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[Impeller] Start a more generic stroke tessellator for path #40690

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Mar 29, 2023
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[Impeller] Start a more generic stroke tessellator for path #40690

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f4be79d
More generic path tessellation for strokes
dnfield Mar 27, 2023
62bf162
merge
dnfield Mar 27, 2023
fd73fa6
revert unintended changes
dnfield Mar 27, 2023
268391d
more cleanup
dnfield Mar 27, 2023
718b20d
Make it actually build
dnfield Mar 28, 2023
6f73ae4
Merge remote-tracking branch 'upstream/main' into strokes
dnfield Mar 28, 2023
f423d3d
docs
dnfield Mar 28, 2023
57f8d7b
Fix compiler, fix include
dnfield Mar 28, 2023
3409db3
commented out code
dnfield Mar 28, 2023
db55415
Fix metal compilation again
dnfield Mar 28, 2023
a1495ea
++
dnfield Mar 28, 2023
b0bc6ec
Fixup
dnfield Mar 28, 2023
ff78580
Make iOS compile
dnfield Mar 28, 2023
aae71bf
I know the alphabet I promise
dnfield Mar 28, 2023
9b8310b
Vulkan language version so Malioc knows what to do
dnfield Mar 28, 2023
beaf878
Merge remote-tracking branch 'upstream/main' into strokes
dnfield Mar 28, 2023
9db6008
Update malioc.json
dnfield Mar 28, 2023
a96028e
revert malioc.json
dnfield Mar 28, 2023
9b19021
try again
dnfield Mar 28, 2023
141dd2d
rename
dnfield Mar 28, 2023
8e8abeb
Format
dnfield Mar 28, 2023
7b7b1e3
tidy
dnfield Mar 28, 2023
3740e18
merge
dnfield Mar 29, 2023
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8 changes: 8 additions & 0 deletions ci/licenses_golden/licenses_flutter
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Original file line number Diff line number Diff line change
Expand Up @@ -1502,6 +1502,8 @@ ORIGIN: ../../../flutter/impeller/renderer/compute_pipeline_builder.cc + ../../.
ORIGIN: ../../../flutter/impeller/renderer/compute_pipeline_builder.h + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/compute_pipeline_descriptor.cc + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/compute_pipeline_descriptor.h + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/compute_tessellator.cc + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/compute_tessellator.h + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/context.cc + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/context.h + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/device_buffer.cc + ../../../flutter/LICENSE
Expand All @@ -1514,6 +1516,7 @@ ORIGIN: ../../../flutter/impeller/renderer/gpu_tracer.cc + ../../../flutter/LICE
ORIGIN: ../../../flutter/impeller/renderer/gpu_tracer.h + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/host_buffer.cc + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/host_buffer.h + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/path_polyline.comp + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/pipeline.cc + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/pipeline.h + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/pipeline_builder.cc + ../../../flutter/LICENSE
Expand Down Expand Up @@ -1550,6 +1553,7 @@ ORIGIN: ../../../flutter/impeller/renderer/snapshot.cc + ../../../flutter/LICENS
ORIGIN: ../../../flutter/impeller/renderer/snapshot.h + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/surface.cc + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/surface.h + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/stroke.comp + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/texture.cc + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/texture.h + ../../../flutter/LICENSE
ORIGIN: ../../../flutter/impeller/renderer/texture_descriptor.cc + ../../../flutter/LICENSE
Expand Down Expand Up @@ -4065,6 +4069,8 @@ FILE: ../../../flutter/impeller/renderer/compute_pipeline_builder.cc
FILE: ../../../flutter/impeller/renderer/compute_pipeline_builder.h
FILE: ../../../flutter/impeller/renderer/compute_pipeline_descriptor.cc
FILE: ../../../flutter/impeller/renderer/compute_pipeline_descriptor.h
FILE: ../../../flutter/impeller/renderer/compute_tessellator.cc
FILE: ../../../flutter/impeller/renderer/compute_tessellator.h
FILE: ../../../flutter/impeller/renderer/context.cc
FILE: ../../../flutter/impeller/renderer/context.h
FILE: ../../../flutter/impeller/renderer/device_buffer.cc
Expand All @@ -4077,6 +4083,7 @@ FILE: ../../../flutter/impeller/renderer/gpu_tracer.cc
FILE: ../../../flutter/impeller/renderer/gpu_tracer.h
FILE: ../../../flutter/impeller/renderer/host_buffer.cc
FILE: ../../../flutter/impeller/renderer/host_buffer.h
FILE: ../../../flutter/impeller/renderer/path_polyline.comp
FILE: ../../../flutter/impeller/renderer/pipeline.cc
FILE: ../../../flutter/impeller/renderer/pipeline.h
FILE: ../../../flutter/impeller/renderer/pipeline_builder.cc
Expand Down Expand Up @@ -4111,6 +4118,7 @@ FILE: ../../../flutter/impeller/renderer/shader_types.cc
FILE: ../../../flutter/impeller/renderer/shader_types.h
FILE: ../../../flutter/impeller/renderer/snapshot.cc
FILE: ../../../flutter/impeller/renderer/snapshot.h
FILE: ../../../flutter/impeller/renderer/stroke.comp
FILE: ../../../flutter/impeller/renderer/surface.cc
FILE: ../../../flutter/impeller/renderer/surface.h
FILE: ../../../flutter/impeller/renderer/texture.cc
Expand Down
4 changes: 4 additions & 0 deletions impeller/BUILD.gn
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,10 @@ impeller_component("impeller_unittests") {
"typographer:typographer_unittests",
]
}

if (impeller_enable_compute) {
deps += [ "renderer:compute_tessellation_unittests" ]
}
}

if (impeller_supports_rendering) {
Expand Down
12 changes: 0 additions & 12 deletions impeller/entity/geometry.h
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Original file line number Diff line number Diff line change
Expand Up @@ -30,18 +30,6 @@ enum GeometryVertexType {
kUV,
};

enum class Cap {
kButt,
kRound,
kSquare,
};

enum class Join {
kMiter,
kRound,
kBevel,
};

class Geometry {
public:
Geometry();
Expand Down
6 changes: 2 additions & 4 deletions impeller/fixtures/BUILD.gn
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
import("//flutter/impeller/tools/impeller.gni")
import("//flutter/testing/testing.gni")

if (impeller_enable_vulkan || impeller_enable_metal) {
if (impeller_enable_compute) {
impeller_shaders("shader_subgroup_fixtures") {
enable_opengles = false
name = "subgroup_fixtures"
Expand All @@ -16,7 +16,6 @@ if (impeller_enable_vulkan || impeller_enable_metal) {
shaders = [
"cubic_to_quads.comp",
"quad_polyline.comp",
"stroke.comp",
]
}
}
Expand Down Expand Up @@ -103,7 +102,6 @@ test_fixtures("file_fixtures") {
"sa%m#ple.vert",
"stage1.comp",
"stage2.comp",
"stroke.comp",
"struct_def_bug.vert",
"table_mountain_nx.png",
"table_mountain_ny.png",
Expand Down Expand Up @@ -137,7 +135,7 @@ group("fixtures") {
":shader_fixtures",
]

if (impeller_enable_vulkan || impeller_enable_metal) {
if (impeller_enable_compute) {
public_deps += [ ":shader_subgroup_fixtures" ]
}
}
58 changes: 56 additions & 2 deletions impeller/fixtures/golden_heart.h → impeller/fixtures/golden_paths.h
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Original file line number Diff line number Diff line change
Expand Up @@ -315,7 +315,61 @@ std::vector<Point> golden_heart_vertices = {
{163.155, 22.7357}, {155.704, 20.5285}, {155.546, 21.5159},
{155.673, 20.5245}, {155.577, 21.5199}, {147.924, 19.7793},
{147.828, 20.7747}, {147.893, 19.7773}, {147.858, 20.7767},
{140.018, 19.5003}, {139.982, 20.4997}, {140, 20},
{140, 20}};
{140.018, 19.5003}, {139.982, 20.4997}, {140.018, 19.5003},
{139.982, 20.4997}};

std::vector<Point> golden_cubic_and_quad_points = {
{139.982, 19.5003}, {140.018, 20.4997}, {131.747, 19.8026},
{131.783, 20.802}, {131.715, 19.8048}, {131.815, 20.7998},
{123.622, 20.6102}, {123.721, 21.6053}, {123.59, 20.6145},
{123.753, 21.601}, {115.652, 21.9306}, {115.816, 22.9171},
{115.619, 21.9372}, {115.848, 22.9105}, {107.85, 23.7687},
{108.08, 24.742}, {107.817, 23.7777}, {108.113, 24.733},
{100.23, 26.1264}, {100.526, 27.0817}, {100.197, 26.1378},
{100.558, 27.0703}, {92.8037, 29.0025}, {93.165, 29.935},
{92.7736, 29.0154}, {93.1952, 29.9221}, {85.708, 32.3003},
{86.1296, 33.2071}, {85.68, 32.3144}, {86.1576, 33.193},
{78.8865, 36.008}, {79.3641, 36.8865}, {78.8588, 36.0242},
{79.3918, 36.8703}, {72.3485, 40.125}, {72.8815, 40.9711},
{72.3216, 40.1432}, {72.9084, 40.9529}, {66.1045, 44.6479},
{66.6913, 45.4577}, {66.0788, 44.6679}, {66.717, 45.4378},
{60.1632, 49.5711}, {60.8014, 50.341}, {60.139, 49.5924},
{60.8255, 50.3196}, {54.5317, 54.8864}, {55.2183, 55.6136},
{54.5094, 54.909}, {55.2406, 55.591}, {49.254, 60.5436},
{49.9853, 61.2257}, {49.2329, 60.5677}, {50.0063, 61.2016},
{44.3684, 66.5025}, {45.1418, 67.1364}, {44.3488, 66.5281},
{45.1614, 67.1108}, {39.8827, 72.7564}, {40.6954, 73.3391},
{39.8648, 72.7832}, {40.7133, 73.3123}, {35.8029, 79.297},
{36.6515, 79.8261}, {35.7869, 79.3246}, {36.6675, 79.7985},
{32.1328, 86.1144}, {33.0134, 86.5883}, {32.1188, 86.1424},
{33.0273, 86.5603}, {28.8739, 93.1973}, {29.7824, 93.6152},
{28.8613, 93.2272}, {29.795, 93.5853}, {26.0399, 100.583},
{26.9736, 100.941}, {26.0288, 100.615}, {26.9847, 100.908},
{23.7144, 108.15}, {24.6704, 108.444}, {23.7056, 108.183},
{24.6792, 108.411}, {21.9002, 115.886}, {22.8738, 116.115},
{21.8937, 115.919}, {22.8804, 116.082}, {20.5962, 123.779},
{21.5828, 123.942}, {20.592, 123.812}, {21.5871, 123.91},
{19.7985, 131.816}, {20.7936, 131.914}, {19.7964, 131.847},
{20.7957, 131.883}, {19.5003, 139.982}, {20.4997, 140.018},
{20.2883, 140.409}, {19.7117, 139.591}, {29.9421, 133.595},
{29.3655, 132.778}, {29.9544, 133.586}, {29.3532, 132.787},
{39.1905, 126.639}, {38.5894, 125.839}, {39.2039, 126.628},
{38.576, 125.85}, {47.9822, 119.545}, {47.3542, 118.767},
{47.9968, 119.533}, {47.3396, 118.779}, {56.2739, 112.316},
{55.6167, 111.562}, {56.2898, 112.302}, {55.6008, 111.577},
{64.0197, 104.952}, {63.3307, 104.228}, {64.0369, 104.935},
{63.3134, 104.245}, {71.1714, 97.4578}, {70.4479, 96.7675},
{71.1899, 97.4373}, {70.4294, 96.7879}, {77.6791, 89.8381},
{76.9187, 89.1887}, {77.6987, 89.8137}, {76.8991, 89.2131},
{83.4923, 82.1009}, {82.6928, 81.5003}, {83.5125, 82.0718},
{82.6725, 81.5293}, {88.5609, 74.2563}, {87.7209, 73.7138},
{88.5812, 74.2221}, {87.7007, 73.748}, {92.8369, 66.3173},
{91.9564, 65.8432}, {92.8562, 66.2772}, {91.9371, 65.8833},
{96.2756, 58.299}, {95.3564, 57.9051}, {96.2927, 58.253},
{95.3393, 57.951}, {98.8374, 50.2196}, {97.8841, 49.9176},
{98.8508, 50.1681}, {97.8708, 49.969}, {100.49, 42.0995},
{99.51, 41.9005}, {100.49, 42.0995}, {99.51, 41.9005},
};

} // namespace testing
} // namespace impeller
12 changes: 12 additions & 0 deletions impeller/geometry/path.h
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,18 @@

namespace impeller {

enum class Cap {
kButt,
kRound,
kSquare,
};

enum class Join {
kMiter,
kRound,
kBevel,
};

enum class FillType {
kNonZero, // The default winding order.
kOdd,
Expand Down
2 changes: 1 addition & 1 deletion impeller/playground/BUILD.gn
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Expand Up @@ -54,7 +54,7 @@ impeller_component("playground") {
"//third_party/imgui:imgui_glfw",
]

if (impeller_enable_vulkan || impeller_enable_metal) {
if (impeller_enable_compute) {
public_deps += [ "../fixtures:shader_subgroup_fixtures" ]
}

Expand Down
37 changes: 20 additions & 17 deletions impeller/playground/backend/metal/playground_impl_mtl.mm
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Expand Up @@ -25,6 +25,7 @@
#include "impeller/renderer/backend/metal/surface_mtl.h"
#include "impeller/renderer/backend/metal/texture_mtl.h"
#include "impeller/scene/shaders/mtl/scene_shaders.h"
#include "impeller/tessellator/mtl/tessellation_shaders.h"

namespace impeller {

Expand All @@ -34,23 +35,25 @@

static std::vector<std::shared_ptr<fml::Mapping>>
ShaderLibraryMappingsForPlayground() {
return {
std::make_shared<fml::NonOwnedMapping>(impeller_entity_shaders_data,
impeller_entity_shaders_length),
std::make_shared<fml::NonOwnedMapping>(impeller_modern_shaders_data,
impeller_modern_shaders_length),
std::make_shared<fml::NonOwnedMapping>(
impeller_framebuffer_blend_shaders_data,
impeller_framebuffer_blend_shaders_length),
std::make_shared<fml::NonOwnedMapping>(impeller_fixtures_shaders_data,
impeller_fixtures_shaders_length),
std::make_shared<fml::NonOwnedMapping>(
impeller_subgroup_fixtures_shaders_data,
impeller_subgroup_fixtures_shaders_length),
std::make_shared<fml::NonOwnedMapping>(impeller_imgui_shaders_data,
impeller_imgui_shaders_length),
std::make_shared<fml::NonOwnedMapping>(impeller_scene_shaders_data,
impeller_scene_shaders_length),
return {std::make_shared<fml::NonOwnedMapping>(
impeller_entity_shaders_data, impeller_entity_shaders_length),
std::make_shared<fml::NonOwnedMapping>(
impeller_modern_shaders_data, impeller_modern_shaders_length),
std::make_shared<fml::NonOwnedMapping>(
impeller_framebuffer_blend_shaders_data,
impeller_framebuffer_blend_shaders_length),
std::make_shared<fml::NonOwnedMapping>(
impeller_fixtures_shaders_data, impeller_fixtures_shaders_length),
std::make_shared<fml::NonOwnedMapping>(
impeller_subgroup_fixtures_shaders_data,
impeller_subgroup_fixtures_shaders_length),
std::make_shared<fml::NonOwnedMapping>(impeller_imgui_shaders_data,
impeller_imgui_shaders_length),
std::make_shared<fml::NonOwnedMapping>(impeller_scene_shaders_data,
impeller_scene_shaders_length),
std::make_shared<fml::NonOwnedMapping>(
impeller_tessellation_shaders_data,

@chinmaygarde chinmaygarde Mar 28, 2023

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Nit: Consider naming these something other than tessellation shaders since these don't setup tessellation pipeline stages in the rasterizer.

@dnfield dnfield Mar 28, 2023

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done

impeller_tessellation_shaders_length)

};
}
Expand Down
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