[gtk+/wip/otte/shader: 27/98] gskslexpression: Implement Division
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/wip/otte/shader: 27/98] gskslexpression: Implement Division
- Date: Mon, 23 Oct 2017 03:12:17 +0000 (UTC)
commit 320afa743b9004ec1589dc9f02774a673472a9b2
Author: Benjamin Otte <otte redhat com>
Date: Thu Oct 5 00:40:20 2017 +0200
gskslexpression: Implement Division
Split out arithmetic expressions and implement constant evaluation SPV
writing for division.
gsk/gskslexpression.c | 654 ++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 511 insertions(+), 143 deletions(-)
---
diff --git a/gsk/gskslexpression.c b/gsk/gskslexpression.c
index 3347abb..6e4fd52 100644
--- a/gsk/gskslexpression.c
+++ b/gsk/gskslexpression.c
@@ -365,6 +365,28 @@ static void (* mult_funcs[]) (gpointer, gpointer) = {
[GSK_SL_DOUBLE] = gsk_sl_expression_multiplication_double,
};
+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)
{
@@ -684,86 +706,10 @@ static const GskSlExpressionClass GSK_SL_EXPRESSION_MULTIPLICATION = {
gsk_sl_expression_multiplication_write_spv
};
-/* OPERATION */
-
-typedef enum {
- GSK_SL_OPERATION_DIV,
- GSK_SL_OPERATION_MOD,
- GSK_SL_OPERATION_ADD,
- GSK_SL_OPERATION_SUB,
- GSK_SL_OPERATION_LSHIFT,
- GSK_SL_OPERATION_RSHIFT,
- GSK_SL_OPERATION_LESS,
- GSK_SL_OPERATION_GREATER,
- GSK_SL_OPERATION_LESS_EQUAL,
- GSK_SL_OPERATION_GREATER_EQUAL,
- GSK_SL_OPERATION_EQUAL,
- GSK_SL_OPERATION_NOT_EQUAL,
- GSK_SL_OPERATION_AND,
- GSK_SL_OPERATION_XOR,
- GSK_SL_OPERATION_OR,
- GSK_SL_OPERATION_LOGICAL_AND,
- GSK_SL_OPERATION_LOGICAL_XOR,
- GSK_SL_OPERATION_LOGICAL_OR
-} GskSlOperation;
-
-typedef struct _GskSlExpressionOperation GskSlExpressionOperation;
-
-struct _GskSlExpressionOperation {
- GskSlExpression parent;
-
- GskSlOperation op;
- GskSlExpression *left;
- GskSlExpression *right;
-};
-
-static void
-gsk_sl_expression_operation_free (GskSlExpression *expression)
-{
- GskSlExpressionOperation *operation = (GskSlExpressionOperation *) expression;
-
- gsk_sl_expression_unref (operation->left);
- if (operation->right)
- gsk_sl_expression_unref (operation->right);
-
- g_slice_free (GskSlExpressionOperation, operation);
-}
-
-static void
-gsk_sl_expression_operation_print (const GskSlExpression *expression,
- GskSlPrinter *printer)
-{
- const char *op_str[] = {
- [GSK_SL_OPERATION_DIV] = " / ",
- [GSK_SL_OPERATION_MOD] = " % ",
- [GSK_SL_OPERATION_ADD] = " + ",
- [GSK_SL_OPERATION_SUB] = " - ",
- [GSK_SL_OPERATION_LSHIFT] = " << ",
- [GSK_SL_OPERATION_RSHIFT] = " >> ",
- [GSK_SL_OPERATION_LESS] = " < ",
- [GSK_SL_OPERATION_GREATER] = " > ",
- [GSK_SL_OPERATION_LESS_EQUAL] = " <= ",
- [GSK_SL_OPERATION_GREATER_EQUAL] = " >= ",
- [GSK_SL_OPERATION_EQUAL] = " == ",
- [GSK_SL_OPERATION_NOT_EQUAL] = " != ",
- [GSK_SL_OPERATION_AND] = " & ",
- [GSK_SL_OPERATION_XOR] = " ^ ",
- [GSK_SL_OPERATION_OR] = " | ",
- [GSK_SL_OPERATION_LOGICAL_AND] = " && ",
- [GSK_SL_OPERATION_LOGICAL_XOR] = " ^^ ",
- [GSK_SL_OPERATION_LOGICAL_OR] = " || "
- };
- GskSlExpressionOperation *operation = (GskSlExpressionOperation *) expression;
-
- /* XXX: figure out the need for bracketing here */
-
- gsk_sl_expression_print (operation->left, printer);
- gsk_sl_printer_append (printer, op_str[operation->op]);
- gsk_sl_expression_print (operation->right, printer);
-}
+/* ARITHMETIC */
static GskSlType *
-gsk_sl_expression_arithmetic_type_check (GskSlPreprocessor *stream,
+gsk_sl_expression_arithmetic_type_check (GskSlPreprocessor *preproc,
GskSlType *ltype,
GskSlType *rtype)
{
@@ -777,12 +723,9 @@ gsk_sl_expression_arithmetic_type_check (GskSlPreprocessor *stream,
scalar = gsk_sl_type_get_scalar_type (rtype);
else
{
- if (stream)
- {
- gsk_sl_preprocessor_error (stream, 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));
- }
+ 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;
}
@@ -800,18 +743,16 @@ gsk_sl_expression_arithmetic_type_check (GskSlPreprocessor *stream,
}
else
{
- if (stream)
- gsk_sl_preprocessor_error (stream, TYPE_MISMATCH,
- "Matrix types %s and %s have different size.",
- gsk_sl_type_get_name (ltype), gsk_sl_type_get_name (rtype));
+ 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))
{
- if (stream)
- gsk_sl_preprocessor_error (stream, TYPE_MISMATCH,
- "Cannot perform arithmetic operation between matrix and vector.");
+ 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))
@@ -822,9 +763,8 @@ gsk_sl_expression_arithmetic_type_check (GskSlPreprocessor *stream,
}
else
{
- if (stream)
- gsk_sl_preprocessor_error (stream, TYPE_MISMATCH,
- "Right operand is incompatible type for arithemtic operation.");
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
+ "Right operand is incompatible type for arithemtic arithmetic.");
return NULL;
}
}
@@ -832,18 +772,16 @@ gsk_sl_expression_arithmetic_type_check (GskSlPreprocessor *stream,
{
if (gsk_sl_type_is_matrix (rtype))
{
- if (stream)
- gsk_sl_preprocessor_error (stream, TYPE_MISMATCH, "Cannot perform arithmetic operation between
vector and matrix.");
+ 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))
{
- if (stream)
- gsk_sl_preprocessor_error (stream, TYPE_MISMATCH,
- "Vector operands %s and %s to arithmetic operation have different
length.",
- gsk_sl_type_get_name (ltype), gsk_sl_type_get_name (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));
@@ -855,9 +793,8 @@ gsk_sl_expression_arithmetic_type_check (GskSlPreprocessor *stream,
}
else
{
- if (stream)
- gsk_sl_preprocessor_error (stream, TYPE_MISMATCH,
- "Right operand is incompatible type for arithemtic operation.");
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH,
+ "Right operand is incompatible type for arithemtic arithmetic.");
return NULL;
}
}
@@ -880,19 +817,454 @@ gsk_sl_expression_arithmetic_type_check (GskSlPreprocessor *stream,
}
else
{
- if (stream)
- gsk_sl_preprocessor_error (stream, TYPE_MISMATCH, "Right operand is incompatible type for
arithemtic operation.");
+ gsk_sl_preprocessor_error (preproc, TYPE_MISMATCH, "Right operand is incompatible type for
arithemtic arithmetic.");
return NULL;
}
}
else
{
- if (stream)
- gsk_sl_preprocessor_error (stream, TYPE_MISMATCH, "Left operand is incompatible type for arithemtic
operation.");
+ 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, result_id, result_type_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_add_conversion (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_add_conversion (writer, right_id, rtype, new_type);
+ rtype = new_type;
+ }
+
+ result_type_id = gsk_spv_writer_get_id_for_type (writer, arithmetic->type);
+
+ if (gsk_sl_type_is_matrix (ltype))
+ {
+ if (gsk_sl_type_is_matrix (rtype))
+ {
+ gsize cols = gsk_sl_type_get_length (ltype);
+ gsize c;
+ guint32 col_type_id, left_part_id, right_part_id, ids[cols + 2];
+
+ col_type_id = gsk_spv_writer_get_id_for_type (writer, gsk_sl_type_get_index_type (ltype));
+ for (c = 0; c < cols; c++)
+ {
+ left_part_id = gsk_spv_writer_next_id (writer);
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 5, GSK_SPV_OP_COMPOSITE_EXTRACT,
+ (guint32[4]) { col_type_id,
+ left_part_id,
+ left_id,
+ c });
+ right_part_id = gsk_spv_writer_next_id (writer);
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 5, GSK_SPV_OP_COMPOSITE_EXTRACT,
+ (guint32[4]) { col_type_id,
+ right_part_id,
+ right_id,
+ c });
+ ids[2 + c] = gsk_spv_writer_next_id (writer);
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 5, GSK_SPV_OP_F_DIV,
+ (guint32[4]) { col_type_id,
+ ids[2 + c],
+ left_part_id,
+ right_part_id });
+ }
+
+ ids[0] = result_type_id;
+ ids[1] = gsk_spv_writer_next_id (writer);
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 3 + cols, GSK_SPV_OP_COMPOSITE_CONSTRUCT,
+ ids);
+
+ return ids[1];
+ }
+ else if (gsk_sl_type_is_scalar (rtype))
+ {
+ guint32 tmp_id, one_id, rtype_id;
+
+ rtype_id = gsk_spv_writer_get_id_for_type (writer, rtype);
+ one_id = gsk_spv_writer_get_id_for_one (writer, gsk_sl_type_get_scalar_type (arithmetic->type));
+ tmp_id = gsk_spv_writer_next_id (writer);
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 5, GSK_SPV_OP_F_DIV,
+ (guint32[4]) { rtype_id,
+ tmp_id,
+ one_id,
+ right_id });
+
+ result_id = gsk_spv_writer_next_id (writer);
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 5, GSK_SPV_OP_MATRIX_TIMES_SCALAR,
+ (guint32[4]) { result_type_id,
+ result_id,
+ left_id,
+ tmp_id });
+
+ return result_id;
+ }
+ else
+ {
+ g_assert_not_reached ();
+ return 0;
+ }
+ }
+ else if (gsk_sl_type_is_matrix (rtype))
+ {
+ guint32 tmp_id, one_id, ltype_id;
+
+ ltype_id = gsk_spv_writer_get_id_for_type (writer, ltype);
+ one_id = gsk_spv_writer_get_id_for_one (writer, gsk_sl_type_get_scalar_type (arithmetic->type));
+ tmp_id = gsk_spv_writer_next_id (writer);
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 5, GSK_SPV_OP_F_DIV,
+ (guint32[4]) { ltype_id,
+ tmp_id,
+ one_id,
+ left_id });
+
+ result_id = gsk_spv_writer_next_id (writer);
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 5, GSK_SPV_OP_MATRIX_TIMES_SCALAR,
+ (guint32[4]) { result_type_id,
+ result_id,
+ right_id,
+ tmp_id });
+
+ return result_id;
+ }
+ else
+ {
+ /* ltype and rtype are not matices */
+
+ if (gsk_sl_type_is_scalar (ltype) && gsk_sl_type_is_vector (rtype))
+ {
+ guint32 tmp_id = gsk_spv_writer_next_id (writer);
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 3 + gsk_sl_type_get_length (rtype), GSK_SPV_OP_COMPOSITE_CONSTRUCT,
+ (guint32[6]) { result_type_id,
+ tmp_id,
+ left_id, left_id, left_id, left_id });
+ left_id = tmp_id;
+ }
+ else if (gsk_sl_type_is_scalar (rtype) && gsk_sl_type_is_vector (ltype))
+ {
+ guint32 tmp_id = gsk_spv_writer_next_id (writer);
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 3 + gsk_sl_type_get_length (ltype), GSK_SPV_OP_COMPOSITE_CONSTRUCT,
+ (guint32[6]) { result_type_id,
+ tmp_id,
+ right_id, right_id, right_id, right_id });
+ right_id = tmp_id;
+ }
+
+ /* ltype and rtype have the same number of components now */
+
+ result_id = gsk_spv_writer_next_id (writer);
+ switch (gsk_sl_type_get_scalar_type (arithmetic->type))
+ {
+ case GSK_SL_FLOAT:
+ case GSK_SL_DOUBLE:
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 5, GSK_SPV_OP_F_DIV,
+ (guint32[4]) { result_type_id,
+ result_id,
+ left_id,
+ right_id });
+ break;
+ case GSK_SL_INT:
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 5, GSK_SPV_OP_S_DIV,
+ (guint32[4]) { result_type_id,
+ result_id,
+ left_id,
+ right_id });
+ break;
+ case GSK_SL_UINT:
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_CODE,
+ 5, GSK_SPV_OP_U_DIV,
+ (guint32[4]) { result_type_id,
+ result_id,
+ left_id,
+ right_id });
+ break;
+ case GSK_SL_VOID:
+ case GSK_SL_BOOL:
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+
+ return result_id;
+ }
+}
+
+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
+};
+
+/* OPERATION */
+
+typedef enum {
+ GSK_SL_OPERATION_MOD,
+ GSK_SL_OPERATION_LSHIFT,
+ GSK_SL_OPERATION_RSHIFT,
+ GSK_SL_OPERATION_LESS,
+ GSK_SL_OPERATION_GREATER,
+ GSK_SL_OPERATION_LESS_EQUAL,
+ GSK_SL_OPERATION_GREATER_EQUAL,
+ GSK_SL_OPERATION_EQUAL,
+ GSK_SL_OPERATION_NOT_EQUAL,
+ GSK_SL_OPERATION_AND,
+ GSK_SL_OPERATION_XOR,
+ GSK_SL_OPERATION_OR,
+ GSK_SL_OPERATION_LOGICAL_AND,
+ GSK_SL_OPERATION_LOGICAL_XOR,
+ GSK_SL_OPERATION_LOGICAL_OR
+} GskSlOperation;
+
+typedef struct _GskSlExpressionOperation GskSlExpressionOperation;
+
+struct _GskSlExpressionOperation {
+ GskSlExpression parent;
+
+ GskSlOperation op;
+ GskSlExpression *left;
+ GskSlExpression *right;
+};
+
+static void
+gsk_sl_expression_operation_free (GskSlExpression *expression)
+{
+ GskSlExpressionOperation *operation = (GskSlExpressionOperation *) expression;
+
+ gsk_sl_expression_unref (operation->left);
+ if (operation->right)
+ gsk_sl_expression_unref (operation->right);
+
+ g_slice_free (GskSlExpressionOperation, operation);
+}
+
+static void
+gsk_sl_expression_operation_print (const GskSlExpression *expression,
+ GskSlPrinter *printer)
+{
+ const char *op_str[] = {
+ [GSK_SL_OPERATION_MOD] = " % ",
+ [GSK_SL_OPERATION_LSHIFT] = " << ",
+ [GSK_SL_OPERATION_RSHIFT] = " >> ",
+ [GSK_SL_OPERATION_LESS] = " < ",
+ [GSK_SL_OPERATION_GREATER] = " > ",
+ [GSK_SL_OPERATION_LESS_EQUAL] = " <= ",
+ [GSK_SL_OPERATION_GREATER_EQUAL] = " >= ",
+ [GSK_SL_OPERATION_EQUAL] = " == ",
+ [GSK_SL_OPERATION_NOT_EQUAL] = " != ",
+ [GSK_SL_OPERATION_AND] = " & ",
+ [GSK_SL_OPERATION_XOR] = " ^ ",
+ [GSK_SL_OPERATION_OR] = " | ",
+ [GSK_SL_OPERATION_LOGICAL_AND] = " && ",
+ [GSK_SL_OPERATION_LOGICAL_XOR] = " ^^ ",
+ [GSK_SL_OPERATION_LOGICAL_OR] = " || "
+ };
+ GskSlExpressionOperation *operation = (GskSlExpressionOperation *) expression;
+
+ /* XXX: figure out the need for bracketing here */
+
+ gsk_sl_expression_print (operation->left, printer);
+ gsk_sl_printer_append (printer, op_str[operation->op]);
+ gsk_sl_expression_print (operation->right, printer);
+}
+
static GskSlType *
gsk_sl_expression_bitwise_type_check (GskSlPreprocessor *stream,
GskSlType *ltype,
@@ -1033,12 +1405,6 @@ gsk_sl_expression_operation_get_return_type (const GskSlExpression *expression)
switch (operation->op)
{
- case GSK_SL_OPERATION_DIV:
- case GSK_SL_OPERATION_ADD:
- case GSK_SL_OPERATION_SUB:
- return gsk_sl_expression_arithmetic_type_check (NULL,
- gsk_sl_expression_get_return_type (operation->left),
- gsk_sl_expression_get_return_type (operation->right));
case GSK_SL_OPERATION_LSHIFT:
case GSK_SL_OPERATION_RSHIFT:
return gsk_sl_expression_get_return_type (operation->left);
@@ -1428,9 +1794,7 @@ gsk_sl_expression_constructor_write_spv (const GskSlExpression *expression,
value_id = gsk_sl_expression_write_spv (constructor->arguments[0], writer);
if (gsk_sl_type_get_scalar_type (value_type) != gsk_sl_type_get_scalar_type (type))
{
- GskSlType *new_value_type = gsk_sl_type_get_matrix (gsk_sl_type_get_scalar_type (type),
- gsk_sl_type_get_length (value_type),
- gsk_sl_type_get_length (value_col_type));
+ GskSlType *new_value_type = gsk_sl_type_get_matching (value_type, gsk_sl_type_get_scalar_type
(type));
value_id = gsk_spv_writer_add_conversion (writer, value_id, value_type, new_value_type);
value_type = new_value_type;
}
@@ -2817,16 +3181,19 @@ gsk_sl_expression_parse_multiplicative (GskSlScope *scope,
}
else if (op == DIV)
{
- if (gsk_sl_expression_arithmetic_type_check (stream,
- gsk_sl_expression_get_return_type (expression),
- gsk_sl_expression_get_return_type (right)))
+ 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)
{
- GskSlExpressionOperation *operation;
- operation = gsk_sl_expression_new (GskSlExpressionOperation, &GSK_SL_EXPRESSION_OPERATION);
- operation->op = GSK_SL_OPERATION_DIV;
- operation->left = expression;
- operation->right = right;
- expression = (GskSlExpression *) operation;
+ 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;
}
else
{
@@ -2861,39 +3228,40 @@ gsk_sl_expression_parse_additive (GskSlScope *scope,
GskSlPreprocessor *stream)
{
const GskSlToken *token;
- GskSlExpression *expression;
- GskSlExpressionOperation *operation;
- GskSlOperation op;
+ GskSlExpression *expression, *right;
+ GskSlType *result_type;
+ enum { ADD, SUB } op;
expression = gsk_sl_expression_parse_multiplicative (scope, stream);
- if (expression == NULL)
- return NULL;
while (TRUE)
{
token = gsk_sl_preprocessor_get (stream);
if (gsk_sl_token_is (token, GSK_SL_TOKEN_PLUS))
- op = GSK_SL_OPERATION_ADD;
+ op = ADD;
else if (gsk_sl_token_is (token, GSK_SL_TOKEN_DASH))
- op = GSK_SL_OPERATION_SUB;
+ op = SUB;
else
return expression;
- operation = gsk_sl_expression_new (GskSlExpressionOperation, &GSK_SL_EXPRESSION_OPERATION);
- operation->left = expression;
- operation->op = op;
- gsk_sl_preprocessor_consume (stream, (GskSlExpression *) operation);
- operation->right = gsk_sl_expression_parse_additive (scope, stream);
- if (!gsk_sl_expression_arithmetic_type_check (stream,
- gsk_sl_expression_get_return_type (operation->left),
- gsk_sl_expression_get_return_type (operation->right)))
+ 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));
+ if (result_type)
{
- gsk_sl_expression_ref (expression);
- gsk_sl_expression_unref ((GskSlExpression *) operation);
+ 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;
}
else
{
- expression = (GskSlExpression *) operation;
+ gsk_sl_expression_unref ((GskSlExpression *) right);
}
}
[
Date Prev][
Date Next] [
Thread Prev][
Thread Next]
[
Thread Index]
[
Date Index]
[
Author Index]
