/**
* Get a vertex (or vertex array) attribute.
* \note Not compiled into display lists.
* \note Called from the GL API dispatcher.
*/
void _mesa_GetVertexAttribivNV(GLuint index, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index == 0 || index >= VP_NUM_INPUT_REGS) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
return;
}
switch (pname) {
case GL_ATTRIB_ARRAY_SIZE_NV:
params[0] = ctx->Array.VertexAttrib[index].Size;
break;
case GL_ATTRIB_ARRAY_STRIDE_NV:
params[0] = ctx->Array.VertexAttrib[index].Stride;
break;
case GL_ATTRIB_ARRAY_TYPE_NV:
params[0] = ctx->Array.VertexAttrib[index].Type;
break;
case GL_CURRENT_ATTRIB_NV:
FLUSH_CURRENT(ctx, 0);
COPY_4V_CAST(params, ctx->Current.Attrib[index], GLint);
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
return;
}
}
void GLAPIENTRY
_mesa_GetVertexAttribivARB(GLuint index, GLenum pname, GLint *params)
{
GLfloat fparams[4];
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
_mesa_GetVertexAttribfvARB(index, pname, fparams);
if (ctx->ErrorValue == GL_NO_ERROR) {
if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
COPY_4V_CAST(params, fparams, GLint); /* float to int */
}
else {
params[0] = (GLint) fparams[0];
}
}
}
/**
* Set a program parameter register.
* \note Called from the GL API dispatcher.
*/
void _mesa_ProgramParameter4dvNV(GLenum target, GLuint index,
const GLdouble *params)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (target != GL_VERTEX_PROGRAM_NV) {
_mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameter4dvNV");
return;
}
if (index >= VP_NUM_PROG_REGS) {
_mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameter4dvNV");
return;
}
index += VP_PROG_REG_START;
COPY_4V_CAST(ctx->VertexProgram.Machine.Registers[index], params, GLfloat);
}
