diff options
Diffstat (limited to 'src/libjin/graphics/shaders/je_shader.cpp')
| -rw-r--r-- | src/libjin/graphics/shaders/je_shader.cpp | 77 |
1 files changed, 47 insertions, 30 deletions
diff --git a/src/libjin/graphics/shaders/je_shader.cpp b/src/libjin/graphics/shaders/je_shader.cpp index 16627d5..0137978 100644 --- a/src/libjin/graphics/shaders/je_shader.cpp +++ b/src/libjin/graphics/shaders/je_shader.cpp @@ -85,16 +85,18 @@ namespace JinEngine { 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) + 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); @@ -133,21 +135,23 @@ namespace JinEngine } #define checkJSL() \ - if (gl.getShader() != this) \ - return + if (gl.getShader() != this) \ + return *this - void Shader::sendInt(const char* name, int value) + Shader & Shader::sendInt(const char* name, int value) { checkJSL(); int loc = glGetUniformLocation(mPID, name); glUniform1i(loc, value); + return *this; } - void Shader::sendFloat(const char* variable, float number) + Shader& Shader::sendFloat(const char* variable, float number) { checkJSL(); int loc = glGetUniformLocation(mPID, variable); glUniform1f(loc, number); + return *this; } // @@ -164,65 +168,70 @@ namespace JinEngine // TextureUnit mTextureUnits[GL_MAX_TEXTURE_IMAGE_UNITS] // GLuint mCurrentTextureUnit = 0; // - void Shader::sendTexture(const char* variable, const Texture* tex) + Shader& Shader::sendTexture(const char* variable, const Texture* tex) { checkJSL(); GLint location = glGetUniformLocation(mPID, variable); if (location == -1) - return; + return *this; GLint unit = claimTextureUnit(variable); if (unit == 0) { // TODO: 쳣 - return; + return *this; } gl.activeTexUnit(unit); glUniform1i(location, unit); gl.bindTexture(tex->getGLTexture()); gl.activeTexUnit(0); + return *this; } - void Shader::sendCanvas(const char* variable, const Canvas* canvas) + Shader& Shader::sendCanvas(const char* variable, const Canvas* canvas) { checkJSL(); GLint location = glGetUniformLocation(mPID, variable); if (location == -1) - return; + return *this; GLint unit = claimTextureUnit(variable); if (unit == 0) { // TODO: 쳣 - return; + return *this; } glUniform1i(location, unit); glActiveTexture(GL_TEXTURE0 + unit); gl.bindTexture(canvas->getGLTexture()); glActiveTexture(GL_TEXTURE0); + return *this; } - void Shader::sendVec2(const char* name, float x, float y) + Shader& Shader::sendVec2(const char* name, float x, float y) { checkJSL(); int loc = glGetUniformLocation(mPID, name); glUniform2f(loc, x, y); + return *this; } - void Shader::sendVec3(const char* name, float x, float y, float z) + Shader& Shader::sendVec3(const char* name, float x, float y, float z) { checkJSL(); int loc = glGetUniformLocation(mPID, name); glUniform3f(loc, x, y, z); + return *this; } - void Shader::sendVec4(const char* name, float x, float y, float z, float w) + Shader& 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); + return *this; } - void Shader::sendColor(const char* name, const Color* col) + Shader& Shader::sendColor(const char* name, const Color* col) { checkJSL(); int loc = glGetUniformLocation(mPID, name); @@ -232,44 +241,52 @@ namespace JinEngine col->b / 255.f, col->a / 255.f ); + return *this; } - void Shader::sendMatrix4(const char* name, const Math::Matrix* mat4) + Shader& Shader::sendMatrix4(const char* name, const Math::Matrix* mat4) { int loc = glGetUniformLocation(mPID, name); glUniformMatrix4fv(loc, 1, GL_FALSE, mat4->getElements()); + return *this; } - void Shader::uploadVertices(int n, GLenum type, GLsizei stride, const GLvoid * pointers, GLboolean normalized) + Shader& Shader::uploadVertices(int n, GLenum type, GLsizei stride, const GLvoid * pointers, GLboolean normalized) { uploadAttribute(SHADER_VERTEX_COORDS, n, type, stride, pointers, normalized); + return *this; } - void Shader::uploadUV(int n, GLenum type, GLsizei stride, const GLvoid * pointers, GLboolean normalized) + Shader& Shader::uploadUV(int n, GLenum type, GLsizei stride, const GLvoid * pointers, GLboolean normalized) { uploadAttribute(SHADER_TEXTURE_COORDS, n, type, stride, pointers, normalized); + return *this; } - void Shader::uploadColor(int n, GLenum type, GLsizei stride, const GLvoid * pointers, GLboolean normalized) + Shader& Shader::uploadColor(int n, GLenum type, GLsizei stride, const GLvoid * pointers, GLboolean normalized) { uploadAttribute(SHADER_VERTEX_COLOR, n, type, stride, pointers, normalized); + return *this; } - void Shader::beginUploadAttributes() + Shader& Shader::beginUploadAttributes() { mAttributeIndex = 0; + return *this; } - void Shader::endUploadAttributes() + Shader& Shader::endUploadAttributes() { mAttributeIndex = 0; + return *this; } - void Shader::uploadAttribute(const String& name, int n, GLenum type, GLsizei stride, const GLvoid * pointers, GLboolean normalized) + Shader& Shader::uploadAttribute(const String& name, int n, GLenum type, GLsizei stride, const GLvoid * pointers, GLboolean normalized) { GLint loc = glGetAttribLocation(mPID, name); glEnableVertexAttribArray(mAttributeIndex++); glVertexAttribPointer(loc, n, type, normalized, stride, pointers); + return *this; } } // namespace Shaders |