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Extract dialog, VR, and canvas draw helpers

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This commit is contained in:
omigamedev
2026-06-16 11:40:00 +02:00
parent 18665bdffc
commit d2a841f348
9 changed files with 566 additions and 377 deletions
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132
src/legacy_canvas_draw_merge_services.h
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@@ -1,5 +1,7 @@
#pragma once
#include "legacy_canvas_stroke_composite_services.h"
#include "legacy_canvas_stroke_erase_services.h"
#include "shader.h"
#include <array>
@@ -130,6 +132,40 @@ struct LegacyCanvasDrawMergeLayerPathExecution {
std::function<void(int, float)> draw_frame;
};
struct LegacyCanvasDrawMergeLayerPathGlUniforms {
LegacyStrokeEraseUniforms temporary_erase;
LegacyStrokeCompositeUniforms temporary_paint;
LegacyCanvasDrawMergeTextureAlphaUniforms layer_texture;
LegacyCanvasDrawMergeLayerBlendUniforms blend;
bool use_nearest_sampler = false;
bool use_dual_texture = false;
};
struct LegacyCanvasDrawMergeLayerPathGlExecution {
std::function<void()> bind_blender_framebuffer;
std::function<void()> clear_blender_framebuffer;
std::function<void()> unbind_blender_framebuffer;
std::function<void(int)> bind_sampler;
std::function<void(int)> bind_nearest_sampler;
std::function<void(int)> bind_stencil_sampler;
std::function<void(int)> set_active_texture_unit;
std::function<void()> bind_temporary_texture;
std::function<void()> unbind_temporary_texture;
std::function<void()> bind_smask_texture;
std::function<void()> unbind_smask_texture;
std::function<void()> bind_temporary_dual_texture;
std::function<void()> unbind_temporary_dual_texture;
std::function<void()> bind_pattern_texture;
std::function<void()> draw_face;
std::function<void()> bind_blender_texture;
std::function<void()> unbind_blender_texture;
std::function<void()> bind_destination_texture;
std::function<void()> unbind_destination_texture;
std::function<void()> copy_destination_framebuffer;
std::function<void()> draw_debug_outline;
std::function<void(int, float)> draw_frame;
};
struct LegacyCanvasDrawLayerVisit {
size_t layer_index = 0;
int plane_index = 0;
@@ -679,6 +715,102 @@ inline void execute_legacy_canvas_draw_merge_layer_path(
execution.draw_debug_outline();
}
[[nodiscard]] inline LegacyCanvasDrawMergeLayerPathExecution make_legacy_canvas_draw_merge_layer_path_gl_execution(
const LegacyCanvasDrawMergeLayerPathGlUniforms& uniforms,
const LegacyCanvasDrawMergeLayerPathGlExecution& execution)
{
return {
.bind_blender_framebuffer = execution.bind_blender_framebuffer,
.clear_blender_framebuffer = execution.clear_blender_framebuffer,
.unbind_blender_framebuffer = execution.unbind_blender_framebuffer,
.prepare_temporary_erase = [uniforms, execution] {
execution.bind_sampler(0);
execution.bind_sampler(1);
execution.bind_sampler(2);
setup_legacy_stroke_erase_shader(uniforms.temporary_erase);
execution.set_active_texture_unit(1);
execution.bind_temporary_texture();
execution.set_active_texture_unit(2);
execution.bind_smask_texture();
},
.cleanup_temporary_erase = [execution] {
execution.set_active_texture_unit(2);
execution.unbind_smask_texture();
execution.set_active_texture_unit(1);
execution.unbind_temporary_texture();
},
.prepare_temporary_paint = [uniforms, execution] {
execution.bind_sampler(0);
execution.bind_sampler(1);
execution.bind_sampler(2);
execution.bind_sampler(3);
execution.bind_stencil_sampler(4);
setup_legacy_stroke_composite_shader(uniforms.temporary_paint);
execution.set_active_texture_unit(1);
execution.bind_temporary_texture();
execution.set_active_texture_unit(2);
execution.bind_smask_texture();
execution.set_active_texture_unit(3);
if (uniforms.use_dual_texture) {
execution.bind_temporary_dual_texture();
}
execution.set_active_texture_unit(4);
execution.bind_pattern_texture();
},
.cleanup_temporary_paint = [uniforms, execution] {
execution.set_active_texture_unit(3);
if (uniforms.use_dual_texture) {
execution.unbind_temporary_dual_texture();
}
execution.set_active_texture_unit(2);
execution.unbind_smask_texture();
execution.set_active_texture_unit(1);
execution.unbind_temporary_texture();
},
.prepare_layer_texture = [uniforms, execution] {
if (uniforms.use_nearest_sampler) {
execution.bind_nearest_sampler(0);
} else {
execution.bind_sampler(0);
}
setup_legacy_canvas_draw_merge_texture_alpha_shader(uniforms.layer_texture);
},
.cleanup_layer_texture = [] {
},
.draw_blend = [uniforms, execution] {
execute_legacy_canvas_draw_merge_layer_blend(
uniforms.blend,
{
.unbind_merge_framebuffer = execution.unbind_blender_framebuffer,
.bind_samplers = [execution] {
execution.bind_sampler(0);
execution.bind_sampler(2);
},
.bind_merge_texture = [execution] {
execution.set_active_texture_unit(0);
execution.bind_blender_texture();
},
.bind_destination_texture = [execution] {
execution.set_active_texture_unit(2);
execution.bind_destination_texture();
},
.copy_destination_framebuffer = execution.copy_destination_framebuffer,
.draw = execution.draw_face,
.unbind_destination_texture = [execution] {
execution.set_active_texture_unit(2);
execution.unbind_destination_texture();
},
.unbind_merge_texture = [execution] {
execution.set_active_texture_unit(0);
execution.unbind_blender_texture();
},
});
},
.draw_debug_outline = execution.draw_debug_outline,
.draw_frame = execution.draw_frame,
};
}
template <typename PlanOnionRange, typename ShouldDrawPlane, typename VisitLayerPlane, typename LogOnionRangeFailure>
inline void execute_legacy_canvas_draw_layer_traversal(
size_t layer_count,