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/third_party/skia/gm/
H A Dall_bitmap_configs.cpp200 uint32_t alpha = 0x00; in make_pixel() local
203 alpha = 0xFF; in make_pixel()
209 component = alpha; in make_pixel()
215 SK_ABORT("Should not get here - invalid alpha type"); in make_pixel()
217 return alpha << 24 | component; in make_pixel()
H A Dcompositor_quads.cpp573 float alpha = quadID / 10.f; variable
574 c.fR = c.fR * (1 - alpha) + alpha;
575 c.fG = c.fG * (1 - alpha) + alpha;
576 c.fB = c.fB * (1 - alpha) + alpha;
577 c.fA = c.fA * (1 - alpha) + alpha;
682 static sk_sp<ClipTileRenderer> MakeAlpha(sk_sp<SkImage> image, SkScalar alpha) { in MakeAlpha() argument
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/third_party/vk-gl-cts/modules/gles2/functional/
H A Des2fReadPixelsTests.cpp194 const float alpha = 1.0f; in iterate() local
196 m_testCtx.getLog() << tcu::TestLog::Message << "Clear color: (" << red << ", " << green << ", " << blue << ", " << alpha << ")" << tcu::TestLog::EndMessage; in iterate()
199 GLU_CHECK_CALL(glClearColor(red, green, blue, alpha)); in iterate()
202 tcu::clear(reference.getLevel(0), tcu::Vec4(red, green, blue, alpha)); in iterate()
/kernel/linux/linux-5.10/drivers/gpu/drm/exynos/
H A Dexynos5433_drm_decon.c264 unsigned int alpha, unsigned int pixel_alpha) in decon_win_set_bldeq()
277 if (alpha != DRM_BLEND_ALPHA_OPAQUE) { in decon_win_set_bldeq()
290 unsigned int alpha, unsigned int pixel_alpha) in decon_win_set_bldmod()
292 u32 win_alpha = alpha >> 8; in decon_win_set_bldmod()
308 if (alpha != DRM_BLEND_ALPHA_OPAQUE) { in decon_win_set_bldmod()
324 unsigned int alpha = state->base.alpha; in decon_win_set_pixfmt() local
377 decon_win_set_bldmod(ctx, win, alpha, pixel_alpha); in decon_win_set_pixfmt()
378 decon_win_set_bldeq(ctx, win, alpha, pixel_alpha); in decon_win_set_pixfmt()
263 decon_win_set_bldeq(struct decon_context *ctx, unsigned int win, unsigned int alpha, unsigned int pixel_alpha) decon_win_set_bldeq() argument
289 decon_win_set_bldmod(struct decon_context *ctx, unsigned int win, unsigned int alpha, unsigned int pixel_alpha) decon_win_set_bldmod() argument
/kernel/linux/linux-6.6/drivers/gpu/drm/exynos/
H A Dexynos5433_drm_decon.c265 unsigned int alpha, unsigned int pixel_alpha) in decon_win_set_bldeq()
278 if (alpha != DRM_BLEND_ALPHA_OPAQUE) { in decon_win_set_bldeq()
291 unsigned int alpha, unsigned int pixel_alpha) in decon_win_set_bldmod()
293 u32 win_alpha = alpha >> 8; in decon_win_set_bldmod()
309 if (alpha != DRM_BLEND_ALPHA_OPAQUE) { in decon_win_set_bldmod()
325 unsigned int alpha = state->base.alpha; in decon_win_set_pixfmt() local
378 decon_win_set_bldmod(ctx, win, alpha, pixel_alpha); in decon_win_set_pixfmt()
379 decon_win_set_bldeq(ctx, win, alpha, pixel_alpha); in decon_win_set_pixfmt()
264 decon_win_set_bldeq(struct decon_context *ctx, unsigned int win, unsigned int alpha, unsigned int pixel_alpha) decon_win_set_bldeq() argument
290 decon_win_set_bldmod(struct decon_context *ctx, unsigned int win, unsigned int alpha, unsigned int pixel_alpha) decon_win_set_bldmod() argument
/third_party/ffmpeg/libavfilter/
H A Daf_acrossover.c247 double alpha = sin(omega) / (2. * q); in set_lp() local
252 double a0 = 1. + alpha; in set_lp()
254 double a2 = 1. - alpha; in set_lp()
273 double alpha = sin(omega) / (2. * q); in set_hp() local
278 double a0 = 1. + alpha; in set_hp()
280 double a2 = 1. - alpha; in set_hp()
299 double alpha = sin(omega) / (2. * q); in set_ap() local
301 double a0 = 1. + alpha; in set_ap()
303 double a2 = 1. - alpha; in set_ap()
H A Daf_aemphasis.c158 double alpha = sin(w0) / (2 * q); in set_highshelf_rbj() local
160 double tmp = 2 * sqrt(A) * alpha; in set_highshelf_rbj()
183 double alpha = sn/(2 * q); in set_lp_rbj() local
184 double inv = 1.0/(1.0 + alpha); in set_lp_rbj()
189 bq->b2 = ((1.0 - alpha) * inv); in set_lp_rbj()
/foundation/graphic/graphic_3d/lume/LumeRender/src/datastore/
H A Drender_data_store_post_process.h166 constexpr float alpha = 0.1f; in GetFactorTaa() local
168 static_cast<float>(input.taaConfiguration.quality), 0.0f, alpha }; in GetFactorTaa()
192 input.motionBlurConfiguration.alpha, in GetFactorMotionBlur()
/foundation/graphic/graphic_2d/rosen/test/2d_graphics/fuzztest/ndk/ndkpen_fuzzer/
H A Dpen_fuzzer.cpp54 uint8_t alpha = GetObject<uint8_t>(); in PenFuzzTest000() local
70 OH_Drawing_PenSetAlpha(nullptr, alpha); in PenFuzzTest000()
71 OH_Drawing_PenSetAlpha(pen, alpha); in PenFuzzTest000()
/foundation/graphic/graphic_2d/rosen/modules/render_service_base/src/animation/
H A Drs_render_transition_effect.cpp90 float alpha; in Unmarshalling() local
91 if (!RSMarshallingHelper::Unmarshalling(parcel, alpha)) { in Unmarshalling()
92 ROSEN_LOGE("RSTransitionFade::Unmarshalling, unmarshalling alpha failed"); in Unmarshalling()
95 return new RSTransitionFade(alpha); in Unmarshalling()
/third_party/ltp/testcases/misc/math/fptests/
H A Dfptest01.c88 double dtc, dts, alpha; /* timing parameters */ variable
106 alpha = 0.1; in main()
135 dtwsig = dtw * alpha; /* std deviation of work time */ in init()
H A Dfptest02.c88 double dtc, dts, alpha; /* timing parameters */ variable
105 alpha = 0.1; in main()
134 dtwsig = dtw * alpha; /* std deviation of work time */ in init()
/third_party/skia/samplecode/
H A DSampleShadowColor.cpp123 SkScalar alpha = (.6 - .4*luminance)*luminance*luminance + 0.3f; in drawShadowedPath() local
124 spotAlpha -= (alpha - 0.3f)*.5f; in drawShadowedPath()
125 SkColor spotColor = SkColorSetARGB(alpha*SkColorGetA(color), SkColorGetR(color), in drawShadowedPath()
/third_party/skia/src/core/
H A DSkCoreBlitters.h60 void blitV(int x, int y, int height, SkAlpha alpha) override;
76 void blitV(int x, int y, int height, SkAlpha alpha) override;
126 void blitV(int x, int y, int height, SkAlpha alpha) override;
170 // Use this if you've pre-baked a shader pipeline, including modulating with paint alpha.
H A DSkMaskFilter.cpp139 uint8_t* alpha = (uint8_t*)(runs + innerW + 1); in draw_nine_clipped() local
151 alpha[0] = *mask.getAddr8(cx, mask.fBounds.top() + y); in draw_nine_clipped()
152 blitter->blitAntiH(r.left(), outerR.top() + y, alpha, runs); in draw_nine_clipped()
164 alpha[0] = *mask.getAddr8(cx, mask.fBounds.bottom() - y - 1); in draw_nine_clipped()
165 blitter->blitAntiH(r.left(), outerR.bottom() - y - 1, alpha, runs); in draw_nine_clipped()
/third_party/ffmpeg/libavcodec/
H A Drv40dsp.c434 const int alpha, in rv40_weak_loop_filter()
453 u = (alpha * FFABS(t)) >> 7; in rv40_weak_loop_filter()
479 const int alpha, const int beta, in rv40_h_weak_loop_filter()
484 alpha, beta, lim_p0q0, lim_q1, lim_p1); in rv40_h_weak_loop_filter()
489 const int alpha, const int beta, in rv40_v_weak_loop_filter()
494 alpha, beta, lim_p0q0, lim_q1, lim_p1); in rv40_v_weak_loop_filter()
500 const int alpha, in rv40_strong_loop_filter()
514 sflag = (alpha * FFABS(t)) >> 7; in rv40_strong_loop_filter()
556 const int alpha, const int lims, in rv40_h_strong_loop_filter()
559 rv40_strong_loop_filter(src, stride, 1, alpha, lim in rv40_h_strong_loop_filter()
429 rv40_weak_loop_filter(uint8_t *src, const int step, const ptrdiff_t stride, const int filter_p1, const int filter_q1, const int alpha, const int beta, const int lim_p0q0, const int lim_q1, const int lim_p1) rv40_weak_loop_filter() argument
477 rv40_h_weak_loop_filter(uint8_t *src, const ptrdiff_t stride, const int filter_p1, const int filter_q1, const int alpha, const int beta, const int lim_p0q0, const int lim_q1, const int lim_p1) rv40_h_weak_loop_filter() argument
487 rv40_v_weak_loop_filter(uint8_t *src, const ptrdiff_t stride, const int filter_p1, const int filter_q1, const int alpha, const int beta, const int lim_p0q0, const int lim_q1, const int lim_p1) rv40_v_weak_loop_filter() argument
497 rv40_strong_loop_filter(uint8_t *src, const int step, const ptrdiff_t stride, const int alpha, const int lims, const int dmode, const int chroma) rv40_strong_loop_filter() argument
555 rv40_h_strong_loop_filter(uint8_t *src, const ptrdiff_t stride, const int alpha, const int lims, const int dmode, const int chroma) rv40_h_strong_loop_filter() argument
562 rv40_v_strong_loop_filter(uint8_t *src, const ptrdiff_t stride, const int alpha, const int lims, const int dmode, const int chroma) rv40_v_strong_loop_filter() argument
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H A Daacenc_pred.c68 const float alpha = 0.90625; // 29.0 / 32 in predict() local
79 ps->cor1 = flt16_trunc(alpha * cor1 + r1 * e1); in predict()
80 ps->var1 = flt16_trunc(alpha * var1 + 0.5f * (r1 * r1 + e1 * e1)); in predict()
81 ps->cor0 = flt16_trunc(alpha * cor0 + r0 * e0); in predict()
82 ps->var0 = flt16_trunc(alpha * var0 + 0.5f * (r0 * r0 + e0 * e0)); in predict()
H A Daacdec.c182 const float alpha = 0.90625; // 29.0 / 32 in predict() local
200 ps->cor1 = flt16_trunc(alpha * cor1 + r1 * e1); in predict()
201 ps->var1 = flt16_trunc(alpha * var1 + 0.5f * (r1 * r1 + e1 * e1)); in predict()
202 ps->cor0 = flt16_trunc(alpha * cor0 + r0 * e0); in predict()
203 ps->var0 = flt16_trunc(alpha * var0 + 0.5f * (r0 * r0 + e0 * e0)); in predict()
H A Daacdec_fixed.c285 const SoftFloat alpha = { 973078528, 0 }; // 29.0 / 32 in predict() local
326 ps->cor1 = flt16_trunc(av_add_sf(av_mul_sf(alpha, cor1), av_mul_sf(r1, e1))); in predict()
329 ps->var1 = flt16_trunc(av_add_sf(av_mul_sf(alpha, var1), tmp)); in predict()
330 ps->cor0 = flt16_trunc(av_add_sf(av_mul_sf(alpha, cor0), av_mul_sf(r0, e0))); in predict()
333 ps->var0 = flt16_trunc(av_add_sf(av_mul_sf(alpha, var0), tmp)); in predict()
/third_party/skia/third_party/externals/libwebp/src/demux/
H A Ddemux.c251 if (alpha_chunks > 0) return PARSE_ERROR; // VP8L has its own alpha in StoreFrame()
420 // Clear any alpha when the alpha flag is missing. in ParseSingleImage()
428 // Also, set ALPHA_FLAG if this is a lossless image with alpha. in ParseSingleImage()
622 const ChunkData* const alpha = f->img_components_ + 1; in IsValidExtendedFormat() local
627 if (alpha->size_ == 0 && image->size_ == 0) return 0; in IsValidExtendedFormat()
628 // Ensure alpha precedes image bitstream. in IsValidExtendedFormat()
629 if (alpha->size_ > 0 && alpha->offset_ > image->offset_) { in IsValidExtendedFormat()
638 // Ensure alpha precede in IsValidExtendedFormat()
818 const ChunkData* const alpha = frame->img_components_ + 1; GetFramePayload() local
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/third_party/skia/third_party/externals/dawn/src/dawn_native/
H A DRenderPipeline.cpp321 DAWN_TRY(ValidateBlendOperation(descriptor->alpha.operation)); in ValidateBlendState()
322 DAWN_TRY(ValidateBlendFactor(descriptor->alpha.srcFactor)); in ValidateBlendState()
323 DAWN_TRY(ValidateBlendFactor(descriptor->alpha.dstFactor)); in ValidateBlendState()
377 // No alpha channel output in ValidateColorTargetState()
378 // Make sure there's no alpha involved in the blending operation in ValidateColorTargetState()
382 "Color blending srcfactor (%s) or dstFactor (%s) is reading alpha " in ValidateColorTargetState()
898 recorder.Record(desc.blend->alpha.operation, desc.blend->alpha.srcFactor, in ComputeContentHash()
899 desc.blend->alpha.dstFactor); in ComputeContentHash()
968 if (descA.blend->alpha in operator ()()
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/kernel/linux/linux-6.6/drivers/gpu/drm/i915/display/
H A Dskl_universal_plane.c168 int skl_format_to_fourcc(int format, bool rgb_order, bool alpha) in skl_format_to_fourcc() argument
198 if (alpha) in skl_format_to_fourcc()
203 if (alpha) in skl_format_to_fourcc()
210 if (alpha) in skl_format_to_fourcc()
215 if (alpha) in skl_format_to_fourcc()
222 if (alpha) in skl_format_to_fourcc()
227 if (alpha) in skl_format_to_fourcc()
1061 u8 alpha = plane_state->hw.alpha >> 8; in skl_plane_keymax() local
1063 return (key->max_value & 0xffffff) | PLANE_KEYMAX_ALPHA(alpha); in skl_plane_keymax()
1069 u8 alpha = plane_state->hw.alpha >> 8; skl_plane_keymsk() local
2397 u32 val, base, offset, stride_mult, tiling, alpha; skl_get_initial_plane_config() local
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/third_party/ffmpeg/libavcodec/x86/
H A Dh264_deblock_10bit.asm78 ; %5=alpha, %6=beta, %7-%9=tmp
81 ABS_SUB %2, %3, %5, %8, %7 ; |p0-q0| - alpha
153 ; void ff_deblock_v_luma_10(uint16_t *pix, int stride, int alpha, int beta,
304 ; m12=alpha, m13=beta
511 paddw t3, [pw_2] ; alpha/4+2
512 DIFF_LT m1, m2, t3, t2, t0 ; t2 = |p0-q0| < alpha/4+2
602 ; void ff_deblock_v_luma_intra_10(uint16_t *pix, int stride, int alpha,
638 paddw t2, m0 ; alpha/4+2
639 DIFF_LT p0, q0, t2, m6, t0 ; m6 = |p0-q0| < alpha/4+2
654 ; void ff_deblock_h_luma_intra_10(uint16_t *pix, int stride, int alpha,
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/third_party/ffmpeg/tests/checkasm/
H A Dsw_gbrp.c89 const int16_t *alpha[LARGEST_FILTER]; in check_output_yuv2gbrp() local
130 alpha[i] = (int16_t *)(src_a + i*LARGEST_INPUT_SIZE); in check_output_yuv2gbrp()
172 alpha, dst0, dstW, 0); in check_output_yuv2gbrp()
175 alpha, dst1, dstW, 0); in check_output_yuv2gbrp()
185 alpha, dst1, dstW, 0); in check_output_yuv2gbrp()
/third_party/skia/src/images/
H A DSkPngEncoder.cpp116 sigBit.alpha = 16; in setHeader()
132 sigBit.alpha = 8; in setHeader()
152 sigBit.alpha = 4; in setHeader()
164 case kAlpha_8_SkColorType: // store as gray+alpha, but ignore gray in setHeader()
166 sigBit.alpha = 8; in setHeader()
175 sigBit.alpha = 2; in setHeader()
389 // to skip the alpha channel. in writeInfo()

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