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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can
* be found in the LICENSE file.
*
*/
//
//
//
#include <glad/glad.h>
#include <GLFW/glfw3.h>
//
//
//
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include "svg/svg_doc.h"
#include "svg2skc/svg2skc.h"
#include "svg2skc/transform_stack.h"
//
//
//
#include <CL/opencl.h>
#include "interop.h"
//
//
//
void
skc_runtime_cl_12_debug(struct skc_context * const context);
//
//
//
//
//
//
static
void
is_render_complete(skc_surface_t surface,
skc_styling_t styling,
skc_composition_t composition,
bool * quit)
{
*quit = true;
}
//
//
//
int
main(int argc, char** argv)
{
//
//
//
if (argc <= 1)
{
fprintf(stderr,"-- missing filename\n");
return EXIT_FAILURE; // no filename
}
//
// load test file
//
// #include "test/lion.inl"
struct svg_doc * svg_doc = svg_doc_parse(argv[1],false);
fprintf(stderr,"p/r/l = %u / %u / %u\n",
svg_doc_path_count(svg_doc),
svg_doc_raster_count(svg_doc),
svg_doc_layer_count(svg_doc));
//
// fire up GL
//
GLFWwindow * window;
skc_interop_init(&window);
//
// get GL and device contexts
//
HGLRC hGLRC = wglGetCurrentContext();
HDC hDC = wglGetCurrentDC();
//
//
//
cl_context_properties context_properties[] =
{
CL_CONTEXT_PLATFORM, (cl_context_properties)-1,
CL_GL_CONTEXT_KHR, (cl_context_properties)hGLRC,
CL_WGL_HDC_KHR, (cl_context_properties)hDC,
0
};
//
// create context
//
skc_context_t context;
skc_err err = skc_context_create(&context,"Intel","Graphics",context_properties);
//
// associate
//
skc_interop_register(context);
//
// create path builder
//
skc_path_builder_t path_builder;
err = skc_path_builder_create(context,&path_builder);
//
// create raster builder
//
skc_raster_builder_t raster_builder;
err = skc_raster_builder_create(context,&raster_builder);
//
// create a composition
//
skc_composition_t composition;
err = skc_composition_create(context,&composition);
//
// create a styling instance
//
skc_styling_t styling;
err = skc_styling_create(context,
&styling,
svg_doc_layer_count(svg_doc),
1000,
2 * 1024 * 1024);
//
// create a surface
//
skc_surface_t surface;
err = skc_surface_create(context,&surface);
//
// create a transform stack
//
struct skc_transform_stack * ts = skc_transform_stack_create(32);
// prime the transform stack with subpixel scale
skc_transform_stack_push_scale(ts,32.0,32.0);
//
// rasterize, render and reclaim svg until escape
//
while (!glfwWindowShouldClose(window))
{
// save stack
uint32_t const ts_save = skc_transform_stack_save(ts);
// poll glfw
skc_interop_poll(window,ts);
// decode paths
skc_path_t * paths = svg_doc_paths_decode(svg_doc,path_builder);
// decode rasters
skc_raster_t * rasters = svg_doc_rasters_decode(svg_doc,ts,paths,raster_builder);
// restore the transform stack
skc_transform_stack_restore(ts,ts_save);
// decode layers -- places rasters
svg_doc_layers_decode(svg_doc,rasters,composition,styling,true/*is_srgb*/);
// seal the composition
skc_composition_seal(composition);
bool quit = false;
uint32_t const clip[] = { 0, 0, 65535, 65535 }; // tile clip is <= 9 bits (512)
// render the styled composition to the surface
skc_surface_render(surface,clip,styling,composition,
is_render_complete,&quit,
skc_interop_get_fb(window));
// release the paths
svg_doc_paths_release(svg_doc,paths,context);
// rasters have been released
svg_doc_rasters_release(svg_doc,rasters,context);
// spin until framebuffer is rendered
while (!quit) {
// fprintf(stderr,"WAITING ON: !quit\n");
skc_context_wait(context);
}
// blit and swap
skc_interop_blit(window);
// print out some useful debug info
skc_runtime_cl_12_debug(context);
// rewind the doc
svg_doc_rewind(svg_doc);
//
// I don't like this being here
//
float const rgba[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
uint32_t rect[4] = { 0 };
skc_interop_get_dim(rect+2);
skc_surface_clear(surface,rgba,rect,
skc_interop_get_fb(window));
// exit(EXIT_SUCCESS);
// reset styling
skc_styling_reset(styling);
// unseal the composition
skc_composition_unseal(composition,true);
}
//
// dispose of mundane resources
//
skc_transform_stack_release(ts);
//
// dispose of all SKC resources
//
err = skc_surface_release(surface);
err = skc_styling_release(styling);
err = skc_composition_release(composition);
err = skc_raster_builder_release(raster_builder);
err = skc_path_builder_release(path_builder);
err = skc_context_release(context);
//
// GLFW CLEANUP
//
glfwDestroyWindow(window);
glfwTerminate();
//
//
//
return EXIT_SUCCESS;
}
//
//
//
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