/* * (C) Copyright IBM Corporation 2005 * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sub license, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * IBM, * AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <inttypes.h> #include <GL/gl.h> #include "indirect.h" #include "glxclient.h" #include "indirect_vertex_array.h" #include <GL/glxproto.h> #if !defined(__GNUC__) # define __builtin_expect(x, y) x #endif static void do_vertex_attrib_enable(GLuint index, GLboolean val) { struct glx_context *gc = __glXGetCurrentContext(); __GLXattribute *state = (__GLXattribute *) (gc->client_state_private); if (!__glXSetArrayEnable(state, GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB, index, val)) { __glXSetError(gc, GL_INVALID_ENUM); } } void __indirect_glEnableVertexAttribArray(GLuint index) { do_vertex_attrib_enable(index, GL_TRUE); } void __indirect_glDisableVertexAttribArray(GLuint index) { do_vertex_attrib_enable(index, GL_FALSE); } static void get_parameter(unsigned opcode, unsigned size, GLenum target, GLuint index, void *params) { struct glx_context *const gc = __glXGetCurrentContext(); Display *const dpy = gc->currentDpy; const GLuint cmdlen = 12; if (__builtin_expect(dpy != NULL, 1)) { GLubyte const *pc = __glXSetupVendorRequest(gc, X_GLXVendorPrivateWithReply, opcode, cmdlen); *((GLenum *) (pc + 0)) = target; *((GLuint *) (pc + 4)) = index; *((GLuint *) (pc + 8)) = 0; (void) __glXReadReply(dpy, size, params, GL_FALSE); UnlockDisplay(dpy); SyncHandle(); } return; } void __indirect_glGetProgramEnvParameterfvARB(GLenum target, GLuint index, GLfloat * params) { get_parameter(1296, 4, target, index, params); } void __indirect_glGetProgramEnvParameterdvARB(GLenum target, GLuint index, GLdouble * params) { get_parameter(1297, 8, target, index, params); } void __indirect_glGetProgramLocalParameterfvARB(GLenum target, GLuint index, GLfloat * params) { get_parameter(1305, 4, target, index, params); } void __indirect_glGetProgramLocalParameterdvARB(GLenum target, GLuint index, GLdouble * params) { get_parameter(1306, 8, target, index, params); } void __indirect_glGetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid ** pointer) { struct glx_context *const gc = __glXGetCurrentContext(); __GLXattribute *state = (__GLXattribute *) (gc->client_state_private); if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB) { __glXSetError(gc, GL_INVALID_ENUM); } if (!__glXGetArrayPointer(state, GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB, index, pointer)) { __glXSetError(gc, GL_INVALID_VALUE); } } /** * Get the selected attribute from the vertex array state vector. * * \returns * On success \c GL_TRUE is returned. Otherwise, \c GL_FALSE is returned. */ static GLboolean get_attrib_array_data(__GLXattribute * state, GLuint index, GLenum cap, GLintptr * data) { GLboolean retval = GL_FALSE; const GLenum attrib = GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB; switch (cap) { case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB: retval = __glXGetArrayEnable(state, attrib, index, data); break; case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB: retval = __glXGetArraySize(state, attrib, index, data); break; case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB: retval = __glXGetArrayStride(state, attrib, index, data); break; case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB: retval = __glXGetArrayType(state, attrib, index, data); break; case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB: retval = __glXGetArrayNormalized(state, attrib, index, data); break; } return retval; } static void get_vertex_attrib(struct glx_context * gc, unsigned vop, GLuint index, GLenum pname, xReply * reply) { Display *const dpy = gc->currentDpy; GLubyte *const pc = __glXSetupVendorRequest(gc, X_GLXVendorPrivateWithReply, vop, 8); *((uint32_t *) (pc + 0)) = index; *((uint32_t *) (pc + 4)) = pname; (void) _XReply(dpy, reply, 0, False); } void __indirect_glGetVertexAttribiv(GLuint index, GLenum pname, GLint * params) { struct glx_context *const gc = __glXGetCurrentContext(); Display *const dpy = gc->currentDpy; __GLXattribute *state = (__GLXattribute *) (gc->client_state_private); xGLXSingleReply reply; get_vertex_attrib(gc, 1303, index, pname, (xReply *) & reply); if (reply.size != 0) { GLintptr data; if (get_attrib_array_data(state, index, pname, &data)) { *params = (GLint) data; } else { if (reply.size == 1) { *params = (GLint) reply.pad3; } else { _XRead(dpy, (void *) params, 4 * reply.size); } } } UnlockDisplay(dpy); SyncHandle(); } void __indirect_glGetVertexAttribfv(GLuint index, GLenum pname, GLfloat * params) { struct glx_context *const gc = __glXGetCurrentContext(); Display *const dpy = gc->currentDpy; __GLXattribute *state = (__GLXattribute *) (gc->client_state_private); xGLXSingleReply reply; get_vertex_attrib(gc, 1302, index, pname, (xReply *) & reply); if (reply.size != 0) { GLintptr data; if (get_attrib_array_data(state, index, pname, &data)) { *params = (GLfloat) data; } else { if (reply.size == 1) { (void) memcpy(params, &reply.pad3, sizeof(GLfloat)); } else { _XRead(dpy, (void *) params, 4 * reply.size); } } } UnlockDisplay(dpy); SyncHandle(); } void __indirect_glGetVertexAttribdv(GLuint index, GLenum pname, GLdouble * params) { struct glx_context *const gc = __glXGetCurrentContext(); Display *const dpy = gc->currentDpy; __GLXattribute *state = (__GLXattribute *) (gc->client_state_private); xGLXSingleReply reply; get_vertex_attrib(gc, 1301, index, pname, (xReply *) & reply); if (reply.size != 0) { GLintptr data; if (get_attrib_array_data(state, index, pname, &data)) { *params = (GLdouble) data; } else { if (reply.size == 1) { (void) memcpy(params, &reply.pad3, sizeof(GLdouble)); } else { _XRead(dpy, (void *) params, 8 * reply.size); } } } UnlockDisplay(dpy); SyncHandle(); }