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72 commits

Author SHA1 Message Date
Sergii Liebodkin
53de5f2ff7 wg_engine: fix incorrect geomatry 
Fix computation of segments count for cubic curves.
Using screen coordinates of base points, instead of world coordinates
 2024-06-20 19:03:42 +09:00
Sergii Liebodkin
f97c16f94c wg_engine: skip shapes with zero opacity values 
Skip shapes rendering, if opacity is 0 and if fill color for shape and strokes also equal to 0
This behavior is used in sw renderer and fix visual artifacts in referenced animations.
Also this rule fix composition results in case of AlphaMask and InvAlphaMask methods
 2024-06-18 01:10:52 +09:00
Sergii Liebodkin
419fa93989 wg_engine: fix strokes failers and visual atrifacts 
Ignoring rezo-width strokes, single point strokes.
Fix visual artifacts in case of mitter joints.
 2024-06-17 11:42:51 +09:00
Sergii Liebodkin
9f08e4755c wg_engine: clear bbox mesh lists 
when cleaning the geometry of an object, it is also necessary to clean the bounding boxes and store them in the pool
 2024-06-13 10:46:36 +09:00
Sergii Liebodkin
a2ea964be1 wg_engine: fix color buffer corruption with wgpu-opengl wrapper (linux) 
In a case of usage stencil buffer only we need to turn off an color target writes. In other case color buffer fill be filled by unxepcted color if fragment shader did not return any value.
It happens in a case on OpenGL realization of webgpu, that used in linux

Befire:

After:
 2024-06-04 15:22:32 +09:00
Sergii Liebodkin
46041111d8 wg_engine: Text support 
[issues 1479: Text](#1479)

EvenOdd fill rule reorganized: using global bbox of whole path for fill
 2024-05-18 18:10:28 +09:00
Sergii Liebodkin
c778f451b1 wg_engine: update mesh generations and render mechanics 
[issues 1479: lottie](#1479)

- optimaze stroking algorithm by prevent vector normalizations
- using render meshes heaps to reduce webgpu instances re-creations
- using single instance of pilylines for standard operations such as trim and split
- "on-the-fly" strokes generations with dash pattern
- "on-the-fly" mesh objects generation in a process of path decoding
- merge strokes into single mesh by each shape
 2024-04-18 18:54:02 +09:00
Sergii Liebodkin
392f59db9d wg_engine: vertex, index and unifroms buffers, render objects caching 
[issues 1479: lottie](#1479)

Vertex, Index and uniform buffers now updates instead of recreate.
Implemented pools form mesh objects and render shapes data

it increase performance in 30-40% in massive animations scenes
 2024-04-05 11:40:57 +09:00
Sergii Liebodkin
7a9b23fe71 wg_engine: render buffers usage refactorings 
[issues 1479: strokes](#1479)

- update buffers via memory mapping
- refactoring of winding fill rule computation
 2024-03-28 10:49:29 +09:00
Sergii Liebodkin
c6601d1eee wg_engine: stroke first 
[issues 1479: strokes](#1479)

Introduced order setting

    auto star = tvg::Shape::gen();
    star->fill(80, 80, 80);
    star->moveTo(599, 34);
    star->lineTo(653, 143);
    star->lineTo(774, 160);
    star->lineTo(687, 244);
    star->lineTo(707, 365);
    star->lineTo(599, 309);
    star->lineTo(497, 365);
    star->lineTo(512, 245);
    star->lineTo(426, 161);
    star->lineTo(546, 143);
    star->close();
    star->strokeWidth(10);
    star->strokeJoin(tvg::StrokeJoin::Round);
    star->strokeFill(255, 255, 255);
    star->order(true); // stroke first
    if (canvas->push(std::move(star)) != tvg::Result::Success) return;
 2024-03-19 13:11:56 +09:00
Sergii Liebodkin
1a28f837a8 wg_engine: winding fill rule 
[issues 1479: FillRule](#1479)

Introduced fill rule winding
This rule makes sense only if path have some self intersections.
In all other cases shapes are filled by even-odd behavor.
 2024-03-16 15:11:42 +09:00
Sergii Liebodkin
21b1ef6f5f wg_engine: animation optimizations (part 1) 
[issues 1479: update](#1479)

gpu vertex buffer reallocations optimization
 2024-02-15 12:03:27 +09:00
Sergii Liebodkin
6b6947f679 wg_engine: introduced blending 
[issues 1479: blending](#1479)

Supported blend settings:

    Normal
    Add
    Screen
    Multiply
    Overlay
    Difference
    Exclusion
    SrcOver
    Darken
    Lighten
    ColorDodge
    ColorBurn
    HardLight
    SoftLight
 2024-01-30 11:49:20 +09:00
Jinny You
2c6c8d3b21
updated copyright date (#1866) 2023-12-28 10:43:25 +09:00
Sergii Liebodkin
8553044875 wg_engine: shape bbox based rendering (optimization) 
Before the current changes, all surfaces were painted using a full-screen overlay, no matter how large the object was rendered. This approach is redundant and required reorganization. At the moment, all objects are rendered using an overlay equal to the box of the object itself, which reduces the cost of filling the surface.
Also surfaces and images were divided into different entities, which reduces the pressure on memory.
Also geometry data for rendering and geometry data for calculations in system memory were logically separated.
 2023-12-23 13:37:56 +09:00
Hermet Park
9d06308207 wg_engine: apply tvg coding style. 2023-12-18 23:34:13 +09:00
Sergii Liebodkin
e2458570f8 wg_engine: pipelines and bind groups refactoring 
- shader and system types synchronized
- pipelens and bind groups description separated
- pipelines description simplified
 2023-12-18 22:45:13 +09:00
Sergii Liebodkin
25513b591a wg_engine: introduced images drawing support 
[issues 1479: pictures](https://github.com/thorvg/thorvg/issues/1479)

    auto picture = tvg::Picture::gen();
    picture->load("images/test.png");
    picture->translate(0, 0);
    picture->size(100, 100);
    picture->opacity(255);
    canvas->push(std::move(picture));
 2023-11-17 19:34:32 +09:00
Sergii Liebodkin
52eca9630c Added ability to draw solid strokes with dashes 
[issues 1479: Shape](https://github.com/thorvg/thorvg/issues/1479)

In order to build you need third party libraries. Before you start please read this: [LearnWebGPU](https://eliemichel.github.io/LearnWebGPU/getting-started/hello-webgpu.html)

Usage example:

    // init glfw
    glfwInit();

    // create a windowed mode window and its opengl context
    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
    GLFWwindow* window = glfwCreateWindow(800, 800, "WebGPU base app", nullptr, nullptr);

    // get window size
    int width{}, height{};
    glfwGetWindowSize(window, &width, &height);

    // init engine webgpu
    tvg::Initializer::init(tvg::CanvasEngine::Wg, 0);

    // create wg canvas
    auto canvasWg = tvg::WgCanvas::gen();
    canvas_wg->target(glfwGetWin32Window(window), width, height);

    //Test for Stroke Dash for Arc, Circle, Rect
    auto shape = tvg::Shape::gen();
    shape->appendArc(70, 600, 160, 10, 30, true);
    shape->appendCircle(70, 700, 20, 60);
    shape->appendRect(130, 710, 100, 40);
    shape->strokeFill(255, 0, 0);
    shape->strokeWidth(5);
    shape->strokeJoin(tvg::StrokeJoin::Round);
    shape->strokeCap(tvg::StrokeCap::Round);
    float dashPattern[2] = {20, 10};
    shape->strokeDash(dashPattern, 2);
    if (canvas_wg->push(std::move(shape)) != tvg::Result::Success) return;

    while (!glfwWindowShouldClose(window)) {
        // webgpu
        canvas_wg->draw();
        canvas_wg->sync();

        // pull events
        glfwPollEvents();
    }

    // terminate engine and window
    tvg::Initializer::term(tvg::CanvasEngine::Wg);
    glfwDestroyWindow(window);
    glfwTerminate();
 2023-11-06 20:35:26 +09:00
Sergii Liebodkin
a3adbef2c2 Added ability to draw solid strokes 
[issues 1479: Shape](https://github.com/thorvg/thorvg/issues/1479)

In order to build you need third party libraries. Before you start please read this: [LearnWebGPU](https://eliemichel.github.io/LearnWebGPU/getting-started/hello-webgpu.html)

Usage example:

    // init glfw
    glfwInit();

    // create a windowed mode window and its opengl context
    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
    GLFWwindow* window = glfwCreateWindow(800, 800, "WebGPU base app", nullptr, nullptr);

    // get window size
    int width{}, height{};
    glfwGetWindowSize(window, &width, &height);

    // init engine webgpu
    tvg::Initializer::init(tvg::CanvasEngine::Wg, 0);

    // create wg canvas
    auto canvasWg = tvg::WgCanvas::gen();
    canvas_wg->target(glfwGetWin32Window(window), width, height);

    //Test for Stroke Dash for Arc, Circle, Rect
    auto shape = tvg::Shape::gen();
    shape->appendArc(70, 600, 160, 10, 30, true);
    shape->appendCircle(70, 700, 20, 60);
    shape->appendRect(130, 710, 100, 40);
    shape->strokeFill(255, 0, 0);
    shape->strokeWidth(5);
    shape->strokeJoin(tvg::StrokeJoin::Round);
    shape->strokeCap(tvg::StrokeCap::Round);
    if (canvas_wg->push(std::move(shape)) != tvg::Result::Success) return;

    while (!glfwWindowShouldClose(window)) {
        // webgpu
        canvas_wg->draw();
        canvas_wg->sync();

        // pull events
        glfwPollEvents();
    }

    // terminate engine and window
    tvg::Initializer::term(tvg::CanvasEngine::Wg);
    glfwDestroyWindow(window);
    glfwTerminate();
 2023-11-06 20:35:26 +09:00
SergeyLebedkin
8200bc5fc3
wg_engine: Added a feature to draw multiple radial gradient filled shapes 2023-10-24 18:24:16 +09:00
Sergii Liebodkin
14b2508cd1 wg_engine: Added ability to draw multiple solid color filled shapes 
[issues 1479: Shape](https://github.com/thorvg/thorvg/issues/1479)

In order to build you need third party libraries. Before you start please read this: [LearnWebGPU](https://eliemichel.github.io/LearnWebGPU/getting-started/hello-webgpu.html)

Usage example:

    // init glfw
    glfwInit();

    // create a windowed mode window and its opengl context
    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
    GLFWwindow* window = glfwCreateWindow(800, 800, "WebGPU base app", nullptr, nullptr);

    // get window size
    int width{}, height{};
    glfwGetWindowSize(window, &width, &height);

    // init engine webgpu
    tvg::Initializer::init(tvg::CanvasEngine::Wg, 0);

    // create wg canvas
    auto canvasWg = tvg::WgCanvas::gen();
    canvas_wg->target(glfwGetWin32Window(window), width, height);

    // prepare a shape (Rectangle + Rectangle + Circle + Circle)
    auto shape1 = tvg::Shape::gen();
    shape1->appendRect(0, 0, 200, 200);                //x, y, w, h
    shape1->appendRect(100, 100, 300, 300, 100, 100);  //x, y, w, h, rx, ry
    shape1->appendCircle(400, 400, 100, 100);          //cx, cy, radiusW, radiusH
    shape1->appendCircle(400, 500, 170, 100);          //cx, cy, radiusW, radiusH
    shape1->fill(255, 255, 0);                         //r, g, b

    canvas_wg->push(std::move(shape1));

    while (!glfwWindowShouldClose(window)) {
        // webgpu
        canvas_wg->draw();
        canvas_wg->sync();

        // pull events
        glfwPollEvents();
    }

    // terminate engine and window
    tvg::Initializer::term(tvg::CanvasEngine::Wg);
    glfwDestroyWindow(window);
    glfwTerminate();
 2023-10-20 18:37:52 +09:00