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BLT-With-Graphics-Template
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highligher

main
Brett 2024-05-12 14:06:57 -04:00
parent a6853e6ff7
commit 922de9d242
10 changed files with 91 additions and 21 deletions
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2
CMakeLists.txt
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@ -1,6 +1,6 @@
cmake_minimum_required(VERSION 3.25)
set(BLT_GRAPHICS_VERSION 0.13.11)
set(BLT_GRAPHICS_VERSION 0.13.12)
set(BLT_GRAPHICS_TEST_VERSION 0.0.1)
project(BLT_WITH_GRAPHICS VERSION ${BLT_GRAPHICS_VERSION})

9
include/blt/gfx/renderer/batch_2d_renderer.h
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@ -213,10 +213,11 @@ namespace blt::gfx
explicit batch_renderer_2d(resource_manager& resources, matrix_state_manager& state): resources(resources), state(state)
{
engine = pp_engine_t::make_multi_pp(std::make_unique<pp_outline_target_t>(),
std::make_unique<pp_blur_step_inplace_t>(state, frame_buffer_t::attachment_t::COLOR1),
std::make_unique<pp_expansion_step_inplace_t>(frame_buffer_t::attachment_t::COLOR1,
vec4{4, 4, 4, 1}),
std::make_unique<pp_overlay_blur_step_t>(frame_buffer_t::attachment_t::COLOR1, 2, 2),
std::make_unique<pp_mouse_highlight_step_t>(frame_buffer_t::attachment_t::COLOR1),
//std::make_unique<pp_blur_step_inplace_t>(state, frame_buffer_t::attachment_t::COLOR1),
//std::make_unique<pp_multiplier_step_inplace_t>(frame_buffer_t::attachment_t::COLOR1,
// vec4{4, 4, 4, 1}),
//std::make_unique<pp_overlay_blur_step_t>(frame_buffer_t::attachment_t::COLOR1, 2, 2),
std::make_unique<pp_outline_step_t>(state)
);
}

25
include/blt/gfx/renderer/postprocess.h
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@ -165,7 +165,7 @@ namespace blt::gfx
void create() override;
void draw(frame_buffer_t& previous);
void draw(frame_buffer_t& previous) override;
private:
matrix_state_manager& manager;
@ -187,33 +187,43 @@ namespace blt::gfx
void create() override;
void draw(frame_buffer_t& previous);
void draw(frame_buffer_t& previous) override;
private:
i32 x_blur;
i32 y_blur;
};
class pp_expansion_step_inplace_t : public pp_in_place_t
class pp_multiplier_step_inplace_t : public pp_in_place_t
{
public:
pp_expansion_step_inplace_t(frame_buffer_t::attachment_t from, const vec4& multiplier = vec4{2, 2, 2, 2}):
pp_multiplier_step_inplace_t(frame_buffer_t::attachment_t from, const vec4& multiplier = vec4{2, 2, 2, 2}):
pp_in_place_t(from), multiplier(multiplier)
{}
pp_expansion_step_inplace_t(frame_buffer_t::attachment_t from, frame_buffer_t::attachment_t to,
pp_multiplier_step_inplace_t(frame_buffer_t::attachment_t from, frame_buffer_t::attachment_t to,
const vec4& multiplier = vec4{2, 2, 2, 2}):
pp_in_place_t(from, to), multiplier(multiplier)
{}
void create() override;
void draw(frame_buffer_t& previous);
void draw(frame_buffer_t& previous) override;
private:
vec4 multiplier;
};
class pp_mouse_highlight_step_t : public pp_in_place_t
{
public:
using pp_in_place_t::pp_in_place_t;
void create() override;
void draw(frame_buffer_t& previous) override;
};
class pp_engine_t
{
public:
@ -230,7 +240,8 @@ namespace blt::gfx
steps.emplace_back(std::move(step));
}
static std::unique_ptr<shader_t> createShader(std::string_view fragment, std::optional<std::reference_wrapper<template_engine_t>> engine = {});
static std::unique_ptr<shader_t> createShader(std::string_view fragment,
std::optional<std::reference_wrapper<template_engine_t>> engine = {});
static std::unique_ptr<pp_engine_t> make_basic_pp()
{

42
include/blt/gfx/renderer/shaders/pp_highlight.frag Normal file
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@ -0,0 +1,42 @@
#ifdef __cplusplus
#include <string>
const std::string shader_highlight_frag = R"("
#version 300 es
precision mediump float;
out vec4 FragColor;
in vec2 uv;
in vec2 pos;
uniform sampler2D tex;
uniform ivec4 size;
uniform vec4 mousePos;
void main() {
vec2 texelSize = 1.0 / vec2(float(size.x), float(size.y));
vec4 result = vec4(0.0, 0.0, 0.0, 0.0);
for (int x = -size.z; x <= size.z; ++x) {
for (int y = -size.w; y <= size.w; ++y) {
vec2 offset = (vec2(float(x), float(y)) * texelSize);
result += texture(tex, uv + offset);
}
}
float px = mousePos.x / float(size.x);
float py = mousePos.y / float(size.y);
float dx = (gl_FragCoord.x - mousePos.x) / float(size.x);
float dy = (gl_FragCoord.y - mousePos.y) / float(size.y);
float distx = sqrt(dx * dx);
float disty = sqrt(dy * dy);
vec4 n_color = result / vec4((float(size.z) * 2.0 + 1.0) * (float(size.w) * 2.0 + 1.0));
FragColor = vec4(distx, disty, 0.0, 1.0);
//FragColor = ;
}
")";
#endif

2
libraries/BLT

@ -1 +1 @@
Subproject commit f228cfbbe31538731a2ef1bd990d41c99562c4d3
Subproject commit 9c0fc819690a99cbf8cdf923f1aeda22ff57ae9b

2
libraries/imgui

@ -1 +1 @@
Subproject commit 231cbee0fc4f59dbe5b8b853a11b08dc84e57c65
Subproject commit a1b06823fe2d964a62fda99385499b218cf5cea5

2
libraries/openal-soft

@ -1 +1 @@
Subproject commit 111397c71a5f1c2c88e05da9c84edfdba2e472a4
Subproject commit 6675317107257c2cc16c947b359d557821d85bf2

4
src/blt/gfx/renderer/batch_2d_renderer.cpp
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@ -72,8 +72,8 @@ namespace blt::gfx
vertices_vbo.create();
indices_vbo.create();
vertices_vbo.allocate(sizeof(line_vertices), line_vertices);
indices_vbo.allocate(sizeof(square_indices), square_indices);
vertices_vbo.allocate(sizeof(line_vertices), line_vertices, GL_DYNAMIC_DRAW);
indices_vbo.allocate(sizeof(square_indices), square_indices, GL_DYNAMIC_DRAW);
line_vao = new vertex_array_t();
auto tb = line_vao->bindVBO(vertices_vbo, 0, 3, GL_FLOAT, 5 * sizeof(float), 0);

20
src/blt/gfx/renderer/postprocess.cpp
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@ -23,6 +23,7 @@
#include <blt/gfx/renderer/shaders/pp_gaussian_blur.frag>
#include <blt/gfx/renderer/shaders/pp_overlay_blur.frag>
#include <blt/gfx/renderer/shaders/pp_multiplier.frag>
#include <blt/gfx/renderer/shaders/pp_highlight.frag>
#include <blt/std/ranges.h>
#include <blt/math/log_util.h>
@ -275,13 +276,13 @@ namespace blt::gfx
shader->setVec4i("size", {static_cast<i32>(v.x()), static_cast<i32>(v.y()), x_blur, y_blur});
}
void pp_expansion_step_inplace_t::create()
void pp_multiplier_step_inplace_t::create()
{
pp_in_place_t::create();
shader = pp_engine_t::createShader(shader_multiplier_frag);
}
void pp_expansion_step_inplace_t::draw(frame_buffer_t& previous)
void pp_multiplier_step_inplace_t::draw(frame_buffer_t& previous)
{
pp_in_place_t::draw(previous);
shader->bind();
@ -301,4 +302,19 @@ namespace blt::gfx
auto v = vec2(getWindowWidth(), getWindowHeight());
shader->setVec4i("size", {static_cast<i32>(v.x()), static_cast<i32>(v.y()), x_blur, y_blur});
}
void pp_mouse_highlight_step_t::create()
{
pp_in_place_t::create();
shader = pp_engine_t::createShader(shader_highlight_frag);
}
void pp_mouse_highlight_step_t::draw(frame_buffer_t& previous)
{
pp_in_place_t::draw(previous);
shader->bind();
auto v = vec2(getWindowWidth(), getWindowHeight());
shader->setVec4("mousePos", blt::make_vec4(blt::vec2{getMouseX(), v.y() - getMouseY()}));
shader->setVec4i("size", {static_cast<i32>(v.x()), static_cast<i32>(v.y()), 2, 2});
}
}

2
src/blt/gfx/window.cpp
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@ -30,7 +30,7 @@ void error_callback(int error, const char* description)
void gl_error_callback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei, const GLchar* message, const void*)
{
// do not log performance concerns
if (type == GL_DEBUG_TYPE_PERFORMANCE || type == GL_DEBUG_TYPE_OTHER)
if (type == GL_DEBUG_TYPE_OTHER)
return;
if (type == GL_DEBUG_TYPE_ERROR)
{