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> |
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#if !defined(__GNUC__) |
# define __builtin_expect(x, y) x |
#endif |
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static void |
do_vertex_attrib_enable(GLuint index, GLboolean val) |
{ |
struct glx_context *gc = __glXGetCurrentContext(); |
__GLXattribute *state = (__GLXattribute *) (gc->client_state_private); |
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if (!__glXSetArrayEnable(state, GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB, |
index, val)) { |
__glXSetError(gc, GL_INVALID_ENUM); |
} |
} |
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void |
__indirect_glEnableVertexAttribArray(GLuint index) |
{ |
do_vertex_attrib_enable(index, GL_TRUE); |
} |
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void |
__indirect_glDisableVertexAttribArray(GLuint index) |
{ |
do_vertex_attrib_enable(index, GL_FALSE); |
} |
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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; |
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if (__builtin_expect(dpy != NULL, 1)) { |
GLubyte const *pc = __glXSetupVendorRequest(gc, |
X_GLXVendorPrivateWithReply, |
opcode, cmdlen); |
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*((GLenum *) (pc + 0)) = target; |
*((GLuint *) (pc + 4)) = index; |
*((GLuint *) (pc + 8)) = 0; |
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(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); |
} |
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void |
__indirect_glGetProgramEnvParameterdvARB(GLenum target, GLuint index, |
GLdouble * params) |
{ |
get_parameter(1297, 8, target, index, params); |
} |
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void |
__indirect_glGetProgramLocalParameterfvARB(GLenum target, GLuint index, |
GLfloat * params) |
{ |
get_parameter(1305, 4, target, index, params); |
} |
|
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void |
__indirect_glGetProgramLocalParameterdvARB(GLenum target, GLuint index, |
GLdouble * params) |
{ |
get_parameter(1306, 8, target, index, params); |
} |
|
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void |
__indirect_glGetVertexAttribPointerv(GLuint index, GLenum pname, |
GLvoid ** pointer) |
{ |
struct glx_context *const gc = __glXGetCurrentContext(); |
__GLXattribute *state = (__GLXattribute *) (gc->client_state_private); |
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if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB) { |
__glXSetError(gc, GL_INVALID_ENUM); |
} |
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if (!__glXGetArrayPointer(state, GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB, |
index, pointer)) { |
__glXSetError(gc, GL_INVALID_VALUE); |
} |
} |
|
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/** |
* 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; |
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switch (cap) { |
case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB: |
retval = __glXGetArrayEnable(state, attrib, index, data); |
break; |
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case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB: |
retval = __glXGetArraySize(state, attrib, index, data); |
break; |
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case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB: |
retval = __glXGetArrayStride(state, attrib, index, data); |
break; |
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case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB: |
retval = __glXGetArrayType(state, attrib, index, data); |
break; |
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case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB: |
retval = __glXGetArrayNormalized(state, attrib, index, data); |
break; |
} |
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return retval; |
} |
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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); |
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*((uint32_t *) (pc + 0)) = index; |
*((uint32_t *) (pc + 4)) = pname; |
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(void) _XReply(dpy, reply, 0, False); |
} |
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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; |
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get_vertex_attrib(gc, 1303, index, pname, (xReply *) & reply); |
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if (reply.size != 0) { |
GLintptr data; |
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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); |
} |
} |
} |
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UnlockDisplay(dpy); |
SyncHandle(); |
} |
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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; |
|
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get_vertex_attrib(gc, 1302, index, pname, (xReply *) & reply); |
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if (reply.size != 0) { |
GLintptr data; |
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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); |
} |
} |
} |
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UnlockDisplay(dpy); |
SyncHandle(); |
} |
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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; |
|
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get_vertex_attrib(gc, 1301, index, pname, (xReply *) & reply); |
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if (reply.size != 0) { |
GLintptr data; |
|
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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); |
} |
} |
} |
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UnlockDisplay(dpy); |
SyncHandle(); |
} |