/**
* Construct the GL_EXTENSIONS string. Called the first time that
* glGetString(GL_EXTENSIONS) is called.
*/
GLubyte *
_mesa_make_extension_string( GLcontext *ctx )
{
const GLboolean *base = (const GLboolean *) &ctx->Extensions;
GLuint extStrLen = 0;
GLubyte *s;
GLuint i;
/* first, compute length of the extension string */
for (i = 0 ; i < Elements(default_extensions) ; i++) {
if (!default_extensions[i].flag_offset ||
*(base + default_extensions[i].flag_offset)) {
extStrLen += (GLuint)_mesa_strlen(default_extensions[i].name) + 1;
}
}
s = (GLubyte *) _mesa_malloc(extStrLen);
/* second, build the extension string */
extStrLen = 0;
for (i = 0 ; i < Elements(default_extensions) ; i++) {
if (!default_extensions[i].flag_offset ||
*(base + default_extensions[i].flag_offset)) {
GLuint len = (GLuint)_mesa_strlen(default_extensions[i].name);
_mesa_memcpy(s + extStrLen, default_extensions[i].name, len);
extStrLen += len;
s[extStrLen] = (GLubyte) ' ';
extStrLen++;
}
}
ASSERT(extStrLen > 0);
s[extStrLen - 1] = 0;
return s;
}
/**
* Get a program attribute.
* \note Not compiled into display lists.
* \note Called from the GL API dispatcher.
*/
void GLAPIENTRY
_mesa_GetProgramivNV(GLuint id, GLenum pname, GLint *params)
{
struct gl_program *prog;
GET_CURRENT_CONTEXT(ctx);
if (!ctx->_CurrentProgram)
ASSERT_OUTSIDE_BEGIN_END(ctx);
prog = _mesa_lookup_program(ctx, id);
if (!prog) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramivNV");
return;
}
switch (pname) {
case GL_PROGRAM_TARGET_NV:
*params = prog->Target;
return;
case GL_PROGRAM_LENGTH_NV:
*params = prog->String ?(GLint)_mesa_strlen((char *) prog->String) : 0;
return;
case GL_PROGRAM_RESIDENT_NV:
*params = prog->Resident;
return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivNV(pname)");
return;
}
}
void GLAPIENTRY
_mesa_GetProgramStringARB(GLenum target, GLenum pname, GLvoid *string)
{
const struct gl_program *prog;
char *dst = (char *) string;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (target == GL_VERTEX_PROGRAM_ARB) {
prog = &(ctx->VertexProgram.Current->Base);
}
else if (target == GL_FRAGMENT_PROGRAM_ARB) {
prog = &(ctx->FragmentProgram.Current->Base);
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringARB(target)");
return;
}
ASSERT(prog);
if (pname != GL_PROGRAM_STRING_ARB) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringARB(pname)");
return;
}
if (prog->String)
_mesa_memcpy(dst, prog->String, _mesa_strlen((char *) prog->String));
else
*dst = '\0';
}
/**
* Get the program source code.
* \note Not compiled into display lists.
* \note Called from the GL API dispatcher.
*/
void GLAPIENTRY
_mesa_GetProgramStringNV(GLuint id, GLenum pname, GLubyte *program)
{
struct gl_program *prog;
GET_CURRENT_CONTEXT(ctx);
if (!ctx->_CurrentProgram)
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname != GL_PROGRAM_STRING_NV) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringNV(pname)");
return;
}
prog = _mesa_lookup_program(ctx, id);
if (!prog) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramStringNV");
return;
}
if (prog->String) {
MEMCPY(program, prog->String, _mesa_strlen((char *) prog->String));
}
else {
program[0] = 0;
}
}
/**
* Lookup a parameter value by name in the given parameter list.
* \return pointer to the float[4] values.
*/
GLfloat *
_mesa_lookup_parameter_value(struct program_parameter_list *paramList,
GLsizei nameLen, const char *name)
{
GLuint i;
if (!paramList)
return NULL;
if (nameLen == -1) {
/* name is null-terminated */
for (i = 0; i < paramList->NumParameters; i++) {
if (_mesa_strcmp(paramList->Parameters[i].Name, name) == 0)
return paramList->Parameters[i].Values;
}
}
else {
/* name is not null-terminated, use nameLen */
for (i = 0; i < paramList->NumParameters; i++) {
if (_mesa_strncmp(paramList->Parameters[i].Name, name, nameLen) == 0
&& _mesa_strlen(paramList->Parameters[i].Name) == (size_t)nameLen)
return paramList->Parameters[i].Values;
}
}
return NULL;
}
/**
* Get the program source code.
* \note Not compiled into display lists.
* \note Called from the GL API dispatcher.
*/
void _mesa_GetProgramStringNV(GLuint id, GLenum pname, GLubyte *program)
{
struct vp_program *vprog;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname != GL_PROGRAM_STRING_NV) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivNV(pname)");
return;
}
vprog = (struct vp_program *)
_mesa_HashLookup(ctx->Shared->VertexPrograms, id);
if (!vprog) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramivNV");
return;
}
if (vprog->String) {
MEMCPY(program, vprog->String, _mesa_strlen((char *) vprog->String));
}
else {
program[0] = 0;
}
}
/**
* Get a program attribute.
* \note Not compiled into display lists.
* \note Called from the GL API dispatcher.
*/
void _mesa_GetProgramivNV(GLuint id, GLenum pname, GLint *params)
{
struct vp_program *vprog;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
vprog = (struct vp_program *)
_mesa_HashLookup(ctx->Shared->VertexPrograms, id);
if (!vprog) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramivNV");
return;
}
switch (pname) {
case GL_PROGRAM_TARGET_NV:
*params = vprog->Target;
return;
case GL_PROGRAM_LENGTH_NV:
*params = vprog->String ? _mesa_strlen((char *) vprog->String) : 0;
return;
case GL_PROGRAM_RESIDENT_NV:
*params = vprog->Resident;
return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivNV(pname)");
return;
}
}
/**
* Lookup a parameter index by name in the given parameter list.
* \return index of parameter in the list.
*/
GLint
_mesa_lookup_parameter_index(struct program_parameter_list *paramList,
GLsizei nameLen, const char *name)
{
GLint i;
if (!paramList)
return -1;
if (nameLen == -1) {
/* name is null-terminated */
for (i = 0; i < (GLint) paramList->NumParameters; i++) {
if (_mesa_strcmp(paramList->Parameters[i].Name, name) == 0)
return i;
}
}
else {
/* name is not null-terminated, use nameLen */
for (i = 0; i < (GLint) paramList->NumParameters; i++) {
if (_mesa_strncmp(paramList->Parameters[i].Name, name, nameLen) == 0
&& _mesa_strlen(paramList->Parameters[i].Name) == (size_t)nameLen)
return i;
}
}
return -1;
}
/**
* Get next token from input stream but don't increment stream pointer.
*/
static GLboolean
Peek_Token(struct parse_state *parseState, GLubyte *token)
{
GLint i, len;
i = GetToken(parseState, token);
if (i <= 0) {
parseState->pos += (-i);
return GL_FALSE;
}
len = _mesa_strlen((const char *) token);
parseState->pos += (i - len);
return GL_TRUE;
}
/**
* Clone string, storing in current mempool.
*/
char *
_slang_strdup(const char *s)
{
if (s) {
size_t l = _mesa_strlen(s);
char *s2 = (char *) _slang_alloc(l + 1);
if (s2)
_mesa_strcpy(s2, s);
return s2;
}
else {
return NULL;
}
}
/**
* Find longest name of all uniform parameters in list.
*/
GLuint
_mesa_longest_parameter_name(const struct gl_program_parameter_list *list,
enum register_file type)
{
GLuint i, maxLen = 0;
if (!list)
return 0;
for (i = 0; i < list->NumParameters; i++) {
if (list->Parameters[i].Type == type) {
GLuint len = _mesa_strlen(list->Parameters[i].Name);
if (len > maxLen)
maxLen = len;
}
}
return maxLen;
}
static GLvoid
pp_annotate (slang_string *output, const char *fmt, ...)
{
#if PP_ANNOTATE
va_list va;
char buffer[1024];
va_start (va, fmt);
_mesa_vsprintf (buffer, fmt, va);
va_end (va);
slang_string_pushs (output, buffer, _mesa_strlen (buffer));
#else
(GLvoid) (output);
(GLvoid) (fmt);
#endif
}
static GLboolean
parse_if (slang_string *output, const byte *prod, GLuint *pi, GLint *result, pp_state *state,
grammar eid)
{
const char *text;
GLuint len;
text = (const char *) (&prod[*pi]);
len = _mesa_strlen (text);
if (state->cond.top->effective) {
slang_string expr;
GLuint count;
GLint results[2];
expand_state es;
/* Expand the expression. */
slang_string_init (&expr);
es.output = &expr;
es.input = text;
es.state = state;
if (!expand (&es, &state->symbols))
return GL_FALSE;
/* Execute the expression. */
count = execute_expressions (output, eid, (const byte *) (slang_string_cstr (&expr)),
results, state->elog);
slang_string_free (&expr);
if (count != 1)
return GL_FALSE;
*result = results[0];
}
else {
/* The directive is dead. */
*result = 0;
}
*pi += len + 1;
return GL_TRUE;
}
void GLAPIENTRY
_mesa_GetProgramivARB(GLenum target, GLenum pname, GLint *params)
{
struct program *prog;
GET_CURRENT_CONTEXT(ctx);
if (!ctx->_CurrentProgram)
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (target == GL_VERTEX_PROGRAM_ARB
&& ctx->Extensions.ARB_vertex_program) {
prog = &(ctx->VertexProgram.Current->Base);
}
else if (target == GL_FRAGMENT_PROGRAM_ARB
&& ctx->Extensions.ARB_fragment_program) {
prog = &(ctx->FragmentProgram.Current->Base);
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)");
return;
}
ASSERT(prog);
switch (pname) {
case GL_PROGRAM_LENGTH_ARB:
*params = prog->String ? (GLint)_mesa_strlen((char *) prog->String) : 0;
break;
case GL_PROGRAM_FORMAT_ARB:
*params = prog->Format;
break;
case GL_PROGRAM_BINDING_ARB:
*params = prog->Id;
break;
case GL_PROGRAM_INSTRUCTIONS_ARB:
*params = prog->NumInstructions;
break;
case GL_MAX_PROGRAM_INSTRUCTIONS_ARB:
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramInstructions;
else
*params = ctx->Const.MaxFragmentProgramInstructions;
break;
case GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB:
*params = prog->NumInstructions;
break;
case GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB:
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramInstructions;
else
*params = ctx->Const.MaxFragmentProgramInstructions;
break;
case GL_PROGRAM_TEMPORARIES_ARB:
*params = prog->NumTemporaries;
break;
case GL_MAX_PROGRAM_TEMPORARIES_ARB:
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramTemps;
else
*params = ctx->Const.MaxFragmentProgramTemps;
break;
case GL_PROGRAM_NATIVE_TEMPORARIES_ARB:
/* XXX same as GL_PROGRAM_TEMPORARIES_ARB? */
*params = prog->NumTemporaries;
break;
case GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB:
/* XXX same as GL_MAX_PROGRAM_TEMPORARIES_ARB? */
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramTemps;
else
*params = ctx->Const.MaxFragmentProgramTemps;
break;
case GL_PROGRAM_PARAMETERS_ARB:
*params = prog->NumParameters;
break;
case GL_MAX_PROGRAM_PARAMETERS_ARB:
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramLocalParams;
else
*params = ctx->Const.MaxFragmentProgramLocalParams;
break;
case GL_PROGRAM_NATIVE_PARAMETERS_ARB:
/* XXX same as GL_MAX_PROGRAM_PARAMETERS_ARB? */
*params = prog->NumParameters;
break;
case GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB:
/* XXX same as GL_MAX_PROGRAM_PARAMETERS_ARB? */
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramLocalParams;
else
*params = ctx->Const.MaxFragmentProgramLocalParams;
break;
case GL_PROGRAM_ATTRIBS_ARB:
*params = prog->NumAttributes;
break;
case GL_MAX_PROGRAM_ATTRIBS_ARB:
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramAttribs;
else
*params = ctx->Const.MaxFragmentProgramAttribs;
break;
case GL_PROGRAM_NATIVE_ATTRIBS_ARB:
/* XXX same as GL_PROGRAM_ATTRIBS_ARB? */
*params = prog->NumAttributes;
break;
case GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB:
/* XXX same as GL_MAX_PROGRAM_ATTRIBS_ARB? */
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramAttribs;
else
*params = ctx->Const.MaxFragmentProgramAttribs;
break;
case GL_PROGRAM_ADDRESS_REGISTERS_ARB:
*params = prog->NumAddressRegs;
break;
case GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB:
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramAddressRegs;
else
*params = ctx->Const.MaxFragmentProgramAddressRegs;
break;
case GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB:
/* XXX same as GL_PROGRAM_ADDRESS_REGISTERS_ARB? */
*params = prog->NumAddressRegs;
break;
case GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB:
/* XXX same as GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB? */
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramAddressRegs;
else
*params = ctx->Const.MaxFragmentProgramAddressRegs;
break;
case GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB:
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramLocalParams;
else
*params = ctx->Const.MaxFragmentProgramLocalParams;
break;
case GL_MAX_PROGRAM_ENV_PARAMETERS_ARB:
if (target == GL_VERTEX_PROGRAM_ARB)
*params = ctx->Const.MaxVertexProgramEnvParams;
else
*params = ctx->Const.MaxFragmentProgramEnvParams;
break;
case GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB:
if (ctx->Driver.IsProgramNative)
*params = ctx->Driver.IsProgramNative( ctx, target, prog );
else
*params = GL_TRUE;
break;
/*
* The following apply to fragment programs only.
*/
case GL_PROGRAM_ALU_INSTRUCTIONS_ARB:
case GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB:
if (target != GL_FRAGMENT_PROGRAM_ARB) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)");
return;
}
*params = ctx->FragmentProgram.Current->NumAluInstructions;
break;
case GL_PROGRAM_TEX_INSTRUCTIONS_ARB:
case GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB:
if (target != GL_FRAGMENT_PROGRAM_ARB) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)");
return;
}
*params = ctx->FragmentProgram.Current->NumTexInstructions;
break;
case GL_PROGRAM_TEX_INDIRECTIONS_ARB:
case GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB:
if (target != GL_FRAGMENT_PROGRAM_ARB) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)");
return;
}
*params = ctx->FragmentProgram.Current->NumTexIndirections;
break;
case GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB:
case GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB:
if (target != GL_FRAGMENT_PROGRAM_ARB) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)");
return;
}
*params = ctx->Const.MaxFragmentProgramAluInstructions;
break;
case GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB:
case GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB:
if (target != GL_FRAGMENT_PROGRAM_ARB) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)");
return;
}
*params = ctx->Const.MaxFragmentProgramTexInstructions;
break;
case GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB:
case GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB:
if (target != GL_FRAGMENT_PROGRAM_ARB) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)");
return;
}
*params = ctx->Const.MaxFragmentProgramTexIndirections;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(pname)");
return;
}
}
unsigned int slang_string_length (const char *str)
{
return _mesa_strlen (str);
}
void
_mesa_GetProgramRegisterfvMESA(GLenum target,
GLsizei len, const GLubyte *registerName,
GLfloat *v)
{
char reg[1000];
GET_CURRENT_CONTEXT(ctx);
/* We _should_ be inside glBegin/glEnd */
#if 0
if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramRegisterfvMESA");
return;
}
#endif
/* make null-terminated copy of registerName */
len = MIN2((unsigned int) len, sizeof(reg) - 1);
_mesa_memcpy(reg, registerName, len);
reg[len] = 0;
switch (target) {
case GL_VERTEX_PROGRAM_NV:
if (!ctx->Extensions.ARB_vertex_program &&
!ctx->Extensions.NV_vertex_program) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetProgramRegisterfvMESA(target)");
return;
}
if (!ctx->VertexProgram.Enabled) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetProgramRegisterfvMESA");
return;
}
/* GL_NV_vertex_program */
if (reg[0] == 'R') {
/* Temp register */
GLint i = _mesa_atoi(reg + 1);
if (i >= (GLint)ctx->Const.MaxVertexProgramTemps) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetProgramRegisterfvMESA(registerName)");
return;
}
COPY_4V(v, ctx->VertexProgram.Temporaries[i]);
}
else if (reg[0] == 'v' && reg[1] == '[') {
/* Vertex Input attribute */
GLuint i;
for (i = 0; i < ctx->Const.MaxVertexProgramAttribs; i++) {
const char *name = _mesa_nv_vertex_input_register_name(i);
char number[10];
sprintf(number, "%d", i);
if (_mesa_strncmp(reg + 2, name, 4) == 0 ||
_mesa_strncmp(reg + 2, number, _mesa_strlen(number)) == 0) {
COPY_4V(v, ctx->VertexProgram.Inputs[i]);
return;
}
}
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetProgramRegisterfvMESA(registerName)");
return;
}
else if (reg[0] == 'o' && reg[1] == '[') {
/* Vertex output attribute */
}
/* GL_ARB_vertex_program */
else if (_mesa_strncmp(reg, "vertex.", 7) == 0) {
}
else {
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetProgramRegisterfvMESA(registerName)");
return;
}
break;
case GL_FRAGMENT_PROGRAM_ARB:
if (!ctx->Extensions.ARB_fragment_program) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetProgramRegisterfvMESA(target)");
return;
}
if (!ctx->FragmentProgram.Enabled) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetProgramRegisterfvMESA");
return;
}
/* XXX to do */
break;
case GL_FRAGMENT_PROGRAM_NV:
if (!ctx->Extensions.NV_fragment_program) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetProgramRegisterfvMESA(target)");
return;
}
if (!ctx->FragmentProgram.Enabled) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetProgramRegisterfvMESA");
return;
}
if (reg[0] == 'R') {
/* Temp register */
GLint i = _mesa_atoi(reg + 1);
if (i >= (GLint)ctx->Const.MaxFragmentProgramTemps) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetProgramRegisterfvMESA(registerName)");
return;
}
COPY_4V(v, ctx->FragmentProgram.Machine.Temporaries[i]);
}
else if (reg[0] == 'f' && reg[1] == '[') {
/* Fragment input attribute */
GLuint i;
for (i = 0; i < ctx->Const.MaxFragmentProgramAttribs; i++) {
const char *name = _mesa_nv_fragment_input_register_name(i);
if (_mesa_strncmp(reg + 2, name, 4) == 0) {
COPY_4V(v, ctx->FragmentProgram.Machine.Inputs[i]);
return;
}
}
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetProgramRegisterfvMESA(registerName)");
return;
}
else if (_mesa_strcmp(reg, "o[COLR]") == 0) {
/* Fragment output color */
COPY_4V(v, ctx->FragmentProgram.Machine.Outputs[FRAG_OUTPUT_COLR]);
}
else if (_mesa_strcmp(reg, "o[COLH]") == 0) {
/* Fragment output color */
COPY_4V(v, ctx->FragmentProgram.Machine.Outputs[FRAG_OUTPUT_COLH]);
}
else if (_mesa_strcmp(reg, "o[DEPR]") == 0) {
/* Fragment output depth */
COPY_4V(v, ctx->FragmentProgram.Machine.Outputs[FRAG_OUTPUT_DEPR]);
}
else {
/* try user-defined identifiers */
const GLfloat *value = _mesa_lookup_parameter_value(
ctx->FragmentProgram.Current->Parameters, -1, reg);
if (value) {
COPY_4V(v, value);
}
else {
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetProgramRegisterfvMESA(registerName)");
return;
}
}
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetProgramRegisterfvMESA(target)");
return;
}
}
char *slang_string_concat (char *dst, const char *src)
{
return _mesa_strcpy (dst + _mesa_strlen (dst), src);
}
void GLAPIENTRY
_mesa_GetProgramivARB(GLenum target, GLenum pname, GLint *params)
{
const struct gl_program_constants *limits;
struct gl_program *prog;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (target == GL_VERTEX_PROGRAM_ARB
&& ctx->Extensions.ARB_vertex_program) {
prog = &(ctx->VertexProgram.Current->Base);
limits = &ctx->Const.VertexProgram;
}
else if (target == GL_FRAGMENT_PROGRAM_ARB
&& ctx->Extensions.ARB_fragment_program) {
prog = &(ctx->FragmentProgram.Current->Base);
limits = &ctx->Const.FragmentProgram;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)");
return;
}
ASSERT(prog);
ASSERT(limits);
/* Queries supported for both vertex and fragment programs */
switch (pname) {
case GL_PROGRAM_LENGTH_ARB:
*params
= prog->String ? (GLint) _mesa_strlen((char *) prog->String) : 0;
return;
case GL_PROGRAM_FORMAT_ARB:
*params = prog->Format;
return;
case GL_PROGRAM_BINDING_ARB:
*params = prog->Id;
return;
case GL_PROGRAM_INSTRUCTIONS_ARB:
*params = prog->NumInstructions;
return;
case GL_MAX_PROGRAM_INSTRUCTIONS_ARB:
*params = limits->MaxInstructions;
return;
case GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB:
*params = prog->NumNativeInstructions;
return;
case GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB:
*params = limits->MaxNativeInstructions;
return;
case GL_PROGRAM_TEMPORARIES_ARB:
*params = prog->NumTemporaries;
return;
case GL_MAX_PROGRAM_TEMPORARIES_ARB:
*params = limits->MaxTemps;
return;
case GL_PROGRAM_NATIVE_TEMPORARIES_ARB:
*params = prog->NumNativeTemporaries;
return;
case GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB:
*params = limits->MaxNativeTemps;
return;
case GL_PROGRAM_PARAMETERS_ARB:
*params = prog->NumParameters;
return;
case GL_MAX_PROGRAM_PARAMETERS_ARB:
*params = limits->MaxParameters;
return;
case GL_PROGRAM_NATIVE_PARAMETERS_ARB:
*params = prog->NumNativeParameters;
return;
case GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB:
*params = limits->MaxNativeParameters;
return;
case GL_PROGRAM_ATTRIBS_ARB:
*params = prog->NumAttributes;
return;
case GL_MAX_PROGRAM_ATTRIBS_ARB:
*params = limits->MaxAttribs;
return;
case GL_PROGRAM_NATIVE_ATTRIBS_ARB:
*params = prog->NumNativeAttributes;
return;
case GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB:
*params = limits->MaxNativeAttribs;
return;
case GL_PROGRAM_ADDRESS_REGISTERS_ARB:
*params = prog->NumAddressRegs;
return;
case GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB:
*params = limits->MaxAddressRegs;
return;
case GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB:
*params = prog->NumNativeAddressRegs;
return;
case GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB:
*params = limits->MaxNativeAddressRegs;
return;
case GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB:
*params = limits->MaxLocalParams;
return;
case GL_MAX_PROGRAM_ENV_PARAMETERS_ARB:
*params = limits->MaxEnvParams;
return;
case GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB:
/*
* XXX we may not really need a driver callback here.
* If the number of native instructions, registers, etc. used
* are all below the maximums, we could return true.
* The spec says that even if this query returns true, there's
* no guarantee that the program will run in hardware.
*/
if (prog->Id == 0) {
/* default/null program */
*params = GL_FALSE;
}
else if (ctx->Driver.IsProgramNative) {
/* ask the driver */
*params = ctx->Driver.IsProgramNative( ctx, target, prog );
}
else {
/* probably running in software */
*params = GL_TRUE;
}
return;
default:
/* continue with fragment-program only queries below */
break;
}
/*
* The following apply to fragment programs only (at this time)
*/
if (target == GL_FRAGMENT_PROGRAM_ARB) {
const struct gl_fragment_program *fp = ctx->FragmentProgram.Current;
switch (pname) {
case GL_PROGRAM_ALU_INSTRUCTIONS_ARB:
*params = fp->Base.NumNativeAluInstructions;
return;
case GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB:
*params = fp->Base.NumAluInstructions;
return;
case GL_PROGRAM_TEX_INSTRUCTIONS_ARB:
*params = fp->Base.NumTexInstructions;
return;
case GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB:
*params = fp->Base.NumNativeTexInstructions;
return;
case GL_PROGRAM_TEX_INDIRECTIONS_ARB:
*params = fp->Base.NumTexIndirections;
return;
case GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB:
*params = fp->Base.NumNativeTexIndirections;
return;
case GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB:
*params = limits->MaxAluInstructions;
return;
case GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB:
*params = limits->MaxNativeAluInstructions;
return;
case GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB:
*params = limits->MaxTexInstructions;
return;
case GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB:
*params = limits->MaxNativeTexInstructions;
return;
case GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB:
*params = limits->MaxTexIndirections;
return;
case GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB:
*params = limits->MaxNativeTexIndirections;
return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(pname)");
return;
}
} else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(pname)");
return;
}
}
/**
* Return a string describing the CPU architexture and extensions that
* Mesa is using (such as SSE or Altivec).
* \return information string, free it with _mesa_free()
*/
char *
_mesa_get_cpu_string(void)
{
#define MAX_STRING 50
char *buffer;
buffer = (char *) _mesa_malloc(MAX_STRING);
if (!buffer)
return NULL;
buffer[0] = 0;
#ifdef USE_X86_ASM
if (_mesa_x86_cpu_features) {
strcat(buffer, "x86");
}
# ifdef USE_MMX_ASM
if (cpu_has_mmx) {
strcat(buffer, (cpu_has_mmxext) ? "/MMX+" : "/MMX");
}
# endif
# ifdef USE_3DNOW_ASM
if (cpu_has_3dnow) {
strcat(buffer, (cpu_has_3dnowext) ? "/3DNow!+" : "/3DNow!");
}
# endif
# ifdef USE_SSE_ASM
if (cpu_has_xmm) {
strcat(buffer, (cpu_has_xmm2) ? "/SSE2" : "/SSE");
}
# endif
#elif defined(USE_SPARC_ASM)
strcat(buffer, "SPARC");
#elif defined(USE_PPC_ASM)
if (_mesa_ppc_cpu_features) {
strcat(buffer, (cpu_has_64) ? "PowerPC 64" : "PowerPC");
}
# ifdef USE_VMX_ASM
if (cpu_has_vmx) {
strcat(buffer, "/Altivec");
}
# endif
if (! cpu_has_fpu) {
strcat(buffer, "/No FPU");
}
#endif
assert(_mesa_strlen(buffer) < MAX_STRING);
return buffer;
}
static GLboolean
execute_expression (slang_string *output, const byte *code, GLuint *pi, GLint *result,
slang_info_log *elog)
{
GLuint i = *pi;
GLint stack[EXECUTION_STACK_SIZE];
GLuint sp = EXECUTION_STACK_SIZE;
while (code[i] != OP_END) {
switch (code[i++]) {
case OP_PUSHINT:
i++;
PUSH(_mesa_atoi ((const char *) (&code[i])));
i += _mesa_strlen ((const char *) (&code[i])) + 1;
break;
case OP_LOGICALOR:
BINARY(||);
break;
case OP_LOGICALAND:
BINARY(&&);
break;
case OP_OR:
BINARY(|);
break;
case OP_XOR:
BINARY(^);
break;
case OP_AND:
BINARY(&);
break;
case OP_EQUAL:
BINARY(==);
break;
case OP_NOTEQUAL:
BINARY(!=);
break;
case OP_LESSEQUAL:
BINARY(<=);
break;
case OP_GREATEREQUAL:
BINARY(>=);
break;
case OP_LESS:
BINARY(<);
break;
case OP_GREATER:
BINARY(>);
break;
case OP_LEFTSHIFT:
BINARY(<<);
break;
case OP_RIGHTSHIFT:
BINARY(>>);
break;
case OP_ADD:
BINARY(+);
break;
case OP_SUBTRACT:
BINARY(-);
break;
case OP_MULTIPLY:
BINARY(*);
break;
case OP_DIVIDE:
BINARYDIV(/);
break;
case OP_MODULUS:
BINARYDIV(%);
break;
case OP_PLUS:
UNARY(+);
break;
case OP_MINUS:
UNARY(-);
break;
case OP_NEGATE:
UNARY(!);
break;
case OP_COMPLEMENT:
UNARY(~);
break;
default:
assert (0);
}
}
/* Write-back the index skipping the OP_END. */
*pi = i + 1;
/* There should be exactly one value left on the stack. This is our result. */
POP(*result);
pp_annotate (output, "%d ", *result);
assert (sp == EXECUTION_STACK_SIZE);
return GL_TRUE;
}
static GLboolean
preprocess_source (slang_string *output, const char *source,
grammar pid, grammar eid,
slang_info_log *elog,
const struct gl_extensions *extensions,
struct gl_sl_pragmas *pragmas)
{
static const char *predefined[] = {
"__FILE__",
"__LINE__",
"__VERSION__",
#if FEATURE_es2_glsl
"GL_ES",
"GL_FRAGMENT_PRECISION_HIGH",
#endif
NULL
};
byte *prod;
GLuint size, i;
pp_state state;
if (!grammar_fast_check (pid, (const byte *) (source), &prod, &size, 65536)) {
grammar_error_to_log (elog);
return GL_FALSE;
}
pp_state_init (&state, elog, extensions);
pp_pragmas_init (pragmas);
/* add the predefined symbols to the symbol table */
for (i = 0; predefined[i]; i++) {
pp_symbol *symbol = NULL;
symbol = pp_symbols_push(&state.symbols);
assert(symbol);
slang_string_pushs(&symbol->name,
predefined[i], _mesa_strlen(predefined[i]));
}
i = 0;
while (i < size) {
if (prod[i] != ESCAPE_TOKEN) {
if (state.cond.top->effective) {
slang_string input;
expand_state es;
/* Eat only one line of source code to expand it.
* FIXME: This approach has one drawback. If a macro with parameters spans across
* multiple lines, the preprocessor will raise an error. */
slang_string_init (&input);
while (prod[i] != '\0' && prod[i] != '\n')
slang_string_pushc (&input, prod[i++]);
if (prod[i] != '\0')
slang_string_pushc (&input, prod[i++]);
/* Increment line number. */
state.line++;
es.output = output;
es.input = slang_string_cstr (&input);
es.state = &state;
if (!expand (&es, &state.symbols))
goto error;
slang_string_free (&input);
}
else {
/* Condition stack is disabled - keep track on line numbers and output only newlines. */
if (prod[i] == '\n') {
state.line++;
/*pp_annotate (output, "%c", prod[i]);*/
}
else {
/*pp_annotate (output, "%c", prod[i]);*/
}
i++;
}
}
else {
const char *id;
GLuint idlen;
GLubyte token;
i++;
token = prod[i++];
switch (token) {
case TOKEN_END:
/* End of source string.
* Check if all #ifs have been terminated by matching #endifs.
* On condition stack there should be only the global condition context. */
if (state.cond.top->endif_required) {
slang_info_log_error (elog, "end of source without matching #endif.");
return GL_FALSE;
}
break;
case TOKEN_DEFINE:
{
pp_symbol *symbol = NULL;
/* Parse macro name. */
id = (const char *) (&prod[i]);
idlen = _mesa_strlen (id);
if (state.cond.top->effective) {
pp_annotate (output, "// #define %s(", id);
/* If the symbol is already defined, override it. */
symbol = pp_symbols_find (&state.symbols, id);
if (symbol == NULL) {
symbol = pp_symbols_push (&state.symbols);
if (symbol == NULL)
goto error;
slang_string_pushs (&symbol->name, id, idlen);
}
else {
pp_symbol_reset (symbol);
}
}
i += idlen + 1;
/* Parse optional macro parameters. */
while (prod[i++] != PARAM_END) {
pp_symbol *param;
id = (const char *) (&prod[i]);
idlen = _mesa_strlen (id);
if (state.cond.top->effective) {
pp_annotate (output, "%s, ", id);
param = pp_symbols_push (&symbol->parameters);
if (param == NULL)
goto error;
slang_string_pushs (¶m->name, id, idlen);
}
i += idlen + 1;
}
/* Parse macro replacement. */
id = (const char *) (&prod[i]);
idlen = _mesa_strlen (id);
if (state.cond.top->effective) {
slang_string replacement;
expand_state es;
pp_annotate (output, ") %s", id);
slang_string_init(&replacement);
slang_string_pushs(&replacement, id, idlen);
/* Expand macro replacement. */
es.output = &symbol->replacement;
es.input = slang_string_cstr(&replacement);
es.state = &state;
if (!expand(&es, &state.symbols)) {
slang_string_free(&replacement);
goto error;
}
slang_string_free(&replacement);
}
i += idlen + 1;
}
break;
case TOKEN_UNDEF:
id = (const char *) (&prod[i]);
i += _mesa_strlen (id) + 1;
if (state.cond.top->effective) {
pp_symbol *symbol;
pp_annotate (output, "// #undef %s", id);
/* Try to find symbol with given name and remove it. */
symbol = pp_symbols_find (&state.symbols, id);
if (symbol != NULL)
if (!pp_symbols_erase (&state.symbols, symbol))
goto error;
}
break;
case TOKEN_IF:
{
GLint result;
/* Parse #if expression end execute it. */
pp_annotate (output, "// #if ");
if (!parse_if (output, prod, &i, &result, &state, eid))
goto error;
/* Push new condition on the stack. */
if (!pp_cond_stack_push (&state.cond, state.elog))
goto error;
state.cond.top->current = result ? GL_TRUE : GL_FALSE;
state.cond.top->else_allowed = GL_TRUE;
state.cond.top->endif_required = GL_TRUE;
pp_cond_stack_reevaluate (&state.cond);
}
break;
case TOKEN_ELSE:
/* Check if #else is alloved here. */
if (!state.cond.top->else_allowed) {
slang_info_log_error (elog, "#else without matching #if.");
goto error;
}
/* Negate current condition and reevaluate it. */
state.cond.top->current = !state.cond.top->current;
state.cond.top->else_allowed = GL_FALSE;
pp_cond_stack_reevaluate (&state.cond);
if (state.cond.top->effective)
pp_annotate (output, "// #else");
break;
case TOKEN_ELIF:
/* Check if #elif is alloved here. */
if (!state.cond.top->else_allowed) {
slang_info_log_error (elog, "#elif without matching #if.");
goto error;
}
/* Negate current condition and reevaluate it. */
state.cond.top->current = !state.cond.top->current;
pp_cond_stack_reevaluate (&state.cond);
if (state.cond.top->effective)
pp_annotate (output, "// #elif ");
{
GLint result;
/* Parse #elif expression end execute it. */
if (!parse_if (output, prod, &i, &result, &state, eid))
goto error;
/* Update current condition and reevaluate it. */
state.cond.top->current = result ? GL_TRUE : GL_FALSE;
pp_cond_stack_reevaluate (&state.cond);
}
break;
case TOKEN_ENDIF:
/* Check if #endif is alloved here. */
if (!state.cond.top->endif_required) {
slang_info_log_error (elog, "#endif without matching #if.");
goto error;
}
/* Pop the condition off the stack. */
state.cond.top++;
if (state.cond.top->effective)
pp_annotate (output, "// #endif");
break;
case TOKEN_EXTENSION:
/* Parse the extension name. */
id = (const char *) (&prod[i]);
i += _mesa_strlen (id) + 1;
if (state.cond.top->effective)
pp_annotate (output, "// #extension %s: ", id);
/* Parse and apply extension behavior. */
if (state.cond.top->effective) {
switch (prod[i++]) {
case BEHAVIOR_REQUIRE:
pp_annotate (output, "require");
if (!pp_ext_set (&state.ext, id, GL_TRUE)) {
if (_mesa_strcmp (id, "all") == 0) {
slang_info_log_error (elog, "require: bad behavior for #extension all.");
goto error;
}
else {
slang_info_log_error (elog, "%s: required extension is not supported.", id);
goto error;
}
}
break;
case BEHAVIOR_ENABLE:
pp_annotate (output, "enable");
if (!pp_ext_set (&state.ext, id, GL_TRUE)) {
if (_mesa_strcmp (id, "all") == 0) {
slang_info_log_error (elog, "enable: bad behavior for #extension all.");
goto error;
}
else {
slang_info_log_warning (elog, "%s: enabled extension is not supported.", id);
}
}
break;
case BEHAVIOR_WARN:
pp_annotate (output, "warn");
if (!pp_ext_set (&state.ext, id, GL_TRUE)) {
if (_mesa_strcmp (id, "all") != 0) {
slang_info_log_warning (elog, "%s: enabled extension is not supported.", id);
}
}
break;
case BEHAVIOR_DISABLE:
pp_annotate (output, "disable");
if (!pp_ext_set (&state.ext, id, GL_FALSE)) {
if (_mesa_strcmp (id, "all") == 0) {
pp_ext_disable_all (&state.ext);
}
else {
slang_info_log_warning (elog, "%s: disabled extension is not supported.", id);
}
}
break;
default:
assert (0);
}
}
break;
case TOKEN_PRAGMA:
{
GLint have_param;
const char *pragma, *param;
pragma = (const char *) (&prod[i]);
i += _mesa_strlen(pragma) + 1;
have_param = (prod[i++] == PRAGMA_PARAM);
if (have_param) {
param = (const char *) (&prod[i]);
i += _mesa_strlen(param) + 1;
}
else {
param = NULL;
}
pp_pragma(pragmas, pragma, param);
}
break;
case TOKEN_LINE:
id = (const char *) (&prod[i]);
i += _mesa_strlen (id) + 1;
if (state.cond.top->effective) {
slang_string buffer;
GLuint count;
GLint results[2];
expand_state es;
slang_string_init (&buffer);
state.line++;
es.output = &buffer;
es.input = id;
es.state = &state;
if (!expand (&es, &state.symbols))
goto error;
pp_annotate (output, "// #line ");
count = execute_expressions (output, eid,
(const byte *) (slang_string_cstr (&buffer)),
results, state.elog);
slang_string_free (&buffer);
if (count == 0)
goto error;
state.line = results[0] - 1;
if (count == 2)
state.file = results[1];
}
break;
}
}
}
/* Check for missing #endifs. */
if (state.cond.top->endif_required) {
slang_info_log_error (elog, "#endif expected but end of source found.");
goto error;
}
grammar_alloc_free(prod);
pp_state_free (&state);
return GL_TRUE;
error:
grammar_alloc_free(prod);
pp_state_free (&state);
return GL_FALSE;
}