[gtk+/wip/otte/shader: 106/176] gskslexpression: Move division to the new binary vfuncs
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/wip/otte/shader: 106/176] gskslexpression: Move division to the new binary vfuncs
- Date: Wed, 25 Oct 2017 03:25:38 +0000 (UTC)
commit 15f0c6dd367dcb7a3fa40d31c9cee3ecdfbf1414
Author: Benjamin Otte <otte redhat com>
Date: Sun Oct 8 04:19:29 2017 +0200
gskslexpression: Move division to the new binary vfuncs
gsk/gskslbinary.c | 378 +++++++++++++++++++++++++++++++
gsk/gskslexpression.c | 602 ++++++-------------------------------------------
2 files changed, 445 insertions(+), 535 deletions(-)
---
diff --git a/gsk/gskslbinary.c b/gsk/gskslbinary.c
index d51eb09..b4a510f 100644
--- a/gsk/gskslbinary.c
+++ b/gsk/gskslbinary.c
@@ -413,6 +413,372 @@ static const GskSlBinary GSK_SL_BINARY_MULTIPLICATION = {
gsk_sl_multiplication_write_spv
};
+/* DIVISION */
+
+static GskSlType *
+gsk_sl_arithmetic_check_type (GskSlPreprocessor *preproc,
+ GskSlType *ltype,
+ GskSlType *rtype)
+{
+ GskSlScalarType scalar;
+
+ if (gsk_sl_scalar_type_can_convert (gsk_sl_type_get_scalar_type (ltype),
+ gsk_sl_type_get_scalar_type (rtype)))
+ scalar = gsk_sl_type_get_scalar_type (ltype);
+ else if (gsk_sl_scalar_type_can_convert (gsk_sl_type_get_scalar_type (rtype),
+ gsk_sl_type_get_scalar_type (ltype)))
+ scalar = gsk_sl_type_get_scalar_type (rtype);
+ else
+ {
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
+ "Operand types %s and %s do not share compatible scalar types.",
+ gsk_sl_type_get_name (ltype), gsk_sl_type_get_name (rtype));
+ return NULL;
+ }
+
+ if (gsk_sl_type_is_matrix (ltype))
+ {
+ if (gsk_sl_type_is_matrix (rtype))
+ {
+ if (gsk_sl_type_can_convert (ltype, rtype))
+ {
+ return ltype;
+ }
+ else if (gsk_sl_type_can_convert (rtype, ltype))
+ {
+ return rtype;
+ }
+ else
+ {
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
+ "Matrix types %s and %s have different size.",
+ gsk_sl_type_get_name (ltype), gsk_sl_type_get_name (rtype));
+ return NULL;
+ }
+ }
+ else if (gsk_sl_type_is_vector (rtype))
+ {
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
+ "Cannot perform arithmetic arithmetic between matrix and vector.");
+ return NULL;
+ }
+ else if (gsk_sl_type_is_scalar (rtype))
+ {
+ return gsk_sl_type_get_matrix (scalar,
+ gsk_sl_type_get_length (ltype),
+ gsk_sl_type_get_length (gsk_sl_type_get_index_type (ltype)));
+ }
+ else
+ {
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
+ "Right operand is incompatible type for arithemtic arithmetic.");
+ return NULL;
+ }
+ }
+ else if (gsk_sl_type_is_vector (ltype))
+ {
+ if (gsk_sl_type_is_matrix (rtype))
+ {
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH, "Cannot perform arithmetic arithmetic between
vector and matrix.");
+ return NULL;
+ }
+ else if (gsk_sl_type_is_vector (rtype))
+ {
+ if (gsk_sl_type_get_length (ltype) != gsk_sl_type_get_length (rtype))
+ {
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
+ "Vector operands %s and %s to arithmetic arithmetic have different
length.",
+ gsk_sl_type_get_name (ltype), gsk_sl_type_get_name (rtype));
+ return NULL;
+ }
+ return gsk_sl_type_get_vector (scalar, gsk_sl_type_get_length (ltype));
+ }
+ else if (gsk_sl_type_is_scalar (rtype))
+ {
+ return gsk_sl_type_get_vector (scalar,
+ gsk_sl_type_get_length (ltype));
+ }
+ else
+ {
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
+ "Right operand is incompatible type for arithemtic arithmetic.");
+ return NULL;
+ }
+ }
+ else if (gsk_sl_type_is_scalar (ltype))
+ {
+ if (gsk_sl_type_is_matrix (rtype))
+ {
+ return gsk_sl_type_get_matrix (scalar,
+ gsk_sl_type_get_length (rtype),
+ gsk_sl_type_get_length (gsk_sl_type_get_index_type (rtype)));
+ }
+ else if (gsk_sl_type_is_vector (rtype))
+ {
+ return gsk_sl_type_get_vector (scalar,
+ gsk_sl_type_get_length (rtype));
+ }
+ else if (gsk_sl_type_is_scalar (rtype))
+ {
+ return gsk_sl_type_get_scalar (scalar);
+ }
+ else
+ {
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH, "Right operand is incompatible type for
arithemtic arithmetic.");
+ return NULL;
+ }
+ }
+ else
+ {
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH, "Left operand is incompatible type for arithemtic
arithmetic.");
+ return NULL;
+ }
+}
+
+GSK_SL_BINARY_FUNC_SCALAR(gsk_sl_expression_division_int, gint32, x = y == 0 ? G_MAXINT32 : x / y;)
+GSK_SL_BINARY_FUNC_SCALAR(gsk_sl_expression_division_uint, guint32, x = y == 0 ? G_MAXUINT32 : x / y;)
+GSK_SL_BINARY_FUNC_SCALAR(gsk_sl_expression_division_float, float, x /= y;)
+GSK_SL_BINARY_FUNC_SCALAR(gsk_sl_expression_division_double, double, x /= y;)
+GSK_SL_BINARY_FUNC_SCALAR(gsk_sl_expression_division_int_inv, gint32, x = x == 0 ? G_MAXINT32 : y / x;)
+GSK_SL_BINARY_FUNC_SCALAR(gsk_sl_expression_division_uint_inv, guint32, x = x == 0 ? G_MAXUINT32 : y / x;)
+GSK_SL_BINARY_FUNC_SCALAR(gsk_sl_expression_division_float_inv, float, x = y / x;)
+GSK_SL_BINARY_FUNC_SCALAR(gsk_sl_expression_division_double_inv, double, x = y / x;)
+static void (* div_funcs[]) (gpointer, gpointer) = {
+ [GSK_SL_INT] = gsk_sl_expression_division_int,
+ [GSK_SL_UINT] = gsk_sl_expression_division_uint,
+ [GSK_SL_FLOAT] = gsk_sl_expression_division_float,
+ [GSK_SL_DOUBLE] = gsk_sl_expression_division_double,
+};
+static void (* div_inv_funcs[]) (gpointer, gpointer) = {
+ [GSK_SL_INT] = gsk_sl_expression_division_int_inv,
+ [GSK_SL_UINT] = gsk_sl_expression_division_uint_inv,
+ [GSK_SL_FLOAT] = gsk_sl_expression_division_float_inv,
+ [GSK_SL_DOUBLE] = gsk_sl_expression_division_double_inv,
+};
+
+static GskSlValue *
+gsk_sl_division_get_constant (GskSlType *type,
+ GskSlValue *lvalue,
+ GskSlValue *rvalue)
+{
+ GskSlValue *result;
+ GskSlType *ltype, *rtype;
+ GskSlScalarType scalar;
+ gsize ln, rn;
+
+ scalar = gsk_sl_type_get_scalar_type (type);
+ lvalue = gsk_sl_value_convert_components (lvalue, scalar);
+ rvalue = gsk_sl_value_convert_components (rvalue, scalar);
+ ltype = gsk_sl_value_get_type (lvalue);
+ rtype = gsk_sl_value_get_type (rvalue);
+
+ ln = gsk_sl_type_get_n_components (ltype);
+ rn = gsk_sl_type_get_n_components (rtype);
+ if (ln == 1)
+ {
+ gsk_sl_value_componentwise (rvalue, div_inv_funcs[scalar], gsk_sl_value_get_data (lvalue));
+ gsk_sl_value_free (lvalue);
+ result = rvalue;
+ }
+ else if (rn == 1)
+ {
+ gsk_sl_value_componentwise (lvalue, div_funcs[scalar], gsk_sl_value_get_data (rvalue));
+ gsk_sl_value_free (rvalue);
+ result = lvalue;
+ }
+ else
+ {
+ guchar *ldata, *rdata;
+ gsize i, stride;
+
+ stride = gsk_sl_scalar_type_get_size (scalar);
+ ldata = gsk_sl_value_get_data (lvalue);
+ rdata = gsk_sl_value_get_data (rvalue);
+ for (i = 0; i < ln; i++)
+ {
+ div_funcs[scalar] (ldata + i * stride, rdata + i * stride);
+ }
+ gsk_sl_value_free (rvalue);
+ result = lvalue;
+ }
+
+ return result;
+}
+
+static guint32
+gsk_sl_division_write_spv (GskSpvWriter *writer,
+ GskSlType *type,
+ GskSlType *ltype,
+ guint32 left_id,
+ GskSlType *rtype,
+ guint32 right_id)
+{
+ if (gsk_sl_type_get_scalar_type (ltype) != gsk_sl_type_get_scalar_type (type))
+ {
+ GskSlType *new_type = gsk_sl_type_get_matching (ltype, gsk_sl_type_get_scalar_type (type));
+ left_id = gsk_spv_writer_convert (writer, left_id, ltype, new_type);
+ ltype = new_type;
+ }
+ if (gsk_sl_type_get_scalar_type (rtype) != gsk_sl_type_get_scalar_type (type))
+ {
+ GskSlType *new_type = gsk_sl_type_get_matching (rtype, gsk_sl_type_get_scalar_type (type));
+ right_id = gsk_spv_writer_convert (writer, right_id, rtype, new_type);
+ rtype = new_type;
+ }
+
+ if (gsk_sl_type_is_matrix (ltype))
+ {
+ if (gsk_sl_type_is_matrix (rtype))
+ {
+ GskSlType *col_type = gsk_sl_type_get_index_type (ltype);
+ gsize cols = gsk_sl_type_get_length (ltype);
+ gsize c;
+ guint32 left_part_id, right_part_id, ids[cols];
+
+ for (c = 0; c < cols; c++)
+ {
+ left_part_id = gsk_spv_writer_composite_extract (writer,
+ col_type,
+ left_id,
+ (guint32[1]) { c }, 1);
+ right_part_id = gsk_spv_writer_composite_extract (writer,
+ col_type,
+ right_id,
+ (guint32[1]) { c }, 1);
+ ids[c] = gsk_spv_writer_f_div (writer,
+ col_type,
+ left_part_id,
+ right_part_id);
+ }
+
+ return gsk_spv_writer_composite_construct (writer,
+ type,
+ ids,
+ cols);
+ }
+ else if (gsk_sl_type_is_scalar (rtype))
+ {
+ guint32 tmp_id;
+
+ tmp_id = gsk_spv_writer_f_div (writer,
+ rtype,
+ gsk_spv_writer_get_id_for_one (writer, gsk_sl_type_get_scalar_type
(type)),
+ right_id);
+
+ return gsk_spv_writer_matrix_times_scalar (writer,
+ type,
+ left_id,
+ tmp_id);
+ }
+ else
+ {
+ g_assert_not_reached ();
+ return 0;
+ }
+ }
+ else if (gsk_sl_type_is_matrix (rtype))
+ {
+ guint32 tmp_id;
+
+ tmp_id = gsk_spv_writer_f_div (writer,
+ ltype,
+ gsk_spv_writer_get_id_for_one (writer, gsk_sl_type_get_scalar_type
(type)),
+ left_id);
+ return gsk_spv_writer_matrix_times_scalar (writer,
+ type,
+ right_id,
+ tmp_id);
+ }
+ else
+ {
+ /* ltype and rtype are not matrices */
+
+ if (gsk_sl_type_is_scalar (ltype) && gsk_sl_type_is_vector (rtype))
+ {
+ guint32 tmp_id = gsk_spv_writer_composite_construct (writer,
+ type,
+ (guint32[4]) { left_id, left_id, left_id,
left_id },
+ gsk_sl_type_get_length (rtype));
+ left_id = tmp_id;
+ }
+ else if (gsk_sl_type_is_scalar (rtype) && gsk_sl_type_is_vector (ltype))
+ {
+ guint32 tmp_id = gsk_spv_writer_composite_construct (writer,
+ type,
+ (guint32[4]) { right_id, right_id, right_id,
right_id },
+ gsk_sl_type_get_length (ltype));
+ right_id = tmp_id;
+ }
+
+ /* ltype and rtype have the same number of components now */
+
+ switch (gsk_sl_type_get_scalar_type (type))
+ {
+ case GSK_SL_FLOAT:
+ case GSK_SL_DOUBLE:
+ return gsk_spv_writer_f_div (writer, type, left_id, right_id);
+
+ case GSK_SL_INT:
+ return gsk_spv_writer_s_div (writer, type, left_id, right_id);
+
+ case GSK_SL_UINT:
+ return gsk_spv_writer_u_div (writer, type, left_id, right_id);
+
+ case GSK_SL_VOID:
+ case GSK_SL_BOOL:
+ default:
+ g_assert_not_reached ();
+ return 0;
+ }
+ }
+}
+
+static const GskSlBinary GSK_SL_BINARY_DIVISION = {
+ "/",
+ gsk_sl_arithmetic_check_type,
+ gsk_sl_division_get_constant,
+ gsk_sl_division_write_spv
+};
+
+/* UNIMPLEMENTED */
+
+static GskSlValue *
+gsk_sl_unimplemented_get_constant (GskSlType *type,
+ GskSlValue *lvalue,
+ GskSlValue *rvalue)
+{
+ g_assert_not_reached ();
+
+ return NULL;
+}
+
+static guint32
+gsk_sl_unimplemented_write_spv (GskSpvWriter *writer,
+ GskSlType *type,
+ GskSlType *ltype,
+ guint32 left_id,
+ GskSlType *rtype,
+ guint32 right_id)
+{
+ g_assert_not_reached ();
+
+ return 0;
+}
+
+static const GskSlBinary GSK_SL_BINARY_ADDITION = {
+ "+",
+ gsk_sl_arithmetic_check_type,
+ gsk_sl_unimplemented_get_constant,
+ gsk_sl_unimplemented_write_spv
+};
+
+static const GskSlBinary GSK_SL_BINARY_SUBTRACTION = {
+ "-",
+ gsk_sl_arithmetic_check_type,
+ gsk_sl_unimplemented_get_constant,
+ gsk_sl_unimplemented_write_spv
+};
+
/* API */
const char *
@@ -460,10 +826,22 @@ gsk_sl_binary_get_for_token (GskSlTokenType token)
case GSK_SL_TOKEN_MUL_ASSIGN:
return &GSK_SL_BINARY_MULTIPLICATION;
+ case GSK_SL_TOKEN_SLASH:
case GSK_SL_TOKEN_DIV_ASSIGN:
+ return &GSK_SL_BINARY_DIVISION;
+
+ case GSK_SL_TOKEN_PERCENT:
case GSK_SL_TOKEN_MOD_ASSIGN:
+ return NULL;
+
+ case GSK_SL_TOKEN_PLUS:
case GSK_SL_TOKEN_ADD_ASSIGN:
+ return &GSK_SL_BINARY_ADDITION;
+
+ case GSK_SL_TOKEN_DASH:
case GSK_SL_TOKEN_SUB_ASSIGN:
+ return &GSK_SL_BINARY_SUBTRACTION;
+
case GSK_SL_TOKEN_LEFT_ASSIGN:
case GSK_SL_TOKEN_RIGHT_ASSIGN:
case GSK_SL_TOKEN_AND_ASSIGN:
diff --git a/gsk/gskslexpression.c b/gsk/gskslexpression.c
index 2b855e0..0226313 100644
--- a/gsk/gskslexpression.c
+++ b/gsk/gskslexpression.c
@@ -172,11 +172,11 @@ static const GskSlExpressionClass GSK_SL_EXPRESSION_ASSIGNMENT = {
gsk_sl_expression_assignment_write_spv
};
-/* MULTIPLICATION */
+/* BINARY */
-typedef struct _GskSlExpressionMultiplication GskSlExpressionMultiplication;
+typedef struct _GskSlExpressionBinary GskSlExpressionBinary;
-struct _GskSlExpressionMultiplication {
+struct _GskSlExpressionBinary {
GskSlExpression parent;
const GskSlBinary *binary;
@@ -186,529 +186,81 @@ struct _GskSlExpressionMultiplication {
};
static void
-gsk_sl_expression_multiplication_free (GskSlExpression *expression)
+gsk_sl_expression_binary_free (GskSlExpression *expression)
{
- GskSlExpressionMultiplication *multiplication = (GskSlExpressionMultiplication *) expression;
+ GskSlExpressionBinary *binary = (GskSlExpressionBinary *) expression;
- gsk_sl_expression_unref (multiplication->left);
- gsk_sl_expression_unref (multiplication->right);
- gsk_sl_type_unref (multiplication->type);
+ gsk_sl_expression_unref (binary->left);
+ gsk_sl_expression_unref (binary->right);
+ gsk_sl_type_unref (binary->type);
- g_slice_free (GskSlExpressionMultiplication, multiplication);
+ g_slice_free (GskSlExpressionBinary, binary);
}
static void
-gsk_sl_expression_multiplication_print (const GskSlExpression *expression,
- GskSlPrinter *printer)
+gsk_sl_expression_binary_print (const GskSlExpression *expression,
+ GskSlPrinter *printer)
{
- GskSlExpressionMultiplication *multiplication = (GskSlExpressionMultiplication *) expression;
+ GskSlExpressionBinary *binary = (GskSlExpressionBinary *) expression;
- gsk_sl_expression_print (multiplication->left, printer);
+ gsk_sl_expression_print (binary->left, printer);
gsk_sl_printer_append (printer, " ");
- gsk_sl_printer_append (printer, gsk_sl_binary_get_sign (multiplication->binary));
+ gsk_sl_printer_append (printer, gsk_sl_binary_get_sign (binary->binary));
gsk_sl_printer_append (printer, " ");
- gsk_sl_expression_print (multiplication->right, printer);
+ gsk_sl_expression_print (binary->right, printer);
}
static GskSlType *
-gsk_sl_expression_multiplication_get_return_type (const GskSlExpression *expression)
+gsk_sl_expression_binary_get_return_type (const GskSlExpression *expression)
{
- GskSlExpressionMultiplication *multiplication = (GskSlExpressionMultiplication *) expression;
-
- return multiplication->type;
-}
+ GskSlExpressionBinary *binary = (GskSlExpressionBinary *) expression;
-#define GSK_SL_OPERATION_FUNC_SCALAR(func,type,...) \
-static void \
-func (gpointer value, gpointer scalar) \
-{ \
- type x = *(type *) value; \
- type y = *(type *) scalar; \
- __VA_ARGS__ \
- *(type *) value = x; \
+ return binary->type;
}
-GSK_SL_OPERATION_FUNC_SCALAR(gsk_sl_expression_division_int, gint32, x = y == 0 ? G_MAXINT32 : x / y;)
-GSK_SL_OPERATION_FUNC_SCALAR(gsk_sl_expression_division_uint, guint32, x = y == 0 ? G_MAXUINT32 : x / y;)
-GSK_SL_OPERATION_FUNC_SCALAR(gsk_sl_expression_division_float, float, x /= y;)
-GSK_SL_OPERATION_FUNC_SCALAR(gsk_sl_expression_division_double, double, x /= y;)
-GSK_SL_OPERATION_FUNC_SCALAR(gsk_sl_expression_division_int_inv, gint32, x = x == 0 ? G_MAXINT32 : y / x;)
-GSK_SL_OPERATION_FUNC_SCALAR(gsk_sl_expression_division_uint_inv, guint32, x = x == 0 ? G_MAXUINT32 : y / x;)
-GSK_SL_OPERATION_FUNC_SCALAR(gsk_sl_expression_division_float_inv, float, x = y / x;)
-GSK_SL_OPERATION_FUNC_SCALAR(gsk_sl_expression_division_double_inv, double, x = y / x;)
-static void (* div_funcs[]) (gpointer, gpointer) = {
- [GSK_SL_INT] = gsk_sl_expression_division_int,
- [GSK_SL_UINT] = gsk_sl_expression_division_uint,
- [GSK_SL_FLOAT] = gsk_sl_expression_division_float,
- [GSK_SL_DOUBLE] = gsk_sl_expression_division_double,
-};
-static void (* div_inv_funcs[]) (gpointer, gpointer) = {
- [GSK_SL_INT] = gsk_sl_expression_division_int_inv,
- [GSK_SL_UINT] = gsk_sl_expression_division_uint_inv,
- [GSK_SL_FLOAT] = gsk_sl_expression_division_float_inv,
- [GSK_SL_DOUBLE] = gsk_sl_expression_division_double_inv,
-};
-
static GskSlValue *
-gsk_sl_expression_multiplication_get_constant (const GskSlExpression *expression)
+gsk_sl_expression_binary_get_constant (const GskSlExpression *expression)
{
- const GskSlExpressionMultiplication *multiplication = (const GskSlExpressionMultiplication *) expression;
+ const GskSlExpressionBinary *binary = (const GskSlExpressionBinary *) expression;
GskSlValue *lvalue, *rvalue;
- lvalue = gsk_sl_expression_get_constant (multiplication->left);
+ lvalue = gsk_sl_expression_get_constant (binary->left);
if (lvalue == NULL)
return NULL;
- rvalue = gsk_sl_expression_get_constant (multiplication->right);
+ rvalue = gsk_sl_expression_get_constant (binary->right);
if (rvalue == NULL)
{
gsk_sl_value_free (lvalue);
return NULL;
}
- return gsk_sl_binary_get_constant (multiplication->binary,
- multiplication->type,
+ return gsk_sl_binary_get_constant (binary->binary,
+ binary->type,
lvalue,
rvalue);
}
static guint32
-gsk_sl_expression_multiplication_write_spv (const GskSlExpression *expression,
+gsk_sl_expression_binary_write_spv (const GskSlExpression *expression,
GskSpvWriter *writer)
{
- const GskSlExpressionMultiplication *multiplication = (const GskSlExpressionMultiplication *) expression;
+ const GskSlExpressionBinary *binary = (const GskSlExpressionBinary *) expression;
- return gsk_sl_binary_write_spv (multiplication->binary,
+ return gsk_sl_binary_write_spv (binary->binary,
writer,
- multiplication->type,
- gsk_sl_expression_get_return_type (multiplication->left),
- gsk_sl_expression_write_spv (multiplication->left, writer),
- gsk_sl_expression_get_return_type (multiplication->right),
- gsk_sl_expression_write_spv (multiplication->right, writer));
-}
-
-static const GskSlExpressionClass GSK_SL_EXPRESSION_MULTIPLICATION = {
- gsk_sl_expression_multiplication_free,
- gsk_sl_expression_multiplication_print,
- gsk_sl_expression_multiplication_get_return_type,
- gsk_sl_expression_multiplication_get_constant,
- gsk_sl_expression_multiplication_write_spv
-};
-
-/* ARITHMETIC */
-
-static GskSlType *
-gsk_sl_expression_arithmetic_type_check (GskSlPreprocessor *preproc,
- GskSlType *ltype,
- GskSlType *rtype)
-{
- GskSlScalarType scalar;
-
- if (gsk_sl_scalar_type_can_convert (gsk_sl_type_get_scalar_type (ltype),
- gsk_sl_type_get_scalar_type (rtype)))
- scalar = gsk_sl_type_get_scalar_type (ltype);
- else if (gsk_sl_scalar_type_can_convert (gsk_sl_type_get_scalar_type (rtype),
- gsk_sl_type_get_scalar_type (ltype)))
- scalar = gsk_sl_type_get_scalar_type (rtype);
- else
- {
- gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
- "Operand types %s and %s do not share compatible scalar types.",
- gsk_sl_type_get_name (ltype), gsk_sl_type_get_name (rtype));
- return NULL;
- }
-
- if (gsk_sl_type_is_matrix (ltype))
- {
- if (gsk_sl_type_is_matrix (rtype))
- {
- if (gsk_sl_type_can_convert (ltype, rtype))
- {
- return ltype;
- }
- else if (gsk_sl_type_can_convert (rtype, ltype))
- {
- return rtype;
- }
- else
- {
- gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
- "Matrix types %s and %s have different size.",
- gsk_sl_type_get_name (ltype), gsk_sl_type_get_name (rtype));
- return NULL;
- }
- }
- else if (gsk_sl_type_is_vector (rtype))
- {
- gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
- "Cannot perform arithmetic arithmetic between matrix and vector.");
- return NULL;
- }
- else if (gsk_sl_type_is_scalar (rtype))
- {
- return gsk_sl_type_get_matrix (scalar,
- gsk_sl_type_get_length (ltype),
- gsk_sl_type_get_length (gsk_sl_type_get_index_type (ltype)));
- }
- else
- {
- gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
- "Right operand is incompatible type for arithemtic arithmetic.");
- return NULL;
- }
- }
- else if (gsk_sl_type_is_vector (ltype))
- {
- if (gsk_sl_type_is_matrix (rtype))
- {
- gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH, "Cannot perform arithmetic arithmetic between
vector and matrix.");
- return NULL;
- }
- else if (gsk_sl_type_is_vector (rtype))
- {
- if (gsk_sl_type_get_length (ltype) != gsk_sl_type_get_length (rtype))
- {
- gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
- "Vector operands %s and %s to arithmetic arithmetic have different
length.",
- gsk_sl_type_get_name (ltype), gsk_sl_type_get_name (rtype));
- return NULL;
- }
- return gsk_sl_type_get_vector (scalar, gsk_sl_type_get_length (ltype));
- }
- else if (gsk_sl_type_is_scalar (rtype))
- {
- return gsk_sl_type_get_vector (scalar,
- gsk_sl_type_get_length (ltype));
- }
- else
- {
- gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
- "Right operand is incompatible type for arithemtic arithmetic.");
- return NULL;
- }
- }
- else if (gsk_sl_type_is_scalar (ltype))
- {
- if (gsk_sl_type_is_matrix (rtype))
- {
- return gsk_sl_type_get_matrix (scalar,
- gsk_sl_type_get_length (rtype),
- gsk_sl_type_get_length (gsk_sl_type_get_index_type (rtype)));
- }
- else if (gsk_sl_type_is_vector (rtype))
- {
- return gsk_sl_type_get_vector (scalar,
- gsk_sl_type_get_length (rtype));
- }
- else if (gsk_sl_type_is_scalar (rtype))
- {
- return gsk_sl_type_get_scalar (scalar);
- }
- else
- {
- gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH, "Right operand is incompatible type for
arithemtic arithmetic.");
- return NULL;
- }
- }
- else
- {
- gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH, "Left operand is incompatible type for arithemtic
arithmetic.");
- return NULL;
- }
-}
-
-typedef struct _GskSlExpressionArithmetic GskSlExpressionArithmetic;
-
-struct _GskSlExpressionArithmetic {
- GskSlExpression parent;
-
- GskSlType *type;
- GskSlExpression *left;
- GskSlExpression *right;
-};
-
-static void
-gsk_sl_expression_arithmetic_free (GskSlExpression *expression)
-{
- GskSlExpressionArithmetic *arithmetic = (GskSlExpressionArithmetic *) expression;
-
- gsk_sl_type_unref (arithmetic->type);
- gsk_sl_expression_unref (arithmetic->left);
- gsk_sl_expression_unref (arithmetic->right);
-
- g_slice_free (GskSlExpressionArithmetic, arithmetic);
-}
-
-static void
-gsk_sl_expression_division_print (const GskSlExpression *expression,
- GskSlPrinter *printer)
-{
- GskSlExpressionArithmetic *arithmetic = (GskSlExpressionArithmetic *) expression;
-
- gsk_sl_expression_print (arithmetic->left, printer);
- gsk_sl_printer_append (printer, " / ");
- gsk_sl_expression_print (arithmetic->right, printer);
-}
-
-static void
-gsk_sl_expression_addition_print (const GskSlExpression *expression,
- GskSlPrinter *printer)
-{
- GskSlExpressionArithmetic *arithmetic = (GskSlExpressionArithmetic *) expression;
-
- gsk_sl_expression_print (arithmetic->left, printer);
- gsk_sl_printer_append (printer, " + ");
- gsk_sl_expression_print (arithmetic->right, printer);
-}
-
-static void
-gsk_sl_expression_subtraction_print (const GskSlExpression *expression,
- GskSlPrinter *printer)
-{
- GskSlExpressionArithmetic *arithmetic = (GskSlExpressionArithmetic *) expression;
-
- gsk_sl_expression_print (arithmetic->left, printer);
- gsk_sl_printer_append (printer, " - ");
- gsk_sl_expression_print (arithmetic->right, printer);
-}
-
-static GskSlType *
-gsk_sl_expression_arithmetic_get_return_type (const GskSlExpression *expression)
-{
- GskSlExpressionArithmetic *arithmetic = (GskSlExpressionArithmetic *) expression;
-
- return arithmetic->type;
-}
-
-static GskSlValue *
-gsk_sl_expression_division_get_constant (const GskSlExpression *expression)
-{
- const GskSlExpressionArithmetic *arithmetic = (const GskSlExpressionArithmetic *) expression;
- GskSlValue *result, *lvalue, *rvalue;
- GskSlType *ltype, *rtype;
- GskSlScalarType scalar;
- gsize ln, rn;
-
- scalar = gsk_sl_type_get_scalar_type (arithmetic->type);
- lvalue = gsk_sl_expression_get_constant (arithmetic->left);
- if (lvalue == NULL)
- return NULL;
- rvalue = gsk_sl_expression_get_constant (arithmetic->right);
- if (rvalue == NULL)
- {
- gsk_sl_value_free (lvalue);
- return NULL;
- }
- lvalue = gsk_sl_value_convert_components (lvalue, scalar);
- rvalue = gsk_sl_value_convert_components (rvalue, scalar);
- ltype = gsk_sl_value_get_type (lvalue);
- rtype = gsk_sl_value_get_type (rvalue);
-
- ln = gsk_sl_type_get_n_components (ltype);
- rn = gsk_sl_type_get_n_components (rtype);
- if (ln == 1)
- {
- gsk_sl_value_componentwise (rvalue, div_inv_funcs[scalar], gsk_sl_value_get_data (lvalue));
- gsk_sl_value_free (lvalue);
- result = rvalue;
- }
- else if (rn == 1)
- {
- gsk_sl_value_componentwise (lvalue, div_funcs[scalar], gsk_sl_value_get_data (rvalue));
- gsk_sl_value_free (rvalue);
- result = lvalue;
- }
- else
- {
- guchar *ldata, *rdata;
- gsize i, stride;
-
- stride = gsk_sl_scalar_type_get_size (scalar);
- ldata = gsk_sl_value_get_data (lvalue);
- rdata = gsk_sl_value_get_data (rvalue);
- for (i = 0; i < ln; i++)
- {
- div_funcs[scalar] (ldata + i * stride, rdata + i * stride);
- }
- gsk_sl_value_free (rvalue);
- result = lvalue;
- }
-
- return result;
-}
-
-static guint32
-gsk_sl_expression_division_write_spv (const GskSlExpression *expression,
- GskSpvWriter *writer)
-{
- const GskSlExpressionArithmetic *arithmetic = (const GskSlExpressionArithmetic *) expression;
- GskSlType *ltype, *rtype;
- guint32 left_id, right_id;
-
- ltype = gsk_sl_expression_get_return_type (arithmetic->left);
- rtype = gsk_sl_expression_get_return_type (arithmetic->right);
-
- left_id = gsk_sl_expression_write_spv (arithmetic->left, writer);
- if (gsk_sl_type_get_scalar_type (ltype) != gsk_sl_type_get_scalar_type (arithmetic->type))
- {
- GskSlType *new_type = gsk_sl_type_get_matching (ltype, gsk_sl_type_get_scalar_type (arithmetic->type));
- left_id = gsk_spv_writer_convert (writer, left_id, ltype, new_type);
- ltype = new_type;
- }
- right_id = gsk_sl_expression_write_spv (arithmetic->right, writer);
- if (gsk_sl_type_get_scalar_type (rtype) != gsk_sl_type_get_scalar_type (arithmetic->type))
- {
- GskSlType *new_type = gsk_sl_type_get_matching (rtype, gsk_sl_type_get_scalar_type (arithmetic->type));
- right_id = gsk_spv_writer_convert (writer, right_id, rtype, new_type);
- rtype = new_type;
- }
-
- if (gsk_sl_type_is_matrix (ltype))
- {
- if (gsk_sl_type_is_matrix (rtype))
- {
- GskSlType *col_type = gsk_sl_type_get_index_type (ltype);
- gsize cols = gsk_sl_type_get_length (ltype);
- gsize c;
- guint32 left_part_id, right_part_id, ids[cols];
-
- for (c = 0; c < cols; c++)
- {
- left_part_id = gsk_spv_writer_composite_extract (writer,
- col_type,
- left_id,
- (guint32[1]) { 1 }, c);
- right_part_id = gsk_spv_writer_composite_extract (writer,
- col_type,
- right_id,
- (guint32[1]) { 1 }, c);
- ids[c] = gsk_spv_writer_f_div (writer,
- col_type,
- left_part_id,
- right_part_id);
- }
-
- return gsk_spv_writer_composite_construct (writer,
- arithmetic->type,
- ids,
- cols);
- }
- else if (gsk_sl_type_is_scalar (rtype))
- {
- guint32 tmp_id;
-
- tmp_id = gsk_spv_writer_f_div (writer,
- rtype,
- gsk_spv_writer_get_id_for_one (writer, gsk_sl_type_get_scalar_type
(arithmetic->type)),
- right_id);
-
- return gsk_spv_writer_matrix_times_scalar (writer,
- arithmetic->type,
- left_id,
- tmp_id);
- }
- else
- {
- g_assert_not_reached ();
- return 0;
- }
- }
- else if (gsk_sl_type_is_matrix (rtype))
- {
- guint32 tmp_id;
-
- tmp_id = gsk_spv_writer_f_div (writer,
- ltype,
- gsk_spv_writer_get_id_for_one (writer, gsk_sl_type_get_scalar_type
(arithmetic->type)),
- left_id);
- return gsk_spv_writer_matrix_times_scalar (writer,
- arithmetic->type,
- right_id,
- tmp_id);
- }
- else
- {
- /* ltype and rtype are not matrices */
-
- if (gsk_sl_type_is_scalar (ltype) && gsk_sl_type_is_vector (rtype))
- {
- guint32 tmp_id = gsk_spv_writer_composite_construct (writer,
- arithmetic->type,
- (guint32[4]) { left_id, left_id, left_id,
left_id },
- gsk_sl_type_get_length (rtype));
- left_id = tmp_id;
- }
- else if (gsk_sl_type_is_scalar (rtype) && gsk_sl_type_is_vector (ltype))
- {
- guint32 tmp_id = gsk_spv_writer_composite_construct (writer,
- arithmetic->type,
- (guint32[4]) { right_id, right_id, right_id,
right_id },
- gsk_sl_type_get_length (ltype));
- right_id = tmp_id;
- }
-
- /* ltype and rtype have the same number of components now */
-
- switch (gsk_sl_type_get_scalar_type (arithmetic->type))
- {
- case GSK_SL_FLOAT:
- case GSK_SL_DOUBLE:
- return gsk_spv_writer_f_div (writer, arithmetic->type, left_id, right_id);
-
- case GSK_SL_INT:
- return gsk_spv_writer_s_div (writer, arithmetic->type, left_id, right_id);
-
- case GSK_SL_UINT:
- return gsk_spv_writer_u_div (writer, arithmetic->type, left_id, right_id);
-
- case GSK_SL_VOID:
- case GSK_SL_BOOL:
- default:
- g_assert_not_reached ();
- return 0;
- }
- }
-}
-
-static GskSlValue *
-gsk_sl_expression_arithmetic_get_constant (const GskSlExpression *expression)
-{
- //GskSlExpressionArithmetic *arithmetic = (const GskSlExpressionArithmetic *) expression;
-
- /* FIXME: These need constant evaluations */
- return NULL;
-}
-
-static guint32
-gsk_sl_expression_arithmetic_write_spv (const GskSlExpression *expression,
- GskSpvWriter *writer)
-{
- g_assert_not_reached ();
-
- return 0;
-}
-
-static const GskSlExpressionClass GSK_SL_EXPRESSION_DIVISION = {
- gsk_sl_expression_arithmetic_free,
- gsk_sl_expression_division_print,
- gsk_sl_expression_arithmetic_get_return_type,
- gsk_sl_expression_division_get_constant,
- gsk_sl_expression_division_write_spv
-};
-
-static const GskSlExpressionClass GSK_SL_EXPRESSION_ADDITION = {
- gsk_sl_expression_arithmetic_free,
- gsk_sl_expression_addition_print,
- gsk_sl_expression_arithmetic_get_return_type,
- gsk_sl_expression_arithmetic_get_constant,
- gsk_sl_expression_arithmetic_write_spv
-};
-
-static const GskSlExpressionClass GSK_SL_EXPRESSION_SUBTRACTION = {
- gsk_sl_expression_arithmetic_free,
- gsk_sl_expression_subtraction_print,
- gsk_sl_expression_arithmetic_get_return_type,
- gsk_sl_expression_arithmetic_get_constant,
- gsk_sl_expression_arithmetic_write_spv
+ binary->type,
+ gsk_sl_expression_get_return_type (binary->left),
+ gsk_sl_expression_write_spv (binary->left, writer),
+ gsk_sl_expression_get_return_type (binary->right),
+ gsk_sl_expression_write_spv (binary->right, writer));
+}
+
+static const GskSlExpressionClass GSK_SL_EXPRESSION_BINARY = {
+ gsk_sl_expression_binary_free,
+ gsk_sl_expression_binary_print,
+ gsk_sl_expression_binary_get_return_type,
+ gsk_sl_expression_binary_get_constant,
+ gsk_sl_expression_binary_write_spv
};
/* OPERATION */
@@ -2577,46 +2129,25 @@ gsk_sl_expression_parse_multiplicative (GskSlScope *scope,
gsk_sl_preprocessor_consume (stream, NULL);
right = gsk_sl_expression_parse_unary (scope, stream);
- if (op == MUL)
+ if (op == MUL || op == DIV)
{
const GskSlBinary *binary;
GskSlType *result_type;
- binary = gsk_sl_binary_get_for_token (GSK_SL_TOKEN_STAR);
+ binary = gsk_sl_binary_get_for_token (op == MUL ? GSK_SL_TOKEN_STAR : GSK_SL_TOKEN_SLASH);
result_type = gsk_sl_binary_check_type (binary,
stream,
gsk_sl_expression_get_return_type (expression),
gsk_sl_expression_get_return_type (right));
if (result_type)
{
- GskSlExpressionMultiplication *multiplication;
- multiplication = gsk_sl_expression_new (GskSlExpressionMultiplication,
&GSK_SL_EXPRESSION_MULTIPLICATION);
- multiplication->binary = binary;
- multiplication->type = gsk_sl_type_ref (result_type);
- multiplication->left = expression;
- multiplication->right = right;
- expression = (GskSlExpression *) multiplication;
- }
- else
- {
- gsk_sl_expression_unref ((GskSlExpression *) right);
- }
- }
- else if (op == DIV)
- {
- GskSlType *result_type;
-
- result_type = gsk_sl_expression_arithmetic_type_check (stream,
- gsk_sl_expression_get_return_type
(expression),
- gsk_sl_expression_get_return_type (right));
- if (result_type)
- {
- GskSlExpressionArithmetic *division;
- division = gsk_sl_expression_new (GskSlExpressionArithmetic, &GSK_SL_EXPRESSION_DIVISION);
- division->type = gsk_sl_type_ref (result_type);
- division->left = expression;
- division->right = right;
- expression = (GskSlExpression *) division;
+ GskSlExpressionBinary *binary_expr;
+ binary_expr = gsk_sl_expression_new (GskSlExpressionBinary, &GSK_SL_EXPRESSION_BINARY);
+ binary_expr->binary = binary;
+ binary_expr->type = gsk_sl_type_ref (result_type);
+ binary_expr->left = expression;
+ binary_expr->right = right;
+ expression = (GskSlExpression *) binary_expr;
}
else
{
@@ -2651,36 +2182,37 @@ gsk_sl_expression_parse_additive (GskSlScope *scope,
GskSlPreprocessor *stream)
{
const GskSlToken *token;
+ const GskSlBinary *binary;
GskSlExpression *expression, *right;
GskSlType *result_type;
- enum { ADD, SUB } op;
expression = gsk_sl_expression_parse_multiplicative (scope, stream);
while (TRUE)
{
token = gsk_sl_preprocessor_get (stream);
- if (gsk_sl_token_is (token, GSK_SL_TOKEN_PLUS))
- op = ADD;
- else if (gsk_sl_token_is (token, GSK_SL_TOKEN_DASH))
- op = SUB;
- else
+ if (!gsk_sl_token_is (token, GSK_SL_TOKEN_PLUS) &&
+ !gsk_sl_token_is (token, GSK_SL_TOKEN_DASH))
return expression;
+ binary = gsk_sl_binary_get_for_token (token->type);
gsk_sl_preprocessor_consume (stream, NULL);
- right = gsk_sl_expression_parse_additive (scope, stream);
- result_type = gsk_sl_expression_arithmetic_type_check (stream,
- gsk_sl_expression_get_return_type (expression),
- gsk_sl_expression_get_return_type (right));
+
+ right = gsk_sl_expression_parse_multiplicative (scope, stream);
+
+ result_type = gsk_sl_binary_check_type (binary,
+ stream,
+ gsk_sl_expression_get_return_type (expression),
+ gsk_sl_expression_get_return_type (right));
if (result_type)
{
- GskSlExpressionArithmetic *arithmetic;
-
- arithmetic = gsk_sl_expression_new (GskSlExpressionArithmetic, op == ADD ?
&GSK_SL_EXPRESSION_ADDITION : &GSK_SL_EXPRESSION_SUBTRACTION);
- arithmetic->type = gsk_sl_type_ref (result_type);
- arithmetic->left = expression;
- arithmetic->right = right;
- expression = (GskSlExpression *) arithmetic;
+ GskSlExpressionBinary *binary_expr;
+ binary_expr = gsk_sl_expression_new (GskSlExpressionBinary, &GSK_SL_EXPRESSION_BINARY);
+ binary_expr->binary = binary;
+ binary_expr->type = gsk_sl_type_ref (result_type);
+ binary_expr->left = expression;
+ binary_expr->right = right;
+ expression = (GskSlExpression *) binary_expr;
}
else
{
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