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09714c09a40501d82823e42f7461d7b8d7bf11c0
third_party_mesa3d/src/mesa/main/varray.c
Jordan Justen 09714c09a4 mesa: add support for using API_OPENGL_CORE 
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
2012-07-30 16:18:57 -07:00

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/*
* Mesa 3-D graphics library
* Version: 7.6
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL 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 "glheader.h"
#include "imports.h"
#include "bufferobj.h"
#include "context.h"
#include "enable.h"
#include "enums.h"
#include "hash.h"
#include "image.h"
#include "macros.h"
#include "mfeatures.h"
#include "mtypes.h"
#include "varray.h"
#include "arrayobj.h"
#include "main/dispatch.h"
/** Used to do error checking for GL_EXT_vertex_array_bgra */
#define BGRA_OR_4 5
/** Used to indicate which GL datatypes are accepted by each of the
* glVertex/Color/Attrib/EtcPointer() functions.
*/
#define BOOL_BIT 0x1
#define BYTE_BIT 0x2
#define UNSIGNED_BYTE_BIT 0x4
#define SHORT_BIT 0x8
#define UNSIGNED_SHORT_BIT 0x10
#define INT_BIT 0x20
#define UNSIGNED_INT_BIT 0x40
#define HALF_BIT 0x80
#define FLOAT_BIT 0x100
#define DOUBLE_BIT 0x200
#define FIXED_ES_BIT 0x400
#define FIXED_GL_BIT 0x800
#define UNSIGNED_INT_2_10_10_10_REV_BIT 0x1000
#define INT_2_10_10_10_REV_BIT 0x2000
/** Convert GL datatype enum into a <type>_BIT value seen above */
static GLbitfield
type_to_bit(const struct gl_context *ctx, GLenum type)
{
switch (type) {
case GL_BOOL:
return BOOL_BIT;
case GL_BYTE:
return BYTE_BIT;
case GL_UNSIGNED_BYTE:
return UNSIGNED_BYTE_BIT;
case GL_SHORT:
return SHORT_BIT;
case GL_UNSIGNED_SHORT:
return UNSIGNED_SHORT_BIT;
case GL_INT:
return INT_BIT;
case GL_UNSIGNED_INT:
return UNSIGNED_INT_BIT;
case GL_HALF_FLOAT:
if (ctx->Extensions.ARB_half_float_vertex)
return HALF_BIT;
else
return 0x0;
case GL_FLOAT:
return FLOAT_BIT;
case GL_DOUBLE:
return DOUBLE_BIT;
case GL_FIXED:
return _mesa_is_desktop_gl(ctx) ? FIXED_GL_BIT : FIXED_ES_BIT;
case GL_UNSIGNED_INT_2_10_10_10_REV:
return UNSIGNED_INT_2_10_10_10_REV_BIT;
case GL_INT_2_10_10_10_REV:
return INT_2_10_10_10_REV_BIT;
default:
return 0;
}
}
/**
* Do error checking and update state for glVertex/Color/TexCoord/...Pointer
* functions.
*
* \param func name of calling function used for error reporting
* \param attrib the attribute array index to update
* \param legalTypes bitmask of *_BIT above indicating legal datatypes
* \param sizeMin min allowable size value
* \param sizeMax max allowable size value (may also be BGRA_OR_4)
* \param size components per element (1, 2, 3 or 4)
* \param type datatype of each component (GL_FLOAT, GL_INT, etc)
* \param stride stride between elements, in elements
* \param normalized are integer types converted to floats in [-1, 1]?
* \param integer integer-valued values (will not be normalized to [-1,1])
* \param ptr the address (or offset inside VBO) of the array data
*/
static void
update_array(struct gl_context *ctx,
const char *func,
GLuint attrib, GLbitfield legalTypesMask,
GLint sizeMin, GLint sizeMax,
GLint size, GLenum type, GLsizei stride,
GLboolean normalized, GLboolean integer,
const GLvoid *ptr)
{
struct gl_client_array *array;
GLbitfield typeBit;
GLsizei elementSize;
GLenum format = GL_RGBA;
if (ctx->API != API_OPENGLES && ctx->API != API_OPENGLES2) {
/* fixed point arrays / data is only allowed with OpenGL ES 1.x/2.0 */
legalTypesMask &= ~FIXED_ES_BIT;
}
if (!ctx->Extensions.ARB_ES2_compatibility) {
legalTypesMask &= ~FIXED_GL_BIT;
}
if (!ctx->Extensions.ARB_vertex_type_2_10_10_10_rev) {
legalTypesMask &= ~(UNSIGNED_INT_2_10_10_10_REV_BIT |
INT_2_10_10_10_REV_BIT);
}
typeBit = type_to_bit(ctx, type);
if (typeBit == 0x0 || (typeBit & legalTypesMask) == 0x0) {
_mesa_error(ctx, GL_INVALID_ENUM, "%s(type = %s)",
func, _mesa_lookup_enum_by_nr(type));
return;
}
/* Do size parameter checking.
* If sizeMax = BGRA_OR_4 it means that size = GL_BGRA is legal and
* must be handled specially.
*/
if (ctx->Extensions.EXT_vertex_array_bgra &&
sizeMax == BGRA_OR_4 &&
size == GL_BGRA) {
GLboolean bgra_error = GL_FALSE;
if (ctx->Extensions.ARB_vertex_type_2_10_10_10_rev) {
if (type != GL_UNSIGNED_INT_2_10_10_10_REV &&
type != GL_INT_2_10_10_10_REV &&
type != GL_UNSIGNED_BYTE)
bgra_error = GL_TRUE;
} else if (type != GL_UNSIGNED_BYTE)
bgra_error = GL_TRUE;
if (bgra_error) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(GL_BGRA/GLubyte)", func);
return;
}
format = GL_BGRA;
size = 4;
}
else if (size < sizeMin || size > sizeMax || size > 4) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d)", func, size);
return;
}
if (ctx->Extensions.ARB_vertex_type_2_10_10_10_rev &&
(type == GL_UNSIGNED_INT_2_10_10_10_REV ||
type == GL_INT_2_10_10_10_REV) && size != 4) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(size=%d)", func, size);
return;
}
ASSERT(size <= 4);
if (stride < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "%s(stride=%d)", func, stride );
return;
}
if (ctx->Array.ArrayObj->ARBsemantics &&
!_mesa_is_bufferobj(ctx->Array.ArrayBufferObj)) {
/* GL_ARB_vertex_array_object requires that all arrays reside in VBOs.
* Generate GL_INVALID_OPERATION if that's not true.
*/
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-VBO array)", func);
return;
}
elementSize = _mesa_sizeof_type(type) * size;
array = &ctx->Array.ArrayObj->VertexAttrib[attrib];
array->Size = size;
array->Type = type;
array->Format = format;
array->Stride = stride;
array->StrideB = stride ? stride : elementSize;
array->Normalized = normalized;
array->Integer = integer;
array->Ptr = (const GLubyte *) ptr;
array->_ElementSize = elementSize;
_mesa_reference_buffer_object(ctx, &array->BufferObj,
ctx->Array.ArrayBufferObj);
ctx->NewState |= _NEW_ARRAY;
ctx->Array.ArrayObj->NewArrays |= VERT_BIT(attrib);
}
void GLAPIENTRY
_mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
{
GLbitfield legalTypes = (SHORT_BIT | INT_BIT | FLOAT_BIT |
DOUBLE_BIT | HALF_BIT | FIXED_ES_BIT |
UNSIGNED_INT_2_10_10_10_REV_BIT |
INT_2_10_10_10_REV_BIT);
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (ctx->API == API_OPENGLES)
legalTypes |= BYTE_BIT;
update_array(ctx, "glVertexPointer", VERT_ATTRIB_POS,
legalTypes, 2, 4,
size, type, stride, GL_FALSE, GL_FALSE, ptr);
}
void GLAPIENTRY
_mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr )
{
const GLbitfield legalTypes = (BYTE_BIT | SHORT_BIT | INT_BIT |
HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
FIXED_ES_BIT |
UNSIGNED_INT_2_10_10_10_REV_BIT |
INT_2_10_10_10_REV_BIT);
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
update_array(ctx, "glNormalPointer", VERT_ATTRIB_NORMAL,
legalTypes, 3, 3,
3, type, stride, GL_TRUE, GL_FALSE, ptr);
}
void GLAPIENTRY
_mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
{
const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
SHORT_BIT | UNSIGNED_SHORT_BIT |
INT_BIT | UNSIGNED_INT_BIT |
HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
FIXED_ES_BIT |
UNSIGNED_INT_2_10_10_10_REV_BIT |
INT_2_10_10_10_REV_BIT);
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
update_array(ctx, "glColorPointer", VERT_ATTRIB_COLOR0,
legalTypes, 3, BGRA_OR_4,
size, type, stride, GL_TRUE, GL_FALSE, ptr);
}
void GLAPIENTRY
_mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr)
{
const GLbitfield legalTypes = (HALF_BIT | FLOAT_BIT | DOUBLE_BIT);
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
update_array(ctx, "glFogCoordPointer", VERT_ATTRIB_FOG,
legalTypes, 1, 1,
1, type, stride, GL_FALSE, GL_FALSE, ptr);
}
void GLAPIENTRY
_mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr)
{
const GLbitfield legalTypes = (UNSIGNED_BYTE_BIT | SHORT_BIT | INT_BIT |
FLOAT_BIT | DOUBLE_BIT);
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
update_array(ctx, "glIndexPointer", VERT_ATTRIB_COLOR_INDEX,
legalTypes, 1, 1,
1, type, stride, GL_FALSE, GL_FALSE, ptr);
}
void GLAPIENTRY
_mesa_SecondaryColorPointerEXT(GLint size, GLenum type,
GLsizei stride, const GLvoid *ptr)
{
const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
SHORT_BIT | UNSIGNED_SHORT_BIT |
INT_BIT | UNSIGNED_INT_BIT |
HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
UNSIGNED_INT_2_10_10_10_REV_BIT |
INT_2_10_10_10_REV_BIT);
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
update_array(ctx, "glSecondaryColorPointer", VERT_ATTRIB_COLOR1,
legalTypes, 3, BGRA_OR_4,
size, type, stride, GL_TRUE, GL_FALSE, ptr);
}
void GLAPIENTRY
_mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
const GLvoid *ptr)
{
GLbitfield legalTypes = (SHORT_BIT | INT_BIT |
HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
FIXED_ES_BIT |
UNSIGNED_INT_2_10_10_10_REV_BIT |
INT_2_10_10_10_REV_BIT);
GET_CURRENT_CONTEXT(ctx);
const GLuint unit = ctx->Array.ActiveTexture;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (ctx->API == API_OPENGLES)
legalTypes |= BYTE_BIT;
update_array(ctx, "glTexCoordPointer", VERT_ATTRIB_TEX(unit),
legalTypes, 1, 4,
size, type, stride, GL_FALSE, GL_FALSE,
ptr);
}
void GLAPIENTRY
_mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr)
{
const GLbitfield legalTypes = UNSIGNED_BYTE_BIT;
/* see table 2.4 edits in GL_EXT_gpu_shader4 spec: */
const GLboolean integer = GL_TRUE;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
update_array(ctx, "glEdgeFlagPointer", VERT_ATTRIB_EDGEFLAG,
legalTypes, 1, 1,
1, GL_UNSIGNED_BYTE, stride, GL_FALSE, integer, ptr);
}
void GLAPIENTRY
_mesa_PointSizePointer(GLenum type, GLsizei stride, const GLvoid *ptr)
{
const GLbitfield legalTypes = (FLOAT_BIT | FIXED_ES_BIT);
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (ctx->API != API_OPENGLES) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPointSizePointer(ES 1.x only)");
return;
}
update_array(ctx, "glPointSizePointer", VERT_ATTRIB_POINT_SIZE,
legalTypes, 1, 1,
1, type, stride, GL_FALSE, GL_FALSE, ptr);
}
#if FEATURE_NV_vertex_program
/**
* Set a vertex attribute array.
* Note that these arrays DO alias the conventional GL vertex arrays
* (position, normal, color, fog, texcoord, etc).
* The generic attribute slots at #16 and above are not touched.
*/
void GLAPIENTRY
_mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
GLsizei stride, const GLvoid *ptr)
{
const GLbitfield legalTypes = (UNSIGNED_BYTE_BIT | SHORT_BIT |
FLOAT_BIT | DOUBLE_BIT);
GLboolean normalized = GL_FALSE;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
_mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(index)");
return;
}
if (type == GL_UNSIGNED_BYTE && size != 4) {
_mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(size!=4)");
return;
}
update_array(ctx, "glVertexAttribPointerNV", VERT_ATTRIB_GENERIC(index),
legalTypes, 1, BGRA_OR_4,
size, type, stride, normalized, GL_FALSE, ptr);
}
#endif
#if FEATURE_ARB_vertex_program
/**
* Set a generic vertex attribute array.
* Note that these arrays DO NOT alias the conventional GL vertex arrays
* (position, normal, color, fog, texcoord, etc).
*/
void GLAPIENTRY
_mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type,
GLboolean normalized,
GLsizei stride, const GLvoid *ptr)
{
const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
SHORT_BIT | UNSIGNED_SHORT_BIT |
INT_BIT | UNSIGNED_INT_BIT |
HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
FIXED_ES_BIT | FIXED_GL_BIT |
UNSIGNED_INT_2_10_10_10_REV_BIT |
INT_2_10_10_10_REV_BIT);
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index >= ctx->Const.VertexProgram.MaxAttribs) {
_mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(index)");
return;
}
update_array(ctx, "glVertexAttribPointer", VERT_ATTRIB_GENERIC(index),
legalTypes, 1, BGRA_OR_4,
size, type, stride, normalized, GL_FALSE, ptr);
}
#endif
/**
* GL_EXT_gpu_shader4 / GL 3.0.
* Set an integer-valued vertex attribute array.
* Note that these arrays DO NOT alias the conventional GL vertex arrays
* (position, normal, color, fog, texcoord, etc).
*/
void GLAPIENTRY
_mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
GLsizei stride, const GLvoid *ptr)
{
const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
SHORT_BIT | UNSIGNED_SHORT_BIT |
INT_BIT | UNSIGNED_INT_BIT);
const GLboolean normalized = GL_FALSE;
const GLboolean integer = GL_TRUE;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index >= ctx->Const.VertexProgram.MaxAttribs) {
_mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribIPointer(index)");
return;
}
update_array(ctx, "glVertexAttribIPointer", VERT_ATTRIB_GENERIC(index),
legalTypes, 1, 4,
size, type, stride, normalized, integer, ptr);
}
void GLAPIENTRY
_mesa_EnableVertexAttribArrayARB(GLuint index)
{
struct gl_array_object *arrayObj;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index >= ctx->Const.VertexProgram.MaxAttribs) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glEnableVertexAttribArrayARB(index)");
return;
}
arrayObj = ctx->Array.ArrayObj;
ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib));
if (!arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) {
/* was disabled, now being enabled */
FLUSH_VERTICES(ctx, _NEW_ARRAY);
arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_TRUE;
arrayObj->_Enabled |= VERT_BIT_GENERIC(index);
arrayObj->NewArrays |= VERT_BIT_GENERIC(index);
}
}
void GLAPIENTRY
_mesa_DisableVertexAttribArrayARB(GLuint index)
{
struct gl_array_object *arrayObj;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index >= ctx->Const.VertexProgram.MaxAttribs) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glDisableVertexAttribArrayARB(index)");
return;
}
arrayObj = ctx->Array.ArrayObj;
ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib));
if (arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) {
/* was enabled, now being disabled */
FLUSH_VERTICES(ctx, _NEW_ARRAY);
arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_FALSE;
arrayObj->_Enabled &= ~VERT_BIT_GENERIC(index);
arrayObj->NewArrays |= VERT_BIT_GENERIC(index);
}
}
/**
* Return info for a vertex attribute array (no alias with legacy
* vertex attributes (pos, normal, color, etc)). This function does
* not handle the 4-element GL_CURRENT_VERTEX_ATTRIB_ARB query.
*/
static GLuint
get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname,
const char *caller)
{
const struct gl_client_array *array;
if (index >= ctx->Const.VertexProgram.MaxAttribs) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)", caller, index);
return 0;
}
ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib));
array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)];
switch (pname) {
case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB:
return array->Enabled;
case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB:
return array->Size;
case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB:
return array->Stride;
case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB:
return array->Type;
case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB:
return array->Normalized;
case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
return array->BufferObj->Name;
case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
if (ctx->VersionMajor >= 3 || ctx->Extensions.EXT_gpu_shader4) {
return array->Integer;
}
goto error;
case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB:
if (ctx->Extensions.ARB_instanced_arrays) {
return array->InstanceDivisor;
}
goto error;
default:
; /* fall-through */
}
error:
_mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", caller, pname);
return 0;
}
static const GLfloat *
get_current_attrib(struct gl_context *ctx, GLuint index, const char *function)
{
if (index == 0) {
if (ctx->API != API_OPENGLES2) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(index==0)", function);
return NULL;
}
}
else if (index >= ctx->Const.VertexProgram.MaxAttribs) {
_mesa_error(ctx, GL_INVALID_VALUE,
"%s(index>=GL_MAX_VERTEX_ATTRIBS)", function);
return NULL;
}
ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib));
FLUSH_CURRENT(ctx, 0);
return ctx->Current.Attrib[VERT_ATTRIB_GENERIC(index)];
}
void GLAPIENTRY
_mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribfv");
if (v != NULL) {
COPY_4V(params, v);
}
}
else {
params[0] = (GLfloat) get_vertex_array_attrib(ctx, index, pname,
"glGetVertexAttribfv");
}
}
void GLAPIENTRY
_mesa_GetVertexAttribdvARB(GLuint index, GLenum pname, GLdouble *params)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribdv");
if (v != NULL) {
params[0] = (GLdouble) v[0];
params[1] = (GLdouble) v[1];
params[2] = (GLdouble) v[2];
params[3] = (GLdouble) v[3];
}
}
else {
params[0] = (GLdouble) get_vertex_array_attrib(ctx, index, pname,
"glGetVertexAttribdv");
}
}
void GLAPIENTRY
_mesa_GetVertexAttribivARB(GLuint index, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribiv");
if (v != NULL) {
/* XXX should floats in[0,1] be scaled to full int range? */
params[0] = (GLint) v[0];
params[1] = (GLint) v[1];
params[2] = (GLint) v[2];
params[3] = (GLint) v[3];
}
}
else {
params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname,
"glGetVertexAttribiv");
}
}
/** GL 3.0 */
void GLAPIENTRY
_mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
const GLfloat *v =
get_current_attrib(ctx, index, "glGetVertexAttribIiv");
if (v != NULL) {
/* XXX we don't have true integer-valued vertex attribs yet */
params[0] = (GLint) v[0];
params[1] = (GLint) v[1];
params[2] = (GLint) v[2];
params[3] = (GLint) v[3];
}
}
else {
params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname,
"glGetVertexAttribIiv");
}
}
/** GL 3.0 */
void GLAPIENTRY
_mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
const GLfloat *v =
get_current_attrib(ctx, index, "glGetVertexAttribIuiv");
if (v != NULL) {
/* XXX we don't have true integer-valued vertex attribs yet */
params[0] = (GLuint) v[0];
params[1] = (GLuint) v[1];
params[2] = (GLuint) v[2];
params[3] = (GLuint) v[3];
}
}
else {
params[0] = get_vertex_array_attrib(ctx, index, pname,
"glGetVertexAttribIuiv");
}
}
void GLAPIENTRY
_mesa_GetVertexAttribPointervARB(GLuint index, GLenum pname, GLvoid **pointer)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index >= ctx->Const.VertexProgram.MaxAttribs) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerARB(index)");
return;
}
if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerARB(pname)");
return;
}
ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib));
*pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Ptr;
}
void GLAPIENTRY
_mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
GLsizei count, const GLvoid *ptr)
{
(void) count;
_mesa_VertexPointer(size, type, stride, ptr);
}
void GLAPIENTRY
_mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
const GLvoid *ptr)
{
(void) count;
_mesa_NormalPointer(type, stride, ptr);
}
void GLAPIENTRY
_mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
const GLvoid *ptr)
{
(void) count;
_mesa_ColorPointer(size, type, stride, ptr);
}
void GLAPIENTRY
_mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
const GLvoid *ptr)
{
(void) count;
_mesa_IndexPointer(type, stride, ptr);
}
void GLAPIENTRY
_mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
GLsizei count, const GLvoid *ptr)
{
(void) count;
_mesa_TexCoordPointer(size, type, stride, ptr);
}
void GLAPIENTRY
_mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr)
{
(void) count;
_mesa_EdgeFlagPointer(stride, ptr);
}
void GLAPIENTRY
_mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer)
{
GET_CURRENT_CONTEXT(ctx);
GLboolean tflag, cflag, nflag; /* enable/disable flags */
GLint tcomps, ccomps, vcomps; /* components per texcoord, color, vertex */
GLenum ctype = 0; /* color type */
GLint coffset = 0, noffset = 0, voffset;/* color, normal, vertex offsets */
const GLint toffset = 0; /* always zero */
GLint defstride; /* default stride */
GLint c, f;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
f = sizeof(GLfloat);
c = f * ((4 * sizeof(GLubyte) + (f - 1)) / f);
if (stride < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glInterleavedArrays(stride)" );
return;
}
switch (format) {
case GL_V2F:
tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 0; ccomps = 0; vcomps = 2;
voffset = 0;
defstride = 2*f;
break;
case GL_V3F:
tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 0; ccomps = 0; vcomps = 3;
voffset = 0;
defstride = 3*f;
break;
case GL_C4UB_V2F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 0; ccomps = 4; vcomps = 2;
ctype = GL_UNSIGNED_BYTE;
coffset = 0;
voffset = c;
defstride = c + 2*f;
break;
case GL_C4UB_V3F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 0; ccomps = 4; vcomps = 3;
ctype = GL_UNSIGNED_BYTE;
coffset = 0;
voffset = c;
defstride = c + 3*f;
break;
case GL_C3F_V3F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 0; ccomps = 3; vcomps = 3;
ctype = GL_FLOAT;
coffset = 0;
voffset = 3*f;
defstride = 6*f;
break;
case GL_N3F_V3F:
tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_TRUE;
tcomps = 0; ccomps = 0; vcomps = 3;
noffset = 0;
voffset = 3*f;
defstride = 6*f;
break;
case GL_C4F_N3F_V3F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_TRUE;
tcomps = 0; ccomps = 4; vcomps = 3;
ctype = GL_FLOAT;
coffset = 0;
noffset = 4*f;
voffset = 7*f;
defstride = 10*f;
break;
case GL_T2F_V3F:
tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 2; ccomps = 0; vcomps = 3;
voffset = 2*f;
defstride = 5*f;
break;
case GL_T4F_V4F:
tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 4; ccomps = 0; vcomps = 4;
voffset = 4*f;
defstride = 8*f;
break;
case GL_T2F_C4UB_V3F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 2; ccomps = 4; vcomps = 3;
ctype = GL_UNSIGNED_BYTE;
coffset = 2*f;
voffset = c+2*f;
defstride = c+5*f;
break;
case GL_T2F_C3F_V3F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 2; ccomps = 3; vcomps = 3;
ctype = GL_FLOAT;
coffset = 2*f;
voffset = 5*f;
defstride = 8*f;
break;
case GL_T2F_N3F_V3F:
tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_TRUE;
tcomps = 2; ccomps = 0; vcomps = 3;
noffset = 2*f;
voffset = 5*f;
defstride = 8*f;
break;
case GL_T2F_C4F_N3F_V3F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
tcomps = 2; ccomps = 4; vcomps = 3;
ctype = GL_FLOAT;
coffset = 2*f;
noffset = 6*f;
voffset = 9*f;
defstride = 12*f;
break;
case GL_T4F_C4F_N3F_V4F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
tcomps = 4; ccomps = 4; vcomps = 4;
ctype = GL_FLOAT;
coffset = 4*f;
noffset = 8*f;
voffset = 11*f;
defstride = 15*f;
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glInterleavedArrays(format)" );
return;
}
if (stride==0) {
stride = defstride;
}
_mesa_DisableClientState( GL_EDGE_FLAG_ARRAY );
_mesa_DisableClientState( GL_INDEX_ARRAY );
/* XXX also disable secondary color and generic arrays? */
/* Texcoords */
if (tflag) {
_mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY );
_mesa_TexCoordPointer( tcomps, GL_FLOAT, stride,
(GLubyte *) pointer + toffset );
}
else {
_mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY );
}
/* Color */
if (cflag) {
_mesa_EnableClientState( GL_COLOR_ARRAY );
_mesa_ColorPointer( ccomps, ctype, stride,
(GLubyte *) pointer + coffset );
}
else {
_mesa_DisableClientState( GL_COLOR_ARRAY );
}
/* Normals */
if (nflag) {
_mesa_EnableClientState( GL_NORMAL_ARRAY );
_mesa_NormalPointer( GL_FLOAT, stride, (GLubyte *) pointer + noffset );
}
else {
_mesa_DisableClientState( GL_NORMAL_ARRAY );
}
/* Vertices */
_mesa_EnableClientState( GL_VERTEX_ARRAY );
_mesa_VertexPointer( vcomps, GL_FLOAT, stride,
(GLubyte *) pointer + voffset );
}
void GLAPIENTRY
_mesa_LockArraysEXT(GLint first, GLsizei count)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glLockArrays %d %d\n", first, count);
if (first < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(first)" );
return;
}
if (count <= 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(count)" );
return;
}
if (ctx->Array.LockCount != 0) {
_mesa_error( ctx, GL_INVALID_OPERATION, "glLockArraysEXT(reentry)" );
return;
}
ctx->Array.LockFirst = first;
ctx->Array.LockCount = count;
ctx->NewState |= _NEW_ARRAY;
}
void GLAPIENTRY
_mesa_UnlockArraysEXT( void )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glUnlockArrays\n");
if (ctx->Array.LockCount == 0) {
_mesa_error( ctx, GL_INVALID_OPERATION, "glUnlockArraysEXT(reexit)" );
return;
}
ctx->Array.LockFirst = 0;
ctx->Array.LockCount = 0;
ctx->NewState |= _NEW_ARRAY;
}
/* GL_EXT_multi_draw_arrays */
void GLAPIENTRY
_mesa_MultiDrawArraysEXT( GLenum mode, const GLint *first,
const GLsizei *count, GLsizei primcount )
{
GET_CURRENT_CONTEXT(ctx);
GLint i;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
for (i = 0; i < primcount; i++) {
if (count[i] > 0) {
CALL_DrawArrays(ctx->Exec, (mode, first[i], count[i]));
}
}
}
/* GL_IBM_multimode_draw_arrays */
void GLAPIENTRY
_mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
const GLsizei * count,
GLsizei primcount, GLint modestride )
{
GET_CURRENT_CONTEXT(ctx);
GLint i;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
for ( i = 0 ; i < primcount ; i++ ) {
if ( count[i] > 0 ) {
GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride));
CALL_DrawArrays(ctx->Exec, ( m, first[i], count[i] ));
}
}
}
/* GL_IBM_multimode_draw_arrays */
void GLAPIENTRY
_mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
GLenum type, const GLvoid * const * indices,
GLsizei primcount, GLint modestride )
{
GET_CURRENT_CONTEXT(ctx);
GLint i;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
/* XXX not sure about ARB_vertex_buffer_object handling here */
for ( i = 0 ; i < primcount ; i++ ) {
if ( count[i] > 0 ) {
GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride));
CALL_DrawElements(ctx->Exec, ( m, count[i], type, indices[i] ));
}
}
}
/**
* GL_NV_primitive_restart and GL 3.1
*/
void GLAPIENTRY
_mesa_PrimitiveRestartIndex(GLuint index)
{
GET_CURRENT_CONTEXT(ctx);
if (!ctx->Extensions.NV_primitive_restart &&
ctx->VersionMajor * 10 + ctx->VersionMinor < 31) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glPrimitiveRestartIndexNV()");
return;
}
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (ctx->Array.RestartIndex != index) {
FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
ctx->Array.RestartIndex = index;
}
}
/**
* See GL_ARB_instanced_arrays.
* Note that the instance divisor only applies to generic arrays, not
* the legacy vertex arrays.
*/
void GLAPIENTRY
_mesa_VertexAttribDivisor(GLuint index, GLuint divisor)
{
struct gl_client_array *array;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (!ctx->Extensions.ARB_instanced_arrays) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glVertexAttribDivisor()");
return;
}
if (index >= ctx->Const.VertexProgram.MaxAttribs) {
_mesa_error(ctx, GL_INVALID_ENUM, "glVertexAttribDivisor(index = %u)",
index);
return;
}
ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib));
array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)];
if (array->InstanceDivisor != divisor) {
FLUSH_VERTICES(ctx, _NEW_ARRAY);
array->InstanceDivisor = divisor;
ctx->Array.ArrayObj->NewArrays |= VERT_BIT(VERT_ATTRIB_GENERIC(index));
}
}
/**
* Copy one client vertex array to another.
*/
void
_mesa_copy_client_array(struct gl_context *ctx,
struct gl_client_array *dst,
struct gl_client_array *src)
{
dst->Size = src->Size;
dst->Type = src->Type;
dst->Format = src->Format;
dst->Stride = src->Stride;
dst->StrideB = src->StrideB;
dst->Ptr = src->Ptr;
dst->Enabled = src->Enabled;
dst->Normalized = src->Normalized;
dst->Integer = src->Integer;
dst->InstanceDivisor = src->InstanceDivisor;
dst->_ElementSize = src->_ElementSize;
_mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj);
dst->_MaxElement = src->_MaxElement;
}
/**
* Print vertex array's fields.
*/
static void
print_array(const char *name, GLint index, const struct gl_client_array *array)
{
if (index >= 0)
printf(" %s[%d]: ", name, index);
else
printf(" %s: ", name);
printf("Ptr=%p, Type=0x%x, Size=%d, ElemSize=%u, Stride=%d, Buffer=%u(Size %lu), MaxElem=%u\n",
array->Ptr, array->Type, array->Size,
array->_ElementSize, array->StrideB,
array->BufferObj->Name, (unsigned long) array->BufferObj->Size,
array->_MaxElement);
}
/**
* Print current vertex object/array info. For debug.
*/
void
_mesa_print_arrays(struct gl_context *ctx)
{
struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
GLuint i;
_mesa_update_array_object_max_element(ctx, arrayObj);
printf("Array Object %u\n", arrayObj->Name);
if (arrayObj->VertexAttrib[VERT_ATTRIB_POS].Enabled)
print_array("Vertex", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_POS]);
if (arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL].Enabled)
print_array("Normal", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL]);
if (arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0].Enabled)
print_array("Color", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0]);
for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++)
if (arrayObj->VertexAttrib[VERT_ATTRIB_TEX(i)].Enabled)
print_array("TexCoord", i, &arrayObj->VertexAttrib[VERT_ATTRIB_TEX(i)]);
for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; i++)
if (arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(i)].Enabled)
print_array("Attrib", i, &arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(i)]);
printf(" _MaxElement = %u\n", arrayObj->_MaxElement);
}
/**
* Initialize vertex array state for given context.
*/
void
_mesa_init_varray(struct gl_context *ctx)
{
ctx->Array.DefaultArrayObj = ctx->Driver.NewArrayObject(ctx, 0);
_mesa_reference_array_object(ctx, &ctx->Array.ArrayObj,
ctx->Array.DefaultArrayObj);
ctx->Array.ActiveTexture = 0; /* GL_ARB_multitexture */
ctx->Array.Objects = _mesa_NewHashTable();
}
/**
* Callback for deleting an array object. Called by _mesa_HashDeleteAll().
*/
static void
delete_arrayobj_cb(GLuint id, void *data, void *userData)
{
struct gl_array_object *arrayObj = (struct gl_array_object *) data;
struct gl_context *ctx = (struct gl_context *) userData;
_mesa_delete_array_object(ctx, arrayObj);
}
/**
* Free vertex array state for given context.
*/
void
_mesa_free_varray_data(struct gl_context *ctx)
{
_mesa_HashDeleteAll(ctx->Array.Objects, delete_arrayobj_cb, ctx);
_mesa_DeleteHashTable(ctx->Array.Objects);
}
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