diff options
author | Robert Phillips <robertphillips@google.com> | 2017-08-04 11:27:00 -0400 |
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committer | Skia Commit-Bot <skia-commit-bot@chromium.org> | 2017-08-07 13:33:49 +0000 |
commit | 6dd8cf144ecbc395dc12bd5f775bbeee04b9d38c (patch) | |
tree | f05965ad55589843158accb1e538411a43068648 /gm/lightingshader2.cpp | |
parent | 35ee0e09b4966bd087147e2c9b4c3177e9737d3b (diff) |
Remove SkLightingShader and associated classes
Change-Id: I8050414c30dfdb5df23ca79955adc5ba3a29d3f5
Reviewed-on: https://skia-review.googlesource.com/31140
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
Diffstat (limited to 'gm/lightingshader2.cpp')
-rw-r--r-- | gm/lightingshader2.cpp | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/gm/lightingshader2.cpp b/gm/lightingshader2.cpp deleted file mode 100644 index b0c7beec46..0000000000 --- a/gm/lightingshader2.cpp +++ /dev/null @@ -1,274 +0,0 @@ -/* - * Copyright 2016 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include "gm.h" -#include "sk_tool_utils.h" -#include "SkLightingShader.h" -#include "SkNormalSource.h" -#include "SkPoint3.h" -#include "SkShader.h" - -// Create a truncated pyramid normal map -static SkBitmap make_frustum_normalmap(int texSize) { - SkBitmap frustum; - frustum.allocN32Pixels(texSize, texSize); - - sk_tool_utils::create_frustum_normal_map(&frustum, SkIRect::MakeWH(texSize, texSize)); - return frustum; -} - -namespace skiagm { - -// This GM exercises lighting shaders. Specifically, nullptr arguments, scaling when using -// normal maps, paint transparency, zero directional lights, multiple directional lights. -class LightingShader2GM : public GM { -public: - LightingShader2GM() { - this->setBGColor(sk_tool_utils::color_to_565(0xFFCCCCCC)); - } - -protected: - SkString onShortName() override { - return SkString("lightingshader2"); - } - - SkISize onISize() override { - return SkISize::Make(600, 740); - } - - void onOnceBeforeDraw() override { - const SkVector3 kLightFromUpperRight = SkVector3::Make(0.788f, 0.394f, 0.473f); - const SkVector3 kLightFromUpperLeft = SkVector3::Make(-0.788f, 0.394f, 0.473f); - - // Standard set of lights - SkLights::Builder builder; - builder.add(SkLights::Light::MakeDirectional(SkColor3f::Make(1.0f, 1.0f, 1.0f), - kLightFromUpperRight)); - builder.setAmbientLightColor(SkColor3f::Make(0.2f, 0.2f, 0.2f)); - fLights = builder.finish(); - - // No directional lights - SkLights::Builder builderNoDir; - builderNoDir.setAmbientLightColor(SkColor3f::Make(0.2f, 0.2f, 0.2f)); - fLightsNoDir = builderNoDir.finish(); - - // Two directional lights - SkLights::Builder builderTwoDir; - builderTwoDir.add(SkLights::Light::MakeDirectional(SkColor3f::Make(1.0f, 0.0f, 1.0f), - kLightFromUpperRight)); - builderTwoDir.add(SkLights::Light::MakeDirectional(SkColor3f::Make(0.0f, 1.0f, 1.0f), - kLightFromUpperLeft)); - builderTwoDir.setAmbientLightColor(SkColor3f::Make(0.2f, 0.2f, 0.2f)); - fLightsTwoDir = builderTwoDir.finish(); - - fRect = SkRect::MakeIWH(kTexSize, kTexSize); - SkMatrix matrix; - SkRect bitmapBounds = SkRect::MakeIWH(kTexSize, kTexSize); - matrix.setRectToRect(bitmapBounds, fRect, SkMatrix::kFill_ScaleToFit); - - SkBitmap opaqueDiffuseMap = sk_tool_utils::create_checkerboard_bitmap( - kTexSize, kTexSize, - sk_tool_utils::color_to_565(0x0), - sk_tool_utils::color_to_565(0xFF804020), - 8); - fOpaqueDiffuse = SkShader::MakeBitmapShader(opaqueDiffuseMap, SkShader::kClamp_TileMode, - SkShader::kClamp_TileMode, &matrix); - - SkBitmap translucentDiffuseMap = sk_tool_utils::create_checkerboard_bitmap( - kTexSize, kTexSize, - SkColorSetARGB(0x55, 0x00, 0x00, 0x00), - SkColorSetARGB(0x55, 0x80, 0x40, 0x20), - 8); - fTranslucentDiffuse = SkShader::MakeBitmapShader(translucentDiffuseMap, - SkShader::kClamp_TileMode, - SkShader::kClamp_TileMode, &matrix); - - SkBitmap normalMap = make_frustum_normalmap(kTexSize); - fNormalMapShader = SkShader::MakeBitmapShader(normalMap, SkShader::kClamp_TileMode, - SkShader::kClamp_TileMode, &matrix); - - } - - // Scales shape around origin, rotates shape around origin, then translates shape to origin - void positionCTM(SkCanvas *canvas, SkScalar scaleX, SkScalar scaleY, SkScalar rotate) const { - canvas->translate(kTexSize/2.0f, kTexSize/2.0f); - canvas->scale(scaleX, scaleY); - canvas->rotate(rotate); - canvas->translate(-kTexSize/2.0f, -kTexSize/2.0f); - } - - static constexpr int NUM_BOOLEAN_PARAMS = 4; - void drawRect(SkCanvas* canvas, SkScalar scaleX, SkScalar scaleY, - SkScalar rotate, bool useNormalSource, bool useDiffuseShader, - bool useTranslucentPaint, bool useTranslucentShader, sk_sp<SkLights> lights) { - canvas->save(); - - this->positionCTM(canvas, scaleX, scaleY, rotate); - - const SkMatrix& ctm = canvas->getTotalMatrix(); - - SkPaint paint; - sk_sp<SkNormalSource> normalSource = nullptr; - sk_sp<SkShader> diffuseShader = nullptr; - - if (useNormalSource) { - normalSource = SkNormalSource::MakeFromNormalMap(fNormalMapShader, ctm); - } - - if (useDiffuseShader) { - diffuseShader = (useTranslucentShader) ? fTranslucentDiffuse : fOpaqueDiffuse; - } else { - paint.setColor(0xFF00FF00); - } - - if (useTranslucentPaint) { - paint.setAlpha(0x99); - } - - paint.setShader(SkLightingShader::Make(std::move(diffuseShader), std::move(normalSource), - std::move(lights))); - canvas->drawRect(fRect, paint); - - canvas->restore(); - } - - void onDraw(SkCanvas* canvas) override { - - constexpr SkScalar LABEL_SIZE = 10.0f; - SkPaint labelPaint; - labelPaint.setTypeface(sk_tool_utils::create_portable_typeface("sans-serif",SkFontStyle())); - labelPaint.setAntiAlias(true); - labelPaint.setTextSize(LABEL_SIZE); - - constexpr int GRID_COLUMN_NUM = 4; - constexpr SkScalar GRID_CELL_WIDTH = kTexSize + 20.0f + NUM_BOOLEAN_PARAMS * LABEL_SIZE; - - int gridNum = 0; - - // Running through all possible bool parameter combinations - for (bool useNormalSource : {true, false}) { - for (bool useDiffuseShader : {true, false}) { - for (bool useTranslucentPaint : {true, false}) { - for (bool useTranslucentShader : {true, false}) { - - // Determining position - SkScalar xPos = (gridNum % GRID_COLUMN_NUM) * GRID_CELL_WIDTH; - SkScalar yPos = (gridNum / GRID_COLUMN_NUM) * GRID_CELL_WIDTH; - - canvas->save(); - - canvas->translate(xPos, yPos); - this->drawRect(canvas, 1.0f, 1.0f, 0.f, useNormalSource, useDiffuseShader, - useTranslucentPaint, useTranslucentShader, fLights); - // Drawing labels - canvas->translate(0.0f, SkIntToScalar(kTexSize)); - { - canvas->translate(0.0f, LABEL_SIZE); - SkString label; - label.appendf("useNormalSource: %d", useNormalSource); - canvas->drawString(label, 0.0f, 0.0f, labelPaint); - } - { - canvas->translate(0.0f, LABEL_SIZE); - SkString label; - label.appendf("useDiffuseShader: %d", useDiffuseShader); - canvas->drawString(label, 0.0f, 0.0f, labelPaint); - } - { - canvas->translate(0.0f, LABEL_SIZE); - SkString label; - label.appendf("useTranslucentPaint: %d", useTranslucentPaint); - canvas->drawString(label, 0.0f, 0.0f, labelPaint); - } - { - canvas->translate(0.0f, LABEL_SIZE); - SkString label; - label.appendf("useTranslucentShader: %d", useTranslucentShader); - canvas->drawString(label, 0.0f, 0.0f, labelPaint); - } - - canvas->restore(); - - gridNum++; - } - } - } - } - - - // Rotation/scale test - { - SkScalar xPos = (gridNum % GRID_COLUMN_NUM) * GRID_CELL_WIDTH; - SkScalar yPos = (gridNum / GRID_COLUMN_NUM) * GRID_CELL_WIDTH; - - canvas->save(); - canvas->translate(xPos, yPos); - this->drawRect(canvas, 0.6f, 0.6f, 45.0f, true, true, true, true, fLights); - canvas->restore(); - - gridNum++; - } - - // Anisotropic scale test - { - SkScalar xPos = (gridNum % GRID_COLUMN_NUM) * GRID_CELL_WIDTH; - SkScalar yPos = (gridNum / GRID_COLUMN_NUM) * GRID_CELL_WIDTH; - - canvas->save(); - canvas->translate(xPos, yPos); - this->drawRect(canvas, 0.6f, 0.4f, 30.0f, true, true, true, true, fLights); - canvas->restore(); - - gridNum++; - } - - // No directional lights test - { - SkScalar xPos = (gridNum % GRID_COLUMN_NUM) * GRID_CELL_WIDTH; - SkScalar yPos = (gridNum / GRID_COLUMN_NUM) * GRID_CELL_WIDTH; - - canvas->save(); - canvas->translate(xPos, yPos); - this->drawRect(canvas, 1.0f, 1.0f, 0.0f, true, true, false, false, fLightsNoDir); - canvas->restore(); - - gridNum++; - } - - // Two directional lights test - { - SkScalar xPos = (gridNum % GRID_COLUMN_NUM) * GRID_CELL_WIDTH; - SkScalar yPos = (gridNum / GRID_COLUMN_NUM) * GRID_CELL_WIDTH; - - canvas->save(); - canvas->translate(xPos, yPos); - this->drawRect(canvas, 1.0f, 1.0f, 0.0f, true, true, false, false, fLightsTwoDir); - canvas->restore(); - - gridNum++; - } - } - -private: - static constexpr int kTexSize = 96; - - sk_sp<SkShader> fOpaqueDiffuse; - sk_sp<SkShader> fTranslucentDiffuse; - sk_sp<SkShader> fNormalMapShader; - - SkRect fRect; - sk_sp<SkLights> fLights; - sk_sp<SkLights> fLightsNoDir; - sk_sp<SkLights> fLightsTwoDir; - - typedef GM INHERITED; -}; - -////////////////////////////////////////////////////////////////////////////// - -DEF_GM(return new LightingShader2GM;) -} |