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-rw-r--r--src/mesa/drivers/dri/i915/intel_tris.c2
-rw-r--r--src/mesa/drivers/dri/intel/intel_decode.c130
-rw-r--r--src/mesa/drivers/dri/intel/intel_reg.h6
-rw-r--r--src/mesa/main/image.c2
-rw-r--r--src/mesa/main/texenvprogram.c7
-rw-r--r--src/mesa/main/texstore.c10
-rw-r--r--src/mesa/shader/slang/library/slang_shader.syn29
-rw-r--r--src/mesa/shader/slang/slang_codegen.c34
-rw-r--r--src/mesa/shader/slang/slang_compile.c292
-rw-r--r--src/mesa/shader/slang/slang_emit.c413
-rw-r--r--src/mesa/shader/slang/slang_ir.c50
-rw-r--r--src/mesa/shader/slang/slang_ir.h57
-rw-r--r--src/mesa/shader/slang/slang_vartable.h10
13 files changed, 687 insertions, 355 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_tris.c b/src/mesa/drivers/dri/i915/intel_tris.c
index 06210035af..797d6c5858 100644
--- a/src/mesa/drivers/dri/i915/intel_tris.c
+++ b/src/mesa/drivers/dri/i915/intel_tris.c
@@ -186,7 +186,7 @@ void intel_flush_prim(struct intel_context *intel)
OUT_RELOC(vb_bo, I915_GEM_DOMAIN_VERTEX, 0,
offset | (intel->vertex_size << S0_VB_PITCH_SHIFT_830) |
S0_VB_ENABLE_830);
- /* S1
+ /* S2
* This is somewhat unfortunate -- VB width is tied up with
* vertex format data that we've already uploaded through
* _3DSTATE_VFT[01]_CMD. We may want to replace emits of VFT state with
diff --git a/src/mesa/drivers/dri/intel/intel_decode.c b/src/mesa/drivers/dri/intel/intel_decode.c
index 9c105013c0..0e72ca08b2 100644
--- a/src/mesa/drivers/dri/intel/intel_decode.c
+++ b/src/mesa/drivers/dri/intel/intel_decode.c
@@ -308,6 +308,15 @@ decode_3d_1c(uint32_t *data, int count, uint32_t hw_offset, int *failures)
case 0x10:
instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_ENABLE\n");
return 1;
+ case 0x01:
+ instr_out(data, hw_offset, 0, "3DSTATE_MAP_COORD_SET_I830\n");
+ return 1;
+ case 0x0a:
+ instr_out(data, hw_offset, 0, "3DSTATE_MAP_CUBE_I830\n");
+ return 1;
+ case 0x05:
+ instr_out(data, hw_offset, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
+ return 1;
}
instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
@@ -316,33 +325,39 @@ decode_3d_1c(uint32_t *data, int count, uint32_t hw_offset, int *failures)
}
static int
-decode_3d_1d(uint32_t *data, int count, uint32_t hw_offset, int *failures)
+decode_3d_1d(uint32_t *data, int count, uint32_t hw_offset, int *failures, int i830)
{
unsigned int len, i, c, opcode, word, map, sampler, instr;
struct {
uint32_t opcode;
+ int i830_only;
int min_len;
int max_len;
char *name;
} opcodes_3d_1d[] = {
- { 0x8e, 3, 3, "3DSTATE_BUFFER_INFO" },
- { 0x86, 4, 4, "3DSTATE_CHROMA_KEY" },
- { 0x9c, 1, 1, "3DSTATE_CLEAR_PARAMETERS" },
- { 0x88, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
- { 0x99, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
- { 0x9a, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
- { 0x98, 2, 2, "3DSTATE_DEFAULT_Z" },
- { 0x97, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
- { 0x85, 2, 2, "3DSTATE_DEST_BUFFER_VARIABLES" },
- { 0x80, 5, 5, "3DSTATE_DRAWING_RECTANGLE" },
- { 0x8e, 3, 3, "3DSTATE_BUFFER_INFO" },
- { 0x9d, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
- { 0x9e, 4, 4, "3DSTATE_MONO_FILTER" },
- { 0x89, 4, 4, "3DSTATE_FOG_MODE" },
- { 0x8f, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
- { 0x81, 3, 3, "3DSTATE_SCISSOR_RECTANGLE" },
- { 0x83, 2, 2, "3DSTATE_SPAN_STIPPLE" },
+ { 0x8e, 0, 3, 3, "3DSTATE_BUFFER_INFO" },
+ { 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
+ { 0x9c, 0, 1, 1, "3DSTATE_CLEAR_PARAMETERS" },
+ { 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
+ { 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
+ { 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
+ { 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
+ { 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
+ { 0x85, 0, 2, 2, "3DSTATE_DEST_BUFFER_VARIABLES" },
+ { 0x80, 0, 5, 5, "3DSTATE_DRAWING_RECTANGLE" },
+ { 0x8e, 0, 3, 3, "3DSTATE_BUFFER_INFO" },
+ { 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
+ { 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
+ { 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
+ { 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
+ { 0x81, 0, 3, 3, "3DSTATE_SCISSOR_RECTANGLE" },
+ { 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
+ { 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
+ { 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
+ { 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
+ { 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
+ { 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830" },
};
switch ((data[0] & 0x00ff0000) >> 16) {
@@ -488,6 +503,8 @@ decode_3d_1d(uint32_t *data, int count, uint32_t hw_offset, int *failures)
}
return len;
case 0x01:
+ if (i830)
+ break;
instr_out(data, hw_offset, 0, "3DSTATE_SAMPLER_STATE\n");
len = (data[0] & 0x0000003f) + 2;
i = 1;
@@ -513,6 +530,9 @@ decode_3d_1d(uint32_t *data, int count, uint32_t hw_offset, int *failures)
for (opcode = 0; opcode < sizeof(opcodes_3d_1d) / sizeof(opcodes_3d_1d[0]);
opcode++)
{
+ if (opcodes_3d_1d[opcode].i830_only && !i830)
+ continue;
+
if (((data[0] & 0x00ff0000) >> 16) == opcodes_3d_1d[opcode].opcode) {
len = 1;
@@ -756,7 +776,7 @@ decode_3d(uint32_t *data, int count, uint32_t hw_offset, int *failures)
case 0x1f:
return decode_3d_primitive(data, count, hw_offset, failures);
case 0x1d:
- return decode_3d_1d(data, count, hw_offset, failures);
+ return decode_3d_1d(data, count, hw_offset, failures, 0);
case 0x1c:
return decode_3d_1c(data, count, hw_offset, failures);
}
@@ -999,6 +1019,73 @@ decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, int *failures)
return 1;
}
+static int
+decode_3d_i830(uint32_t *data, int count, uint32_t hw_offset, int *failures)
+{
+ unsigned int opcode;
+
+ struct {
+ uint32_t opcode;
+ int min_len;
+ int max_len;
+ char *name;
+ } opcodes_3d[] = {
+ { 0x02, 1, 1, "3DSTATE_MODES_3" },
+ { 0x03, 1, 1, "3DSTATE_ENABLES_1"},
+ { 0x04, 1, 1, "3DSTATE_ENABLES_2"},
+ { 0x05, 1, 1, "3DSTATE_VFT0"},
+ { 0x06, 1, 1, "3DSTATE_AA"},
+ { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
+ { 0x08, 1, 1, "3DSTATE_MODES_1" },
+ { 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
+ { 0x0a, 1, 1, "3DSTATE_VFT1"},
+ { 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
+ { 0x0c, 1, 1, "3DSTATE_MODES_5" },
+ { 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
+ { 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
+ { 0x0f, 1, 1, "3DSTATE_MODES_2" },
+ { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
+ { 0x16, 1, 1, "3DSTATE_MODES_4" },
+ };
+
+ switch ((data[0] & 0x1f000000) >> 24) {
+ case 0x1f:
+ return decode_3d_primitive(data, count, hw_offset, failures);
+ case 0x1d:
+ return decode_3d_1d(data, count, hw_offset, failures, 1);
+ case 0x1c:
+ return decode_3d_1c(data, count, hw_offset, failures);
+ }
+
+ for (opcode = 0; opcode < sizeof(opcodes_3d) / sizeof(opcodes_3d[0]);
+ opcode++) {
+ if ((data[0] & 0x1f000000) >> 24 == opcodes_3d[opcode].opcode) {
+ unsigned int len = 1, i;
+
+ instr_out(data, hw_offset, 0, "%s\n", opcodes_3d[opcode].name);
+ if (opcodes_3d[opcode].max_len > 1) {
+ len = (data[0] & 0xff) + 2;
+ if (len < opcodes_3d[opcode].min_len ||
+ len > opcodes_3d[opcode].max_len)
+ {
+ fprintf(out, "Bad count in %s\n", opcodes_3d[opcode].name);
+ }
+ }
+
+ for (i = 1; i < len; i++) {
+ if (i >= count)
+ BUFFER_FAIL(count, len, opcodes_3d[opcode].name);
+ instr_out(data, hw_offset, i, "dword %d\n", i);
+ }
+ return len;
+ }
+ }
+
+ instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
+ (*failures)++;
+ return 1;
+}
+
/**
* Decodes an i830-i915 batch buffer, writing the output to stdout.
*
@@ -1028,9 +1115,12 @@ intel_decode(uint32_t *data, int count, uint32_t hw_offset, uint32_t devid)
if (IS_965(devid)) {
index += decode_3d_965(data + index, count - index,
hw_offset + index * 4, &failures);
- } else {
+ } else if (IS_9XX(devid)) {
index += decode_3d(data + index, count - index,
hw_offset + index * 4, &failures);
+ } else {
+ index += decode_3d_i830(data + index, count - index,
+ hw_offset + index * 4, &failures);
}
break;
default:
diff --git a/src/mesa/drivers/dri/intel/intel_reg.h b/src/mesa/drivers/dri/intel/intel_reg.h
index 81a7386e42..68d8a05b83 100644
--- a/src/mesa/drivers/dri/intel/intel_reg.h
+++ b/src/mesa/drivers/dri/intel/intel_reg.h
@@ -80,7 +80,7 @@
*/
#define S0_VB_OFFSET_MASK_830 0xffffff8
#define S0_VB_PITCH_SHIFT_830 1
-#define S0_VB_ENABLE_830 0
+#define S0_VB_ENABLE_830 (1<<0)
/** @} */
#define S1_VERTEX_WIDTH_SHIFT 24
@@ -100,8 +100,8 @@
#define S2_TEXCOORD_FMT(unit, type) ((type)<<(unit*4))
#define S2_TEXCOORD_NONE (~0)
#define S2_TEX_COUNT_SHIFT_830 12
-#define S2_VERTEX_0_WIDTH_SHIFT_830 0
-#define S2_VERTEX_1_WIDTH_SHIFT_830 6
+#define S2_VERTEX_1_WIDTH_SHIFT_830 0
+#define S2_VERTEX_0_WIDTH_SHIFT_830 6
/* S3 not interesting */
#define S4_POINT_WIDTH_SHIFT 23
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index bd38e0c3d8..d3282d42e9 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -1689,7 +1689,7 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_LUMINANCE || dstFormat == GL_LUMINANCE_ALPHA) {
/* compute luminance values */
- if (dstType != GL_FLOAT || ctx->Color.ClampReadColor == GL_TRUE) {
+ if (transferOps & IMAGE_CLAMP_BIT) {
for (i = 0; i < n; i++) {
GLfloat sum = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP];
luminance[i] = CLAMP(sum, 0.0F, 1.0F);
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index 237ddaa683..3cb103f51f 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -297,10 +297,13 @@ static void make_state_key( GLcontext *ctx, struct state_key *key )
for (i=0;i<MAX_TEXTURE_UNITS;i++) {
const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
+ GLenum format;
if (!texUnit->_ReallyEnabled || !texUnit->Enabled)
continue;
+ format = texUnit->_Current->Image[0][texUnit->_Current->BaseLevel]->_BaseFormat;
+
key->unit[i].enabled = 1;
key->enabled_units |= (1<<i);
key->nr_enabled_units = i+1;
@@ -308,7 +311,9 @@ static void make_state_key( GLcontext *ctx, struct state_key *key )
key->unit[i].source_index =
translate_tex_src_bit(texUnit->_ReallyEnabled);
- key->unit[i].shadow = texUnit->_Current->CompareMode == GL_COMPARE_R_TO_TEXTURE;
+ key->unit[i].shadow = ((texUnit->_Current->CompareMode == GL_COMPARE_R_TO_TEXTURE) &&
+ ((format == GL_DEPTH_COMPONENT) ||
+ (format == GL_DEPTH_STENCIL_EXT)));
key->unit[i].NumArgsRGB = texUnit->_CurrentCombine->_NumArgsRGB;
key->unit[i].NumArgsA = texUnit->_CurrentCombine->_NumArgsA;
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index c1fafbae30..7278180a5c 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -3719,6 +3719,14 @@ _mesa_get_teximage(GLcontext *ctx, GLenum target, GLint level,
/* general case: convert row to RGBA format */
GLfloat rgba[MAX_WIDTH][4];
GLint col;
+ GLbitfield transferOps = 0x0;
+
+ if (type == GL_FLOAT &&
+ ((ctx->Color.ClampReadColor == GL_TRUE) ||
+ (ctx->Color.ClampReadColor == GL_FIXED_ONLY_ARB &&
+ texImage->TexFormat->DataType != GL_FLOAT)))
+ transferOps |= IMAGE_CLAMP_BIT;
+
for (col = 0; col < width; col++) {
(*texImage->FetchTexelf)(texImage, col, row, img, rgba[col]);
if (texImage->TexFormat->BaseFormat == GL_ALPHA) {
@@ -3743,7 +3751,7 @@ _mesa_get_teximage(GLcontext *ctx, GLenum target, GLint level,
}
_mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba,
format, type, dest,
- &ctx->Pack, 0x0 /*image xfer ops*/);
+ &ctx->Pack, transferOps /*image xfer ops*/);
} /* format */
} /* row */
} /* img */
diff --git a/src/mesa/shader/slang/library/slang_shader.syn b/src/mesa/shader/slang/library/slang_shader.syn
index cbfbda651a..47245e0d87 100644
--- a/src/mesa/shader/slang/library/slang_shader.syn
+++ b/src/mesa/shader/slang/library/slang_shader.syn
@@ -837,10 +837,8 @@ parameter_type_specifier_3
* <init_declarator_list> ::= <single_declaration>
* | <init_declarator_list> "," <identifier>
* | <init_declarator_list> "," <identifier> "[" "]"
- * | <init_declarator_list> "," <identifier> "["
- * <constant_expression> "]"
- * | <init_declarator_list> "," <identifier> "="
- * <initializer>
+ * | <init_declarator_list> "," <identifier> "[" <constant_expression> "]"
+ * | <init_declarator_list> "," <identifier> "=" <initializer>
*/
init_declarator_list
single_declaration .and .loop init_declarator_list_1 .emit DECLARATOR_NEXT .and
@@ -860,10 +858,9 @@ init_declarator_list_5
* <single_declaration> ::= <fully_specified_type>
* | <fully_specified_type> <identifier>
* | <fully_specified_type> <identifier> "[" "]"
- * | <fully_specified_type> <identifier> "["
- * <constant_expression> "]"
+ * | <fully_specified_type> <identifier> "[" <constant_expression> "]"
* | <fully_specified_type> <identifier> "=" <initializer>
-*/
+ */
single_declaration
single_declaration_nospace .or single_declaration_space;
single_declaration_space
@@ -924,12 +921,12 @@ centroid_qualifier
/*
- * <type_qualifier> ::= "const"
- * | "attribute" // Vertex only.
- * | "varying"
- * | "uniform"
- * | "__fixed_output"
- * | "__fixed_input"
+ * <type_qualifier> ::= "const"
+ * | "attribute" // Vertex only.
+ * | "varying"
+ * | "uniform"
+ * | "__fixed_output"
+ * | "__fixed_input"
*
* note: this is an extension to the standard language specification,
* normally slang disallows __fixed_output and __fixed_input type qualifiers
@@ -1013,7 +1010,7 @@ type_specifier_nospace
/*
* <struct_specifier> ::= "struct" <identifier> "{" <struct_declaration_list> "}"
- * | "struct" "{" <struct_declaration_list> "}"
+ * | "struct" "{" <struct_declaration_list> "}"
*/
struct_specifier
"struct" .and struct_specifier_1 .and optional_space .and lbrace .error LBRACE_EXPECTED .and
@@ -1025,7 +1022,7 @@ struct_specifier_2
/*
* <struct_declaration_list> ::= <struct_declaration>
- * | <struct_declaration_list> <struct_declaration>
+ * | <struct_declaration_list> <struct_declaration>
*/
struct_declaration_list
struct_declaration .and .loop struct_declaration .emit FIELD_NEXT;
@@ -1042,7 +1039,7 @@ struct_declaration_nospace
/*
* <struct_declarator_list> ::= <struct_declarator>
- * | <struct_declarator_list> "," <struct_declarator>
+ * | <struct_declarator_list> "," <struct_declarator>
*/
struct_declarator_list
struct_declarator .and .loop struct_declarator_list_1 .emit FIELD_NEXT;
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index d23ae4d8cb..851335d9c5 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -1477,6 +1477,8 @@ _slang_simple_writemask(GLuint writemask, GLuint swizzle)
* Convert the given swizzle into a writemask. In some cases this
* is trivial, in other cases, we'll need to also swizzle the right
* hand side to put components in the right places.
+ * See comment above for more info.
+ * XXX this function could be simplified and should probably be renamed.
* \param swizzle the incoming swizzle
* \param writemaskOut returns the writemask
* \param swizzleOut swizzle to apply to the right-hand-side
@@ -3114,7 +3116,7 @@ _slang_gen_struct_field(slang_assemble_ctx * A, slang_operation *oper)
/* oper->a_id is the field name */
slang_ir_node *base, *n;
slang_typeinfo field_ti;
- GLint fieldSize, fieldOffset = -1, swz;
+ GLint fieldSize, fieldOffset = -1;
/* type of field */
slang_typeinfo_construct(&field_ti);
@@ -3147,22 +3149,12 @@ _slang_gen_struct_field(slang_assemble_ctx * A, slang_operation *oper)
if (!n)
return NULL;
-
- /* setup the storage info for this node */
- swz = fieldOffset % 4;
-
n->Field = (char *) oper->a_id;
- n->Store = _slang_new_ir_storage_relative(fieldOffset / 4,
- fieldSize,
- base->Store);
- if (fieldSize == 1)
- n->Store->Swizzle = MAKE_SWIZZLE4(swz, swz, swz, swz);
- else if (fieldSize == 2)
- n->Store->Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y,
- SWIZZLE_NIL, SWIZZLE_NIL);
- else if (fieldSize == 3)
- n->Store->Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y,
- SWIZZLE_Z, SWIZZLE_NIL);
+
+ /* Store the field's offset in storage->Index */
+ n->Store = _slang_new_ir_storage(base->Store->File,
+ fieldOffset,
+ fieldSize);
return n;
}
@@ -3255,12 +3247,12 @@ _slang_gen_array_element(slang_assemble_ctx * A, slang_operation *oper)
}
elem = new_node2(IR_ELEMENT, array, index);
- elem->Store = _slang_new_ir_storage_relative(constIndex,
- elemSize,
- array->Store);
- assert(elem->Store->Parent);
- /* XXX try to do some array bounds checking here */
+ /* The storage info here will be updated during code emit */
+ elem->Store = _slang_new_ir_storage(array->Store->File,
+ array->Store->Index,
+ elemSize);
+
return elem;
}
else {
diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c
index 72b83c0422..07c40eaa32 100644
--- a/src/mesa/shader/slang/slang_compile.c
+++ b/src/mesa/shader/slang/slang_compile.c
@@ -167,6 +167,16 @@ typedef struct slang_output_ctx_
/* _slang_compile() */
+
+/* Debugging aid, print file/line where parsing error is detected */
+#define RETURN0 \
+ do { \
+ if (0) \
+ printf("slang error at %s:%d\n", __FILE__, __LINE__); \
+ return 0; \
+ } while (0)
+
+
static void
parse_identifier_str(slang_parse_ctx * C, char **id)
{
@@ -223,7 +233,7 @@ parse_float(slang_parse_ctx * C, float *number)
_mesa_strlen(exponent) + 3) * sizeof(char));
if (whole == NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
slang_string_copy(whole, integral);
@@ -247,7 +257,7 @@ check_revision(slang_parse_ctx * C)
{
if (*C->I != REVISION) {
slang_info_log_error(C->L, "Internal compiler error.");
- return 0;
+ RETURN0;
}
C->I++;
return 1;
@@ -387,23 +397,23 @@ parse_struct_field(slang_parse_ctx * C, slang_output_ctx * O,
o.structs = st->structs;
if (!parse_type_specifier(C, &o, sp))
- return 0;
+ RETURN0;
do {
slang_atom a_name;
slang_variable *var = slang_variable_scope_grow(st->fields);
if (!var) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
a_name = parse_identifier(C);
if (_slang_locate_variable(st->fields, a_name, GL_FALSE)) {
slang_info_log_error(C->L, "duplicate field '%s'", (char *) a_name);
- return 0;
+ RETURN0;
}
if (!parse_struct_field_var(C, &o, var, a_name, sp))
- return 0;
+ RETURN0;
}
while (*C->I++ != FIELD_NONE);
@@ -419,26 +429,26 @@ parse_struct(slang_parse_ctx * C, slang_output_ctx * O, slang_struct ** st)
/* parse struct name (if any) and make sure it is unique in current scope */
a_name = parse_identifier(C);
if (a_name == SLANG_ATOM_NULL)
- return 0;
+ RETURN0;
name = slang_atom_pool_id(C->atoms, a_name);
if (name[0] != '\0'
&& slang_struct_scope_find(O->structs, a_name, 0) != NULL) {
slang_info_log_error(C->L, "%s: duplicate type name.", name);
- return 0;
+ RETURN0;
}
/* set-up a new struct */
*st = (slang_struct *) _slang_alloc(sizeof(slang_struct));
if (*st == NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
if (!slang_struct_construct(*st)) {
_slang_free(*st);
*st = NULL;
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
(**st).a_name = a_name;
(**st).structs->outer_scope = O->structs;
@@ -450,7 +460,7 @@ parse_struct(slang_parse_ctx * C, slang_output_ctx * O, slang_struct ** st)
slang_type_specifier_ctr(&sp);
if (!parse_struct_field(C, O, *st, &sp)) {
slang_type_specifier_dtr(&sp);
- return 0;
+ RETURN0;
}
slang_type_specifier_dtr(&sp);
}
@@ -468,14 +478,14 @@ parse_struct(slang_parse_ctx * C, slang_output_ctx * O, slang_struct ** st)
* sizeof(slang_struct));
if (O->structs->structs == NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
s = &O->structs->structs[O->structs->num_structs];
if (!slang_struct_construct(s))
- return 0;
+ RETURN0;
O->structs->num_structs++;
if (!slang_struct_copy(s, *st))
- return 0;
+ RETURN0;
}
return 1;
@@ -498,7 +508,7 @@ parse_type_variant(slang_parse_ctx * C, slang_type_variant *variant)
*variant = SLANG_INVARIANT;
return 1;
default:
- return 0;
+ RETURN0;
}
}
@@ -519,7 +529,7 @@ parse_type_centroid(slang_parse_ctx * C, slang_type_centroid *centroid)
*centroid = SLANG_CENTROID;
return 1;
default:
- return 0;
+ RETURN0;
}
}
@@ -560,7 +570,7 @@ parse_type_qualifier(slang_parse_ctx * C, slang_type_qualifier * qual)
*qual = SLANG_QUAL_FIXEDINPUT;
break;
default:
- return 0;
+ RETURN0;
}
return 1;
}
@@ -698,7 +708,7 @@ parse_type_specifier(slang_parse_ctx * C, slang_output_ctx * O,
case TYPE_SPECIFIER_STRUCT:
spec->type = SLANG_SPEC_STRUCT;
if (!parse_struct(C, O, &spec->_struct))
- return 0;
+ RETURN0;
break;
case TYPE_SPECIFIER_TYPENAME:
spec->type = SLANG_SPEC_STRUCT;
@@ -708,31 +718,31 @@ parse_type_specifier(slang_parse_ctx * C, slang_output_ctx * O,
a_name = parse_identifier(C);
if (a_name == NULL)
- return 0;
+ RETURN0;
stru = slang_struct_scope_find(O->structs, a_name, 1);
if (stru == NULL) {
slang_info_log_error(C->L, "undeclared type name '%s'",
slang_atom_pool_id(C->atoms, a_name));
- return 0;
+ RETURN0;
}
spec->_struct = (slang_struct *) _slang_alloc(sizeof(slang_struct));
if (spec->_struct == NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
if (!slang_struct_construct(spec->_struct)) {
_slang_free(spec->_struct);
spec->_struct = NULL;
- return 0;
+ RETURN0;
}
if (!slang_struct_copy(spec->_struct, stru))
- return 0;
+ RETURN0;
}
break;
default:
- return 0;
+ RETURN0;
}
return 1;
}
@@ -762,7 +772,7 @@ parse_type_precision(slang_parse_ctx *C,
*precision = SLANG_PREC_HIGH;
return 1;
default:
- return 0;
+ RETURN0;
}
}
@@ -771,36 +781,36 @@ parse_fully_specified_type(slang_parse_ctx * C, slang_output_ctx * O,
slang_fully_specified_type * type)
{
if (!parse_type_variant(C, &type->variant))
- return 0;
+ RETURN0;
if (!parse_type_centroid(C, &type->centroid))
- return 0;
+ RETURN0;
if (!parse_type_qualifier(C, &type->qualifier))
- return 0;
+ RETURN0;
if (!parse_type_precision(C, &type->precision))
- return 0;
+ RETURN0;
if (!parse_type_specifier(C, O, &type->specifier))
- return 0;
+ RETURN0;
if (!O->allow_invariant && type->variant == SLANG_INVARIANT) {
slang_info_log_error(C->L,
"'invariant' keyword not allowed (perhaps set #version 120)");
- return 0;
+ RETURN0;
}
if (!O->allow_centroid && type->centroid == SLANG_CENTROID) {
slang_info_log_error(C->L,
"'centroid' keyword not allowed (perhaps set #version 120)");
- return 0;
+ RETURN0;
}
else if (type->centroid == SLANG_CENTROID &&
type->qualifier != SLANG_QUAL_VARYING) {
slang_info_log_error(C->L,
"'centroid' keyword only allowed for varying vars");
- return 0;
+ RETURN0;
}
@@ -809,7 +819,7 @@ parse_fully_specified_type(slang_parse_ctx * C, slang_output_ctx * O,
type->variant == SLANG_INVARIANT) {
slang_info_log_error(C->L,
"invariant qualifer only allowed for varying vars");
- return 0;
+ RETURN0;
}
*/
@@ -824,7 +834,7 @@ parse_fully_specified_type(slang_parse_ctx * C, slang_output_ctx * O,
/* only default is allowed */
if (type->precision != SLANG_PREC_DEFAULT) {
slang_info_log_error(C->L, "precision qualifiers not allowed");
- return 0;
+ RETURN0;
}
}
@@ -935,7 +945,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O,
oper->type = SLANG_OPER_BLOCK_NO_NEW_SCOPE;
while (*C->I != OP_END)
if (!parse_child_operation(C, O, oper, 1))
- return 0;
+ RETURN0;
C->I++;
break;
case OP_BLOCK_BEGIN_NEW_SCOPE:
@@ -947,7 +957,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O,
o.vars = oper->locals;
while (*C->I != OP_END)
if (!parse_child_operation(C, &o, oper, 1))
- return 0;
+ RETURN0;
C->I++;
}
break;
@@ -963,7 +973,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O,
* than one declarators
*/
if (!parse_declaration(C, O))
- return 0;
+ RETURN0;
if (first_var < O->vars->num_variables) {
const unsigned int num_vars = O->vars->num_variables - first_var;
unsigned int i;
@@ -972,7 +982,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O,
oper->children = slang_operation_new(num_vars);
if (oper->children == NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
for (i = first_var; i < O->vars->num_variables; i++) {
slang_operation *o = &oper->children[i - first_var];
@@ -983,7 +993,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O,
if (!legal_identifier(o->a_id)) {
slang_info_log_error(C->L, "illegal variable name '%s'",
(char *) o->a_id);
- return 0;
+ RETURN0;
}
}
}
@@ -996,10 +1006,10 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O,
oper->type = SLANG_OPER_ASM;
oper->a_id = parse_identifier(C);
if (oper->a_id == SLANG_ATOM_NULL)
- return 0;
+ RETURN0;
while (*C->I != OP_END) {
if (!parse_child_operation(C, O, oper, 0))
- return 0;
+ RETURN0;
}
C->I++;
break;
@@ -1015,21 +1025,21 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O,
case OP_RETURN:
oper->type = SLANG_OPER_RETURN;
if (!parse_child_operation(C, O, oper, 0))
- return 0;
+ RETURN0;
break;
case OP_EXPRESSION:
oper->type = SLANG_OPER_EXPRESSION;
if (!parse_child_operation(C, O, oper, 0))
- return 0;
+ RETURN0;
break;
case OP_IF:
oper->type = SLANG_OPER_IF;
if (!parse_child_operation(C, O, oper, 0))
- return 0;
+ RETURN0;
if (!parse_child_operation(C, O, oper, 1))
- return 0;
+ RETURN0;
if (!parse_child_operation(C, O, oper, 1))
- return 0;
+ RETURN0;
break;
case OP_WHILE:
{
@@ -1038,17 +1048,17 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O,
oper->type = SLANG_OPER_WHILE;
o.vars = oper->locals;
if (!parse_child_operation(C, &o, oper, 1))
- return 0;
+ RETURN0;
if (!parse_child_operation(C, &o, oper, 1))
- return 0;
+ RETURN0;
}
break;
case OP_DO:
oper->type = SLANG_OPER_DO;
if (!parse_child_operation(C, O, oper, 1))
- return 0;
+ RETURN0;
if (!parse_child_operation(C, O, oper, 0))
- return 0;
+ RETURN0;
break;
case OP_FOR:
{
@@ -1057,13 +1067,13 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O,
oper->type = SLANG_OPER_FOR;
o.vars = oper->locals;
if (!parse_child_operation(C, &o, oper, 1))
- return 0;
+ RETURN0;
if (!parse_child_operation(C, &o, oper, 1))
- return 0;
+ RETURN0;
if (!parse_child_operation(C, &o, oper, 0))
- return 0;
+ RETURN0;
if (!parse_child_operation(C, &o, oper, 1))
- return 0;
+ RETURN0;
}
break;
case OP_PRECISION:
@@ -1077,7 +1087,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O,
}
break;
default:
- return 0;
+ RETURN0;
}
return 1;
}
@@ -1092,7 +1102,7 @@ handle_nary_expression(slang_parse_ctx * C, slang_operation * op,
op->children = slang_operation_new(n);
if (op->children == NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
op->num_children = n;
@@ -1110,7 +1120,7 @@ handle_nary_expression(slang_parse_ctx * C, slang_operation * op,
*total_ops * sizeof(slang_operation));
if (*ops == NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
return 1;
}
@@ -1143,12 +1153,12 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O,
(num_ops + 1) * sizeof(slang_operation));
if (ops == NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
op = &ops[num_ops];
if (!slang_operation_construct(op)) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
num_ops++;
op->locals->outer_scope = O->vars;
@@ -1160,7 +1170,7 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O,
case OP_PUSH_BOOL:
op->type = SLANG_OPER_LITERAL_BOOL;
if (!parse_number(C, &number))
- return 0;
+ RETURN0;
op->literal[0] =
op->literal[1] =
op->literal[2] =
@@ -1170,7 +1180,7 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O,
case OP_PUSH_INT:
op->type = SLANG_OPER_LITERAL_INT;
if (!parse_number(C, &number))
- return 0;
+ RETURN0;
op->literal[0] =
op->literal[1] =
op->literal[2] =
@@ -1180,7 +1190,7 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O,
case OP_PUSH_FLOAT:
op->type = SLANG_OPER_LITERAL_FLOAT;
if (!parse_float(C, &op->literal[0]))
- return 0;
+ RETURN0;
op->literal[1] =
op->literal[2] =
op->literal[3] = op->literal[0];
@@ -1190,37 +1200,37 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O,
op->type = SLANG_OPER_IDENTIFIER;
op->a_id = parse_identifier(C);
if (op->a_id == SLANG_ATOM_NULL)
- return 0;
+ RETURN0;
break;
case OP_SEQUENCE:
op->type = SLANG_OPER_SEQUENCE;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_ASSIGN:
op->type = SLANG_OPER_ASSIGN;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_ADDASSIGN:
op->type = SLANG_OPER_ADDASSIGN;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_SUBASSIGN:
op->type = SLANG_OPER_SUBASSIGN;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_MULASSIGN:
op->type = SLANG_OPER_MULASSIGN;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_DIVASSIGN:
op->type = SLANG_OPER_DIVASSIGN;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
/*case OP_MODASSIGN: */
/*case OP_LSHASSIGN: */
@@ -1231,22 +1241,22 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O,
case OP_SELECT:
op->type = SLANG_OPER_SELECT;
if (!handle_nary_expression(C, op, &ops, &num_ops, 3))
- return 0;
+ RETURN0;
break;
case OP_LOGICALOR:
op->type = SLANG_OPER_LOGICALOR;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_LOGICALXOR:
op->type = SLANG_OPER_LOGICALXOR;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_LOGICALAND:
op->type = SLANG_OPER_LOGICALAND;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
/*case OP_BITOR: */
/*case OP_BITXOR: */
@@ -1254,95 +1264,95 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O,
case OP_EQUAL:
op->type = SLANG_OPER_EQUAL;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_NOTEQUAL:
op->type = SLANG_OPER_NOTEQUAL;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_LESS:
op->type = SLANG_OPER_LESS;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_GREATER:
op->type = SLANG_OPER_GREATER;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_LESSEQUAL:
op->type = SLANG_OPER_LESSEQUAL;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_GREATEREQUAL:
op->type = SLANG_OPER_GREATEREQUAL;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
/*case OP_LSHIFT: */
/*case OP_RSHIFT: */
case OP_ADD:
op->type = SLANG_OPER_ADD;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_SUBTRACT:
op->type = SLANG_OPER_SUBTRACT;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_MULTIPLY:
op->type = SLANG_OPER_MULTIPLY;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_DIVIDE:
op->type = SLANG_OPER_DIVIDE;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
/*case OP_MODULUS: */
case OP_PREINCREMENT:
op->type = SLANG_OPER_PREINCREMENT;
if (!handle_nary_expression(C, op, &ops, &num_ops, 1))
- return 0;
+ RETURN0;
break;
case OP_PREDECREMENT:
op->type = SLANG_OPER_PREDECREMENT;
if (!handle_nary_expression(C, op, &ops, &num_ops, 1))
- return 0;
+ RETURN0;
break;
case OP_PLUS:
op->type = SLANG_OPER_PLUS;
if (!handle_nary_expression(C, op, &ops, &num_ops, 1))
- return 0;
+ RETURN0;
break;
case OP_MINUS:
op->type = SLANG_OPER_MINUS;
if (!handle_nary_expression(C, op, &ops, &num_ops, 1))
- return 0;
+ RETURN0;
break;
case OP_NOT:
op->type = SLANG_OPER_NOT;
if (!handle_nary_expression(C, op, &ops, &num_ops, 1))
- return 0;
+ RETURN0;
break;
/*case OP_COMPLEMENT: */
case OP_SUBSCRIPT:
op->type = SLANG_OPER_SUBSCRIPT;
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
- return 0;
+ RETURN0;
break;
case OP_CALL:
op->type = SLANG_OPER_CALL;
op->a_id = parse_identifier(C);
if (op->a_id == SLANG_ATOM_NULL)
- return 0;
+ RETURN0;
while (*C->I != OP_END)
if (!parse_child_operation(C, O, op, 0))
- return 0;
+ RETURN0;
C->I++;
if (!C->parsing_builtin
@@ -1352,7 +1362,7 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O,
id = slang_atom_pool_id(C->atoms, op->a_id);
if (!is_constructor_name(id, op->a_id, O->structs)) {
slang_info_log_error(C->L, "%s: undeclared function name.", id);
- return 0;
+ RETURN0;
}
}
break;
@@ -1360,22 +1370,22 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O,
op->type = SLANG_OPER_FIELD;
op->a_id = parse_identifier(C);
if (op->a_id == SLANG_ATOM_NULL)
- return 0;
+ RETURN0;
if (!handle_nary_expression(C, op, &ops, &num_ops, 1))
- return 0;
+ RETURN0;
break;
case OP_POSTINCREMENT:
op->type = SLANG_OPER_POSTINCREMENT;
if (!handle_nary_expression(C, op, &ops, &num_ops, 1))
- return 0;
+ RETURN0;
break;
case OP_POSTDECREMENT:
op->type = SLANG_OPER_POSTDECREMENT;
if (!handle_nary_expression(C, op, &ops, &num_ops, 1))
- return 0;
+ RETURN0;
break;
default:
- return 0;
+ RETURN0;
}
}
C->I++;
@@ -1406,7 +1416,7 @@ parse_parameter_declaration(slang_parse_ctx * C, slang_output_ctx * O,
* two at most) because not all combinations are valid
*/
if (!parse_type_qualifier(C, &param->type.qualifier))
- return 0;
+ RETURN0;
param_qual = *C->I++;
switch (param_qual) {
@@ -1414,7 +1424,7 @@ parse_parameter_declaration(slang_parse_ctx * C, slang_output_ctx * O,
if (param->type.qualifier != SLANG_QUAL_CONST
&& param->type.qualifier != SLANG_QUAL_NONE) {
slang_info_log_error(C->L, "Invalid type qualifier.");
- return 0;
+ RETURN0;
}
break;
case PARAM_QUALIFIER_OUT:
@@ -1422,7 +1432,7 @@ parse_parameter_declaration(slang_parse_ctx * C, slang_output_ctx * O,
param->type.qualifier = SLANG_QUAL_OUT;
else {
slang_info_log_error(C->L, "Invalid type qualifier.");
- return 0;
+ RETURN0;
}
break;
case PARAM_QUALIFIER_INOUT:
@@ -1430,11 +1440,11 @@ parse_parameter_declaration(slang_parse_ctx * C, slang_output_ctx * O,
param->type.qualifier = SLANG_QUAL_INOUT;
else {
slang_info_log_error(C->L, "Invalid type qualifier.");
- return 0;
+ RETURN0;
}
break;
default:
- return 0;
+ RETURN0;
}
/* parse precision qualifier (lowp, mediump, highp */
@@ -1444,10 +1454,10 @@ parse_parameter_declaration(slang_parse_ctx * C, slang_output_ctx * O,
/* parse parameter's type specifier and name */
if (!parse_type_specifier(C, O, &param->type.specifier))
- return 0;
+ RETURN0;
param->a_name = parse_identifier(C);
if (param->a_name == SLANG_ATOM_NULL)
- return 0;
+ RETURN0;
/* if the parameter is an array, parse its size (the size must be
* explicitly defined
@@ -1564,13 +1574,13 @@ parse_operator_name(slang_parse_ctx * C)
slang_atom_pool_atom(C->atoms, operator_names[i].o_name);
if (atom == SLANG_ATOM_NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
C->I++;
return atom;
}
}
- return 0;
+ RETURN0;
}
@@ -1581,7 +1591,7 @@ parse_function_prototype(slang_parse_ctx * C, slang_output_ctx * O,
GLuint functype;
/* parse function type and name */
if (!parse_fully_specified_type(C, O, &func->header.type))
- return 0;
+ RETURN0;
functype = *C->I++;
switch (functype) {
@@ -1589,35 +1599,35 @@ parse_function_prototype(slang_parse_ctx * C, slang_output_ctx * O,
func->kind = SLANG_FUNC_ORDINARY;
func->header.a_name = parse_identifier(C);
if (func->header.a_name == SLANG_ATOM_NULL)
- return 0;
+ RETURN0;
break;
case FUNCTION_CONSTRUCTOR:
func->kind = SLANG_FUNC_CONSTRUCTOR;
if (func->header.type.specifier.type == SLANG_SPEC_STRUCT)
- return 0;
+ RETURN0;
func->header.a_name =
slang_atom_pool_atom(C->atoms,
slang_type_specifier_type_to_string
(func->header.type.specifier.type));
if (func->header.a_name == SLANG_ATOM_NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
break;
case FUNCTION_OPERATOR:
func->kind = SLANG_FUNC_OPERATOR;
func->header.a_name = parse_operator_name(C);
if (func->header.a_name == SLANG_ATOM_NULL)
- return 0;
+ RETURN0;
break;
default:
- return 0;
+ RETURN0;
}
if (!legal_identifier(func->header.a_name)) {
slang_info_log_error(C->L, "illegal function name '%s'",
(char *) func->header.a_name);
- return 0;
+ RETURN0;
}
/* parse function parameters */
@@ -1625,10 +1635,10 @@ parse_function_prototype(slang_parse_ctx * C, slang_output_ctx * O,
slang_variable *p = slang_variable_scope_grow(func->parameters);
if (!p) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
if (!parse_parameter_declaration(C, O, p))
- return 0;
+ RETURN0;
}
/* if the function returns a value, append a hidden __retVal 'out'
@@ -1662,19 +1672,19 @@ parse_function_definition(slang_parse_ctx * C, slang_output_ctx * O,
slang_output_ctx o = *O;
if (!parse_function_prototype(C, O, func))
- return 0;
+ RETURN0;
/* create function's body operation */
func->body = (slang_operation *) _slang_alloc(sizeof(slang_operation));
if (func->body == NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
if (!slang_operation_construct(func->body)) {
_slang_free(func->body);
func->body = NULL;
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
/* to parse the body the parse context is modified in order to
@@ -1683,7 +1693,7 @@ parse_function_definition(slang_parse_ctx * C, slang_output_ctx * O,
C->global_scope = GL_FALSE;
o.vars = func->parameters;
if (!parse_statement(C, &o, func->body))
- return 0;
+ RETURN0;
C->global_scope = GL_TRUE;
return 1;
@@ -1779,46 +1789,46 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O,
slang_info_log_error(C->L,
"declaration of '%s' conflicts with previous declaration",
(char *) a_name);
- return 0;
+ RETURN0;
}
/* make room for the new variable and initialize it */
var = slang_variable_scope_grow(O->vars);
if (!var) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
/* copy the declarator qualifier type, parse the identifier */
var->type.qualifier = type->qualifier;
var->a_name = a_name;
if (var->a_name == SLANG_ATOM_NULL)
- return 0;
+ RETURN0;
switch (*C->I++) {
case VARIABLE_NONE:
/* simple variable declarator - just copy the specifier */
if (!slang_type_specifier_copy(&var->type.specifier, &type->specifier))
- return 0;
+ RETURN0;
break;
case VARIABLE_INITIALIZER:
/* initialized variable - copy the specifier and parse the expression */
if (!slang_type_specifier_copy(&var->type.specifier, &type->specifier))
- return 0;
+ RETURN0;
var->initializer =
(slang_operation *) _slang_alloc(sizeof(slang_operation));
if (var->initializer == NULL) {
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
if (!slang_operation_construct(var->initializer)) {
_slang_free(var->initializer);
var->initializer = NULL;
slang_info_log_memory(C->L);
- return 0;
+ RETURN0;
}
if (!parse_expression(C, O, var->initializer))
- return 0;
+ RETURN0;
break;
case VARIABLE_ARRAY_UNKNOWN:
/* unsized array - mark it as array and copy the specifier to
@@ -1834,7 +1844,7 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O,
return GL_FALSE;
break;
default:
- return 0;
+ RETURN0;
}
/* allocate global address space for a variable with a known size */
@@ -1858,7 +1868,7 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O,
A.log = C->L;
A.curFuncEndLabel = NULL;
if (!_slang_codegen_global_variable(&A, var, C->type))
- return 0;
+ RETURN0;
}
/* initialize global variable */
@@ -1871,7 +1881,7 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O,
A.space.structs = O->structs;
A.space.vars = O->vars;
if (!initialize_global(&A, var))
- return 0;
+ RETURN0;
}
}
return 1;
@@ -1888,17 +1898,17 @@ parse_init_declarator_list(slang_parse_ctx * C, slang_output_ctx * O)
/* parse the fully specified type, common to all declarators */
if (!slang_fully_specified_type_construct(&type))
- return 0;
+ RETURN0;
if (!parse_fully_specified_type(C, O, &type)) {
slang_fully_specified_type_destruct(&type);
- return 0;
+ RETURN0;
}
/* parse declarators, pass-in the parsed type */
do {
if (!parse_init_declarator(C, O, &type)) {
slang_fully_specified_type_destruct(&type);
- return 0;
+ RETURN0;
}
}
while (*C->I++ == DECLARATOR_NEXT);
@@ -2005,18 +2015,18 @@ parse_declaration(slang_parse_ctx * C, slang_output_ctx * O)
switch (*C->I++) {
case DECLARATION_INIT_DECLARATOR_LIST:
if (!parse_init_declarator_list(C, O))
- return 0;
+ RETURN0;
break;
case DECLARATION_FUNCTION_PROTOTYPE:
{
slang_function *dummy_func;
if (!parse_function(C, O, 0, &dummy_func))
- return 0;
+ RETURN0;
}
break;
default:
- return 0;
+ RETURN0;
}
return 1;
}
@@ -2028,7 +2038,7 @@ parse_default_precision(slang_parse_ctx * C, slang_output_ctx * O)
if (!O->allow_precision) {
slang_info_log_error(C->L, "syntax error at \"precision\"");
- return 0;
+ RETURN0;
}
precision = *C->I++;
@@ -2041,7 +2051,7 @@ parse_default_precision(slang_parse_ctx * C, slang_output_ctx * O)
default:
_mesa_problem(NULL, "unexpected precision %d at %s:%d\n",
precision, __FILE__, __LINE__);
- return 0;
+ RETURN0;
}
type = *C->I++;
@@ -2061,7 +2071,7 @@ parse_default_precision(slang_parse_ctx * C, slang_output_ctx * O)
default:
_mesa_problem(NULL, "unexpected type %d at %s:%d\n",
type, __FILE__, __LINE__);
- return 0;
+ RETURN0;
}
assert(type < TYPE_SPECIFIER_COUNT);
@@ -2108,7 +2118,7 @@ parse_invariant(slang_parse_ctx * C, slang_output_ctx * O)
}
else {
slang_info_log_error(C->L, "syntax error at \"invariant\"");
- return 0;
+ RETURN0;
}
}
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index b67cea7617..0a3ab39eb1 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -60,6 +60,8 @@ typedef struct
struct gl_program **Subroutines;
GLuint NumSubroutines;
+ GLuint MaxInstructions; /**< size of prog->Instructions[] buffer */
+
/* code-gen options */
GLboolean EmitHighLevelInstructions;
GLboolean EmitCondCodes;
@@ -259,13 +261,16 @@ fix_swizzle(GLuint swizzle)
static void
storage_to_dst_reg(struct prog_dst_register *dst, const slang_ir_storage *st)
{
+ const GLboolean relAddr = st->RelAddr;
const GLint size = st->Size;
GLint index = st->Index;
GLuint swizzle = st->Swizzle;
+ assert(index >= 0);
/* if this is storage relative to some parent storage, walk up the tree */
while (st->Parent) {
st = st->Parent;
+ assert(st->Index >= 0);
index += st->Index;
swizzle = _slang_swizzle_swizzle(st->Swizzle, swizzle);
}
@@ -302,6 +307,8 @@ storage_to_dst_reg(struct prog_dst_register *dst, const slang_ir_storage *st)
}
dst->WriteMask = writemask;
}
+
+ dst->RelAddr = relAddr;
}
@@ -316,8 +323,10 @@ storage_to_src_reg(struct prog_src_register *src, const slang_ir_storage *st)
GLuint swizzle = st->Swizzle;
/* if this is storage relative to some parent storage, walk up the tree */
+ assert(index >= 0);
while (st->Parent) {
st = st->Parent;
+ assert(st->Index >= 0);
index += st->Index;
swizzle = _slang_swizzle_swizzle(fix_swizzle(st->Swizzle), swizzle);
}
@@ -387,9 +396,17 @@ new_instruction(slang_emit_info *emitInfo, gl_inst_opcode opcode)
_mesa_print_instruction(prog->Instructions + prog->NumInstructions - 1);
}
#endif
- prog->Instructions = _mesa_realloc_instructions(prog->Instructions,
- prog->NumInstructions,
- prog->NumInstructions + 1);
+ assert(prog->NumInstructions <= emitInfo->MaxInstructions);
+
+ if (prog->NumInstructions == emitInfo->MaxInstructions) {
+ /* grow the instruction buffer */
+ emitInfo->MaxInstructions += 20;
+ prog->Instructions =
+ _mesa_realloc_instructions(prog->Instructions,
+ prog->NumInstructions,
+ emitInfo->MaxInstructions);
+ }
+
inst = prog->Instructions + prog->NumInstructions;
prog->NumInstructions++;
_mesa_init_instructions(inst, 1);
@@ -403,60 +420,149 @@ new_instruction(slang_emit_info *emitInfo, gl_inst_opcode opcode)
}
+static struct prog_instruction *
+emit_arl_load(slang_emit_info *emitInfo,
+ enum register_file file, GLint index, GLuint swizzle)
+{
+ struct prog_instruction *inst = new_instruction(emitInfo, OPCODE_ARL);
+ inst->SrcReg[0].File = file;
+ inst->SrcReg[0].Index = index;
+ inst->SrcReg[0].Swizzle = swizzle;
+ inst->DstReg.File = PROGRAM_ADDRESS;
+ inst->DstReg.Index = 0;
+ inst->DstReg.WriteMask = WRITEMASK_X;
+ return inst;
+}
+
+
/**
* Emit a new instruction with given opcode, operands.
+ * At this point the instruction may have multiple indirect register
+ * loads/stores. We convert those into ARL loads and address-relative
+ * operands. See comments inside.
+ * At some point in the future we could directly emit indirectly addressed
+ * registers in Mesa GPU instructions.
*/
static struct prog_instruction *
emit_instruction(slang_emit_info *emitInfo,
gl_inst_opcode opcode,
const slang_ir_storage *dst,
+ const slang_ir_storage *src0,
const slang_ir_storage *src1,
- const slang_ir_storage *src2,
- const slang_ir_storage *src3)
+ const slang_ir_storage *src2)
{
- struct gl_program *prog = emitInfo->prog;
struct prog_instruction *inst;
+ GLuint numIndirect = 0;
+ const slang_ir_storage *src[3];
+ slang_ir_storage newSrc[3], newDst;
+ GLuint i;
+ GLboolean isTemp[3];
+
+ isTemp[0] = isTemp[1] = isTemp[2] = GL_FALSE;
+
+ src[0] = src0;
+ src[1] = src1;
+ src[2] = src2;
+
+ /* count up how many operands are indirect loads */
+ for (i = 0; i < 3; i++) {
+ if (src[i] && src[i]->IsIndirect)
+ numIndirect++;
+ }
+ if (dst && dst->IsIndirect)
+ numIndirect++;
+
+ /* Take special steps for indirect register loads.
+ * If we had multiple address registers this would be simpler.
+ * For example, this GLSL code:
+ * x[i] = y[j] + z[k];
+ * would translate into something like:
+ * ARL ADDR.x, i;
+ * ARL ADDR.y, j;
+ * ARL ADDR.z, k;
+ * ADD TEMP[ADDR.x+5], TEMP[ADDR.y+9], TEMP[ADDR.z+4];
+ * But since we currently only have one address register we have to do this:
+ * ARL ADDR.x, i;
+ * MOV t1, TEMP[ADDR.x+9];
+ * ARL ADDR.x, j;
+ * MOV t2, TEMP[ADDR.x+4];
+ * ARL ADDR.x, k;
+ * ADD TEMP[ADDR.x+5], t1, t2;
+ * The code here figures this out...
+ */
+ if (numIndirect > 0) {
+ for (i = 0; i < 3; i++) {
+ if (src[i] && src[i]->IsIndirect) {
+ /* load the ARL register with the indirect register */
+ emit_arl_load(emitInfo,
+ src[i]->IndirectFile,
+ src[i]->IndirectIndex,
+ src[i]->IndirectSwizzle);
+
+ if (numIndirect > 1) {
+ /* Need to load src[i] into a temporary register */
+ slang_ir_storage srcRelAddr;
+ alloc_local_temp(emitInfo, &newSrc[i], src[i]->Size);
+ isTemp[i] = GL_TRUE;
+
+ /* set RelAddr flag on src register */
+ srcRelAddr = *src[i];
+ srcRelAddr.RelAddr = GL_TRUE;
+ srcRelAddr.IsIndirect = GL_FALSE; /* not really needed */
+
+ /* MOV newSrc, srcRelAddr; */
+ inst = emit_instruction(emitInfo,
+ OPCODE_MOV,
+ &newSrc[i],
+ &srcRelAddr,
+ NULL,
+ NULL);
+
+ src[i] = &newSrc[i];
+ }
+ else {
+ /* just rewrite the src[i] storage to be ARL-relative */
+ newSrc[i] = *src[i];
+ newSrc[i].RelAddr = GL_TRUE;
+ newSrc[i].IsIndirect = GL_FALSE; /* not really needed */
+ src[i] = &newSrc[i];
+ }
+ }
+ }
+ }
- prog->Instructions = _mesa_realloc_instructions(prog->Instructions,
- prog->NumInstructions,
- prog->NumInstructions + 1);
- inst = prog->Instructions + prog->NumInstructions;
- prog->NumInstructions++;
+ /* Take special steps for indirect dest register write */
+ if (dst && dst->IsIndirect) {
+ /* load the ARL register with the indirect register */
+ emit_arl_load(emitInfo,
+ dst->IndirectFile,
+ dst->IndirectIndex,
+ dst->IndirectSwizzle);
+ newDst = *dst;
+ newDst.RelAddr = GL_TRUE;
+ newDst.IsIndirect = GL_FALSE;
+ dst = &newDst;
+ }
- _mesa_init_instructions(inst, 1);
- inst->Opcode = opcode;
- inst->BranchTarget = -1; /* invalid */
+ /* OK, emit the instruction and its dst, src regs */
+ inst = new_instruction(emitInfo, opcode);
+ if (!inst)
+ return NULL;
if (dst)
storage_to_dst_reg(&inst->DstReg, dst);
- if (src1)
- storage_to_src_reg(&inst->SrcReg[0], src1);
- if (src2)
- storage_to_src_reg(&inst->SrcReg[1], src2);
- if (src3)
- storage_to_src_reg(&inst->SrcReg[2], src3);
-
- return inst;
-}
-
+ for (i = 0; i < 3; i++) {
+ if (src[i])
+ storage_to_src_reg(&inst->SrcReg[i], src[i]);
+ }
-/**
- * Emit an ARL instruction.
- */
-static struct prog_instruction *
-emit_arl_instruction(slang_emit_info *emitInfo,
- GLint addrReg,
- const slang_ir_storage *src)
-{
- struct prog_instruction *inst;
+ /* Free any temp registers that we allocated above */
+ for (i = 0; i < 3; i++) {
+ if (isTemp[i])
+ _slang_free_temp(emitInfo->vt, &newSrc[i]);
+ }
- assert(addrReg == 0); /* only one addr reg at this time */
- inst = new_instruction(emitInfo, OPCODE_ARL);
- storage_to_src_reg(&inst->SrcReg[0], src);
- inst->DstReg.File = PROGRAM_ADDRESS;
- inst->DstReg.Index = addrReg;
- inst->DstReg.WriteMask = WRITEMASK_X;
return inst;
}
@@ -1034,13 +1140,17 @@ emit_fcall(slang_emit_info *emitInfo, slang_ir_node *n)
struct gl_program *progSave;
struct prog_instruction *inst;
GLuint subroutineId;
+ GLuint maxInstSave;
assert(n->Opcode == IR_CALL);
assert(n->Label);
/* save/push cur program */
+ maxInstSave = emitInfo->MaxInstructions;
progSave = emitInfo->prog;
+
emitInfo->prog = new_subroutine(emitInfo, &subroutineId);
+ emitInfo->MaxInstructions = emitInfo->prog->NumInstructions;
_slang_label_set_location(n->Label, emitInfo->prog->NumInstructions,
emitInfo->prog);
@@ -1072,6 +1182,7 @@ emit_fcall(slang_emit_info *emitInfo, slang_ir_node *n)
/* pop/restore cur program */
emitInfo->prog = progSave;
+ emitInfo->MaxInstructions = maxInstSave;
/* emit the function call */
inst = new_instruction(emitInfo, OPCODE_CAL);
@@ -1212,7 +1323,8 @@ emit_copy(slang_emit_info *emitInfo, slang_ir_node *n)
if (inst &&
_slang_is_temp(emitInfo->vt, n->Children[1]->Store) &&
(inst->DstReg.File == n->Children[1]->Store->File) &&
- (inst->DstReg.Index == n->Children[1]->Store->Index)) {
+ (inst->DstReg.Index == n->Children[1]->Store->Index) &&
+ !n->Children[0]->Store->IsIndirect) {
/* Peephole optimization:
* The Right-Hand-Side has its results in a temporary place.
* Modify the RHS (and the prev instruction) to store its results
@@ -1670,80 +1782,38 @@ emit_swizzle(slang_emit_info *emitInfo, slang_ir_node *n)
inst = emit(emitInfo, n->Children[0]);
- /* setup storage info, if needed */
- if (!n->Store->Parent)
- n->Store->Parent = n->Children[0]->Store;
-
+#if 0
assert(n->Store->Parent);
-
+ /* Apply this node's swizzle to parent's storage */
+ GLuint swizzle = n->Store->Swizzle;
+ _slang_copy_ir_storage(n->Store, n->Store->Parent);
+ n->Store->Swizzle = _slang_swizzle_swizzle(n->Store->Swizzle, swizzle);
+ assert(!n->Store->Parent);
+#endif
return inst;
}
/**
- * Move a block registers from src to dst (or move a single register).
- * \param size size of block, in floats (<=4 means one register)
+ * Dereference array element: element == array[index]
+ * This basically involves emitting code for computing the array index
+ * and updating the node/element's storage info.
*/
static struct prog_instruction *
-move_block(slang_emit_info *emitInfo,
- GLuint size, GLboolean relAddr,
- const slang_ir_storage *dst,
- const slang_ir_storage *src)
+emit_array_element(slang_emit_info *emitInfo, slang_ir_node *n)
{
+ slang_ir_storage *arrayStore, *indexStore;
+ const int elemSize = n->Store->Size; /* number of floats */
+ const GLint elemSizeVec = (elemSize + 3) / 4; /* number of vec4 */
struct prog_instruction *inst;
- if (size > 4) {
- /* move matrix/struct etc (block of registers) */
- slang_ir_storage dstStore = *dst;
- slang_ir_storage srcStore = *src;
-
- dstStore.Size = 4;
- srcStore.Size = 4;
- while (size >= 4) {
- inst = emit_instruction(emitInfo, OPCODE_MOV,
- &dstStore,
- &srcStore,
- NULL,
- NULL);
- inst->SrcReg[0].RelAddr = relAddr;
- inst_comment(inst, "IR_COPY block");
- srcStore.Index++;
- dstStore.Index++;
- size -= 4;
- }
- }
- else {
- /* single register move */
- inst = emit_instruction(emitInfo,
- OPCODE_MOV,
- dst,
- src,
- NULL,
- NULL);
- inst->SrcReg[0].RelAddr = relAddr;
- }
- return inst;
-}
-
-
-
-/**
- * Dereference array element. Just resolve storage for the array
- * element represented by this node.
- * This is typically where Indirect addressing comes into play.
- * See comments on struct slang_ir_storage.
- */
-static struct prog_instruction *
-emit_array_element(slang_emit_info *emitInfo, slang_ir_node *n)
-{
assert(n->Opcode == IR_ELEMENT);
- assert(n->Store);
- assert(n->Store->File == PROGRAM_UNDEFINED);
- assert(n->Store->Parent);
- assert(n->Store->Size > 0);
+ assert(elemSize > 0);
+ /* special case for built-in state variables, like light state */
{
slang_ir_storage *root = n->Store;
+ assert(!root->Parent);
while (root->Parent)
root = root->Parent;
@@ -1754,69 +1824,98 @@ emit_array_element(slang_emit_info *emitInfo, slang_ir_node *n)
}
}
- /* do codegen for array */
+ /* do codegen for array itself */
emit(emitInfo, n->Children[0]);
+ arrayStore = n->Children[0]->Store;
+
+ /* The initial array element storage is the array's storage,
+ * then modified below.
+ */
+ _slang_copy_ir_storage(n->Store, arrayStore);
+
if (n->Children[1]->Opcode == IR_FLOAT) {
- /* Constant array index.
- * Set Store's index to be the offset of the array element in
- * the register file.
- */
+ /* Constant array index */
const GLint element = (GLint) n->Children[1]->Value[0];
- const GLint sz = (n->Store->Size + 3) / 4; /* size in slots/registers */
- n->Store->Index = sz * element;
- assert(n->Store->Parent);
+ /* this element's storage is the array's storage, plus constant offset */
+ n->Store->Index += elemSizeVec * element;
}
else {
/* Variable array index */
- struct prog_instruction *inst;
/* do codegen for array index expression */
emit(emitInfo, n->Children[1]);
+ indexStore = n->Children[1]->Store;
+
+ if (indexStore->IsIndirect) {
+ /* need to put the array index into a temporary since we can't
+ * directly support a[b[i]] constructs.
+ */
+
- /* allocate temp storage for the array element */
- assert(n->Store->Index < 0);
- n->Store->File = PROGRAM_TEMPORARY;
- n->Store->Parent = NULL;
- alloc_node_storage(emitInfo, n, -1);
+ /*indexStore = tempstore();*/
+ }
- if (n->Store->Size > 4) {
- /* need to multiply the index by the element size */
- const GLint elemSize = (n->Store->Size + 3) / 4;
- slang_ir_storage indexTemp, elemSizeStore;
- /* constant containing the element size */
- constant_to_storage(emitInfo, (float) elemSize, &elemSizeStore);
+ if (elemSize > 4) {
+ /* need to multiply array index by array element size */
+ struct prog_instruction *inst;
+ slang_ir_storage *indexTemp;
+ slang_ir_storage elemSizeStore;
/* allocate 1 float indexTemp */
- alloc_local_temp(emitInfo, &indexTemp, 1);
+ indexTemp = _slang_new_ir_storage(PROGRAM_TEMPORARY, -1, 1);
+ _slang_alloc_temp(emitInfo->vt, indexTemp);
+
+ /* allocate a constant containing the element size */
+ constant_to_storage(emitInfo, (float) elemSizeVec, &elemSizeStore);
- /* MUL temp, index, elemSize */
- inst = emit_instruction(emitInfo, OPCODE_MUL,
- &indexTemp, /* dest */
- n->Children[1]->Store, /* the index */
+ /* multiply array index by element size */
+ inst = emit_instruction(emitInfo,
+ OPCODE_MUL,
+ indexTemp, /* dest */
+ indexStore, /* the index */
&elemSizeStore,
NULL);
- /* load ADDR[0].X = temp */
- inst = emit_arl_instruction(emitInfo, 0, &indexTemp);
-
- _slang_free_temp(emitInfo->vt, &indexTemp);
+ indexStore = indexTemp;
}
- else {
- /* simply load address reg w/ array index */
- inst = emit_arl_instruction(emitInfo, 0, n->Children[1]->Store);
+
+ if (arrayStore->IsIndirect) {
+ /* ex: in a[i][j], a[i] (the arrayStore) is indirect */
+ /* Need to add indexStore to arrayStore->Indirect store */
+ slang_ir_storage indirectArray;
+ slang_ir_storage *indexTemp;
+
+ _slang_init_ir_storage(&indirectArray,
+ arrayStore->IndirectFile,
+ arrayStore->IndirectIndex,
+ 1,
+ arrayStore->IndirectSwizzle);
+
+ /* allocate 1 float indexTemp */
+ indexTemp = _slang_new_ir_storage(PROGRAM_TEMPORARY, -1, 1);
+ _slang_alloc_temp(emitInfo->vt, indexTemp);
+
+ inst = emit_instruction(emitInfo,
+ OPCODE_ADD,
+ indexTemp, /* dest */
+ indexStore, /* the index */
+ &indirectArray, /* indirect array base */
+ NULL);
+
+ indexStore = indexTemp;
}
- /* copy from array element to temp storage */
- move_block(emitInfo, n->Store->Size, GL_TRUE,
- n->Store, n->Children[0]->Store);
+ /* update the array element storage info */
+ n->Store->IsIndirect = GL_TRUE;
+ n->Store->IndirectFile = indexStore->File;
+ n->Store->IndirectIndex = indexStore->Index;
+ n->Store->IndirectSwizzle = indexStore->Swizzle;
}
- /* if array element size is one, make sure we only access X */
- if (n->Store->Size == 1)
- n->Store->Swizzle = SWIZZLE_XXXX;
+ n->Store->Size = elemSize;
return NULL; /* no instruction */
}
@@ -1829,9 +1928,11 @@ static struct prog_instruction *
emit_struct_field(slang_emit_info *emitInfo, slang_ir_node *n)
{
slang_ir_storage *root = n->Store;
+ GLint fieldOffset, fieldSize;
assert(n->Opcode == IR_FIELD);
+ assert(!root->Parent);
while (root->Parent)
root = root->Parent;
@@ -1847,12 +1948,45 @@ emit_struct_field(slang_emit_info *emitInfo, slang_ir_node *n)
slang_info_log_error(emitInfo->log, "Error parsing state variable");
return NULL;
}
+ return NULL;
}
else {
/* do codegen for struct */
emit(emitInfo, n->Children[0]);
+ assert(n->Children[0]->Store->Index >= 0);
}
+ fieldOffset = n->Store->Index;
+ fieldSize = n->Store->Size;
+
+ _slang_copy_ir_storage(n->Store, n->Children[0]->Store);
+
+ n->Store->Index = n->Children[0]->Store->Index + fieldOffset / 4;
+ /* XXX test this:
+ n->Store->Index += fieldOffset / 4;
+ */
+
+ switch (fieldSize) {
+ case 1:
+ {
+ GLint swz = fieldOffset % 4;
+ n->Store->Swizzle = MAKE_SWIZZLE4(swz, swz, swz, swz);
+ }
+ break;
+ case 2:
+ n->Store->Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y,
+ SWIZZLE_NIL, SWIZZLE_NIL);
+ break;
+ case 3:
+ n->Store->Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y,
+ SWIZZLE_Z, SWIZZLE_NIL);
+ break;
+ default:
+ n->Store->Swizzle = SWIZZLE_XYZW;
+ }
+
+ assert(n->Store->Index >= 0);
+
return NULL; /* no instruction */
}
@@ -1909,7 +2043,7 @@ emit_var_decl(slang_emit_info *emitInfo, slang_ir_node *n)
/**
* Emit code for a reference to a variable.
- * Actually, no code is generated but we may do some memory alloation.
+ * Actually, no code is generated but we may do some memory allocation.
* In particular, state vars (uniforms) are allocated on an as-needed basis.
*/
static struct prog_instruction *
@@ -2130,7 +2264,7 @@ _slang_resolve_subroutines(slang_emit_info *emitInfo)
total += emitInfo->Subroutines[i]->NumInstructions;
}
- /* adjust BrancTargets within the functions */
+ /* adjust BranchTargets within the functions */
for (i = 0; i < emitInfo->NumSubroutines; i++) {
struct gl_program *sub = emitInfo->Subroutines[i];
GLuint j;
@@ -2199,6 +2333,7 @@ _slang_emit_code(slang_ir_node *n, slang_var_table *vt,
emitInfo.prog = prog;
emitInfo.Subroutines = NULL;
emitInfo.NumSubroutines = 0;
+ emitInfo.MaxInstructions = prog->NumInstructions;
emitInfo.EmitHighLevelInstructions = ctx->Shader.EmitHighLevelInstructions;
emitInfo.EmitCondCodes = ctx->Shader.EmitCondCodes;
diff --git a/src/mesa/shader/slang/slang_ir.c b/src/mesa/shader/slang/slang_ir.c
index 4fe3a2b85d..c33c80da99 100644
--- a/src/mesa/shader/slang/slang_ir.c
+++ b/src/mesa/shader/slang/slang_ir.c
@@ -116,6 +116,20 @@ _slang_ir_info(slang_ir_opcode opcode)
}
+void
+_slang_init_ir_storage(slang_ir_storage *st,
+ enum register_file file, GLint index, GLint size,
+ GLuint swizzle)
+{
+ st->File = file;
+ st->Index = index;
+ st->Size = size;
+ st->Swizzle = swizzle;
+ st->Parent = NULL;
+ st->IsIndirect = GL_FALSE;
+}
+
+
/**
* Return a new slang_ir_storage object.
*/
@@ -130,6 +144,7 @@ _slang_new_ir_storage(enum register_file file, GLint index, GLint size)
st->Size = size;
st->Swizzle = SWIZZLE_NOOP;
st->Parent = NULL;
+ st->IsIndirect = GL_FALSE;
}
return st;
}
@@ -150,6 +165,7 @@ _slang_new_ir_storage_swz(enum register_file file, GLint index, GLint size,
st->Size = size;
st->Swizzle = swizzle;
st->Parent = NULL;
+ st->IsIndirect = GL_FALSE;
}
return st;
}
@@ -170,11 +186,45 @@ _slang_new_ir_storage_relative(GLint index, GLint size,
st->Size = size;
st->Swizzle = SWIZZLE_NOOP;
st->Parent = parent;
+ st->IsIndirect = GL_FALSE;
+ }
+ return st;
+}
+
+
+slang_ir_storage *
+_slang_new_ir_storage_indirect(enum register_file file,
+ GLint index,
+ GLint size,
+ enum register_file indirectFile,
+ GLint indirectIndex,
+ GLuint indirectSwizzle)
+{
+ slang_ir_storage *st;
+ st = (slang_ir_storage *) _slang_alloc(sizeof(slang_ir_storage));
+ if (st) {
+ st->File = file;
+ st->Index = index;
+ st->Size = size;
+ st->Swizzle = SWIZZLE_NOOP;
+ st->IsIndirect = GL_TRUE;
+ st->IndirectFile = indirectFile;
+ st->IndirectIndex = indirectIndex;
+ st->IndirectSwizzle = indirectSwizzle;
}
return st;
}
+/* XXX temporary function */
+void
+_slang_copy_ir_storage(slang_ir_storage *dst, const slang_ir_storage *src)
+{
+ *dst = *src;
+ dst->Parent = NULL;
+}
+
+
static const char *
_slang_ir_name(slang_ir_opcode opcode)
diff --git a/src/mesa/shader/slang/slang_ir.h b/src/mesa/shader/slang/slang_ir.h
index a4552ae144..a258e92e06 100644
--- a/src/mesa/shader/slang/slang_ir.h
+++ b/src/mesa/shader/slang/slang_ir.h
@@ -140,24 +140,53 @@ typedef enum
/**
- * Describes where data storage is allocated.
+ * Describes where data/variables are stored in the various register files.
+ *
+ * In the simple case, the File, Index and Size fields indicate where
+ * a variable is stored. For example, a vec3 variable may be stored
+ * as (File=PROGRAM_TEMPORARY, Index=6, Size=3). Or, File[Index].
+ * Or, a program input like color may be stored as
+ * (File=PROGRAM_INPUT,Index=3,Size=4);
+ *
+ * For single-float values, the Swizzle field indicates which component
+ * of the vector contains the float.
+ *
+ * If IsIndirect is set, the storage is accessed through an indirect
+ * register lookup. The value in question will be located at:
+ * File[Index + IndirectFile[IndirectIndex]]
+ *
+ * This is primary used for indexing arrays. For example, consider this
+ * GLSL code:
+ * uniform int i;
+ * float a[10];
+ * float x = a[i];
+ *
+ * here, storage for a[i] would be described by (File=PROGRAM_TEMPORAY,
+ * Index=aPos, IndirectFile=PROGRAM_UNIFORM, IndirectIndex=iPos), which
+ * would mean TEMP[aPos + UNIFORM[iPos]]
*/
-struct _slang_ir_storage
+struct slang_ir_storage_
{
enum register_file File; /**< PROGRAM_TEMPORARY, PROGRAM_INPUT, etc */
GLint Index; /**< -1 means unallocated */
GLint Size; /**< number of floats */
- GLuint Swizzle;
+ GLuint Swizzle; /**< Swizzle AND writemask info */
GLint RefCount; /**< Used during IR tree delete */
- GLboolean RelAddr;
+
+ GLboolean RelAddr; /* we'll remove this eventually */
+
+ GLboolean IsIndirect;
+ enum register_file IndirectFile;
+ GLint IndirectIndex;
+ GLuint IndirectSwizzle;
/** If Parent is non-null, Index is relative to parent.
* The other fields are ignored.
*/
- struct _slang_ir_storage *Parent;
+ struct slang_ir_storage_ *Parent;
};
-typedef struct _slang_ir_storage slang_ir_storage;
+typedef struct slang_ir_storage_ slang_ir_storage;
/**
@@ -199,6 +228,11 @@ extern const slang_ir_info *
_slang_ir_info(slang_ir_opcode opcode);
+extern void
+_slang_init_ir_storage(slang_ir_storage *st,
+ enum register_file file, GLint index, GLint size,
+ GLuint swizzle);
+
extern slang_ir_storage *
_slang_new_ir_storage(enum register_file file, GLint index, GLint size);
@@ -212,6 +246,17 @@ _slang_new_ir_storage_relative(GLint index, GLint size,
slang_ir_storage *parent);
+extern slang_ir_storage *
+_slang_new_ir_storage_indirect(enum register_file file,
+ GLint index,
+ GLint size,
+ enum register_file indirectFile,
+ GLint indirectIndex,
+ GLuint indirectSwizzle);
+
+extern void
+_slang_copy_ir_storage(slang_ir_storage *dst, const slang_ir_storage *src);
+
extern void
_slang_free_ir_tree(slang_ir_node *n);
diff --git a/src/mesa/shader/slang/slang_vartable.h b/src/mesa/shader/slang/slang_vartable.h
index 8a3b992c96..94bcd63f45 100644
--- a/src/mesa/shader/slang/slang_vartable.h
+++ b/src/mesa/shader/slang/slang_vartable.h
@@ -2,7 +2,7 @@
#ifndef SLANG_VARTABLE_H
#define SLANG_VARTABLE_H
-struct _slang_ir_storage;
+struct slang_ir_storage_;
typedef struct slang_var_table_ slang_var_table;
@@ -27,16 +27,16 @@ extern struct slang_variable_ *
_slang_find_variable(const slang_var_table *t, slang_atom name);
extern GLboolean
-_slang_alloc_var(slang_var_table *t, struct _slang_ir_storage *store);
+_slang_alloc_var(slang_var_table *t, struct slang_ir_storage_ *store);
extern GLboolean
-_slang_alloc_temp(slang_var_table *t, struct _slang_ir_storage *store);
+_slang_alloc_temp(slang_var_table *t, struct slang_ir_storage_ *store);
extern void
-_slang_free_temp(slang_var_table *t, struct _slang_ir_storage *store);
+_slang_free_temp(slang_var_table *t, struct slang_ir_storage_ *store);
extern GLboolean
-_slang_is_temp(const slang_var_table *t, const struct _slang_ir_storage *store);
+_slang_is_temp(const slang_var_table *t, const struct slang_ir_storage_ *store);
#endif /* SLANG_VARTABLE_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-02 08:10:20 +0000