/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "GlopBuilder.h"
#include "Caches.h"
#include "GlLayer.h"
#include "Glop.h"
#include "Layer.h"
#include "Matrix.h"
#include "Patch.h"
#include "PathCache.h"
#include "SkiaShader.h"
#include "Texture.h"
#include "VertexBuffer.h"
#include "renderstate/MeshState.h"
#include "renderstate/RenderState.h"
#include "utils/PaintUtils.h"
#include <GLES2/gl2.h>
#include <SkPaint.h>
#define DEBUG_GLOP_BUILDER 0
#if DEBUG_GLOP_BUILDER
#define TRIGGER_STAGE(stageFlag) \
LOG_ALWAYS_FATAL_IF((stageFlag)&mStageFlags, "Stage %d cannot be run twice", (stageFlag)); \
mStageFlags = static_cast<StageFlags>(mStageFlags | (stageFlag))
#define REQUIRE_STAGES(requiredFlags) \
LOG_ALWAYS_FATAL_IF((mStageFlags & (requiredFlags)) != (requiredFlags), \
"not prepared for current stage")
#else
#define TRIGGER_STAGE(stageFlag) ((void)0)
#define REQUIRE_STAGES(requiredFlags) ((void)0)
#endif
namespace android {
namespace uirenderer {
static void setUnitQuadTextureCoords(Rect uvs, TextureVertex* quadVertex) {
quadVertex[0] = {0, 0, uvs.left, uvs.top};
quadVertex[1] = {1, 0, uvs.right, uvs.top};
quadVertex[2] = {0, 1, uvs.left, uvs.bottom};
quadVertex[3] = {1, 1, uvs.right, uvs.bottom};
}
GlopBuilder::GlopBuilder(RenderState& renderState, Caches& caches, Glop* outGlop)
: mRenderState(renderState), mCaches(caches), mShader(nullptr), mOutGlop(outGlop) {
mStageFlags = kInitialStage;
}
////////////////////////////////////////////////////////////////////////////////
// Mesh
////////////////////////////////////////////////////////////////////////////////
GlopBuilder& GlopBuilder::setMeshTexturedIndexedVbo(GLuint vbo, GLsizei elementCount) {
TRIGGER_STAGE(kMeshStage);
mOutGlop->mesh.primitiveMode = GL_TRIANGLES;
mOutGlop->mesh.indices = {mRenderState.meshState().getQuadListIBO(), nullptr};
mOutGlop->mesh.vertices = {vbo, VertexAttribFlags::TextureCoord,
nullptr, (const void*)kMeshTextureOffset,
nullptr, kTextureVertexStride};
mOutGlop->mesh.elementCount = elementCount;
return *this;
}
GlopBuilder& GlopBuilder::setMeshUnitQuad() {
TRIGGER_STAGE(kMeshStage);
mOutGlop->mesh.primitiveMode = GL_TRIANGLE_STRIP;
mOutGlop->mesh.indices = {0, nullptr};
mOutGlop->mesh.vertices = {mRenderState.meshState().getUnitQuadVBO(),
VertexAttribFlags::None,
nullptr,
nullptr,
nullptr,
kTextureVertexStride};
mOutGlop->mesh.elementCount = 4;
return *this;
}
GlopBuilder& GlopBuilder::setMeshTexturedUnitQuad(const UvMapper* uvMapper) {
if (uvMapper) {
// can't use unit quad VBO, so build UV vertices manually
return setMeshTexturedUvQuad(uvMapper, Rect(1, 1));
}
TRIGGER_STAGE(kMeshStage);
mOutGlop->mesh.primitiveMode = GL_TRIANGLE_STRIP;
mOutGlop->mesh.indices = {0, nullptr};
mOutGlop->mesh.vertices = {mRenderState.meshState().getUnitQuadVBO(),
VertexAttribFlags::TextureCoord,
nullptr,
(const void*)kMeshTextureOffset,
nullptr,
kTextureVertexStride};
mOutGlop->mesh.elementCount = 4;
return *this;
}
GlopBuilder& GlopBuilder::setMeshTexturedUvQuad(const UvMapper* uvMapper, Rect uvs) {
TRIGGER_STAGE(kMeshStage);
if (CC_UNLIKELY(uvMapper)) {
uvMapper->map(uvs);
}
setUnitQuadTextureCoords(uvs, &mOutGlop->mesh.mappedVertices[0]);
const TextureVertex* textureVertex = mOutGlop->mesh.mappedVertices;
mOutGlop->mesh.primitiveMode = GL_TRIANGLE_STRIP;
mOutGlop->mesh.indices = {0, nullptr};
mOutGlop->mesh.vertices = {0,
VertexAttribFlags::TextureCoord,
&textureVertex[0].x,
&textureVertex[0].u,
nullptr,
kTextureVertexStride};
mOutGlop->mesh.elementCount = 4;
return *this;
}
GlopBuilder& GlopBuilder::setMeshIndexedQuads(Vertex* vertexData, int quadCount) {
TRIGGER_STAGE(kMeshStage);
mOutGlop->mesh.primitiveMode = GL_TRIANGLES;
mOutGlop->mesh.indices = {mRenderState.meshState().getQuadListIBO(), nullptr};
mOutGlop->mesh.vertices = {
0, VertexAttribFlags::None, vertexData, nullptr, nullptr, kVertexStride};
mOutGlop->mesh.elementCount = 6 * quadCount;
return *this;
}
GlopBuilder& GlopBuilder::setMeshTexturedIndexedQuads(TextureVertex* vertexData, int elementCount) {
TRIGGER_STAGE(kMeshStage);
mOutGlop->mesh.primitiveMode = GL_TRIANGLES;
mOutGlop->mesh.indices = {mRenderState.meshState().getQuadListIBO(), nullptr};
mOutGlop->mesh.vertices = {0,
VertexAttribFlags::TextureCoord,
&vertexData[0].x,
&vertexData[0].u,
nullptr,
kTextureVertexStride};
mOutGlop->mesh.elementCount = elementCount;
return *this;
}
GlopBuilder& GlopBuilder::setMeshColoredTexturedMesh(ColorTextureVertex* vertexData,
int elementCount) {
TRIGGER_STAGE(kMeshStage);
mOutGlop->mesh.primitiveMode = GL_TRIANGLES;
mOutGlop->mesh.indices = {0, nullptr};
mOutGlop->mesh.vertices = {0,
VertexAttribFlags::TextureCoord | VertexAttribFlags::Color,
&vertexData[0].x,
&vertexData[0].u,
&vertexData[0].r,
kColorTextureVertexStride};
mOutGlop->mesh.elementCount = elementCount;
return *this;
}
GlopBuilder& GlopBuilder::setMeshVertexBuffer(const VertexBuffer& vertexBuffer) {
TRIGGER_STAGE(kMeshStage);
const VertexBuffer::MeshFeatureFlags flags = vertexBuffer.getMeshFeatureFlags();
bool alphaVertex = flags & VertexBuffer::kAlpha;
bool indices = flags & VertexBuffer::kIndices;
mOutGlop->mesh.primitiveMode = GL_TRIANGLE_STRIP;
mOutGlop->mesh.indices = {0, vertexBuffer.getIndices()};
mOutGlop->mesh.vertices = {0,
alphaVertex ? VertexAttribFlags::Alpha : VertexAttribFlags::None,
vertexBuffer.getBuffer(),
nullptr,
nullptr,
alphaVertex ? kAlphaVertexStride : kVertexStride};
mOutGlop->mesh.elementCount =
indices ? vertexBuffer.getIndexCount() : vertexBuffer.getVertexCount();
mOutGlop->mesh.vertexCount = vertexBuffer.getVertexCount(); // used for glDrawRangeElements()
return *this;
}
GlopBuilder& GlopBuilder::setMeshPatchQuads(const Patch& patch) {
TRIGGER_STAGE(kMeshStage);
mOutGlop->mesh.primitiveMode = GL_TRIANGLES;
mOutGlop->mesh.indices = {mRenderState.meshState().getQuadListIBO(), nullptr};
mOutGlop->mesh.vertices = {mCaches.patchCache.getMeshBuffer(),
VertexAttribFlags::TextureCoord,
(void*)patch.positionOffset,
(void*)patch.textureOffset,
nullptr,
kTextureVertexStride};
mOutGlop->mesh.elementCount = patch.indexCount;
return *this;
}
////////////////////////////////////////////////////////////////////////////////
// Fill
////////////////////////////////////////////////////////////////////////////////
void GlopBuilder::setFill(int color, float alphaScale, SkBlendMode mode,
Blend::ModeOrderSwap modeUsage, const SkShader* shader,
const SkColorFilter* colorFilter) {
if (mode != SkBlendMode::kClear) {
if (!shader) {
FloatColor c;
c.set(color);
c.r *= alphaScale;
c.g *= alphaScale;
c.b *= alphaScale;
c.a *= alphaScale;
mOutGlop->fill.color = c;
} else {
float alpha = (SkColorGetA(color) / 255.0f) * alphaScale;
mOutGlop->fill.color = {1, 1, 1, alpha};
}
} else {
mOutGlop->fill.color = {0, 0, 0, 1};
}
mOutGlop->blend = {GL_ZERO, GL_ZERO};
if (mOutGlop->fill.color.a < 1.0f ||
(mOutGlop->mesh.vertices.attribFlags & VertexAttribFlags::Alpha) ||
(mOutGlop->fill.texture.texture && mOutGlop->fill.texture.texture->blend) ||
mOutGlop->roundRectClipState || PaintUtils::isBlendedShader(shader) ||
PaintUtils::isBlendedColorFilter(colorFilter) || mode != SkBlendMode::kSrcOver) {
if (CC_LIKELY(mode <= SkBlendMode::kScreen)) {
Blend::getFactors(mode, modeUsage, &mOutGlop->blend.src, &mOutGlop->blend.dst);
} else {
// These blend modes are not supported by OpenGL directly and have
// to be implemented using shaders. Since the shader will perform
// the blending, don't enable GL blending off here
// If the blend mode cannot be implemented using shaders, fall
// back to the default SrcOver blend mode instead
if (CC_UNLIKELY(mCaches.extensions().hasFramebufferFetch())) {
mDescription.framebufferMode = mode;
mDescription.swapSrcDst = (modeUsage == Blend::ModeOrderSwap::Swap);
// blending in shader, don't enable
} else {
// unsupported
Blend::getFactors(SkBlendMode::kSrcOver, modeUsage, &mOutGlop->blend.src,
&mOutGlop->blend.dst);
}
}
}
mShader = shader; // shader resolved in ::build()
if (colorFilter) {
SkColor color;
SkBlendMode bmode;
SkScalar srcColorMatrix[20];
if (colorFilter->asColorMode(&color, &bmode)) {
mOutGlop->fill.filterMode = mDescription.colorOp =
ProgramDescription::ColorFilterMode::Blend;
mDescription.colorMode = bmode;
mOutGlop->fill.filter.color.set(color);
} else if (colorFilter->asColorMatrix(srcColorMatrix)) {
mOutGlop->fill.filterMode = mDescription.colorOp =
ProgramDescription::ColorFilterMode::Matrix;
float* colorMatrix = mOutGlop->fill.filter.matrix.matrix;
memcpy(colorMatrix, srcColorMatrix, 4 * sizeof(float));
memcpy(&colorMatrix[4], &srcColorMatrix[5], 4 * sizeof(float));
memcpy(&colorMatrix[8], &srcColorMatrix[10], 4 * sizeof(float));
memcpy(&colorMatrix[12], &srcColorMatrix[15], 4 * sizeof(float));
// Skia uses the range [0..255] for the addition vector, but we need
// the [0..1] range to apply the vector in GLSL
float* colorVector = mOutGlop->fill.filter.matrix.vector;
colorVector[0] = EOCF(srcColorMatrix[4] / 255.0f);
colorVector[1] = EOCF(srcColorMatrix[9] / 255.0f);
colorVector[2] = EOCF(srcColorMatrix[14] / 255.0f);
colorVector[3] = srcColorMatrix[19] / 255.0f; // alpha is linear
} else {
ALOGE("unsupported ColorFilter type: %s", colorFilter->getTypeName());
LOG_ALWAYS_FATAL("unsupported ColorFilter");
}
} else {
mOutGlop->fill.filterMode = ProgramDescription::ColorFilterMode::None;
}
}
GlopBuilder& GlopBuilder::setFillTexturePaint(Texture& texture, const int textureFillFlags,
const SkPaint* paint, float alphaScale) {
TRIGGER_STAGE(kFillStage);
REQUIRE_STAGES(kMeshStage | kRoundRectClipStage);
GLenum filter = (textureFillFlags & TextureFillFlags::ForceFilter)
? GL_LINEAR
: PaintUtils::getFilter(paint);
mOutGlop->fill.texture = {&texture, filter, GL_CLAMP_TO_EDGE, nullptr};
if (paint) {
int color = paint->getColor();
SkShader* shader = paint->getShader();
if (!(textureFillFlags & TextureFillFlags::IsAlphaMaskTexture)) {
// Texture defines color, so disable shaders, and reset all non-alpha color channels
color |= 0x00FFFFFF;
shader = nullptr;
}
setFill(color, alphaScale, paint->getBlendMode(), Blend::ModeOrderSwap::NoSwap, shader,
paint->getColorFilter());
} else {
mOutGlop->fill.color = {alphaScale, alphaScale, alphaScale, alphaScale};
if (alphaScale < 1.0f || (mOutGlop->mesh.vertices.attribFlags & VertexAttribFlags::Alpha) ||
texture.blend || mOutGlop->roundRectClipState) {
Blend::getFactors(SkBlendMode::kSrcOver, Blend::ModeOrderSwap::NoSwap,
&mOutGlop->blend.src, &mOutGlop->blend.dst);
} else {
mOutGlop->blend = {GL_ZERO, GL_ZERO};
}
}
if (textureFillFlags & TextureFillFlags::IsAlphaMaskTexture) {
mDescription.modulate = mOutGlop->fill.color.isNotBlack();
mDescription.hasAlpha8Texture = true;
} else {
mDescription.modulate = mOutGlop->fill.color.a < 1.0f;
}
return *this;
}
GlopBuilder& GlopBuilder::setFillPaint(const SkPaint& paint, float alphaScale, bool shadowInterp) {
TRIGGER_STAGE(kFillStage);
REQUIRE_STAGES(kMeshStage | kRoundRectClipStage);
if (CC_LIKELY(!shadowInterp)) {
mOutGlop->fill.texture = {nullptr, GL_INVALID_ENUM, GL_INVALID_ENUM, nullptr};
} else {
mOutGlop->fill.texture = {mCaches.textureState().getShadowLutTexture(), GL_INVALID_ENUM,
GL_INVALID_ENUM, nullptr};
}
setFill(paint.getColor(), alphaScale, paint.getBlendMode(), Blend::ModeOrderSwap::NoSwap,
paint.getShader(), paint.getColorFilter());
mDescription.useShadowAlphaInterp = shadowInterp;
mDescription.modulate = mOutGlop->fill.color.a < 1.0f;
return *this;
}
GlopBuilder& GlopBuilder::setFillPathTexturePaint(PathTexture& texture, const SkPaint& paint,
float alphaScale) {
TRIGGER_STAGE(kFillStage);
REQUIRE_STAGES(kMeshStage | kRoundRectClipStage);
// specify invalid filter/clamp, since these are always static for PathTextures
mOutGlop->fill.texture = {&texture, GL_INVALID_ENUM, GL_INVALID_ENUM, nullptr};
setFill(paint.getColor(), alphaScale, paint.getBlendMode(), Blend::ModeOrderSwap::NoSwap,
paint.getShader(), paint.getColorFilter());
mDescription.hasAlpha8Texture = true;
mDescription.modulate = mOutGlop->fill.color.isNotBlack();
return *this;
}
GlopBuilder& GlopBuilder::setFillShadowTexturePaint(ShadowTexture& texture, int shadowColor,
const SkPaint& paint, float alphaScale) {
TRIGGER_STAGE(kFillStage);
REQUIRE_STAGES(kMeshStage | kRoundRectClipStage);
// specify invalid filter/clamp, since these are always static for ShadowTextures
mOutGlop->fill.texture = {&texture, GL_INVALID_ENUM, GL_INVALID_ENUM, nullptr};
const int ALPHA_BITMASK = SK_ColorBLACK;
const int COLOR_BITMASK = ~ALPHA_BITMASK;
if ((shadowColor & ALPHA_BITMASK) == ALPHA_BITMASK) {
// shadow color is fully opaque: override its alpha with that of paint
shadowColor &= paint.getColor() | COLOR_BITMASK;
}
setFill(shadowColor, alphaScale, paint.getBlendMode(), Blend::ModeOrderSwap::NoSwap,
paint.getShader(), paint.getColorFilter());
mDescription.hasAlpha8Texture = true;
mDescription.modulate = mOutGlop->fill.color.isNotBlack();
return *this;
}
GlopBuilder& GlopBuilder::setFillBlack() {
TRIGGER_STAGE(kFillStage);
REQUIRE_STAGES(kMeshStage | kRoundRectClipStage);
mOutGlop->fill.texture = {nullptr, GL_INVALID_ENUM, GL_INVALID_ENUM, nullptr};
setFill(SK_ColorBLACK, 1.0f, SkBlendMode::kSrcOver, Blend::ModeOrderSwap::NoSwap, nullptr,
nullptr);
return *this;
}
GlopBuilder& GlopBuilder::setFillClear() {
TRIGGER_STAGE(kFillStage);
REQUIRE_STAGES(kMeshStage | kRoundRectClipStage);
mOutGlop->fill.texture = {nullptr, GL_INVALID_ENUM, GL_INVALID_ENUM, nullptr};
setFill(SK_ColorBLACK, 1.0f, SkBlendMode::kClear, Blend::ModeOrderSwap::NoSwap, nullptr,
nullptr);
return *this;
}
GlopBuilder& GlopBuilder::setFillLayer(Texture& texture, const SkColorFilter* colorFilter,
float alpha, SkBlendMode mode,
Blend::ModeOrderSwap modeUsage) {
TRIGGER_STAGE(kFillStage);
REQUIRE_STAGES(kMeshStage | kRoundRectClipStage);
mOutGlop->fill.texture = {&texture, GL_LINEAR, GL_CLAMP_TO_EDGE, nullptr};
setFill(SK_ColorWHITE, alpha, mode, modeUsage, nullptr, colorFilter);
mDescription.modulate = mOutGlop->fill.color.a < 1.0f;
return *this;
}
GlopBuilder& GlopBuilder::setFillTextureLayer(GlLayer& layer, float alpha) {
TRIGGER_STAGE(kFillStage);
REQUIRE_STAGES(kMeshStage | kRoundRectClipStage);
mOutGlop->fill.texture = {&(layer.getTexture()), GL_LINEAR, GL_CLAMP_TO_EDGE,
&layer.getTexTransform()};
setFill(SK_ColorWHITE, alpha, layer.getMode(), Blend::ModeOrderSwap::NoSwap, nullptr,
layer.getColorFilter());
mDescription.modulate = mOutGlop->fill.color.a < 1.0f;
mDescription.hasTextureTransform = true;
return *this;
}
GlopBuilder& GlopBuilder::setFillExternalTexture(Texture& texture, Matrix4& textureTransform,
bool requiresFilter) {
TRIGGER_STAGE(kFillStage);
REQUIRE_STAGES(kMeshStage | kRoundRectClipStage);
GLenum filter = requiresFilter ? GL_LINEAR : GL_NEAREST;
mOutGlop->fill.texture = {&texture, filter, GL_CLAMP_TO_EDGE, &textureTransform};
setFill(SK_ColorWHITE, 1.0f, SkBlendMode::kSrc, Blend::ModeOrderSwap::NoSwap, nullptr, nullptr);
mDescription.modulate = mOutGlop->fill.color.a < 1.0f;
mDescription.hasTextureTransform = true;
return *this;
}
GlopBuilder& GlopBuilder::setGammaCorrection(bool enabled) {
REQUIRE_STAGES(kFillStage);
mDescription.hasGammaCorrection = enabled;
return *this;
}
////////////////////////////////////////////////////////////////////////////////
// Transform
////////////////////////////////////////////////////////////////////////////////
GlopBuilder& GlopBuilder::setTransform(const Matrix4& canvas, const int transformFlags) {
TRIGGER_STAGE(kTransformStage);
mOutGlop->transform.canvas = canvas;
mOutGlop->transform.transformFlags = transformFlags;
return *this;
}
////////////////////////////////////////////////////////////////////////////////
// ModelView
////////////////////////////////////////////////////////////////////////////////
GlopBuilder& GlopBuilder::setModelViewMapUnitToRect(const Rect destination) {
TRIGGER_STAGE(kModelViewStage);
mOutGlop->transform.modelView.loadTranslate(destination.left, destination.top, 0.0f);
mOutGlop->transform.modelView.scale(destination.getWidth(), destination.getHeight(), 1.0f);
return *this;
}
GlopBuilder& GlopBuilder::setModelViewMapUnitToRectSnap(const Rect destination) {
TRIGGER_STAGE(kModelViewStage);
REQUIRE_STAGES(kTransformStage | kFillStage);
float left = destination.left;
float top = destination.top;
const Matrix4& meshTransform = mOutGlop->transform.meshTransform();
if (CC_LIKELY(meshTransform.isPureTranslate())) {
// snap by adjusting the model view matrix
const float translateX = meshTransform.getTranslateX();
const float translateY = meshTransform.getTranslateY();
left = (int)floorf(left + translateX + 0.5f) - translateX;
top = (int)floorf(top + translateY + 0.5f) - translateY;
mOutGlop->fill.texture.filter = GL_NEAREST;
}
mOutGlop->transform.modelView.loadTranslate(left, top, 0.0f);
mOutGlop->transform.modelView.scale(destination.getWidth(), destination.getHeight(), 1.0f);
return *this;
}
GlopBuilder& GlopBuilder::setModelViewOffsetRect(float offsetX, float offsetY, const Rect source) {
TRIGGER_STAGE(kModelViewStage);
mOutGlop->transform.modelView.loadTranslate(offsetX, offsetY, 0.0f);
return *this;
}
GlopBuilder& GlopBuilder::setModelViewOffsetRectSnap(float offsetX, float offsetY,
const Rect source) {
TRIGGER_STAGE(kModelViewStage);
REQUIRE_STAGES(kTransformStage | kFillStage);
const Matrix4& meshTransform = mOutGlop->transform.meshTransform();
if (CC_LIKELY(meshTransform.isPureTranslate())) {
// snap by adjusting the model view matrix
const float translateX = meshTransform.getTranslateX();
const float translateY = meshTransform.getTranslateY();
offsetX = (int)floorf(offsetX + translateX + source.left + 0.5f) - translateX - source.left;
offsetY = (int)floorf(offsetY + translateY + source.top + 0.5f) - translateY - source.top;
mOutGlop->fill.texture.filter = GL_NEAREST;
}
mOutGlop->transform.modelView.loadTranslate(offsetX, offsetY, 0.0f);
return *this;
}
////////////////////////////////////////////////////////////////////////////////
// RoundRectClip
////////////////////////////////////////////////////////////////////////////////
GlopBuilder& GlopBuilder::setRoundRectClipState(const RoundRectClipState* roundRectClipState) {
TRIGGER_STAGE(kRoundRectClipStage);
mOutGlop->roundRectClipState = roundRectClipState;
mDescription.hasRoundRectClip = roundRectClipState != nullptr;
return *this;
}
////////////////////////////////////////////////////////////////////////////////
// Build
////////////////////////////////////////////////////////////////////////////////
void verify(const ProgramDescription& description, const Glop& glop) {
if (glop.fill.texture.texture != nullptr) {
LOG_ALWAYS_FATAL_IF(
((description.hasTexture && description.hasExternalTexture) ||
(!description.hasTexture && !description.hasExternalTexture &&
!description.useShadowAlphaInterp) ||
((glop.mesh.vertices.attribFlags & VertexAttribFlags::TextureCoord) == 0 &&
!description.useShadowAlphaInterp)),
"Texture %p, hT%d, hET %d, attribFlags %x", glop.fill.texture.texture,
description.hasTexture, description.hasExternalTexture,
glop.mesh.vertices.attribFlags);
} else {
LOG_ALWAYS_FATAL_IF(
(description.hasTexture || description.hasExternalTexture ||
((glop.mesh.vertices.attribFlags & VertexAttribFlags::TextureCoord) != 0)),
"No texture, hT%d, hET %d, attribFlags %x", description.hasTexture,
description.hasExternalTexture, glop.mesh.vertices.attribFlags);
}
if ((glop.mesh.vertices.attribFlags & VertexAttribFlags::Alpha) &&
glop.mesh.vertices.bufferObject) {
LOG_ALWAYS_FATAL("VBO and alpha attributes are not currently compatible");
}
if (description.hasTextureTransform != (glop.fill.texture.textureTransform != nullptr)) {
LOG_ALWAYS_FATAL("Texture transform incorrectly specified");
}
}
void GlopBuilder::build() {
REQUIRE_STAGES(kAllStages);
if (mOutGlop->mesh.vertices.attribFlags & VertexAttribFlags::TextureCoord) {
Texture* texture = mOutGlop->fill.texture.texture;
if (texture->target() == GL_TEXTURE_2D) {
mDescription.hasTexture = true;
} else {
mDescription.hasExternalTexture = true;
}
mDescription.hasLinearTexture = texture->isLinear();
mDescription.hasColorSpaceConversion = texture->hasColorSpaceConversion();
mDescription.transferFunction = texture->getTransferFunctionType();
mDescription.hasTranslucentConversion = texture->blend;
}
mDescription.hasColors = mOutGlop->mesh.vertices.attribFlags & VertexAttribFlags::Color;
mDescription.hasVertexAlpha = mOutGlop->mesh.vertices.attribFlags & VertexAttribFlags::Alpha;
// Enable debug highlight when what we're about to draw is tested against
// the stencil buffer and if stencil highlight debugging is on
mDescription.hasDebugHighlight =
!Properties::debugOverdraw &&
Properties::debugStencilClip == StencilClipDebug::ShowHighlight &&
mRenderState.stencil().isTestEnabled();
// serialize shader info into ShaderData
GLuint textureUnit = mOutGlop->fill.texture.texture ? 1 : 0;
if (CC_LIKELY(!mShader)) {
mOutGlop->fill.skiaShaderData.skiaShaderType = kNone_SkiaShaderType;
} else {
Matrix4 shaderMatrix;
if (mOutGlop->transform.transformFlags & TransformFlags::MeshIgnoresCanvasTransform) {
// canvas level transform was built into the modelView and geometry,
// so the shader matrix must reverse this
shaderMatrix.loadInverse(mOutGlop->transform.canvas);
shaderMatrix.multiply(mOutGlop->transform.modelView);
} else {
shaderMatrix = mOutGlop->transform.modelView;
}
SkiaShader::store(mCaches, *mShader, shaderMatrix, &textureUnit, &mDescription,
&(mOutGlop->fill.skiaShaderData));
}
// duplicates ProgramCache's definition of color uniform presence
const bool singleColor = !mDescription.hasTexture && !mDescription.hasExternalTexture &&
!mDescription.hasGradient && !mDescription.hasBitmap;
mOutGlop->fill.colorEnabled = mDescription.modulate || singleColor;
verify(mDescription, *mOutGlop);
// Final step: populate program and map bounds into render target space
mOutGlop->fill.program = mCaches.programCache.get(mDescription);
}
void GlopBuilder::dump(const Glop& glop) {
ALOGD("Glop Mesh");
const Glop::Mesh& mesh = glop.mesh;
ALOGD(" primitive mode: %d", mesh.primitiveMode);
ALOGD(" indices: buffer obj %x, indices %p", mesh.indices.bufferObject,
mesh.indices.indices);
const Glop::Mesh::Vertices& vertices = glop.mesh.vertices;
ALOGD(" vertices: buffer obj %x, flags %x, pos %p, tex %p, clr %p, stride %d",
vertices.bufferObject, vertices.attribFlags, vertices.position, vertices.texCoord,
vertices.color, vertices.stride);
ALOGD(" element count: %d", mesh.elementCount);
ALOGD("Glop Fill");
const Glop::Fill& fill = glop.fill;
ALOGD(" program %p", fill.program);
if (fill.texture.texture) {
ALOGD(" texture %p, target %d, filter %d, clamp %d", fill.texture.texture,
fill.texture.texture->target(), fill.texture.filter, fill.texture.clamp);
if (fill.texture.textureTransform) {
fill.texture.textureTransform->dump("texture transform");
}
}
ALOGD_IF(fill.colorEnabled, " color (argb) %.2f %.2f %.2f %.2f", fill.color.a, fill.color.r,
fill.color.g, fill.color.b);
ALOGD_IF(fill.filterMode != ProgramDescription::ColorFilterMode::None, " filterMode %d",
(int)fill.filterMode);
ALOGD_IF(fill.skiaShaderData.skiaShaderType, " shader type %d",
fill.skiaShaderData.skiaShaderType);
ALOGD("Glop transform");
glop.transform.modelView.dump(" model view");
glop.transform.canvas.dump(" canvas");
ALOGD_IF(glop.transform.transformFlags, " transformFlags 0x%x", glop.transform.transformFlags);
ALOGD_IF(glop.roundRectClipState, "Glop RRCS %p", glop.roundRectClipState);
ALOGD("Glop blend %d %d", glop.blend.src, glop.blend.dst);
}
} /* namespace uirenderer */
} /* namespace android */