diff options
Diffstat (limited to 'src/mesa/main/get.c')
| -rw-r--r-- | src/mesa/main/get.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c index 982f64a08ac..75d77c80b0a 100644 --- a/src/mesa/main/get.c +++ b/src/mesa/main/get.c @@ -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 |