Searched defs:alpha (Results 326 - 350 of 573) sorted by relevance

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/external/chromium_org/gpu/tools/compositor_model_bench/
H A Dshaders.cc178 uniform float alpha; local
187 gl_FragColor = vec4(rgb, 1.0) * alpha;
197 uniform float alpha; local
204 texColor.w) * alpha;
214 uniform float alpha; local
217 gl_FragColor = texColor * alpha;
326 GLint alpha = glGetUniformLocationARB(program, "alpha"); local
327 glUniform1fARB(alpha, 0.9);
336 GLint alpha local
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/external/chromium_org/skia/ext/
H A Dconvolver.cc215 unsigned char alpha = ClampTo8(accum[3]); local
217 // Make sure the alpha channel doesn't come out smaller than any of the
218 // color channels. We use premultipled alpha channels, so this should
226 if (alpha < max_color_channel)
229 out_row[byte_offset + 3] = alpha;
231 // No alpha channel, the image is opaque.
H A Dvector_canvas_unittest.cc209 // Flag to signal if the comparison functions should ignore the alpha channel.
319 BYTE alpha = SkColorGetA(color); local
320 if (!alpha) {
323 BYTE alpha_offset = alpha / 2;
326 (SkColorGetR(color) * 255 + alpha_offset) / alpha,
327 (SkColorGetG(color) * 255 + alpha_offset) / alpha,
328 (SkColorGetB(color) * 255 + alpha_offset) / alpha);
815 EXPECT_EQ(0., ProcessImage(FILE_PATH_LITERAL("alpha")));
/external/chromium_org/third_party/WebKit/Source/platform/graphics/filters/
H A DFilterEffect.cpp243 // Iterate over each pixel, checking alpha and adjusting color components if necessary
247 // Clamp each component to alpha, and increment the pixel location
253 // Increment for alpha
380 int alpha = sourceComponent[3]; local
381 if (alpha) {
382 destinationComponent[0] = static_cast<int>(sourceComponent[0]) * 255 / alpha;
383 destinationComponent[1] = static_cast<int>(sourceComponent[1]) * 255 / alpha;
384 destinationComponent[2] = static_cast<int>(sourceComponent[2]) * 255 / alpha;
390 destinationComponent[3] = alpha;
414 int alpha local
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/external/chromium_org/third_party/angle/src/libGLESv2/
H A Dformatutils.cpp287 static InternalFormat RGBAFormat(GLuint red, GLuint green, GLuint blue, GLuint alpha, GLuint shared, argument
297 formatInfo.alphaBits = alpha;
299 formatInfo.pixelBytes = (red + green + blue + alpha + shared) / 8;
300 formatInfo.componentCount = ((red > 0) ? 1 : 0) + ((green > 0) ? 1 : 0) + ((blue > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
311 static InternalFormat LUMAFormat(GLuint luminance, GLuint alpha, GLenum format, GLenum type, GLenum componentType, argument
318 formatInfo.alphaBits = alpha;
319 formatInfo.pixelBytes = (luminance + alpha) / 8;
320 formatInfo.componentCount = ((luminance > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
452 // Luminance alpha formats
/external/chromium_org/third_party/angle/src/libGLESv2/renderer/d3d/d3d9/
H A DImage9.cpp650 unsigned char alpha = (signed short)argb >> 15; local
654 dest[x + 3] = alpha;
H A Drenderer9_utils.cpp51 gl::unorm<8>(color.alpha));
183 DWORD ConvertColorMask(bool red, bool green, bool blue, bool alpha) argument
188 (alpha ? D3DCOLORWRITEENABLE_ALPHA : 0);
/external/chromium_org/third_party/libwebp/dec/
H A Dio.c149 const uint8_t* alpha = io->a; local
156 if (alpha != NULL) {
158 memcpy(dst, alpha, mb_w * sizeof(*dst));
159 alpha += io->width;
163 // the user requested alpha, but there is none, set it to opaque.
173 const uint8_t** alpha, int* const num_rows) {
185 // Fortunately, *alpha data is persistent, so we can go back
186 // one row and finish alpha blending, now that the fancy upscaler
188 *alpha -= io->width;
199 const uint8_t* alpha local
172 GetAlphaSourceRow(const VP8Io* const io, const uint8_t** alpha, int* const num_rows) argument
232 const uint8_t* alpha = io->a; local
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/external/chromium_org/third_party/libwebp/enc/
H A Danalysis.c92 const int alpha = 255 * (centers[n] - mid) / (max - min); local
94 enc->dqm_[n].alpha_ = clip(alpha, -127, 127);
104 #define ALPHA_SCALE (2 * MAX_ALPHA) // scaling factor for alpha.
106 #define IS_BETTER_ALPHA(alpha, best_alpha) ((alpha) > (best_alpha))
108 static int FinalAlphaValue(int alpha) { argument
109 alpha = MAX_ALPHA - alpha;
110 return clip(alpha, 0, MAX_ALPHA);
116 int alpha; local
211 const int alpha = mb->alpha_; local
245 int alpha; local
277 int alpha; local
311 int alpha; local
325 MBAnalyze(VP8EncIterator* const it, int alphas[MAX_ALPHA + 1], int* const alpha, int* const uv_alpha) argument
392 int alpha, uv_alpha; member in struct:__anon13266
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H A Dpicture_csp.c38 // Returns true if alpha[] has non-0xff values.
39 static int CheckNonOpaque(const uint8_t* alpha, int width, int height, argument
41 if (alpha == NULL) return 0;
45 if (alpha[x] != 0xff) return 1; // TODO(skal): check 4/8 bytes at a time.
47 alpha += y_step;
52 // Checking for the presence of non-opaque alpha.
64 if (argb[x] < 0xff000000u) return 1; // test any alpha values != 0xff
315 // Insert alpha values if needed, in replacement for the default 0xff ones.
/external/chromium_org/third_party/mesa/src/src/gallium/state_trackers/vega/
H A Dapi_filters.c678 VGubyte blue, green, red, alpha; local
682 alpha = (rgba & 0x000000ff)>> 0;
684 red << 8 | alpha;
/external/chromium_org/third_party/mesa/src/src/mesa/main/
H A Des1_conversion.c45 _es_ClearColorx(GLclampx red, GLclampx green, GLclampx blue, GLclampx alpha) argument
50 (GLclampf) (alpha / 65536.0f));
86 _es_Color4ub(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha) argument
91 (GLfloat) (alpha / 255.0f));
95 _es_Color4x(GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha) argument
100 (GLfloat) (alpha / 65536.0f));
/external/chromium_org/third_party/mesa/src/src/mesa/swrast/
H A Ds_blit.c388 GLfloat red, green, blue, alpha; local
414 alpha = lerp_2d(colWeight, rowWeight,
421 dstColor[dstCol][ACOMP] = IFLOOR(alpha);
445 GLfloat red, green, blue, alpha; local
471 alpha = lerp_2d(colWeight, rowWeight,
478 dstColor[dstCol][ACOMP] = alpha;
/external/chromium_org/third_party/opus/src/src/
H A Danalysis.c217 float alpha, alphaE, alphaE2; local
228 alpha = 1.f/IMIN(20, 1+tonal->count);
457 tonal->cmean[i] = (1-alpha)*tonal->cmean[i] + alpha*BFCC[i];
467 tonal->std[i] = (1-alpha)*tonal->std[i] + alpha*features[i]*features[i];
/external/chromium_org/third_party/skia/bench/
H A DMathBench.cpp153 static inline uint32_t QMul64(uint32_t value, U8CPU alpha) { argument
154 SkASSERT((uint8_t)alpha == alpha);
159 tmp *= alpha;
H A Dnanobench.cpp263 SkAlphaType alpha; member in struct:Config
311 #define CPU_CONFIG(name, backend, color, alpha) \
313 Config config = { #name, Benchmark::backend, color, alpha, 0, kBogusGLContextType }; \
358 config.color, config.alpha);
/external/chromium_org/third_party/skia/src/core/
H A DSkScalerContext.cpp358 static uint8_t pack_8_to_1(const uint8_t alpha[8]) { argument
362 bits |= convert_8_to_1(alpha[i]);
579 // now we need to extract the alpha-channel from the glyph's image
/external/chromium_org/third_party/skia/src/effects/
H A DSkAlphaThresholdFilter.cpp365 U8CPU alpha = SkColorGetA(source); local
366 if (alpha == 0)
367 alpha = 1;
368 float scale = (float)innerThreshold / alpha;
H A DSkArithmeticMode.cpp108 static bool needsUnpremul(int alpha) { argument
109 return 0 != alpha && 0xFF != alpha;
/external/chromium_org/third_party/skia/src/images/
H A DSkImageDecoder_libwebp.cpp54 static bool webp_parse_header(SkStream* stream, int* width, int* height, int* alpha) { argument
79 *alpha = features.has_alpha;
119 * If the image does not have alpha, there is no need to premultiply.
/external/chromium_org/third_party/skia/src/ports/
H A DSkFontHost_FreeType_common.cpp258 static uint8_t pack_8_to_1(const uint8_t alpha[8]) { argument
262 bits |= convert_8_to_1(alpha[i]);
/external/chromium_org/third_party/webrtc/modules/audio_processing/aecm/
H A Daecm_core_c.c43 //Q15 alpha = 0.99439986968132 const Factor for magnitude approximation
47 //Q15 alpha = 0.94234827210087 const Factor for magnitude approximation
51 //Q15 alpha = 0.82247698684306 const Factor for magnitude approximation
188 uint16_t alpha = 0; local
223 // magn ~= alpha * max(|imag|,|real|) + beta * min(|imag|,|real|)
225 // The parameters alpha and beta are stored in Q15
244 alpha = kAlpha1;
248 alpha = kAlpha2;
252 alpha = kAlpha3;
255 tmp16no1 = (int16_t)WEBRTC_SPL_MUL_16_16_RSFT(max_value, alpha, 1
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/external/chromium_org/ui/gfx/android/
H A Dscroller.cc69 const float alpha = static_cast<float>(i) / NUM_SAMPLES; local
77 if (ApproxEquals(tx, alpha))
79 if (tx > alpha)
92 if (ApproxEquals(dy, alpha))
94 if (dy > alpha)
/external/chromium_org/ui/gfx/codec/
H A Dpng_codec_unittest.cc35 // Set use_transparency to write data into the alpha channel, otherwise it will
36 // be filled with 0xff. With the alpha channel stripped, this should yield the
82 // Creates a grayscale image without an alpha channel.
93 // Creates a grayscale image with an alpha channel.
101 px[1] = x % 256; // alpha
335 // Create an image with known values, alpha must be opaque because it will be
395 int alpha = original_trans_chunk[palette_pixel]; local
401 EXPECT_EQ(alpha, rgba_pixel[3]);
483 int alpha = original_trans_chunk[palette_pixel]; local
489 EXPECT_EQ(alpha, rgba_pixe
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/external/chromium_org/ui/gfx/
H A Dcolor_analysis.cc140 int alpha = SkGetPackedA32(*in); local
141 if (alpha != 0 && alpha != 255)
398 // SkBitmap uses pre-multiplied alpha but the KMean clustering function
399 // above uses non-pre-multiplied alpha. Transform the bitmap before we
443 int alpha = SkGetPackedA32(*current_color); local
444 if (alpha != 0 && alpha != 255)
526 int alpha = SkGetPackedA32(source_color_row[x]); local
527 if (alpha !
558 int alpha = SkGetPackedA32(source_color_row[x]); local
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