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323 lines
11 KiB
323 lines
11 KiB
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include <cstdio>
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#include <cstdlib>
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#include <sstream>
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#include <string>
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#include "src/core/SkAutoPixmapStorage.h"
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#include "src/core/SkMipmap.h"
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#include "src/core/SkUtils.h"
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#include "tools/flags/CommandLineFlags.h"
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#include "tools/fiddle/fiddle_main.h"
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static DEFINE_double(duration, 1.0,
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"The total duration, in seconds, of the animation we are drawing.");
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static DEFINE_double(frame, 1.0,
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"A double value in [0, 1] that specifies the point in animation to draw.");
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#include "include/gpu/GrBackendSurface.h"
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#include "src/gpu/GrDirectContextPriv.h"
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#include "src/gpu/GrGpu.h"
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#include "src/gpu/GrRenderTarget.h"
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#include "tools/gpu/ManagedBackendTexture.h"
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#include "tools/gpu/gl/GLTestContext.h"
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// Globals externed in fiddle_main.h
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sk_sp<sk_gpu_test::ManagedBackendTexture> backEndTexture;
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sk_sp<sk_gpu_test::ManagedBackendTexture> backEndTextureRenderTarget;
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sk_sp<GrRenderTarget> backingRenderTarget; // not externed
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GrBackendRenderTarget backEndRenderTarget;
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SkBitmap source;
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sk_sp<SkImage> image;
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double duration; // The total duration of the animation in seconds.
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double frame; // A value in [0, 1] of where we are in the animation.
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// Global used by the local impl of SkDebugf.
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std::ostringstream gTextOutput;
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// Global to record the GL driver info via create_direct_context().
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std::ostringstream gGLDriverInfo;
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void SkDebugf(const char * fmt, ...) {
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va_list args;
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va_start(args, fmt);
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char formatbuffer[1024];
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int n = vsnprintf(formatbuffer, sizeof(formatbuffer), fmt, args);
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va_end(args);
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if (n>=0 && n<=int(sizeof(formatbuffer))) {
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gTextOutput.write(formatbuffer, n);
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}
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}
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static void encode_to_base64(const void* data, size_t size, FILE* out) {
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const uint8_t* input = reinterpret_cast<const uint8_t*>(data);
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const uint8_t* end = &input[size];
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static const char codes[] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"abcdefghijklmnopqrstuvwxyz0123456789+/";
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while (input != end) {
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uint8_t b = (*input & 0xFC) >> 2;
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fputc(codes[b], out);
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b = (*input & 0x03) << 4;
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++input;
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if (input == end) {
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fputc(codes[b], out);
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fputs("==", out);
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return;
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}
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b |= (*input & 0xF0) >> 4;
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fputc(codes[b], out);
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b = (*input & 0x0F) << 2;
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++input;
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if (input == end) {
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fputc(codes[b], out);
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fputc('=', out);
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return;
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}
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b |= (*input & 0xC0) >> 6;
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fputc(codes[b], out);
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b = *input & 0x3F;
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fputc(codes[b], out);
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++input;
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}
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}
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static void dump_output(const void* data, size_t size,
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const char* name, bool last = true) {
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printf("\t\"%s\": \"", name);
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encode_to_base64(data, size, stdout);
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fputs(last ? "\"\n" : "\",\n", stdout);
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}
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static void dump_output(const sk_sp<SkData>& data,
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const char* name, bool last = true) {
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if (data) {
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dump_output(data->data(), data->size(), name, last);
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}
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}
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static sk_sp<SkData> encode_snapshot(const sk_sp<SkSurface>& surface) {
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sk_sp<SkImage> img(surface->makeImageSnapshot());
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return img ? img->encodeToData() : nullptr;
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}
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static SkCanvas* prepare_canvas(SkCanvas * canvas) {
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canvas->clear(SK_ColorWHITE);
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return canvas;
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}
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#ifdef SK_GL
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static bool setup_backend_objects(GrDirectContext* dContext,
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const SkBitmap& bm,
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const DrawOptions& options) {
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if (!dContext) {
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fputs("Context is null.\n", stderr);
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return false;
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}
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// This config must match the SkColorType used in draw.cpp in the SkImage and Surface factories
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GrBackendFormat renderableFormat = dContext->defaultBackendFormat(kRGBA_8888_SkColorType,
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GrRenderable::kYes);
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if (!bm.empty()) {
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SkPixmap originalPixmap;
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SkPixmap* pixmap = &originalPixmap;
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if (!bm.peekPixels(&originalPixmap)) {
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fputs("Unable to peekPixels.\n", stderr);
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return false;
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}
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SkAutoPixmapStorage rgbaPixmap;
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if (kN32_SkColorType != kRGBA_8888_SkColorType) {
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if (!rgbaPixmap.tryAlloc(bm.info().makeColorType(kRGBA_8888_SkColorType))) {
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fputs("Unable to alloc rgbaPixmap.\n", stderr);
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return false;
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}
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if (!bm.readPixels(rgbaPixmap)) {
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fputs("Unable to read rgbaPixmap.\n", stderr);
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return false;
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}
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pixmap = &rgbaPixmap;
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}
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backEndTexture = sk_gpu_test::ManagedBackendTexture::MakeFromPixmap(dContext,
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*pixmap,
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options.fMipMapping,
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GrRenderable::kNo,
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GrProtected::kNo);
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if (!backEndTexture) {
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fputs("Failed to create backEndTexture.\n", stderr);
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return false;
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}
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}
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{
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auto resourceProvider = dContext->priv().resourceProvider();
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SkISize offscreenDims = {options.fOffScreenWidth, options.fOffScreenHeight};
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SkAutoTMalloc<uint32_t> data(offscreenDims.area());
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sk_memset32(data.get(), 0, offscreenDims.area());
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// This backend object should be renderable but not textureable. Given the limitations
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// of how we're creating it though it will wind up being secretly textureable.
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// We use this fact to initialize it with data but don't allow mipmaps
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GrMipLevel level0 = {data.get(), offscreenDims.width()*sizeof(uint32_t), nullptr};
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constexpr int kSampleCnt = 0;
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sk_sp<GrTexture> tmp = resourceProvider->createTexture(
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offscreenDims, renderableFormat, GrColorType::kRGBA_8888, GrRenderable::kYes,
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kSampleCnt, SkBudgeted::kNo, GrMipMapped::kNo, GrProtected::kNo, &level0);
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if (!tmp || !tmp->asRenderTarget()) {
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fputs("GrTexture is invalid.\n", stderr);
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return false;
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}
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backingRenderTarget = sk_ref_sp(tmp->asRenderTarget());
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backEndRenderTarget = backingRenderTarget->getBackendRenderTarget();
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if (!backEndRenderTarget.isValid()) {
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fputs("BackEndRenderTarget is invalid.\n", stderr);
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return false;
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}
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}
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{
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backEndTextureRenderTarget = sk_gpu_test::ManagedBackendTexture::MakeWithData(
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dContext,
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options.fOffScreenWidth,
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options.fOffScreenHeight,
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renderableFormat,
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SkColors::kTransparent,
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options.fOffScreenMipMapping,
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GrRenderable::kYes,
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GrProtected::kNo);
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if (!backEndTextureRenderTarget) {
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fputs("Failed to create backendTextureRenderTarget.\n", stderr);
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return false;
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}
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}
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return true;
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}
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#endif
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int main(int argc, char** argv) {
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CommandLineFlags::Parse(argc, argv);
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duration = FLAGS_duration;
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frame = FLAGS_frame;
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DrawOptions options = GetDrawOptions();
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// If textOnly then only do one type of image, otherwise the text
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// output is duplicated for each type.
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if (options.textOnly) {
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options.raster = true;
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options.gpu = false;
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options.pdf = false;
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options.skp = false;
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}
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if (options.source) {
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sk_sp<SkData> data(SkData::MakeFromFileName(options.source));
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if (!data) {
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perror(options.source);
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return 1;
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} else {
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image = SkImage::MakeFromEncoded(std::move(data));
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if (!image) {
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perror("Unable to decode the source image.");
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return 1;
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}
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SkAssertResult(image->asLegacyBitmap(&source));
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}
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}
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sk_sp<SkData> rasterData, gpuData, pdfData, skpData;
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SkColorType colorType = kN32_SkColorType;
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sk_sp<SkColorSpace> colorSpace = nullptr;
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if (options.f16) {
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SkASSERT(options.srgb);
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colorType = kRGBA_F16_SkColorType;
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colorSpace = SkColorSpace::MakeSRGBLinear();
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} else if (options.srgb) {
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colorSpace = SkColorSpace::MakeSRGB();
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}
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SkImageInfo info = SkImageInfo::Make(options.size.width(), options.size.height(), colorType,
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kPremul_SkAlphaType, colorSpace);
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if (options.raster) {
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auto rasterSurface = SkSurface::MakeRaster(info);
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srand(0);
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draw(prepare_canvas(rasterSurface->getCanvas()));
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rasterData = encode_snapshot(rasterSurface);
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}
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#ifdef SK_GL
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if (options.gpu) {
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std::unique_ptr<sk_gpu_test::GLTestContext> glContext;
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sk_sp<GrDirectContext> direct = create_direct_context(gGLDriverInfo, &glContext);
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if (!direct) {
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fputs("Unable to get GrContext.\n", stderr);
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} else {
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if (!setup_backend_objects(direct.get(), source, options)) {
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fputs("Unable to create backend objects.\n", stderr);
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exit(1);
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}
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auto surface = SkSurface::MakeRenderTarget(direct.get(), SkBudgeted::kNo, info);
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if (!surface) {
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fputs("Unable to get render surface.\n", stderr);
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exit(1);
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}
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srand(0);
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draw(prepare_canvas(surface->getCanvas()));
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gpuData = encode_snapshot(surface);
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}
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}
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#endif
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#ifdef SK_SUPPORT_PDF
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if (options.pdf) {
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SkDynamicMemoryWStream pdfStream;
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auto document = SkPDF::MakeDocument(&pdfStream);
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if (document) {
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srand(0);
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draw(prepare_canvas(document->beginPage(options.size.width(), options.size.height())));
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document->close();
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pdfData = pdfStream.detachAsData();
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}
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}
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#endif
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if (options.skp) {
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auto size = SkSize::Make(options.size);
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SkPictureRecorder recorder;
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srand(0);
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draw(prepare_canvas(recorder.beginRecording(size.width(), size.height())));
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auto picture = recorder.finishRecordingAsPicture();
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SkDynamicMemoryWStream skpStream;
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picture->serialize(&skpStream);
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skpData = skpStream.detachAsData();
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}
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printf("{\n");
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if (!options.textOnly) {
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dump_output(rasterData, "Raster", false);
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dump_output(gpuData, "Gpu", false);
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dump_output(pdfData, "Pdf", false);
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dump_output(skpData, "Skp", false);
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} else {
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std::string textoutput = gTextOutput.str();
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dump_output(textoutput.c_str(), textoutput.length(), "Text", false);
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}
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std::string glinfo = gGLDriverInfo.str();
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dump_output(glinfo.c_str(), glinfo.length(), "GLInfo", true);
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printf("}\n");
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return 0;
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}
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