build_broadcast_scalar(&bld->coord_bld, lod_fpart);
+ ilevel0 = i32t_zero;
}
+ break;
+ case PIPE_TEX_MIPFILTER_NEAREST:
+ assert(lod_ipart);
+ lp_build_nearest_mip_level(bld, unit, lod_ipart, &ilevel0);
+ break;
+ case PIPE_TEX_MIPFILTER_LINEAR:
+ assert(lod_ipart);
+ assert(lod_fpart);
+ lp_build_linear_mip_levels(bld, unit,
+ lod_ipart, &lod_fpart,
+ &ilevel0, &ilevel1);
+ break;
}
- /* compute image size(s) of source mipmap level(s) */
- lp_build_mipmap_level_sizes(bld, dims, width_vec, height_vec, depth_vec,
- ilevel0, ilevel1,
- row_stride_array, img_stride_array,
- &width0_vec, &width1_vec,
- &height0_vec, &height1_vec,
- &depth0_vec, &depth1_vec,
- &row_stride0_vec, &row_stride1_vec,
- &img_stride0_vec, &img_stride1_vec);
-
/*
- * Get pointer(s) to image data for mipmap level(s).
+ * Get/interpolate texture colors.
*/
- data_ptr0 = lp_build_get_mipmap_level(bld, data_array, ilevel0);
- if (mip_filter == PIPE_TEX_MIPFILTER_LINEAR) {
- data_ptr1 = lp_build_get_mipmap_level(bld, data_array, ilevel1);
+
+ for (chan = 0; chan < 4; ++chan) {
+ texels[chan] = lp_build_alloca(builder, bld->texel_bld.vec_type, "");
+ lp_build_name(texels[chan], "sampler%u_texel_%c_var", unit, "xyzw"[chan]);
}
- /*
- * Get/interpolate texture colors.
- */
if (min_filter == mag_filter) {
/* no need to distinquish between minification and magnification */
- lp_build_sample_mipmap(bld, min_filter, mip_filter, s, t, r, lod_fpart,
- width0_vec, width1_vec,
- height0_vec, height1_vec,
- depth0_vec, depth1_vec,
- row_stride0_vec, row_stride1_vec,
- img_stride0_vec, img_stride1_vec,
- data_ptr0, data_ptr1,
- colors_out);
+ lp_build_sample_mipmap(bld, unit,
+ min_filter, mip_filter,
+ s, t, r,
+ ilevel0, ilevel1, lod_fpart,
+ texels);
}
else {
/* Emit conditional to choose min image filter or mag image filter
- * depending on the lod being >0 or <= 0, respectively.
+ * depending on the lod being > 0 or <= 0, respectively.
*/
- struct lp_build_flow_context *flow_ctx;
struct lp_build_if_state if_ctx;
LLVMValueRef minify;
- flow_ctx = lp_build_flow_create(bld->builder);
- lp_build_flow_scope_begin(flow_ctx);
-
- lp_build_flow_scope_declare(flow_ctx, &colors_out[0]);
- lp_build_flow_scope_declare(flow_ctx, &colors_out[1]);
- lp_build_flow_scope_declare(flow_ctx, &colors_out[2]);
- lp_build_flow_scope_declare(flow_ctx, &colors_out[3]);
+ /* minify = lod >= 0.0 */
+ minify = LLVMBuildICmp(builder, LLVMIntSGE,
+ lod_ipart, int_bld->zero, "");
- /* minify = lod > 0.0 */
- minify = LLVMBuildFCmp(bld->builder, LLVMRealUGE,
- lod, float_bld->zero, "");
-
- lp_build_if(&if_ctx, flow_ctx, bld->builder, minify);
+ lp_build_if(&if_ctx, builder, minify);
{
/* Use the minification filter */
- lp_build_sample_mipmap(bld, min_filter, mip_filter,
- s, t, r, lod_fpart,
- width0_vec, width1_vec,
- height0_vec, height1_vec,
- depth0_vec, depth1_vec,
- row_stride0_vec, row_stride1_vec,
- img_stride0_vec, img_stride1_vec,
- data_ptr0, data_ptr1,
- colors_out);
+ lp_build_sample_mipmap(bld, unit,
+ min_filter, mip_filter,
+ s, t, r,
+ ilevel0, ilevel1, lod_fpart,
+ texels);
}
lp_build_else(&if_ctx);
{
/* Use the magnification filter */
- lp_build_sample_mipmap(bld, mag_filter, mip_filter,
- s, t, r, lod_fpart,
- width0_vec, width1_vec,
- height0_vec, height1_vec,
- depth0_vec, depth1_vec,
- row_stride0_vec, row_stride1_vec,
- img_stride0_vec, img_stride1_vec,
- data_ptr0, data_ptr1,
- colors_out);
+ lp_build_sample_mipmap(bld, unit,
+ mag_filter, PIPE_TEX_MIPFILTER_NONE,
+ s, t, r,
+ i32t_zero, NULL, NULL,
+ texels);
}
lp_build_endif(&if_ctx);
+ }
- lp_build_flow_scope_end(flow_ctx);
- lp_build_flow_destroy(flow_ctx);
+ for (chan = 0; chan < 4; ++chan) {
+ colors_out[chan] = LLVMBuildLoad(builder, texels[chan], "");
+ lp_build_name(colors_out[chan], "sampler%u_texel_%c", unit, "xyzw"[chan]);
}
}
+/**
+ * Do shadow test/comparison.
+ * \param p the texcoord Z (aka R, aka P) component
+ * \param texel the texel to compare against (use the X channel)
+ */
static void
lp_build_sample_compare(struct lp_build_sample_context *bld,
LLVMValueRef p,
{
struct lp_build_context *texel_bld = &bld->texel_bld;
LLVMValueRef res;
- unsigned chan;
+ const unsigned chan = 0;
- if(bld->static_state->compare_mode == PIPE_TEX_COMPARE_NONE)
+ if (bld->static_state->compare_mode == PIPE_TEX_COMPARE_NONE)
return;
- /* TODO: Compare before swizzling, to avoid redundant computations */
- res = NULL;
- for(chan = 0; chan < 4; ++chan) {
- LLVMValueRef cmp;
- cmp = lp_build_cmp(texel_bld, bld->static_state->compare_func, p, texel[chan]);
- cmp = lp_build_select(texel_bld, cmp, texel_bld->one, texel_bld->zero);
-
- if(res)
- res = lp_build_add(texel_bld, res, cmp);
- else
- res = cmp;
+ /* debug code */
+ if (0) {
+ LLVMValueRef indx = lp_build_const_int32(0);
+ LLVMValueRef coord = LLVMBuildExtractElement(bld->builder, p, indx, "");
+ LLVMValueRef tex = LLVMBuildExtractElement(bld->builder,
+ texel[chan], indx, "");
+ lp_build_printf(bld->builder, "shadow compare coord %f to texture %f\n",
+ coord, tex);
}
- assert(res);
- res = lp_build_mul(texel_bld, res, lp_build_const_vec(texel_bld->type, 0.25));
+ /* result = (p FUNC texel) ? 1 : 0 */
+ res = lp_build_cmp(texel_bld, bld->static_state->compare_func,
+ p, texel[chan]);
+ res = lp_build_select(texel_bld, res, texel_bld->one, texel_bld->zero);
/* XXX returning result for default GL_DEPTH_TEXTURE_MODE = GL_LUMINANCE */
- for(chan = 0; chan < 3; ++chan)
- texel[chan] = res;
+ texel[0] =
+ texel[1] =
+ texel[2] = res;
texel[3] = texel_bld->one;
}
LLVMValueRef explicit_lod, /* optional */
LLVMValueRef texel_out[4])
{
+ unsigned dims = texture_dims(static_state->target);
struct lp_build_sample_context bld;
- LLVMValueRef width, width_vec;
- LLVMValueRef height, height_vec;
- LLVMValueRef depth, depth_vec;
- LLVMValueRef row_stride_array, img_stride_array;
- LLVMValueRef data_array;
+ LLVMTypeRef i32t = LLVMInt32Type();
+
LLVMValueRef s;
LLVMValueRef t;
LLVMValueRef r;
+ struct lp_type float_vec_type;
if (0) {
enum pipe_format fmt = static_state->format;
bld.static_state = static_state;
bld.dynamic_state = dynamic_state;
bld.format_desc = util_format_description(static_state->format);
+ bld.dims = dims;
bld.float_type = lp_type_float(32);
bld.int_type = lp_type_int(32);
bld.coord_type = type;
- bld.uint_coord_type = lp_uint_type(type);
bld.int_coord_type = lp_int_type(type);
+ bld.float_size_type = lp_type_float(32);
+ bld.float_size_type.length = dims > 1 ? 4 : 1;
+ bld.int_size_type = lp_int_type(bld.float_size_type);
bld.texel_type = type;
+ float_vec_type = lp_type_float_vec(32);
+
lp_build_context_init(&bld.float_bld, builder, bld.float_type);
+ lp_build_context_init(&bld.float_vec_bld, builder, float_vec_type);
lp_build_context_init(&bld.int_bld, builder, bld.int_type);
lp_build_context_init(&bld.coord_bld, builder, bld.coord_type);
- lp_build_context_init(&bld.uint_coord_bld, builder, bld.uint_coord_type);
lp_build_context_init(&bld.int_coord_bld, builder, bld.int_coord_type);
+ lp_build_context_init(&bld.int_size_bld, builder, bld.int_size_type);
+ lp_build_context_init(&bld.float_size_bld, builder, bld.float_size_type);
lp_build_context_init(&bld.texel_bld, builder, bld.texel_type);
/* Get the dynamic state */
- width = dynamic_state->width(dynamic_state, builder, unit);
- height = dynamic_state->height(dynamic_state, builder, unit);
- depth = dynamic_state->depth(dynamic_state, builder, unit);
- row_stride_array = dynamic_state->row_stride(dynamic_state, builder, unit);
- img_stride_array = dynamic_state->img_stride(dynamic_state, builder, unit);
- data_array = dynamic_state->data_ptr(dynamic_state, builder, unit);
+ bld.width = dynamic_state->width(dynamic_state, builder, unit);
+ bld.height = dynamic_state->height(dynamic_state, builder, unit);
+ bld.depth = dynamic_state->depth(dynamic_state, builder, unit);
+ bld.row_stride_array = dynamic_state->row_stride(dynamic_state, builder, unit);
+ bld.img_stride_array = dynamic_state->img_stride(dynamic_state, builder, unit);
+ bld.data_array = dynamic_state->data_ptr(dynamic_state, builder, unit);
/* Note that data_array is an array[level] of pointers to texture images */
s = coords[0];
t = coords[1];
r = coords[2];
- /* width, height, depth as uint vectors */
- width_vec = lp_build_broadcast_scalar(&bld.uint_coord_bld, width);
- height_vec = lp_build_broadcast_scalar(&bld.uint_coord_bld, height);
- depth_vec = lp_build_broadcast_scalar(&bld.uint_coord_bld, depth);
+ /* width, height, depth as single int vector */
+ if (dims <= 1) {
+ bld.int_size = bld.width;
+ }
+ else {
+ bld.int_size = LLVMBuildInsertElement(builder, bld.int_size_bld.undef,
+ bld.width, LLVMConstInt(i32t, 0, 0), "");
+ if (dims >= 2) {
+ bld.int_size = LLVMBuildInsertElement(builder, bld.int_size,
+ bld.height, LLVMConstInt(i32t, 1, 0), "");
+ if (dims >= 3) {
+ bld.int_size = LLVMBuildInsertElement(builder, bld.int_size,
+ bld.depth, LLVMConstInt(i32t, 2, 0), "");
+ }
+ }
+ }
if (0) {
/* For debug: no-op texture sampling */
/* do sampling/filtering with fixed pt arithmetic */
lp_build_sample_aos(&bld, unit, s, t, r, ddx, ddy,
lod_bias, explicit_lod,
- width, height, depth,
- width_vec, height_vec, depth_vec,
- row_stride_array, img_stride_array,
- data_array, texel_out);
+ texel_out);
}
else {
lp_build_sample_general(&bld, unit, s, t, r, ddx, ddy,
lod_bias, explicit_lod,
- width, height, depth,
- width_vec, height_vec, depth_vec,
- row_stride_array, img_stride_array,
- data_array,
texel_out);
}
projects / mesa.git / blobdiff