negative_bloom

.github/workflows/cmake.yml

@@ -9,7 +9,7 @@ on:
 env:
   # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
   BUILD_TYPE: Debug
-  EM_VERSION: 2.0.24
+  EM_VERSION: 3.1.32
   EM_CACHE_FOLDER: 'emsdk-cache'
 
 jobs:

external/imgui/CMakeLists.txt

@@ -2,43 +2,31 @@ cmake_minimum_required(VERSION 3.9 FATAL_ERROR)
 
 project(imgui C CXX)
 
-set(CPP_FILES
+add_library(imgui
+	"imgui/imgui.h"
 	"imgui/imgui.cpp"
 	"imgui/imgui_draw.cpp"
 	"imgui/imgui_widgets.cpp"
 	"imgui/imgui_tables.cpp"
 	"imgui/imgui_demo.cpp"
 
-	"imgui/misc/cpp/imgui_stdlib.cpp"
-
-	"imgui_plot_var.cpp"
-
-	#"imgui_impl_sdl_gl3.cpp" # very old
-	#"imgui_impl_sdl.cpp" # old
-	#"imgui_impl_opengl3.cpp" # old
-	"imgui/backends/imgui_impl_sdl.cpp"
-	"imgui/backends/imgui_impl_opengl3.cpp"
-)
-
-set(HPP_FILES
-	"imgui/imgui.h"
 	"imgui/imstb_rectpack.h"
 	"imgui/imstb_textedit.h"
 	"imgui/imstb_truetype.h"
 
 	"imgui/misc/cpp/imgui_stdlib.h"
+	"imgui/misc/cpp/imgui_stdlib.cpp"
 
 	"imgui_plot_var.hpp"
+	"imgui_plot_var.cpp"
 
-	#"imgui_impl_sdl_gl3.h" # very old
+	# TODO: seperate backends into libs
-	#"imgui_impl_sdl.h" # old
+	"imgui/backends/imgui_impl_sdl2.h"
-	#"imgui_impl_opengl3.h" # old
+	"imgui/backends/imgui_impl_sdl2.cpp"
-	"imgui/backends/imgui_impl_sdl.h"
 	"imgui/backends/imgui_impl_opengl3.h"
+	"imgui/backends/imgui_impl_opengl3.cpp"
 )
 
-add_library(imgui ${CPP_FILES} ${HPP_FILES})
-
 target_compile_features(imgui PUBLIC cxx_std_11)
 
 if(MM_OPENGL_3_GLES)

external/stb/CMakeLists.txt

@@ -11,9 +11,8 @@ target_link_libraries(stb_image stb)
 add_library(stb_image_write "stb/stb_image_write.h" "stb_image_write.cpp")
 target_link_libraries(stb_image_write stb)
 
-# lel TODO: add back in when patent expires
+add_library(stb_perlin "stb/stb_perlin.h" "stb_perlin.cpp")
-#add_library(stb_perlin "stb/stb_perlin.h" "stb_perlin.cpp")
+target_link_libraries(stb_perlin stb)
-#target_link_libraries(stb_perlin stb)
 
 add_library(stb_rect_pack "stb/stb_rect_pack.h" "stb_rect_pack.cpp")
 target_link_libraries(stb_rect_pack stb)

external/tracy/CMakeLists.txt

@@ -10,6 +10,8 @@ if(NOT EMSCRIPTEN)
 		"${CMAKE_CURRENT_LIST_DIR}/tracy/public/TracyClient.cpp"
 	)
 
+	option(TRACY_ENABLE "Enable tracy profiling" OFF)
+
 	if(TRACY_ENABLE)
 		target_compile_definitions(tracy_client PUBLIC TRACY_ENABLE)
 		#target_compile_definitions(tracy_client PUBLIC TRACY_NO_SYSTEM_TRACING)

framework/engine/src/mm/services/net_channeled_interface.hpp

@@ -50,11 +50,11 @@ namespace MM::Services {
 		public: // send/recv
 
 			// sends a packet of max getMaxPacketSize() bytes
-			virtual bool sendPacket(peer_id peer, channel_id channel, uint8_t* data, size_t data_size) = 0;
+			virtual bool sendPacket(peer_id peer, channel_id channel, const uint8_t* data, size_t data_size) = 0;
 
 			// sends a packet, automatically split if too big
 			// !! only on lossless channels
-			virtual bool sendPacketLarge(peer_id peer, channel_id channel, uint8_t* data, size_t data_size) = 0;
+			virtual bool sendPacketLarge(peer_id peer, channel_id channel, const uint8_t* data, size_t data_size) = 0;
 
 			// TODO: broadcast?
 			// has any?

framework/imgui/src/mm/services/imgui_s.cpp

@@ -1,7 +1,7 @@
 #include "./imgui_s.hpp"
 
 #include <imgui/imgui.h>
-#include <imgui/backends/imgui_impl_sdl.h>
+#include <imgui/backends/imgui_impl_sdl2.h>
 
 #ifdef MM_OPENGL_3
 #include <imgui/backends/imgui_impl_opengl3.h>

framework/opengl_primitives/src/mm/opengl/texture.cpp

@@ -97,6 +97,7 @@ Texture::handle_t Texture::createEmptyMultiSampled(int32_t internalFormat, int32
 	(void)height;
 	(void)samples;
 	assert(false && "GLES has no multisampling support");
+	return nullptr;
 #endif
 }
 

framework/opengl_renderer/src/mm/opengl/bloom.cpp

@@ -29,14 +29,20 @@ void setup_bloom(
 	const auto bloom_internal_format = GL_RGB565; // prolly fine. NOPE its not. it causes green pixely halos
 	const auto bloom_format_type = GL_UNSIGNED_BYTE;
 	#else
-	//const auto bloom_internal_format = GL_RGBA16F;
+	const auto bloom_format_type = GL_RGBA;
-	const auto bloom_internal_format = GL_R11F_G11F_B10F;
+	const auto bloom_internal_format = GL_RGBA16F;
-	const auto bloom_format_type = GL_FLOAT;
+	//const auto bloom_internal_format = GL_R11F_G11F_B10F;
+	const auto bloom_data_type = GL_FLOAT;
+
+	//const auto bloom_format_type = GL_RGBA_INTEGER;
+	//const auto bloom_internal_format = GL_RGBA16I;
+	//const auto bloom_data_type = GL_SHORT;
 	#endif
 #else
-	//const auto bloom_internal_format = GL_RGB16F;
+	const auto bloom_format_type = GL_RGB;
-	const auto bloom_internal_format = GL_R11F_G11F_B10F;
+	const auto bloom_internal_format = GL_RGB16F; // opengl silently upgrades to RGBA
-	const auto bloom_format_type = GL_FLOAT;
+	//const auto bloom_internal_format = GL_R11F_G11F_B10F; // no sign
+	const auto bloom_data_type = GL_FLOAT;
 #endif
 
 	{ // bloom in (bloom extraction)
@@ -44,7 +50,7 @@ void setup_bloom(
 			"bloom_in",
 			bloom_internal_format,
 			w * bloom_in_scale, h * bloom_in_scale,
-			GL_RGB, bloom_format_type
+			bloom_format_type, bloom_data_type
 		);
 		{ // filter
 			rm_t.get("bloom_in"_hs)->bind(0);
@@ -72,7 +78,7 @@ void setup_bloom(
 			tex_out_id,
 			bloom_internal_format,
 			w * bloom_in_scale * glm::pow(bloom_phase_scale, i), h * bloom_in_scale * glm::pow(bloom_phase_scale, i),
-			GL_RGB, bloom_format_type
+			bloom_format_type, bloom_data_type
 		);
 		{ // filter
 			rm_t.get(tex_out_id)->bind(0);
@@ -89,7 +95,7 @@ void setup_bloom(
 			tex_tmp_id,
 			bloom_internal_format,
 			w * bloom_in_scale * glm::pow(bloom_phase_scale, i), h * bloom_in_scale * glm::pow(bloom_phase_scale, i),
-			GL_RGB, bloom_format_type
+			bloom_format_type, bloom_data_type
 		);
 		{ // filter
 			rm_t.get(tex_tmp_id)->bind(0);

framework/opengl_renderer/src/mm/opengl/render_tasks/bloom_extraction.cpp

@@ -106,7 +106,15 @@ void main() {
 	vec3 color = texture(color_tex, _uv).rgb;
 
 	// TODO: expose threshold
-	_out_color = max(vec3(0.0), color - vec3(1.0));
+	//_out_color = max(vec3(0.0), color - vec3(1.0));
+
+	//_out_color = mix(
+		//color, // < 0.0
+		//max(vec3(0.0), color - vec3(1.0)), // > 0.0
+		//step(vec3(0.0), color)
+	//);
+
+	_out_color = max(min(color, vec3(0.0)), color - vec3(1.0));
 })")
 }
 

framework/opengl_renderer/src/mm/opengl/render_tasks/composition.cpp

@@ -141,7 +141,7 @@ void main() {
 	vec3 color = texture(color_tex, _uv).rgb;
 	vec3 bloom = texture(bloom_tex, _uv).rgb;
 
-	vec3 comp = color + bloom * vec3(bloom_factor);
+	vec3 comp = max(vec3(0.0), color + bloom * vec3(bloom_factor));
 
 #if 0
 	const vec3 tint = vec3(1.5, 0.8, 1.1);

framework/opengl_renderer/test/hdr_bloom_pipeline_example.cpp

@@ -129,8 +129,9 @@ static void setup_fbos(MM::Engine& engine) {
 	assert(rs.targets["game_view"]);
 }
 
+static MM::Engine engine;
+
 TEST(hdr_bloom_pipeline, it) {
-	MM::Engine engine;
 
 	auto& sdl_ss = engine.addService<MM::Services::SDLService>();
 	ASSERT_TRUE(engine.enableService<MM::Services::SDLService>());
@@ -228,7 +229,7 @@ TEST(hdr_bloom_pipeline, it) {
 		col.color = {3.f, 3.f, 3.f, 1.f};
 	}
 
-	for (int i = 0; i < 10; i++) {
+	for (int i = 0; i < 5; i++) {
 		auto e = scene.create();
 		auto& p = scene.emplace<MM::Components::Position2D>(e);
 		p.pos.x = i * 9.f - 40;
@@ -247,7 +248,43 @@ TEST(hdr_bloom_pipeline, it) {
 		col.color = {rng.zeroToOne()*2.f, rng.zeroToOne()*2.f, rng.zeroToOne()*2.f, 1.f};
 	}
 
+	for (int i = 5; i < 10; i++) {
+		auto e = scene.create();
+		auto& p = scene.emplace<MM::Components::Position2D>(e);
+		p.pos.x = i * 9.f - 40;
+
+		// zoffset is created by event
+
+		auto& s = scene.emplace<MM::Components::Scale2D>(e);
+		s.scale = {5,5};
+
+		scene.emplace<MM::Components::Rotation2D>(e);
+
+		auto& v = scene.emplace<MM::Components::Velocity2DRotation>(e);
+		v.rot_vel = i * 0.3f;
+
+		auto& col = scene.emplace<MM::Components::Color>(e);
+		col.color = {rng.zeroToOne()*-2.f, rng.zeroToOne()*-2.f, rng.zeroToOne()*-2.f, 1.f};
+	}
+
+	{ // white background for negatives
+		auto e = scene.create();
+		auto& p = scene.emplace<MM::Components::Position2D>(e);
+		p.pos.y = 30.f;
+		p.pos.x = 25.f;
+
+		auto& s = scene.emplace<MM::Components::Scale2D>(e);
+		s.scale = {50,150};
+
+		auto& col = scene.emplace<MM::Components::Color>(e);
+		col.color = {1.f, 1.f, 1.f, 1.f};
+	}
+
 	engine.run();
+
+#ifndef __EMSCRIPTEN__
+	engine.cleanup();
+#endif
 }
 
 int main(int argc, char** argv) {

framework/random/src/mm/random/srng.hpp

@@ -7,7 +7,7 @@ namespace MM::Random {
 
 // Seeded (Pseudo-) Random Number Generator
 struct SRNG {
-	// make shuffle compat 
+	// make shuffle compat
 	// TODO: add more type info
 	using result_type = uint32_t;
 
@@ -35,7 +35,7 @@ struct SRNG {
 	}
 
 	bool roll(float prob) {
-		return zeroToOne() <= prob;
+		return zeroToOne() <= prob; // TODO: just < ?
 	}
 
 	// more advanced

framework/s6zer/src/mm/s6zer/stream.hpp

@@ -194,10 +194,6 @@ struct StreamWriter {
 	}
 
 	[[nodiscard]] size_t bytesWritten(void) noexcept {
-		// TODO: is this assert valid?
-		assert(_scratch_bits == 0);
-
-		//return _bits_written/8 + ((_bits_written % 8) ? 1 : 0);
 		return (_bits_written+7) / 8;
 	}
 

framework/s6zer/test/test.cpp

@@ -391,7 +391,7 @@ struct TestStruct {
 	double		f64 {0.};
 
 	// float compressed [0; 1] range
-	constexpr static float c0_f32_resolution = 0.001;
+	constexpr static float c0_f32_resolution = 0.001f;
 	constexpr static MM::ScalarRange2<float> c0_f32_r{0.f, 1.f};
 	float		c0_f32_0 {0.f};
 	float		c0_f32_1 {0.f};
@@ -399,7 +399,7 @@ struct TestStruct {
 	float		c0_f32_3 {0.f};
 
 	// float compressed [-1; 1] range
-	constexpr static float c1_f32_resolution = 0.05;
+	constexpr static float c1_f32_resolution = 0.05f;
 	constexpr static MM::ScalarRange2<float> c1_f32_r{-1.f, 1.f};
 	float		c1_f32_0 {0.f};
 	float		c1_f32_1 {0.f};
@@ -407,7 +407,7 @@ struct TestStruct {
 	float		c1_f32_3 {0.f};
 
 	// float compressed [-1000; 1000] range
-	constexpr static float c2_f32_resolution = 0.01;
+	constexpr static float c2_f32_resolution = 0.01f;
 	constexpr static MM::ScalarRange2<float> c2_f32_r{-1000.f, 1000.f};
 	float		c2_f32_0 {0.f};
 	float		c2_f32_1 {0.f};

framework/sdl_service/src/mm/services/sdl_service.cpp

@@ -31,9 +31,10 @@ namespace MM::Services {
 SDLService::SDLService(uint32_t _sdl_init_flags) {
 	MM::Logger::initSectionLogger("SDLService");
 
-//#ifdef __EMSCRIPTEN__
+#ifdef __EMSCRIPTEN__
-	//_sdl_init_flags &= ~SDL_INIT_HAPTIC;
+	_sdl_init_flags &= ~SDL_INIT_HAPTIC;
-//#endif
+#endif
+
 #if 1 // hack for mingw + wine
 	_sdl_init_flags &= ~SDL_INIT_SENSOR;
 #endif

framework/std_utils/src/mm/scalar_range2.hpp

@@ -60,6 +60,16 @@ struct ScalarRange2 {
 	[[nodiscard]] constexpr bool inRange(T&& value) const {
 		return value >= min() && value <= max();
 	}
+
+	// lerp between min and max
+	[[nodiscard]] constexpr T map(const float a) const {
+		return min() * (1.f-a) + max() * a;
+	}
+
+	// reverse map
+	[[nodiscard]] constexpr float unmap(const T& v) const {
+		return (v - min()) / static_cast<float>(max() - min());
+	}
 };
 
 } // MM