diff options
Diffstat (limited to 'src/glx/indirect_vertex_program.c')
-rw-r--r-- | src/glx/indirect_vertex_program.c | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/src/glx/indirect_vertex_program.c b/src/glx/indirect_vertex_program.c new file mode 100644 index 00000000000..3313ac008a5 --- /dev/null +++ b/src/glx/indirect_vertex_program.c @@ -0,0 +1,293 @@ +/* + * (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__ || __GNUC__ < 3 +# define __builtin_expect(x, y) x +#endif + +static 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) { + 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_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(); +} |