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-rw-r--r--src/libjin/Graphics/Shader/je_base.shader.h88
-rw-r--r--src/libjin/Graphics/Shader/je_default.shader.h21
-rw-r--r--src/libjin/Graphics/Shader/je_font.shader.h21
-rw-r--r--src/libjin/Graphics/Shader/je_jsl_compiler.cpp54
-rw-r--r--src/libjin/Graphics/Shader/je_jsl_compiler.h42
-rw-r--r--src/libjin/Graphics/Shader/je_shader.cpp278
-rw-r--r--src/libjin/Graphics/Shader/je_shader.h200
-rw-r--r--src/libjin/Graphics/Shader/je_texture.shader.h21
8 files changed, 0 insertions, 725 deletions
diff --git a/src/libjin/Graphics/Shader/je_base.shader.h b/src/libjin/Graphics/Shader/je_base.shader.h
deleted file mode 100644
index d6f9d7b..0000000
--- a/src/libjin/Graphics/Shader/je_base.shader.h
+++ /dev/null
@@ -1,88 +0,0 @@
-#ifndef __JE_BASE_SHADER_H
-#define __JE_BASE_SHADER_H
-
-static const char* base_shared = R"(
-#define Number float
-#define Texture sampler2D
-#define Canvas sampler2D
-#define Color vec4
-#define Vec2 vec2
-#define Vec3 vec3
-#define Vec4 vec4
-
-#define texel texture2D
-
-struct Vertex
-{
- vec2 xy;
- vec2 uv;
-};
-
-)";
-
-static const int BASE_SHARED_SIZE = strlen(base_shared);
-
-static const char* base_vertex = R"(
-#version 130 core
-
-%s
-
-uniform mat4 jin_ProjectionMatrix;
-uniform mat4 jin_ModelMatrix;
-
-in vec2 jin_VertexCoords;
-in vec2 jin_TextureCoords;
-
-out vec4 jin_Color;
-out vec2 jin_XY;
-out vec2 jin_UV;
-
-%s
-
-void main()
-{
- vec4 v = jin_ModelMatrix * vec4(jin_VertexCoords, 0, 1.0);
- Vertex _v = vert(Vertex(v.xy, jin_TextureCoords));
- gl_Position = jin_ProjectionMatrix * vec4(_v.xy, 0, 1.0f);
- jin_Color = gl_Color;
- jin_XY = _v.xy;
- jin_UV = _v.uv;
-}
-)";
-
-static const int BASE_VERTEX_SHADER_SIZE = strlen(base_vertex) + BASE_SHARED_SIZE;
-
-#define formatVertexShader(buf, program) sprintf(buf,base_vertex, base_shared, program)
-
-static const char* base_fragment = R"(
-#version 130 core
-
-%s
-
-uniform Texture jin_MainTexture;
-
-in vec4 jin_Color;
-in vec2 jin_XY;
-in vec2 jin_UV;
-
-out vec4 jin_OutColor;
-
-%s
-
-void main()
-{
- jin_OutColor = frag(jin_Color, jin_MainTexture, Vertex(jin_XY, jin_UV));
-}
-)";
-
-static const int BASE_FRAGMENT_SHADER_SIZE = strlen(base_fragment) + BASE_SHARED_SIZE;
-
-#define formatFragmentShader(buf, program) sprintf(buf, base_fragment, base_shared, program)
-
-static const char* SHADER_PROJECTION_MATRIX = "jin_ProjectionMatrix";
-static const char* SHADER_MODEL_MATRIX = "jin_ModelMatrix";
-static const char* SHADER_MAIN_TEXTURE = "jin_MainTexture";
-static const char* SHADER_VERTEX_COORDS = "jin_VertexCoords";
-static const char* SHADER_TEXTURE_COORDS = "jin_TextureCoords";
-
-#endif // __JE_BASE_SHADER_H \ No newline at end of file
diff --git a/src/libjin/Graphics/Shader/je_default.shader.h b/src/libjin/Graphics/Shader/je_default.shader.h
deleted file mode 100644
index 3f57c44..0000000
--- a/src/libjin/Graphics/Shader/je_default.shader.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// Ĭshader
-static const char* default_shader = R"(
-
-#VERTEX_SHADER
-
-Vertex vert(Vertex v)
-{
- return v;
-}
-
-#END_VERTEX_SHADER
-
-#FRAGMENT_SHADER
-
-Color frag(Color col, Texture tex, Vertex v)
-{
- return col * texel(tex, v.uv);
-}
-
-#END_FRAGMENT_SHADER
-)"; \ No newline at end of file
diff --git a/src/libjin/Graphics/Shader/je_font.shader.h b/src/libjin/Graphics/Shader/je_font.shader.h
deleted file mode 100644
index e04c225..0000000
--- a/src/libjin/Graphics/Shader/je_font.shader.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// shader
-static const char* font_shader = R"(
-
-#VERTEX_SHADER
-
-Vertex vert(Vertex v)
-{
- return v;
-}
-
-#END_VERTEX_SHADER
-
-#FRAGMENT_SHADER
-
-Color frag(Color col, Texture tex, Vertex v)
-{
- return Color(col.rgb, texel(tex, v.uv).a);
-}
-
-#END_FRAGMENT_SHADER
-)"; \ No newline at end of file
diff --git a/src/libjin/Graphics/Shader/je_jsl_compiler.cpp b/src/libjin/Graphics/Shader/je_jsl_compiler.cpp
deleted file mode 100644
index 81b14e8..0000000
--- a/src/libjin/Graphics/Shader/je_jsl_compiler.cpp
+++ /dev/null
@@ -1,54 +0,0 @@
-#include "../../core/je_configuration.h"
-#if defined(jin_graphics) && (jin_graphics & jin_graphics_shader)
-
-#include "../../Filesystem/je_buffer.h"
-
-#include "je_jsl_compiler.h"
-
-using namespace std;
-using namespace JinEngine::Filesystem;
-
-namespace JinEngine
-{
- namespace Graphics
- {
-
-#include "je_base.shader.h"
-
- bool JSLCompiler::compile(const string& jsl, string* vertex_shader, string* fragment_shader)
- {
- // parse shader source, need some optimizations
- int loc_VERTEX_SHADER = jsl.find("#VERTEX_SHADER");
- int loc_END_VERTEX_SHADER = jsl.find("#END_VERTEX_SHADER");
- int loc_FRAGMENT_SHADER = jsl.find("#FRAGMENT_SHADER");
- int loc_END_FRAGMENT_SHADER = jsl.find("#END_FRAGMENT_SHADER");
- if (loc_VERTEX_SHADER == string::npos
- || loc_END_VERTEX_SHADER == string::npos
- || loc_FRAGMENT_SHADER == string::npos
- || loc_END_FRAGMENT_SHADER == string::npos
- )
- return false;
- // Load vertex and fragment shader source into buffers.
- {
- // Compile JSL vertex program.
- int start = loc_VERTEX_SHADER + strlen("#VERTEX_SHADER");
- *vertex_shader = jsl.substr(start, loc_END_VERTEX_SHADER - start);
- Buffer vbuffer = Buffer(vertex_shader->length() + BASE_VERTEX_SHADER_SIZE);
- formatVertexShader((char*)&vbuffer, vertex_shader->c_str());
- vertex_shader->assign((char*)&vbuffer);
- }
- {
- // Compile JSL fragment program.
- int start = loc_FRAGMENT_SHADER + strlen("#FRAGMENT_SHADER");
- *fragment_shader = jsl.substr(start, loc_END_FRAGMENT_SHADER - start);
- Buffer fbuffer = Buffer(fragment_shader->length() + BASE_FRAGMENT_SHADER_SIZE);
- formatFragmentShader((char*)&fbuffer, fragment_shader->c_str());
- fragment_shader->assign((char*)&fbuffer);
- }
- return true;
- }
-
- } // namespace Graphics
-} // namespace JinEngine
-
-#endif // (jin_graphics) && (jin_graphics & jin_graphics_shader) \ No newline at end of file
diff --git a/src/libjin/Graphics/Shader/je_jsl_compiler.h b/src/libjin/Graphics/Shader/je_jsl_compiler.h
deleted file mode 100644
index 29129e1..0000000
--- a/src/libjin/Graphics/Shader/je_jsl_compiler.h
+++ /dev/null
@@ -1,42 +0,0 @@
-#ifndef __JE_JSL_COMPILER_H
-#define __JE_JSL_COMPILER_H
-
-#include "../../core/je_configuration.h"
-#if defined(jin_graphics) && (jin_graphics & jin_graphics_shader)
-
-#include <string>
-
-#include "../../common/je_singleton.hpp"
-
-namespace JinEngine
-{
- namespace Graphics
- {
-
- ///
- /// Compile JSL into GLSL.
- ///
- class JSLCompiler : public Singleton<JSLCompiler>
- {
- public:
- ///
- /// Compile JSL shader source into GLSL.
- ///
- /// @param jsl JSL shader source.
- /// @param glsl_vertex Output of vertex glsl shader source.
- /// @param glsl_fragment Output of fragment glsl shader source.
- /// @return True if compile successful, otherwise return false.
- ///
- bool compile(const std::string& jsl, std::string* glsl_vertex, std::string* glsl_fragment);
-
- private:
- singleton(JSLCompiler);
-
- };
-
- } // namespace Graphics
-} // namespace JinEngine
-
-#endif // (jin_graphics) && (jin_graphics & jin_graphics_shader)
-
-#endif // __JE_JSL_COMPILER_H \ No newline at end of file
diff --git a/src/libjin/Graphics/Shader/je_shader.cpp b/src/libjin/Graphics/Shader/je_shader.cpp
deleted file mode 100644
index b0e7506..0000000
--- a/src/libjin/Graphics/Shader/je_shader.cpp
+++ /dev/null
@@ -1,278 +0,0 @@
-#include "../../core/je_configuration.h"
-#if defined(jin_graphics) && (jin_graphics & jin_graphics_shader)
-
-#include <iostream>
-
-#include "../../filesystem/je_buffer.h"
-#include "../../utils/je_macros.h"
-
-#include "je_jsl_compiler.h"
-#include "je_shader.h"
-
-namespace JinEngine
-{
- namespace Graphics
- {
-
- using namespace std;
- using namespace JinEngine::Filesystem;
-
- //
- // default_texture
- // base_shader
- // SHADER_FORMAT_SIZE
- // formatShader
- //
- #include "je_default.shader.h"
-
- //
- // https://stackoverflow.com/questions/27941496/use-sampler-without-passing-through-value
- // The default value of a sampler variable is 0. From the GLSL 3.30 spec,
- // section "4.3.5 Uniforms":
- //
- // The link time initial value is either the value of the variable's
- // initializer, if present, or 0 if no initializer is present.Sampler
- // types cannot have initializers.
- //
- // Since a value of 0 means that it's sampling from texture unit 0, it will
- // work without ever setting the value as long as you bind your textures to
- // unit 0. This is well defined behavior.
- //
- // Since texture unit 0 is also the default until you call glActiveTexture()
- // with a value other than GL_TEXTURE0, it's very common to always use unit
- // 0 as long as shaders do not need more than one texture.Which means that
- // often times, setting the sampler uniforms is redundant for simple
- // applications.
- //
- // I would still prefer to always set the values.If nothing else, it makes
- // it clear to anybody reading your code that you really mean to sample from
- // texture unit 0, and did not just forget to set the value.
- //
- const int DEFAULT_TEXTURE_UNIT = 0;
-
- /*static*/ Shader* Shader::CurrentShader = nullptr;
-
- Shader* Shader::createShader(const string& program)
- {
- Shader* shader = nullptr;
- try
- {
- shader = new Shader(program);
- }
- catch(...)
- {
- return nullptr;
- }
- return shader;
- }
-
- Shader::Shader(const string& program)
- : mCurrentTextureUnit(DEFAULT_TEXTURE_UNIT)
- {
- if (!compile(program))
- throw 0;
- }
-
- Shader::~Shader()
- {
- if (CurrentShader == this)
- unuse();
- // delete shader program
- glDeleteShader(mPID);
- }
-
- bool Shader::compile(const string& program)
- {
- string vertex_shader, fragment_shader;
- // Compile JSL shader source into GLSL shader source.
- JSLCompiler* compiler = JSLCompiler::get();
- if (!compiler->compile(program, &vertex_shader, &fragment_shader))
- {
- return false;
- }
-#define glsl(SHADER_MODE, SHADER, SRC) \
-do{ \
-const GLchar* src = SRC.c_str(); \
-glShaderSource(SHADER, 1, &src, NULL); \
-glCompileShader(SHADER); \
-GLint success; \
-glGetShaderiv(SHADER, GL_COMPILE_STATUS, &success); \
-if (success == GL_FALSE) \
- return false; \
-}while(0)
- // Compile vertex shader.
- GLuint vid = glCreateShader(GL_VERTEX_SHADER);
- glsl(GL_VERTEX_SHADER, vid, vertex_shader);
- // Compile fragment shader.
- GLuint fid = glCreateShader(GL_FRAGMENT_SHADER);
- glsl(GL_FRAGMENT_SHADER, fid, fragment_shader);
-#undef glsl
- // Create OpenGL shader program.
- mPID = glCreateProgram();
- glAttachShader(mPID, vid);
- glAttachShader(mPID, fid);
- glLinkProgram(mPID);
- GLint success;
- glGetProgramiv(mPID, GL_LINK_STATUS, &success);
- if (success == GL_FALSE)
- return false;
- }
-
- static inline GLint getMaxTextureUnits()
- {
- GLint maxTextureUnits = 0;
- glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &maxTextureUnits);
- return maxTextureUnits;
- }
-
- void Shader::use()
- {
- glUseProgram(mPID);
- CurrentShader = this;
- sendInt(SHADER_MAIN_TEXTURE, DEFAULT_TEXTURE_UNIT);
- }
-
- /*static*/ void Shader::unuse()
- {
- glUseProgram(0);
- CurrentShader = nullptr;
- }
-
- GLint Shader::claimTextureUnit(const std::string& name)
- {
- std::map<std::string, GLint>::iterator unit = mTextureUnits.find(name);
- if (unit != mTextureUnits.end())
- return unit->second;
- static GLint MAX_TEXTURE_UNITS = getMaxTextureUnits();
- if (++mCurrentTextureUnit >= MAX_TEXTURE_UNITS)
- return 0;
- mTextureUnits[name] = mCurrentTextureUnit;
- return mCurrentTextureUnit;
- }
-
- #define checkJSL() \
- if (CurrentShader != this) \
- return
-
- void Shader::sendInt(const char* name, int value)
- {
- checkJSL();
- int loc = glGetUniformLocation(mPID, name);
- glUniform1i(loc, value);
- }
-
- void Shader::sendFloat(const char* variable, float number)
- {
- checkJSL();
- int loc = glGetUniformLocation(mPID, variable);
- glUniform1f(loc, number);
- }
-
- //
- // https://www.douban.com/note/627332677/
- // struct TextureUnit
- // {
- // GLuint targetTexture1D;
- // GLuint targetTexture2D;
- // GLuint targetTexture3D;
- // GLuint targetTextureCube;
- // ...
- // };
- //
- // TextureUnit mTextureUnits[GL_MAX_TEXTURE_IMAGE_UNITS]
- // GLuint mCurrentTextureUnit = 0;
- //
- void Shader::sendTexture(const char* variable, const Texture* tex)
- {
- checkJSL();
- GLint location = glGetUniformLocation(mPID, variable);
- if (location == -1)
- return;
- GLint unit = claimTextureUnit(variable);
- if (unit == 0)
- {
- // TODO: 쳣󶨵
- return;
- }
- gl.activeTexUnit(unit);
- glUniform1i(location, unit);
- gl.bindTexture(tex->getTexture());
- gl.activeTexUnit(0);
- }
-
- void Shader::sendCanvas(const char* variable, const Canvas* canvas)
- {
- checkJSL();
- GLint location = glGetUniformLocation(mPID, variable);
- if (location == -1)
- return;
- GLint unit = claimTextureUnit(variable);
- if (unit == 0)
- {
- // TODO: 쳣󶨵
- return;
- }
- glUniform1i(location, unit);
- glActiveTexture(GL_TEXTURE0 + unit);
- gl.bindTexture(canvas->getTexture());
-
- glActiveTexture(GL_TEXTURE0);
- }
-
- void Shader::sendVec2(const char* name, float x, float y)
- {
- checkJSL();
- int loc = glGetUniformLocation(mPID, name);
- glUniform2f(loc, x, y);
- }
-
- void Shader::sendVec3(const char* name, float x, float y, float z)
- {
- checkJSL();
- int loc = glGetUniformLocation(mPID, name);
- glUniform3f(loc, x, y, z);
- }
-
- void Shader::sendVec4(const char* name, float x, float y, float z, float w)
- {
- checkJSL();
- int loc = glGetUniformLocation(mPID, name);
- glUniform4f(loc, x, y, z, w);
- }
-
- void Shader::sendColor(const char* name, const Color* col)
- {
- checkJSL();
- int loc = glGetUniformLocation(mPID, name);
- glUniform4f(loc,
- col->r / 255.f,
- col->g / 255.f,
- col->b / 255.f,
- col->a / 255.f
- );
- }
-
- void Shader::sendMatrix4(const char* name, const Math::Matrix* mat4)
- {
- int loc = glGetUniformLocation(mPID, name);
- glUniformMatrix4fv(loc, 1, GL_FALSE, mat4->getElements());
- }
-
- void Shader::bindVertexPointer(int n, GLenum type, GLsizei stride, const GLvoid * pointers)
- {
- GLint loc = glGetAttribLocation(mPID, SHADER_VERTEX_COORDS);
- glEnableVertexAttribArray(0);
- glVertexAttribPointer(loc, n, type, GL_FALSE, stride, pointers);
- }
-
- void Shader::bindUVPointer(int n, GLenum type, GLsizei stride, const GLvoid * pointers)
- {
- GLint loc = glGetAttribLocation(mPID, SHADER_TEXTURE_COORDS);
- glEnableVertexAttribArray(1);
- glVertexAttribPointer(loc, n, type, GL_FALSE, stride, pointers);
- }
-
- } // namespace Graphics
-} // namespace JinEngine
-
-#endif // (jin_graphics) && (jin_graphics & jin_graphics_shader) \ No newline at end of file
diff --git a/src/libjin/Graphics/Shader/je_shader.h b/src/libjin/Graphics/Shader/je_shader.h
deleted file mode 100644
index 928fb0a..0000000
--- a/src/libjin/Graphics/Shader/je_shader.h
+++ /dev/null
@@ -1,200 +0,0 @@
-#ifndef __JE_SHADER_H
-#define __JE_SHADER_H
-
-#include "../../core/je_configuration.h"
-#if defined(jin_graphics) && (jin_graphics & jin_graphics_shader)
-
-#include <string>
-#include <map>
-
-#include "../../3rdparty/GLee/GLee.h"
-
-#include "../je_color.h"
-#include "../je_texture.h"
-#include "../je_canvas.h"
-
-#include "je_base.shader.h"
-
-namespace JinEngine
-{
- namespace Graphics
- {
-
- ///
- /// Built in shader program.
- ///
- /// Built in shader program written with custom shading language called JSL (jin
- /// shading language). A JSL program is compiled into glsl, so most glsl built in
- /// functions and structs are available in JSL.
- ///
- class Shader
- {
- public:
- ///
- /// Create shader program from source code.
- ///
- /// @param source The shader source code.
- ///
- static Shader* createShader(const std::string& source);
-
- ///
- /// Get current shader.
- ///
- /// @return Current used shader program.
- ///
- static inline Shader* getCurrentShader() { return CurrentShader; }
-
- ///
- /// Unuse current shader.
- ///
- static void unuse();
-
- ///
- /// Destructor of shader.
- ///
- virtual ~Shader();
-
- ///
- /// Use specific shader.
- ///
- void use();
-
- ///
- /// Send float value to shader.
- ///
- /// @param name Name of the uniform variable to be assigned.
- /// @param number Value of uniform variable to be sent.
- ///
- void sendFloat(const char* name, float number);
-
- ///
- /// Send texture to shader.
- ///
- /// @param name Name of the uniform variable to be assigned.
- /// @param texture Texture to be sent.
- ///
- void sendTexture(const char* name, const Texture* texture);
-
- ///
- /// Send integer value to shader
- ///
- /// @param name Name of the uniform variable to be assigned.
- /// @param value Value to be sent.
- ///
- void sendInt(const char* name, int value);
-
- ///
- /// Send 2D vector to shader.
- ///
- /// @param name Name of the uniform variable to be assigned.
- /// @param x X value of the vector to be sent.
- /// @param y Y value of the vector to be sent.
- ///
- void sendVec2(const char* name, float x, float y);
-
- ///
- /// Send 3D vector to shader.
- ///
- /// @param name Name of the uniform variable to be assigned.
- /// @param x X value of the vector to be sent.
- /// @param y Y value of the vector to be sent.
- /// @param z Z value of the vector to be sent.
- ///
- void sendVec3(const char* name, float x, float y, float z);
-
- ///
- /// Send 4D vector to shader.
- ///
- /// @param name Name of the uniform variable to be assigned.
- /// @param x X value of the vector to be sent.
- /// @param y Y value of the vector to be sent.
- /// @param z Z value of the vector to be sent.
- /// @param w W value of the vector to be sent.
- ///
- void sendVec4(const char* name, float x, float y, float z, float w);
-
- ///
- /// Send canvas to shader.
- ///
- /// @param name Name of the uniform variable to be assigned.
- /// @param canvas Canvas to be sent.
- ///
- void sendCanvas(const char* name, const Canvas* canvas);
-
- ///
- /// Send color to shader.
- ///
- /// @param name Name of the uniform variable to be assigned.
- /// @param color Color to be sent.
- ///
- void sendColor(const char* name, const Color* color);
-
- ///
- /// Send 4 by 4 matrix to shader.
- ///
- /// @param name Name of the uniform variable to be assigned.
- /// @param mat4 Matrix to be sent.
- ///
- void sendMatrix4(const char* name, const Math::Matrix* mat4);
-
- ///
- /// Set vertices value.
- ///
- /// @param n Number of vertices.
- /// @param type Data type of each component in the array.
- /// @param stride Byte offset between consecutive generic vertex attributes.
- /// @param pointers Pointer to the first component of the first generic vertex
- /// attribute in the array.
- ///
- void bindVertexPointer(int n, GLenum type, GLsizei stride, const GLvoid * pointers);
-
- ///
- /// Set texture UV coordinates.
- ///
- /// @param n Number of vertices.
- /// @param type Data type of each component in the array.
- /// @param stride Byte offset between consecutive generic vertex attributes.
- /// @param pointers Pointer to the first component of the first generic vertex
- /// attribute in the array.
- ///
- void bindUVPointer(int n, GLenum type, GLsizei stride, const GLvoid * pointers);
-
- protected:
- ///
- /// Reference of current used shader.
- ///
- static Shader* CurrentShader;
-
- ///
- /// Get texture unit of the uniform texture. If not, assign one.
- ///
- /// @param name Name of the texture uniform variable.
- /// @return Texture unit which texture variable be assigned.
- ///
- GLint claimTextureUnit(const std::string& name);
-
- ///
- /// Shader constructor.
- ///
- Shader(const std::string& program);
-
- ///
- /// Compile JSL program into GLSL source.
- ///
- /// @param program JSL source code.
- /// @return Return true if compile successed, otherwise return false.
- ///
- bool compile(const std::string& program);
-
- GLuint mPID;
- GLint mCurrentTextureUnit;
- std::map<std::string, GLint> mTextureUnits;
-
- };
-
- } // namespace Graphics
-} // namespace JinEngine
-
-#endif // (jin_graphics) && (jin_graphics & jin_graphics_shader)
-
-#endif // __JE_SHADER_H \ No newline at end of file
diff --git a/src/libjin/Graphics/Shader/je_texture.shader.h b/src/libjin/Graphics/Shader/je_texture.shader.h
deleted file mode 100644
index d1fc86f..0000000
--- a/src/libjin/Graphics/Shader/je_texture.shader.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// ͼshader
-static const char* texture_shader = R"(
-
-#VERTEX_SHADER
-
-Vertex vert(Vertex v)
-{
- return v;
-}
-
-#END_VERTEX_SHADER
-
-#FRAGMENT_SHADER
-
-Color frag(Color col, Texture tex, Vertex v)
-{
- return col * texel(tex, v.uv);
-}
-
-#END_FRAGMENT_SHADER
-)"; \ No newline at end of file
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