diff options
Diffstat (limited to 'src/render/jsl.cpp')
-rw-r--r-- | src/render/jsl.cpp | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/src/render/jsl.cpp b/src/render/jsl.cpp deleted file mode 100644 index 6fcee53..0000000 --- a/src/render/jsl.cpp +++ /dev/null @@ -1,84 +0,0 @@ -#include "utils/macros.h" -#include "jsl.h" -namespace jin -{ -namespace render -{ - //vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 screen_coords) - static const char* base_f = " " - "#version 120 \n" - "#define number float \n" - "#define Image sampler2D \n" - "#define Texel texture2D \n" - "#define extern uniform \n" - "uniform sampler2D _tex0_; \n" - "%s \n" - "void main(){ \n" - "gl_FragColor = effect(gl_Color, _tex0_, gl_TexCoord[0].xy, gl_FragCoord.xy);\n" - "}\0"; - - void JSLProgram::init(const char* program) - { - glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &_max_texture_units); - - char* fs = (char*)alloca(strlen(program) + strlen(base_f)); - sprintf(fs, base_f, program); - GLuint fragmentShader = glCreateShader(GL_FRAGMENT_SHADER); - glShaderSource(fragmentShader, 1, (const GLchar**)&fs, NULL); - glCompileShader(fragmentShader); - - pid = glCreateProgram(); - glAttachShader(pid, fragmentShader); - glLinkProgram(pid); - } - - shared std::map<std::string, GLint> JSLProgram::_texture_unit_pool; - shared GLint JSLProgram::_current_texture_unit = 0; - shared GLint JSLProgram::_max_texture_units = 0; - - shared GLint JSLProgram::getTextureUnit(const std::string& name) - { - std::map<std::string, GLint>::const_iterator it = _texture_unit_pool.find(name); - - if (it != _texture_unit_pool.end()) - return it->second; - - if (++_current_texture_unit >= _max_texture_units) - return 0; - - _texture_unit_pool[name] = _current_texture_unit; - return _current_texture_unit; - } - - void JSLProgram::use() - { - glUseProgram(pid); - } - - shared void JSLProgram::unuse() - { - glUseProgram(0); - } - - void JSLProgram::sendFloat(const char* variable, float number) - { - int loc = glGetUniformLocation(pid, variable); - glUniform1f(loc, number); - } - - void JSLProgram::sendImage(const char* variable, const Image* image) - { - GLint texture_unit = getTextureUnit(variable); - - GLint location = glGetUniformLocation(pid, variable); - - glActiveTexture(GL_TEXTURE0 + texture_unit); - glBindTexture(GL_TEXTURE_2D, image->getTexture()); // guarantee it gets bound - glUniform1i(location, texture_unit); - - // reset texture unit - glActiveTexture(GL_TEXTURE0); - } - -} -} |