diff options
Diffstat (limited to 'nx-X11/extras/Mesa_6.4.2/src/glx/x11/indirect_vertex_program.c')
-rw-r--r-- | nx-X11/extras/Mesa_6.4.2/src/glx/x11/indirect_vertex_program.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa_6.4.2/src/glx/x11/indirect_vertex_program.c b/nx-X11/extras/Mesa_6.4.2/src/glx/x11/indirect_vertex_program.c new file mode 100644 index 000000000..d0f0d2704 --- /dev/null +++ b/nx-X11/extras/Mesa_6.4.2/src/glx/x11/indirect_vertex_program.c @@ -0,0 +1,272 @@ +/* + * (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> + +void do_vertex_attrib_enable( GLuint index, GLboolean val ) +{ + __GLXcontext *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_glEnableVertexAttribArrayARB( GLuint index ) +{ + do_vertex_attrib_enable( index, GL_TRUE ); +} + + +void __indirect_glDisableVertexAttribArrayARB( GLuint index ) +{ + do_vertex_attrib_enable( index, GL_FALSE ); +} + + +static void +get_parameter( unsigned opcode, unsigned size, GLenum target, GLuint index, + void * params ) +{ + __GLXcontext * 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_glGetVertexAttribPointervNV( GLuint index, GLenum pname, + GLvoid ** pointer ) +{ + __GLXcontext * 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( __GLXcontext * 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_glGetVertexAttribivARB( GLuint index, GLenum pname, + GLint * params ) +{ + __GLXcontext * 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 ) { + if ( ! get_attrib_array_data( state, index, pname, params ) ) { + if (reply.size == 1) { + *params = (GLint) reply.pad3; + } + else { + _XRead(dpy, (void *) params, 4 * reply.size); + } + } + } + + UnlockDisplay(dpy); + SyncHandle(); +} + + +void __indirect_glGetVertexAttribfvARB( GLuint index, GLenum pname, + GLfloat * params ) +{ + __GLXcontext * 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_glGetVertexAttribdvARB( GLuint index, GLenum pname, + GLdouble * params ) +{ + __GLXcontext * 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(); +} |