summaryrefslogtreecommitdiffstats
path: root/gfx/qcms/src/transform_avx.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /gfx/qcms/src/transform_avx.rs
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/qcms/src/transform_avx.rs')
-rw-r--r--gfx/qcms/src/transform_avx.rs228
1 files changed, 228 insertions, 0 deletions
diff --git a/gfx/qcms/src/transform_avx.rs b/gfx/qcms/src/transform_avx.rs
new file mode 100644
index 0000000000..3a000e56ba
--- /dev/null
+++ b/gfx/qcms/src/transform_avx.rs
@@ -0,0 +1,228 @@
+use crate::transform::{qcms_transform, Format, BGRA, CLAMPMAXVAL, FLOATSCALE, RGB, RGBA};
+#[cfg(target_arch = "x86")]
+pub use std::arch::x86::{
+ __m128, __m128i, __m256, __m256i, _mm256_add_ps, _mm256_broadcast_ps, _mm256_castps128_ps256,
+ _mm256_castps256_ps128, _mm256_cvtps_epi32, _mm256_insertf128_ps, _mm256_max_ps, _mm256_min_ps,
+ _mm256_mul_ps, _mm256_set1_ps, _mm256_setzero_ps, _mm256_store_si256, _mm_add_ps,
+ _mm_broadcast_ss, _mm_cvtps_epi32, _mm_max_ps, _mm_min_ps, _mm_mul_ps, _mm_store_si128,
+};
+#[cfg(target_arch = "x86_64")]
+pub use std::arch::x86_64::{
+ __m128, __m128i, __m256, __m256i, _mm256_add_ps, _mm256_broadcast_ps, _mm256_castps128_ps256,
+ _mm256_castps256_ps128, _mm256_cvtps_epi32, _mm256_insertf128_ps, _mm256_max_ps, _mm256_min_ps,
+ _mm256_mul_ps, _mm256_set1_ps, _mm256_setzero_ps, _mm256_store_si256, _mm_add_ps,
+ _mm_broadcast_ss, _mm_cvtps_epi32, _mm_max_ps, _mm_min_ps, _mm_mul_ps, _mm_store_si128,
+};
+
+#[repr(align(32))]
+struct Output([u32; 8]);
+
+#[target_feature(enable = "avx")]
+unsafe extern "C" fn qcms_transform_data_template_lut_avx<F: Format>(
+ transform: &qcms_transform,
+ mut src: *const u8,
+ mut dest: *mut u8,
+ mut length: usize,
+) {
+ let mat: *const [f32; 4] = (*transform).matrix.as_ptr();
+ let mut input: Output = std::mem::zeroed();
+ /* share input and output locations to save having to keep the
+ * locations in separate registers */
+ let output: *const u32 = &mut input as *mut Output as *mut u32;
+ /* deref *transform now to avoid it in loop */
+ let igtbl_r: *const f32 = (*transform).input_gamma_table_r.as_ref().unwrap().as_ptr();
+ let igtbl_g: *const f32 = (*transform).input_gamma_table_g.as_ref().unwrap().as_ptr();
+ let igtbl_b: *const f32 = (*transform).input_gamma_table_b.as_ref().unwrap().as_ptr();
+ /* deref *transform now to avoid it in loop */
+ let otdata_r: *const u8 = (*transform)
+ .output_table_r
+ .as_deref()
+ .unwrap()
+ .data
+ .as_ptr();
+ let otdata_g: *const u8 = (*transform)
+ .output_table_g
+ .as_deref()
+ .unwrap()
+ .data
+ .as_ptr();
+ let otdata_b: *const u8 = (*transform)
+ .output_table_b
+ .as_deref()
+ .unwrap()
+ .data
+ .as_ptr();
+ /* input matrix values never change */
+ let mat0: __m256 = _mm256_broadcast_ps(&*((*mat.offset(0isize)).as_ptr() as *const __m128));
+ let mat1: __m256 = _mm256_broadcast_ps(&*((*mat.offset(1isize)).as_ptr() as *const __m128));
+ let mat2: __m256 = _mm256_broadcast_ps(&*((*mat.offset(2isize)).as_ptr() as *const __m128));
+ /* these values don't change, either */
+ let max: __m256 = _mm256_set1_ps(CLAMPMAXVAL);
+ let min: __m256 = _mm256_setzero_ps();
+ let scale: __m256 = _mm256_set1_ps(FLOATSCALE);
+ let components: u32 = if F::kAIndex == 0xff { 3 } else { 4 } as u32;
+ /* working variables */
+ let mut vec_r: __m256 = _mm256_setzero_ps();
+ let mut vec_g: __m256 = _mm256_setzero_ps();
+ let mut vec_b: __m256 = _mm256_setzero_ps();
+ let mut result: __m256;
+ let mut vec_r0: __m128;
+ let mut vec_g0: __m128;
+ let mut vec_b0: __m128;
+ let mut vec_r1: __m128;
+ let mut vec_g1: __m128;
+ let mut vec_b1: __m128;
+ let mut alpha1: u8 = 0;
+ let mut alpha2: u8 = 0;
+ /* CYA */
+ if length == 0 {
+ return;
+ }
+ /* If there are at least 2 pixels, then we can load their components into
+ a single 256-bit register for processing. */
+ if length > 1 {
+ vec_r0 = _mm_broadcast_ss(&*igtbl_r.offset(*src.add(F::kRIndex) as isize));
+ vec_g0 = _mm_broadcast_ss(&*igtbl_g.offset(*src.add(F::kGIndex) as isize));
+ vec_b0 = _mm_broadcast_ss(&*igtbl_b.offset(*src.add(F::kBIndex) as isize));
+ vec_r1 =
+ _mm_broadcast_ss(&*igtbl_r.offset(*src.add(F::kRIndex + components as usize) as isize));
+ vec_g1 =
+ _mm_broadcast_ss(&*igtbl_g.offset(*src.add(F::kGIndex + components as usize) as isize));
+ vec_b1 =
+ _mm_broadcast_ss(&*igtbl_b.offset(*src.add(F::kBIndex + components as usize) as isize));
+ vec_r = _mm256_insertf128_ps(_mm256_castps128_ps256(vec_r0), vec_r1, 1);
+ vec_g = _mm256_insertf128_ps(_mm256_castps128_ps256(vec_g0), vec_g1, 1);
+ vec_b = _mm256_insertf128_ps(_mm256_castps128_ps256(vec_b0), vec_b1, 1);
+ if F::kAIndex != 0xff {
+ alpha1 = *src.add(F::kAIndex);
+ alpha2 = *src.add(F::kAIndex + components as usize)
+ }
+ }
+ /* If there are at least 4 pixels, then we can iterate and preload the
+ next 2 while we store the result of the current 2. */
+ while length > 3 {
+ /* Ensure we are pointing at the next 2 pixels for the next load. */
+ src = src.offset((2 * components) as isize);
+ /* gamma * matrix */
+ vec_r = _mm256_mul_ps(vec_r, mat0);
+ vec_g = _mm256_mul_ps(vec_g, mat1);
+ vec_b = _mm256_mul_ps(vec_b, mat2);
+ /* store alpha for these pixels; load alpha for next two */
+ if F::kAIndex != 0xff {
+ *dest.add(F::kAIndex) = alpha1;
+ *dest.add(F::kAIndex + components as usize) = alpha2;
+ alpha1 = *src.add(F::kAIndex);
+ alpha2 = *src.add(F::kAIndex + components as usize)
+ }
+ /* crunch, crunch, crunch */
+ vec_r = _mm256_add_ps(vec_r, _mm256_add_ps(vec_g, vec_b));
+ vec_r = _mm256_max_ps(min, vec_r);
+ vec_r = _mm256_min_ps(max, vec_r);
+ result = _mm256_mul_ps(vec_r, scale);
+ /* store calc'd output tables indices */
+ _mm256_store_si256(output as *mut __m256i, _mm256_cvtps_epi32(result));
+ /* load gamma values for next loop while store completes */
+ vec_r0 = _mm_broadcast_ss(&*igtbl_r.offset(*src.add(F::kRIndex) as isize));
+ vec_g0 = _mm_broadcast_ss(&*igtbl_g.offset(*src.add(F::kGIndex) as isize));
+ vec_b0 = _mm_broadcast_ss(&*igtbl_b.offset(*src.add(F::kBIndex) as isize));
+ vec_r1 =
+ _mm_broadcast_ss(&*igtbl_r.offset(*src.add(F::kRIndex + components as usize) as isize));
+ vec_g1 =
+ _mm_broadcast_ss(&*igtbl_g.offset(*src.add(F::kGIndex + components as usize) as isize));
+ vec_b1 =
+ _mm_broadcast_ss(&*igtbl_b.offset(*src.add(F::kBIndex + components as usize) as isize));
+ vec_r = _mm256_insertf128_ps(_mm256_castps128_ps256(vec_r0), vec_r1, 1);
+ vec_g = _mm256_insertf128_ps(_mm256_castps128_ps256(vec_g0), vec_g1, 1);
+ vec_b = _mm256_insertf128_ps(_mm256_castps128_ps256(vec_b0), vec_b1, 1);
+ /* use calc'd indices to output RGB values */
+ *dest.add(F::kRIndex) = *otdata_r.offset(*output.offset(0isize) as isize);
+ *dest.add(F::kGIndex) = *otdata_g.offset(*output.offset(1isize) as isize);
+ *dest.add(F::kBIndex) = *otdata_b.offset(*output.offset(2isize) as isize);
+ *dest.add(F::kRIndex + components as usize) =
+ *otdata_r.offset(*output.offset(4isize) as isize);
+ *dest.add(F::kGIndex + components as usize) =
+ *otdata_g.offset(*output.offset(5isize) as isize);
+ *dest.add(F::kBIndex + components as usize) =
+ *otdata_b.offset(*output.offset(6isize) as isize);
+ dest = dest.offset((2 * components) as isize);
+ length -= 2
+ }
+ /* There are 0-3 pixels remaining. If there are 2-3 remaining, then we know
+ we have already populated the necessary registers to start the transform. */
+ if length > 1 {
+ vec_r = _mm256_mul_ps(vec_r, mat0);
+ vec_g = _mm256_mul_ps(vec_g, mat1);
+ vec_b = _mm256_mul_ps(vec_b, mat2);
+ if F::kAIndex != 0xff {
+ *dest.add(F::kAIndex) = alpha1;
+ *dest.add(F::kAIndex + components as usize) = alpha2
+ }
+ vec_r = _mm256_add_ps(vec_r, _mm256_add_ps(vec_g, vec_b));
+ vec_r = _mm256_max_ps(min, vec_r);
+ vec_r = _mm256_min_ps(max, vec_r);
+ result = _mm256_mul_ps(vec_r, scale);
+ _mm256_store_si256(output as *mut __m256i, _mm256_cvtps_epi32(result));
+ *dest.add(F::kRIndex) = *otdata_r.offset(*output.offset(0isize) as isize);
+ *dest.add(F::kGIndex) = *otdata_g.offset(*output.offset(1isize) as isize);
+ *dest.add(F::kBIndex) = *otdata_b.offset(*output.offset(2isize) as isize);
+ *dest.add(F::kRIndex + components as usize) =
+ *otdata_r.offset(*output.offset(4isize) as isize);
+ *dest.add(F::kGIndex + components as usize) =
+ *otdata_g.offset(*output.offset(5isize) as isize);
+ *dest.add(F::kBIndex + components as usize) =
+ *otdata_b.offset(*output.offset(6isize) as isize);
+ src = src.offset((2 * components) as isize);
+ dest = dest.offset((2 * components) as isize);
+ length -= 2
+ }
+ /* There may be 0-1 pixels remaining. */
+ if length == 1 {
+ vec_r0 = _mm_broadcast_ss(&*igtbl_r.offset(*src.add(F::kRIndex) as isize));
+ vec_g0 = _mm_broadcast_ss(&*igtbl_g.offset(*src.add(F::kGIndex) as isize));
+ vec_b0 = _mm_broadcast_ss(&*igtbl_b.offset(*src.add(F::kBIndex) as isize));
+ vec_r0 = _mm_mul_ps(vec_r0, _mm256_castps256_ps128(mat0));
+ vec_g0 = _mm_mul_ps(vec_g0, _mm256_castps256_ps128(mat1));
+ vec_b0 = _mm_mul_ps(vec_b0, _mm256_castps256_ps128(mat2));
+ if F::kAIndex != 0xff {
+ *dest.add(F::kAIndex) = *src.add(F::kAIndex)
+ }
+ vec_r0 = _mm_add_ps(vec_r0, _mm_add_ps(vec_g0, vec_b0));
+ vec_r0 = _mm_max_ps(_mm256_castps256_ps128(min), vec_r0);
+ vec_r0 = _mm_min_ps(_mm256_castps256_ps128(max), vec_r0);
+ vec_r0 = _mm_mul_ps(vec_r0, _mm256_castps256_ps128(scale));
+ _mm_store_si128(output as *mut __m128i, _mm_cvtps_epi32(vec_r0));
+ *dest.add(F::kRIndex) = *otdata_r.offset(*output.offset(0isize) as isize);
+ *dest.add(F::kGIndex) = *otdata_g.offset(*output.offset(1isize) as isize);
+ *dest.add(F::kBIndex) = *otdata_b.offset(*output.offset(2isize) as isize)
+ };
+}
+#[no_mangle]
+#[target_feature(enable = "avx")]
+pub unsafe fn qcms_transform_data_rgb_out_lut_avx(
+ transform: &qcms_transform,
+ src: *const u8,
+ dest: *mut u8,
+ length: usize,
+) {
+ qcms_transform_data_template_lut_avx::<RGB>(transform, src, dest, length);
+}
+#[no_mangle]
+#[target_feature(enable = "avx")]
+pub unsafe fn qcms_transform_data_rgba_out_lut_avx(
+ transform: &qcms_transform,
+ src: *const u8,
+ dest: *mut u8,
+ length: usize,
+) {
+ qcms_transform_data_template_lut_avx::<RGBA>(transform, src, dest, length);
+}
+#[no_mangle]
+#[target_feature(enable = "avx")]
+pub unsafe fn qcms_transform_data_bgra_out_lut_avx(
+ transform: &qcms_transform,
+ src: *const u8,
+ dest: *mut u8,
+ length: usize,
+) {
+ qcms_transform_data_template_lut_avx::<BGRA>(transform, src, dest, length);
+}