const int dims = texture_dims(bld->static_state->target);
struct lp_build_context *int_coord_bld = &bld->int_coord_bld;
LLVMValueRef offset;
- LLVMValueRef packed;
+ LLVMValueRef i, j;
LLVMValueRef use_border = NULL;
/* use_border = x < 0 || x >= width || y < 0 || y >= height */
}
}
+ /*
+ * Describe the coordinates in terms of pixel blocks.
+ *
+ * TODO: pixel blocks are power of two. LLVM should convert rem/div to
+ * bit arithmetic. Verify this.
+ */
+
+ if (bld->format_desc->block.width == 1) {
+ i = bld->uint_coord_bld.zero;
+ }
+ else {
+ LLVMValueRef block_width = lp_build_const_int_vec(bld->uint_coord_bld.type, bld->format_desc->block.width);
+ i = LLVMBuildURem(bld->builder, x, block_width, "");
+ x = LLVMBuildUDiv(bld->builder, x, block_width, "");
+ }
+
+ if (bld->format_desc->block.height == 1) {
+ j = bld->uint_coord_bld.zero;
+ }
+ else {
+ LLVMValueRef block_height = lp_build_const_int_vec(bld->uint_coord_bld.type, bld->format_desc->block.height);
+ j = LLVMBuildURem(bld->builder, y, block_height, "");
+ y = LLVMBuildUDiv(bld->builder, y, block_height, "");
+ }
+
+ /* convert x,y,z coords to linear offset from start of texture, in bytes */
+ offset = lp_build_sample_offset(&bld->uint_coord_bld,
+ bld->format_desc,
+ x, y, z, y_stride, z_stride);
+
+ lp_build_fetch_rgba_soa(bld->builder,
+ bld->format_desc,
+ bld->texel_type,
+ data_ptr, offset,
+ i, j,
+ texel);
+
/*
* Note: if we find an app which frequently samples the texture border
* we might want to implement a true conditional here to avoid sampling
* the texel color results with the border color.
*/
- /* convert x,y,z coords to linear offset from start of texture, in bytes */
- offset = lp_build_sample_offset(&bld->uint_coord_bld,
- bld->format_desc,
- x, y, z, y_stride, z_stride);
-
- assert(bld->format_desc->block.width == 1);
- assert(bld->format_desc->block.height == 1);
- assert(bld->format_desc->block.bits <= bld->texel_type.width);
-
- /* gather the texels from the texture */
- packed = lp_build_gather(bld->builder,
- bld->texel_type.length,
- bld->format_desc->block.bits,
- bld->texel_type.width,
- data_ptr, offset);
-
- texel[0] = texel[1] = texel[2] = texel[3] = NULL;
-
- /* convert texels to float rgba */
- lp_build_unpack_rgba_soa(bld->builder,
- bld->format_desc,
- bld->texel_type,
- packed, texel);
-
if (use_border) {
/* select texel color or border color depending on use_border */
int chan;
for (chan = 0; chan < 4; chan++) {
LLVMValueRef border_chan =
- lp_build_const_scalar(bld->texel_type,
+ lp_build_const_vec(bld->texel_type,
bld->static_state->border_color[chan]);
texel[chan] = lp_build_select(&bld->texel_bld, use_border,
border_chan, texel[chan]);
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 two = lp_build_const_scalar(coord_bld->type, 2.0);
- LLVMValueRef half = lp_build_const_scalar(coord_bld->type, 0.5);
+ LLVMValueRef two = lp_build_const_vec(coord_bld->type, 2.0);
+ 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_f_minus_one = lp_build_sub(coord_bld, length_f, coord_bld->one);
else {
LLVMValueRef min, max;
/* clamp to [0.5, length - 0.5] */
- min = lp_build_const_scalar(coord_bld->type, 0.5F);
+ 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);
}
if (bld->static_state->normalized_coords) {
/* min = -1.0 / (2 * length) = -0.5 / length */
min = lp_build_mul(coord_bld,
- lp_build_const_scalar(coord_bld->type, -0.5F),
+ lp_build_const_vec(coord_bld->type, -0.5F),
lp_build_rcp(coord_bld, length_f));
/* max = 1.0 - min */
max = lp_build_sub(coord_bld, coord_bld->one, min);
}
else {
/* clamp to [-0.5, length + 0.5] */
- min = lp_build_const_scalar(coord_bld->type, -0.5F);
+ 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);
coord = lp_build_sub(coord_bld, coord, half);
LLVMValueRef min, max;
/* min = -1.0 / (2 * length) = -0.5 / length */
min = lp_build_mul(coord_bld,
- lp_build_const_scalar(coord_bld->type, -0.5F),
+ lp_build_const_vec(coord_bld->type, -0.5F),
lp_build_rcp(coord_bld, length_f));
/* max = 1.0 - min */
max = lp_build_sub(coord_bld, coord_bld->one, min);
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 two = lp_build_const_scalar(coord_bld->type, 2.0);
+ LLVMValueRef two = lp_build_const_vec(coord_bld->type, 2.0);
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_f_minus_one = lp_build_sub(coord_bld, length_f, coord_bld->one);
}
else {
/* clamp to [0.5, length - 0.5] */
- min = lp_build_const_scalar(coord_bld->type, 0.5F);
+ min = lp_build_const_vec(coord_bld->type, 0.5F);
max = lp_build_sub(coord_bld, length_f, min);
}
/* coord = clamp(coord, min, max) */
if (bld->static_state->normalized_coords) {
/* min = -1.0 / (2 * length) = -0.5 / length */
min = lp_build_mul(coord_bld,
- lp_build_const_scalar(coord_bld->type, -0.5F),
+ lp_build_const_vec(coord_bld->type, -0.5F),
lp_build_rcp(coord_bld, length_f));
/* max = length - min */
max = lp_build_sub(coord_bld, length_f, min);
}
else {
/* clamp to [-0.5, length + 0.5] */
- min = lp_build_const_scalar(coord_bld->type, -0.5F);
+ min = lp_build_const_vec(coord_bld->type, -0.5F);
max = lp_build_sub(coord_bld, length_f, min);
}
/* coord = clamp(coord, min, max) */
LLVMValueRef depth)
{
- const int dims = texture_dims(bld->static_state->target);
- struct lp_build_context *float_bld = &bld->float_bld;
- LLVMValueRef lod_bias = LLVMConstReal(LLVMFloatType(), bld->static_state->lod_bias);
- LLVMValueRef min_lod = LLVMConstReal(LLVMFloatType(), bld->static_state->min_lod);
- LLVMValueRef max_lod = LLVMConstReal(LLVMFloatType(), bld->static_state->max_lod);
-
- LLVMValueRef index0 = LLVMConstInt(LLVMInt32Type(), 0, 0);
- LLVMValueRef index1 = LLVMConstInt(LLVMInt32Type(), 1, 0);
- LLVMValueRef index2 = LLVMConstInt(LLVMInt32Type(), 2, 0);
-
- LLVMValueRef s0, s1, s2;
- LLVMValueRef t0, t1, t2;
- LLVMValueRef r0, r1, r2;
- LLVMValueRef dsdx, dsdy, dtdx, dtdy, drdx, drdy;
- LLVMValueRef rho, lod;
-
- /*
- * dsdx = abs(s[1] - s[0]);
- * dsdy = abs(s[2] - s[0]);
- * dtdx = abs(t[1] - t[0]);
- * dtdy = abs(t[2] - t[0]);
- * drdx = abs(r[1] - r[0]);
- * drdy = abs(r[2] - r[0]);
- * XXX we're assuming a four-element quad in 2x2 layout here.
- */
- s0 = LLVMBuildExtractElement(bld->builder, s, index0, "s0");
- s1 = LLVMBuildExtractElement(bld->builder, s, index1, "s1");
- s2 = LLVMBuildExtractElement(bld->builder, s, index2, "s2");
- dsdx = LLVMBuildSub(bld->builder, s1, s0, "");
- dsdx = lp_build_abs(float_bld, dsdx);
- dsdy = LLVMBuildSub(bld->builder, s2, s0, "");
- dsdy = lp_build_abs(float_bld, dsdy);
- if (dims > 1) {
- t0 = LLVMBuildExtractElement(bld->builder, t, index0, "t0");
- t1 = LLVMBuildExtractElement(bld->builder, t, index1, "t1");
- t2 = LLVMBuildExtractElement(bld->builder, t, index2, "t2");
- dtdx = LLVMBuildSub(bld->builder, t1, t0, "");
- dtdx = lp_build_abs(float_bld, dtdx);
- dtdy = LLVMBuildSub(bld->builder, t2, t0, "");
- dtdy = lp_build_abs(float_bld, dtdy);
- if (dims > 2) {
- r0 = LLVMBuildExtractElement(bld->builder, r, index0, "r0");
- r1 = LLVMBuildExtractElement(bld->builder, r, index1, "r1");
- r2 = LLVMBuildExtractElement(bld->builder, r, index2, "r2");
- drdx = LLVMBuildSub(bld->builder, r1, r0, "");
- drdx = lp_build_abs(float_bld, drdx);
- drdy = LLVMBuildSub(bld->builder, r2, r0, "");
- drdy = lp_build_abs(float_bld, drdy);
- }
+ if (bld->static_state->min_lod == bld->static_state->max_lod) {
+ /* User is forcing sampling from a particular mipmap level.
+ * This is hit during mipmap generation.
+ */
+ return LLVMConstReal(LLVMFloatType(), bld->static_state->min_lod);
}
+ else {
+ const int dims = texture_dims(bld->static_state->target);
+ struct lp_build_context *float_bld = &bld->float_bld;
+ LLVMValueRef lod_bias = LLVMConstReal(LLVMFloatType(),
+ bld->static_state->lod_bias);
+ LLVMValueRef min_lod = LLVMConstReal(LLVMFloatType(),
+ bld->static_state->min_lod);
+ LLVMValueRef max_lod = LLVMConstReal(LLVMFloatType(),
+ bld->static_state->max_lod);
+
+ LLVMValueRef index0 = LLVMConstInt(LLVMInt32Type(), 0, 0);
+ LLVMValueRef index1 = LLVMConstInt(LLVMInt32Type(), 1, 0);
+ LLVMValueRef index2 = LLVMConstInt(LLVMInt32Type(), 2, 0);
+
+ LLVMValueRef s0, s1, s2;
+ LLVMValueRef t0, t1, t2;
+ LLVMValueRef r0, r1, r2;
+ LLVMValueRef dsdx, dsdy, dtdx, dtdy, drdx, drdy;
+ LLVMValueRef rho, lod;
+
+ /*
+ * dsdx = abs(s[1] - s[0]);
+ * dsdy = abs(s[2] - s[0]);
+ * dtdx = abs(t[1] - t[0]);
+ * dtdy = abs(t[2] - t[0]);
+ * drdx = abs(r[1] - r[0]);
+ * drdy = abs(r[2] - r[0]);
+ * XXX we're assuming a four-element quad in 2x2 layout here.
+ */
+ s0 = LLVMBuildExtractElement(bld->builder, s, index0, "s0");
+ s1 = LLVMBuildExtractElement(bld->builder, s, index1, "s1");
+ s2 = LLVMBuildExtractElement(bld->builder, s, index2, "s2");
+ dsdx = LLVMBuildSub(bld->builder, s1, s0, "");
+ dsdx = lp_build_abs(float_bld, dsdx);
+ dsdy = LLVMBuildSub(bld->builder, s2, s0, "");
+ dsdy = lp_build_abs(float_bld, dsdy);
+ if (dims > 1) {
+ t0 = LLVMBuildExtractElement(bld->builder, t, index0, "t0");
+ t1 = LLVMBuildExtractElement(bld->builder, t, index1, "t1");
+ t2 = LLVMBuildExtractElement(bld->builder, t, index2, "t2");
+ dtdx = LLVMBuildSub(bld->builder, t1, t0, "");
+ dtdx = lp_build_abs(float_bld, dtdx);
+ dtdy = LLVMBuildSub(bld->builder, t2, t0, "");
+ dtdy = lp_build_abs(float_bld, dtdy);
+ if (dims > 2) {
+ r0 = LLVMBuildExtractElement(bld->builder, r, index0, "r0");
+ r1 = LLVMBuildExtractElement(bld->builder, r, index1, "r1");
+ r2 = LLVMBuildExtractElement(bld->builder, r, index2, "r2");
+ drdx = LLVMBuildSub(bld->builder, r1, r0, "");
+ drdx = lp_build_abs(float_bld, drdx);
+ drdy = LLVMBuildSub(bld->builder, r2, r0, "");
+ drdy = lp_build_abs(float_bld, drdy);
+ }
+ }
- /* Compute rho = max of all partial derivatives scaled by texture size.
- * XXX this could be vectorized somewhat
- */
- rho = LLVMBuildMul(bld->builder,
- lp_build_max(float_bld, dsdx, dsdy),
- lp_build_int_to_float(float_bld, width), "");
- if (dims > 1) {
- LLVMValueRef max;
- max = LLVMBuildMul(bld->builder,
- lp_build_max(float_bld, dtdx, dtdy),
- lp_build_int_to_float(float_bld, height), "");
- rho = lp_build_max(float_bld, rho, max);
- if (dims > 2) {
+ /* Compute rho = max of all partial derivatives scaled by texture size.
+ * XXX this could be vectorized somewhat
+ */
+ rho = LLVMBuildMul(bld->builder,
+ lp_build_max(float_bld, dsdx, dsdy),
+ lp_build_int_to_float(float_bld, width), "");
+ if (dims > 1) {
+ LLVMValueRef max;
max = LLVMBuildMul(bld->builder,
- lp_build_max(float_bld, drdx, drdy),
- lp_build_int_to_float(float_bld, depth), "");
+ lp_build_max(float_bld, dtdx, dtdy),
+ lp_build_int_to_float(float_bld, height), "");
rho = lp_build_max(float_bld, rho, max);
+ if (dims > 2) {
+ max = LLVMBuildMul(bld->builder,
+ lp_build_max(float_bld, drdx, drdy),
+ lp_build_int_to_float(float_bld, depth), "");
+ rho = lp_build_max(float_bld, rho, max);
+ }
}
- }
- /* compute lod = log2(rho) */
- lod = lp_build_log2(float_bld, rho);
+ /* compute lod = log2(rho) */
+ lod = lp_build_log2(float_bld, rho);
- /* add lod bias */
- lod = LLVMBuildAdd(bld->builder, lod, lod_bias, "LOD bias");
+ /* add lod bias */
+ lod = LLVMBuildAdd(bld->builder, lod, lod_bias, "LOD bias");
- /* clamp lod */
- lod = lp_build_clamp(float_bld, lod, min_lod, max_lod);
+ /* clamp lod */
+ lod = lp_build_clamp(float_bld, lod, min_lod, max_lod);
- return lod;
+ return lod;
+ }
}
lp_build_cube_ima(struct lp_build_context *coord_bld, LLVMValueRef coord)
{
/* ima = -0.5 / abs(coord); */
- LLVMValueRef negHalf = lp_build_const_scalar(coord_bld->type, -0.5);
+ LLVMValueRef negHalf = lp_build_const_vec(coord_bld->type, -0.5);
LLVMValueRef absCoord = lp_build_abs(coord_bld, coord);
LLVMValueRef ima = lp_build_mul(coord_bld, negHalf,
lp_build_rcp(coord_bld, absCoord));
LLVMValueRef coord, LLVMValueRef ima)
{
/* return negate(coord) * ima * sign + 0.5; */
- LLVMValueRef half = lp_build_const_scalar(coord_bld->type, 0.5);
+ LLVMValueRef half = lp_build_const_vec(coord_bld->type, 0.5);
LLVMValueRef res;
assert(negate_coord == +1 || negate_coord == -1);
LLVMValueRef packed,
LLVMValueRef *rgba)
{
- LLVMValueRef mask = lp_build_int_const_scalar(dst_type, 0xff);
+ LLVMValueRef mask = lp_build_const_int_vec(dst_type, 0xff);
unsigned chan;
/* Decode the input vector components */
input = packed;
if(start)
- input = LLVMBuildLShr(builder, input, lp_build_int_const_scalar(dst_type, start), "");
+ input = LLVMBuildLShr(builder, input, lp_build_const_int_vec(dst_type, start), "");
if(stop < 32)
input = LLVMBuildAnd(builder, input, mask, "");
t = LLVMBuildFPToSI(builder, t, i32_vec_type, "");
/* subtract 0.5 (add -128) */
- i32_c128 = lp_build_int_const_scalar(i32.type, -128);
+ i32_c128 = lp_build_const_int_vec(i32.type, -128);
s = LLVMBuildAdd(builder, s, i32_c128, "");
t = LLVMBuildAdd(builder, t, i32_c128, "");
/* compute floor (shift right 8) */
- i32_c8 = lp_build_int_const_scalar(i32.type, 8);
+ i32_c8 = lp_build_const_int_vec(i32.type, 8);
s_ipart = LLVMBuildAShr(builder, s, i32_c8, "");
t_ipart = LLVMBuildAShr(builder, t, i32_c8, "");
/* compute fractional part (AND with 0xff) */
- i32_c255 = lp_build_int_const_scalar(i32.type, 255);
+ i32_c255 = lp_build_const_int_vec(i32.type, 255);
s_fpart = LLVMBuildAnd(builder, s, i32_c255, "");
t_fpart = LLVMBuildAnd(builder, t, i32_c255, "");
}
assert(res);
- res = lp_build_mul(texel_bld, res, lp_build_const_scalar(texel_bld->type, 0.25));
+ res = lp_build_mul(texel_bld, res, lp_build_const_vec(texel_bld->type, 0.25));
/* XXX returning result for default GL_DEPTH_TEXTURE_MODE = GL_LUMINANCE */
for(chan = 0; chan < 3; ++chan)
height_vec = lp_build_broadcast_scalar(&bld.uint_coord_bld, height);
depth_vec = lp_build_broadcast_scalar(&bld.uint_coord_bld, depth);
- if (lp_format_is_rgba8(bld.format_desc) &&
+ if (util_format_is_rgba8_variant(bld.format_desc) &&
static_state->target == PIPE_TEXTURE_2D &&
static_state->min_img_filter == PIPE_TEX_FILTER_LINEAR &&
static_state->mag_img_filter == PIPE_TEX_FILTER_LINEAR &&
projects / mesa.git / blobdiff