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mesa: implement glGetUnsignedByte{v|i_v}

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These are used by EXT_external_objects to present UUIDs for the device
and the driver.

v2 (Timothy Arceri):
 - remove extra break
 - use _mesa_problem() rather the _mesa_error() for unimplemented
   support for value types

Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Andres Rodriguez
2017-07-12 18:45:22 -04:00
committed by Timothy Arceri
parent 921bdf1b6d
commit e064d66020
1 changed files with 174 additions and 0 deletions
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174
src/mesa/main/get.c
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@@ -1431,6 +1431,72 @@ static const int transpose[] = {
3, 7, 11, 15
};
static GLsizei
get_value_size(enum value_type type, const union value *v)
{
switch (type) {
case TYPE_INVALID:
return 0;
case TYPE_CONST:
case TYPE_UINT:
case TYPE_INT:
return sizeof(GLint);
case TYPE_INT_2:
case TYPE_UINT_2:
return sizeof(GLint) * 2;
case TYPE_INT_3:
case TYPE_UINT_3:
return sizeof(GLint) * 3;
case TYPE_INT_4:
case TYPE_UINT_4:
return sizeof(GLint) * 4;
case TYPE_INT_N:
return sizeof(GLint) * v->value_int_n.n;
case TYPE_INT64:
return sizeof(GLint64);
break;
case TYPE_ENUM:
return sizeof(GLenum);
case TYPE_ENUM_2:
return sizeof(GLenum) * 2;
case TYPE_BOOLEAN:
return sizeof(GLboolean);
case TYPE_BIT_0:
case TYPE_BIT_1:
case TYPE_BIT_2:
case TYPE_BIT_3:
case TYPE_BIT_4:
case TYPE_BIT_5:
case TYPE_BIT_6:
case TYPE_BIT_7:
return 1;
case TYPE_FLOAT:
case TYPE_FLOATN:
return sizeof(GLfloat);
case TYPE_FLOAT_2:
case TYPE_FLOATN_2:
return sizeof(GLfloat) * 2;
case TYPE_FLOAT_3:
case TYPE_FLOATN_3:
return sizeof(GLfloat) * 3;
case TYPE_FLOAT_4:
case TYPE_FLOATN_4:
return sizeof(GLfloat) * 4;
case TYPE_FLOAT_8:
return sizeof(GLfloat) * 8;
case TYPE_DOUBLEN:
return sizeof(GLdouble);
case TYPE_DOUBLEN_2:
return sizeof(GLdouble) * 2;
case TYPE_MATRIX:
return sizeof (GLfloat) * 16;
case TYPE_MATRIX_T:
return sizeof (GLfloat) * 16;
default:
return -1;
}
}
void GLAPIENTRY
_mesa_GetBooleanv(GLenum pname, GLboolean *params)
{
@@ -1949,7 +2015,69 @@ _mesa_GetDoublev(GLenum pname, GLdouble *params)
void GLAPIENTRY
_mesa_GetUnsignedBytevEXT(GLenum pname, GLubyte *data)
{
const struct value_desc *d;
union value v;
int shift;
void *p;
GLsizei size;
const char *func = "glGetUnsignedBytevEXT";
GET_CURRENT_CONTEXT(ctx);
d = find_value(func, pname, &p, &v);
size = get_value_size(d->type, &v);
if (size >= 0) {
_mesa_problem(ctx, "invalid value type in GetUnsignedBytevEXT()");
}
switch (d->type) {
case TYPE_BIT_0:
case TYPE_BIT_1:
case TYPE_BIT_2:
case TYPE_BIT_3:
case TYPE_BIT_4:
case TYPE_BIT_5:
case TYPE_BIT_6:
case TYPE_BIT_7:
shift = d->type - TYPE_BIT_0;
data[0] = (*(GLbitfield *) p >> shift) & 1;
break;
case TYPE_CONST:
memcpy(data, &d->offset, size);
break;
case TYPE_INT_N:
memcpy(data, &v.value_int_n.ints, size);
break;
case TYPE_UINT:
case TYPE_INT:
case TYPE_INT_2:
case TYPE_UINT_2:
case TYPE_INT_3:
case TYPE_UINT_3:
case TYPE_INT_4:
case TYPE_UINT_4:
case TYPE_INT64:
case TYPE_ENUM:
case TYPE_ENUM_2:
case TYPE_BOOLEAN:
case TYPE_FLOAT:
case TYPE_FLOATN:
case TYPE_FLOAT_2:
case TYPE_FLOATN_2:
case TYPE_FLOAT_3:
case TYPE_FLOATN_3:
case TYPE_FLOAT_4:
case TYPE_FLOATN_4:
case TYPE_FLOAT_8:
case TYPE_DOUBLEN:
case TYPE_DOUBLEN_2:
case TYPE_MATRIX:
case TYPE_MATRIX_T:
memcpy(data, p, size);
break;
default:
break; /* nothing - GL error was recorded */
}
}
/**
@@ -2660,7 +2788,53 @@ _mesa_GetDoublei_v(GLenum pname, GLuint index, GLdouble *params)
void GLAPIENTRY
_mesa_GetUnsignedBytei_vEXT(GLenum target, GLuint index, GLubyte *data)
{
GLsizei size;
union value v;
enum value_type type;
const char *func = "glGetUnsignedBytei_vEXT";
GET_CURRENT_CONTEXT(ctx);
type = find_value_indexed(func, target, index, &v);
size = get_value_size(type, &v);
if (size <= 0) {
_mesa_problem(ctx, "invalid value type in GetUnsignedBytei_vEXT()");
}
switch (type) {
case TYPE_UINT:
case TYPE_INT:
case TYPE_INT_2:
case TYPE_UINT_2:
case TYPE_INT_3:
case TYPE_UINT_3:
case TYPE_INT_4:
case TYPE_UINT_4:
case TYPE_INT64:
case TYPE_ENUM:
case TYPE_ENUM_2:
case TYPE_BOOLEAN:
case TYPE_FLOAT:
case TYPE_FLOATN:
case TYPE_FLOAT_2:
case TYPE_FLOATN_2:
case TYPE_FLOAT_3:
case TYPE_FLOATN_3:
case TYPE_FLOAT_4:
case TYPE_FLOATN_4:
case TYPE_FLOAT_8:
case TYPE_DOUBLEN:
case TYPE_DOUBLEN_2:
case TYPE_MATRIX:
case TYPE_MATRIX_T:
memcpy(data, &v.value_int, size);
break;
case TYPE_INT_N:
memcpy(data, &v.value_int_n.ints, size);
break;
default:
break; /* nothing - GL error was recorded */
}
}
void GLAPIENTRY