mirror of https://github.com/axmolengine/axmol.git
529 lines
15 KiB
C++
529 lines
15 KiB
C++
/*
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* JS Bindings: https://github.com/zynga/jsbindings
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*
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* Copyright (c) 2013 Zynga Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "js_bindings_config.h"
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#ifdef JSB_INCLUDE_OPENGL
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#include "jsapi.h"
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#include "jsfriendapi.h"
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#include "jsb_opengl_manual.h"
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#include "js_manual_conversions.h"
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#include "cocosjs_manual_conversions.h"
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#include "js_bindings_core.h"
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#include "jsb_opengl_functions.h"
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// Helper functions that link "glGenXXXs" (OpenGL ES 2.0 spec), with "gl.createXXX" (WebGL spec)
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JSBool JSB_glGenTextures(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 0, cx, JS_FALSE, "Invalid number of arguments" );
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GLuint texture;
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glGenTextures(1, &texture);
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JS_SET_RVAL(cx, vp, INT_TO_JSVAL(texture));
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return JS_TRUE;
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}
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JSBool JSB_glGenBuffers(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 0, cx, JS_FALSE, "Invalid number of arguments" );
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GLuint buffer;
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glGenBuffers(1, &buffer);
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JS_SET_RVAL(cx, vp, INT_TO_JSVAL(buffer));
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return JS_TRUE;
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}
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JSBool JSB_glGenRenderbuffers(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 0, cx, JS_FALSE, "Invalid number of arguments" );
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GLuint renderbuffers;
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glGenRenderbuffers(1, &renderbuffers);
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JS_SET_RVAL(cx, vp, INT_TO_JSVAL(renderbuffers));
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return JS_TRUE;
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}
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JSBool JSB_glGenFramebuffers(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 0, cx, JS_FALSE, "Invalid number of arguments" );
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GLuint framebuffers;
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glGenFramebuffers(1, &framebuffers);
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JS_SET_RVAL(cx, vp, INT_TO_JSVAL(framebuffers));
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return JS_TRUE;
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}
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JSBool JSB_glDeleteTextures(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 1, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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glDeleteTextures(1, &arg0);
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JS_SET_RVAL(cx, vp, JSVAL_VOID);
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return JS_TRUE;
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}
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JSBool JSB_glDeleteBuffers(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 1, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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glDeleteBuffers(1, &arg0);
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JS_SET_RVAL(cx, vp, JSVAL_VOID);
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return JS_TRUE;
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}
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JSBool JSB_glDeleteRenderbuffers(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 1, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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glDeleteRenderbuffers(1, &arg0);
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JS_SET_RVAL(cx, vp, JSVAL_VOID);
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return JS_TRUE;
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}
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JSBool JSB_glDeleteFramebuffers(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 1, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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glDeleteFramebuffers(1, &arg0);
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JS_SET_RVAL(cx, vp, JSVAL_VOID);
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return JS_TRUE;
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}
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JSBool JSB_glShaderSource(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 2, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0; const char *arg1;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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ok &= jsval_to_charptr(cx, *argvp++, &arg1);
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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glShaderSource(arg0, 1, &arg1, NULL);
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JS_SET_RVAL(cx, vp, JSVAL_VOID);
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return JS_TRUE;
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}
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JSBool JSB_glGetShaderiv(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 2, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0, arg1;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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ok &= jsval_to_uint( cx, *argvp++, &arg1 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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GLint ret;
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glGetShaderiv(arg0, arg1, &ret);
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JS_SET_RVAL(cx, vp, INT_TO_JSVAL(ret));
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return JS_TRUE;
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}
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JSBool JSB_glGetProgramiv(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 2, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0, arg1;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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ok &= jsval_to_uint( cx, *argvp++, &arg1 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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GLint ret;
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glGetProgramiv(arg0, arg1, &ret);
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JS_SET_RVAL(cx, vp, INT_TO_JSVAL(ret));
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return JS_TRUE;
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}
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JSBool JSB_glGetProgramInfoLog(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 1, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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GLsizei length;
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glGetProgramiv(arg0, GL_INFO_LOG_LENGTH, &length);
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GLchar* src = new GLchar[length];
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glGetProgramInfoLog(arg0, length, NULL, src);
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JS_SET_RVAL(cx, vp, charptr_to_jsval(cx, src));
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CC_SAFE_DELETE_ARRAY(src);
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return JS_TRUE;
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}
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// DOMString? getShaderInfoLog(WebGLShader? shader);
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JSBool JSB_glGetShaderInfoLog(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 1, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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GLsizei length;
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glGetShaderiv(arg0, GL_INFO_LOG_LENGTH, &length);
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GLchar* src = new GLchar[length];
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glGetShaderInfoLog(arg0, length, NULL, src);
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JS_SET_RVAL(cx, vp, charptr_to_jsval(cx, src));
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CC_SAFE_DELETE_ARRAY(src);
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return JS_TRUE;
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}
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// DOMString? getShaderSource(WebGLShader? shader);
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JSBool JSB_glGetShaderSource(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 1, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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GLsizei length;
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glGetShaderiv(arg0, GL_SHADER_SOURCE_LENGTH, &length);
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GLchar* src = new GLchar[length];
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glGetShaderSource(arg0, length, NULL, src);
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JS_SET_RVAL(cx, vp, charptr_to_jsval(cx, src));
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CC_SAFE_DELETE_ARRAY(src);
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return JS_TRUE;
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}
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// interface WebGLActiveInfo {
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// readonly attribute GLint size;
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// readonly attribute GLenum type;
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// readonly attribute DOMString name;
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// WebGLActiveInfo? getActiveAttrib(WebGLProgram? program, GLuint index);
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JSBool JSB_glGetActiveAttrib(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 2, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0, arg1;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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ok &= jsval_to_uint( cx, *argvp++, &arg1 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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GLsizei length;
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glGetProgramiv(arg0, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &length);
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GLchar* buffer = new GLchar[length];
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GLint size = -1;
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GLenum type = -1;
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glGetActiveAttrib(arg0, arg1, length, NULL, &size, &type, buffer);
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jsval retval = JSVAL_VOID;
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JSObject *object = JS_NewObject(cx, NULL, NULL, NULL );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error creating JS Object");
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if (!JS_DefineProperty(cx, object, "size", INT_TO_JSVAL(size), NULL, NULL, JSPROP_ENUMERATE | JSPROP_PERMANENT) ||
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!JS_DefineProperty(cx, object, "type", INT_TO_JSVAL(type), NULL, NULL, JSPROP_ENUMERATE | JSPROP_PERMANENT) ||
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!JS_DefineProperty(cx, object, "name", charptr_to_jsval(cx, buffer), NULL, NULL, JSPROP_ENUMERATE | JSPROP_PERMANENT) )
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return JS_FALSE;
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retval = OBJECT_TO_JSVAL(object);
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JS_SET_RVAL(cx, vp, retval);
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CC_SAFE_DELETE_ARRAY(buffer);
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return JS_TRUE;
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}
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// interface WebGLActiveInfo {
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// readonly attribute GLint size;
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// readonly attribute GLenum type;
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// readonly attribute DOMString name;
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// };
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// WebGLActiveInfo? getActiveUniform(WebGLProgram? program, GLuint index);
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JSBool JSB_glGetActiveUniform(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 2, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0, arg1;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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ok &= jsval_to_uint( cx, *argvp++, &arg1 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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GLsizei length;
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glGetProgramiv(arg0, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &length);
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GLchar* buffer = new GLchar[length];
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GLint size = -1;
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GLenum type = -1;
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glGetActiveUniform(arg0, arg1, length, NULL, &size, &type, buffer);
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jsval retval = JSVAL_VOID;
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JSObject *object = JS_NewObject(cx, NULL, NULL, NULL );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error creating JS Object");
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if (!JS_DefineProperty(cx, object, "size", INT_TO_JSVAL(size), NULL, NULL, JSPROP_ENUMERATE | JSPROP_PERMANENT) ||
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!JS_DefineProperty(cx, object, "type", INT_TO_JSVAL(type), NULL, NULL, JSPROP_ENUMERATE | JSPROP_PERMANENT) ||
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!JS_DefineProperty(cx, object, "name", charptr_to_jsval(cx, buffer), NULL, NULL, JSPROP_ENUMERATE | JSPROP_PERMANENT) )
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return JS_FALSE;
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retval = OBJECT_TO_JSVAL(object);
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JS_SET_RVAL(cx, vp, retval);
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CC_SAFE_DELETE_ARRAY(buffer);
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return JS_TRUE;
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}
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// sequence<WebGLShader>? getAttachedShaders(WebGLProgram? program);
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JSBool JSB_glGetAttachedShaders(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 1, cx, JS_FALSE, "Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
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GLsizei length;
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glGetProgramiv(arg0, GL_ATTACHED_SHADERS, &length);
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GLuint* buffer = new GLuint[length];
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memset(buffer, 0, length * sizeof(GLuint));
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//Fix bug 2448, it seems that glGetAttachedShaders will crash if we send NULL to the third parameter (eg Windows), same as in lua binding
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GLsizei realShaderCount = 0;
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glGetAttachedShaders(arg0, length, &realShaderCount, buffer);
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JSObject *jsobj = JS_NewArrayObject(cx, length, NULL);
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JSB_PRECONDITION2(jsobj, cx, JS_FALSE, "Error creating JS Object");
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for( int i=0; i<length; i++) {
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jsval e = INT_TO_JSVAL(buffer[i]);
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JS_SetElement(cx, jsobj, i, &e );
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}
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JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(jsobj));
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CC_SAFE_DELETE_ARRAY(buffer);
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return JS_TRUE;
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}
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// sequence<DOMString>? getSupportedExtensions();
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JSBool JSB_glGetSupportedExtensions(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 0, cx, JS_FALSE, "Invalid number of arguments" );
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const GLubyte *extensions = glGetString(GL_EXTENSIONS);
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JSObject *jsobj = JS_NewArrayObject(cx, 0, NULL);
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JSB_PRECONDITION2(jsobj, cx, JS_FALSE, "Error creating JS Object");
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// copy, to be able to add '\0'
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size_t len = strlen((char*)extensions);
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GLubyte* copy = new GLubyte[len+1];
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strncpy((char*)copy, (const char*)extensions, len );
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int start_extension=0;
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int element=0;
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for( int i=0; i<len+1; i++) {
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if( copy[i]==' ' || copy[i]==',' || i==len ) {
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copy[i] = 0;
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jsval str = charptr_to_jsval(cx, (const char*)©[start_extension]);
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JS_SetElement(cx, jsobj, element++, &str );
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start_extension = i+1;
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i++;
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}
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}
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JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(jsobj));
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CC_SAFE_DELETE_ARRAY(copy);
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return JS_TRUE;
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}
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// any getTexParameter(GLenum target, GLenum pname);
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JSBool JSB_glGetTexParameterfv(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 2, cx, JS_FALSE, "JSB_glGetTexParameterfv: Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0, arg1;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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ok &= jsval_to_uint( cx, *argvp++, &arg1 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "JSB_glGetTexParameterfv: Error processing arguments");
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GLfloat param;
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glGetTexParameterfv(arg0, arg1, ¶m);
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JS_SET_RVAL(cx, vp, DOUBLE_TO_JSVAL(param));
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return JS_TRUE;
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}
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// any getUniform(WebGLProgram? program, WebGLUniformLocation? location);
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JSBool JSB_glGetUniformfv(JSContext *cx, uint32_t argc, jsval *vp)
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{
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JSB_PRECONDITION2( argc == 2, cx, JS_FALSE, "JSB_glGetUniformfv: Invalid number of arguments" );
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jsval *argvp = JS_ARGV(cx,vp);
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JSBool ok = JS_TRUE;
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uint32_t arg0, arg1;
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ok &= jsval_to_uint( cx, *argvp++, &arg0 );
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ok &= jsval_to_uint( cx, *argvp++, &arg1 );
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JSB_PRECONDITION2(ok, cx, JS_FALSE, "JSB_glGetUniformfv: Error processing arguments");
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GLsizei length;
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glGetProgramiv(arg0, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &length);
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GLchar* namebuffer = new GLchar[length];
|
|
GLint size = -1;
|
|
GLenum type = -1;
|
|
|
|
glGetActiveUniform(arg0, arg1, length, NULL, &size, &type, namebuffer);
|
|
CC_SAFE_DELETE_ARRAY(namebuffer);
|
|
|
|
int usize = 0;
|
|
int utype = 0;
|
|
switch(type) {
|
|
|
|
// float
|
|
case GL_FLOAT:
|
|
usize = 1;
|
|
utype = GL_FLOAT;
|
|
break;
|
|
case GL_FLOAT_MAT2:
|
|
usize = 2 * 2;
|
|
utype = GL_FLOAT;
|
|
break;
|
|
case GL_FLOAT_MAT3:
|
|
usize = 3 * 3;
|
|
utype = GL_FLOAT;
|
|
break;
|
|
case GL_FLOAT_MAT4:
|
|
usize = 4 * 4;
|
|
utype = GL_FLOAT;
|
|
break;
|
|
case GL_FLOAT_VEC2:
|
|
usize = 2;
|
|
utype = GL_FLOAT;
|
|
break;
|
|
case GL_FLOAT_VEC3:
|
|
usize = 3;
|
|
utype = GL_FLOAT;
|
|
break;
|
|
case GL_FLOAT_VEC4:
|
|
usize = 4;
|
|
utype = GL_FLOAT;
|
|
break;
|
|
|
|
// int
|
|
case GL_INT:
|
|
usize = 1;
|
|
utype = GL_INT;
|
|
break;
|
|
case GL_INT_VEC2:
|
|
usize = 1;
|
|
utype = GL_INT;
|
|
break;
|
|
case GL_INT_VEC3:
|
|
usize = 1;
|
|
utype = GL_INT;
|
|
break;
|
|
case GL_INT_VEC4:
|
|
usize = 1;
|
|
utype = GL_INT;
|
|
break;
|
|
|
|
default:
|
|
JSB_PRECONDITION2(false, cx, JS_FALSE, "JSB_glGetUniformfv: Uniform Type not supported");
|
|
}
|
|
|
|
JSObject *typedArray = NULL;
|
|
if( utype == GL_FLOAT) {
|
|
GLfloat* param = new GLfloat[usize];
|
|
glGetUniformfv(arg0, arg1, param);
|
|
|
|
typedArray = JS_NewFloat32Array(cx, usize);
|
|
float *buffer = (float*)JS_GetArrayBufferViewData(typedArray);
|
|
memcpy( buffer, param, sizeof(float) * usize);
|
|
CC_SAFE_DELETE_ARRAY(param);
|
|
} else if( utype == GL_INT ) {
|
|
GLint* param = new GLint[usize];
|
|
glGetUniformiv(arg0, arg1, param);
|
|
|
|
typedArray = JS_NewInt32Array(cx, usize);
|
|
GLint *buffer = (GLint*)JS_GetArrayBufferViewData(typedArray);
|
|
memcpy( buffer, param, sizeof(GLint) * usize);
|
|
CC_SAFE_DELETE_ARRAY(param);
|
|
}
|
|
|
|
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(typedArray));
|
|
return JS_TRUE;
|
|
}
|
|
|
|
|
|
#endif // JSB_INCLUDE_OPENGL
|