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initial code to get texture sampling limping along

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This commit is contained in:
Brian 2007-01-04 14:40:02 -07:00
parent 6a92d98d1a
commit e640300602
6 changed files with 177 additions and 105 deletions
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7
src/mesa/shader/slang/library/slang_common_builtin.gc
View file

@ -1629,10 +1629,9 @@ vec4 texture1DProj (sampler1D sampler, vec4 coord) {
return texture1D (sampler, coord.s / coord.q);
}
vec4 texture2D (sampler2D sampler, vec2 coord) {
vec4 texel;
__asm vec4_tex2d texel, sampler, coord, 0.0;
return texel;
vec4 texture2D(const sampler2D sampler, const vec2 coord)
{
__asm vec4_tex2d __retVal, coord; // XXX sampler
}
vec4 texture2DProj (sampler2D sampler, vec3 coord) {

175
src/mesa/shader/slang/library/slang_common_builtin_gc.h
View file

@ -679,92 +679,91 @@
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112,108,101,114,0,0,18,99,111,111,114,100,0,0,17,48,0,48,0,0,0,0,8,18,116,101,120,101,108,0,0,0,1,
0,12,0,115,104,97,100,111,119,49,68,0,1,0,0,20,115,97,109,112,108,101,114,0,0,1,0,0,11,99,111,111,
114,100,0,0,0,1,3,2,0,12,1,116,101,120,101,108,0,0,0,4,118,101,99,52,95,115,104,97,100,49,100,0,18,
116,101,120,101,108,0,0,18,115,97,109,112,108,101,114,0,0,18,99,111,111,114,100,0,0,17,48,0,48,0,0,
0,0,8,18,116,101,120,101,108,0,0,0,1,0,12,0,115,104,97,100,111,119,49,68,80,114,111,106,0,1,0,0,20,
115,97,109,112,108,101,114,0,0,1,0,0,12,99,111,111,114,100,0,0,0,1,8,58,115,104,97,100,111,119,49,
68,0,18,115,97,109,112,108,101,114,0,0,58,118,101,99,51,0,18,99,111,111,114,100,0,59,115,0,18,99,
111,111,114,100,0,59,113,0,49,0,17,48,0,48,0,0,0,18,99,111,111,114,100,0,59,112,0,18,99,111,111,
114,100,0,59,113,0,49,0,0,0,0,0,0,1,0,12,0,115,104,97,100,111,119,50,68,0,1,0,0,21,115,97,109,112,
108,101,114,0,0,1,0,0,11,99,111,111,114,100,0,0,0,1,3,2,0,12,1,116,101,120,101,108,0,0,0,4,118,101,
99,52,95,115,104,97,100,50,100,0,18,116,101,120,101,108,0,0,18,115,97,109,112,108,101,114,0,0,18,
99,111,111,114,100,0,0,17,48,0,48,0,0,0,0,8,18,116,101,120,101,108,0,0,0,1,0,12,0,115,104,97,100,
111,119,50,68,80,114,111,106,0,1,0,0,21,115,97,109,112,108,101,114,0,0,1,0,0,12,99,111,111,114,100,
0,0,0,1,8,58,115,104,97,100,111,119,50,68,0,18,115,97,109,112,108,101,114,0,0,58,118,101,99,51,0,
18,99,111,111,114,100,0,59,115,0,18,99,111,111,114,100,0,59,113,0,49,0,18,99,111,111,114,100,0,59,
116,0,18,99,111,111,114,100,0,59,113,0,49,0,18,99,111,111,114,100,0,59,112,0,18,99,111,111,114,100,
0,59,113,0,49,0,0,0,0,0,0,1,0,9,0,110,111,105,115,101,49,0,1,0,0,9,120,0,0,0,1,3,2,0,9,1,97,0,0,0,
4,102,108,111,97,116,95,110,111,105,115,101,49,0,18,97,0,0,18,120,0,0,0,8,18,97,0,0,0,1,0,9,0,110,
111,105,115,101,49,0,1,0,0,10,120,0,0,0,1,3,2,0,9,1,97,0,0,0,4,102,108,111,97,116,95,110,111,105,
115,101,50,0,18,97,0,0,18,120,0,0,0,8,18,97,0,0,0,1,0,9,0,110,111,105,115,101,49,0,1,0,0,11,120,0,
0,0,1,3,2,0,9,1,97,0,0,0,4,102,108,111,97,116,95,110,111,105,115,101,51,0,18,97,0,0,18,120,0,0,0,8,
18,97,0,0,0,1,0,9,0,110,111,105,115,101,49,0,1,0,0,12,120,0,0,0,1,3,2,0,9,1,97,0,0,0,4,102,108,111,
97,116,95,110,111,105,115,101,52,0,18,97,0,0,18,120,0,0,0,8,18,97,0,0,0,1,0,10,0,110,111,105,115,
101,50,0,1,0,0,9,120,0,0,0,1,8,58,118,101,99,50,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,
110,111,105,115,101,49,0,18,120,0,17,49,57,0,51,52,0,0,46,0,0,0,0,0,0,1,0,10,0,110,111,105,115,101,
50,0,1,0,0,10,120,0,0,0,1,8,58,118,101,99,50,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,
111,105,115,101,49,0,18,120,0,58,118,101,99,50,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,0,46,0,
0,0,0,0,0,1,0,10,0,110,111,105,115,101,50,0,1,0,0,11,120,0,0,0,1,8,58,118,101,99,50,0,58,110,111,
105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,51,0,17,49,57,0,
51,52,0,0,0,17,55,0,54,54,0,0,0,17,51,0,50,51,0,0,0,0,46,0,0,0,0,0,0,1,0,10,0,110,111,105,115,101,
50,0,1,0,0,12,120,0,0,0,1,8,58,118,101,99,50,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,
111,105,115,101,49,0,18,120,0,58,118,101,99,52,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,17,51,
0,50,51,0,0,0,17,50,0,55,55,0,0,0,0,46,0,0,0,0,0,0,1,0,11,0,110,111,105,115,101,51,0,1,0,0,9,120,0,
0,0,1,8,58,118,101,99,51,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,
18,120,0,17,49,57,0,51,52,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,17,53,0,52,55,0,0,46,0,
0,0,0,0,0,1,0,11,0,110,111,105,115,101,51,0,1,0,0,10,120,0,0,0,1,8,58,118,101,99,51,0,58,110,111,
105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,50,0,17,49,57,0,
51,52,0,0,0,17,55,0,54,54,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,50,0,
17,53,0,52,55,0,0,0,17,49,55,0,56,53,0,0,0,0,46,0,0,0,0,0,0,1,0,11,0,110,111,105,115,101,51,0,1,0,
0,11,120,0,0,0,1,8,58,118,101,99,51,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,
115,101,49,0,18,120,0,58,118,101,99,51,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,17,51,0,50,51,
0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,51,0,17,53,0,52,55,0,0,0,17,49,
55,0,56,53,0,0,0,17,49,49,0,48,52,0,0,0,0,46,0,0,0,0,0,0,1,0,11,0,110,111,105,115,101,51,0,1,0,0,
12,120,0,0,0,1,8,58,118,101,99,51,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,115,
101,49,0,18,120,0,58,118,101,99,52,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,17,51,0,50,51,0,0,
0,17,50,0,55,55,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,52,0,17,53,0,
52,55,0,0,0,17,49,55,0,56,53,0,0,0,17,49,49,0,48,52,0,0,0,17,49,51,0,49,57,0,0,0,0,46,0,0,0,0,0,0,
1,0,12,0,110,111,105,115,101,52,0,1,0,0,9,120,0,0,0,1,8,58,118,101,99,52,0,58,110,111,105,115,101,
49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,17,49,57,0,51,52,0,0,46,0,0,0,58,110,111,
105,115,101,49,0,18,120,0,17,53,0,52,55,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,17,50,51,
0,53,52,0,0,46,0,0,0,0,0,0,1,0,12,0,110,111,105,115,101,52,0,1,0,0,10,120,0,0,0,1,8,58,118,101,99,
52,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,
50,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,
118,101,99,50,0,17,53,0,52,55,0,0,0,17,49,55,0,56,53,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,
18,120,0,58,118,101,99,50,0,17,50,51,0,53,52,0,0,0,17,50,57,0,49,49,0,0,0,0,46,0,0,0,0,0,0,1,0,12,
0,110,111,105,115,101,52,0,1,0,0,11,120,0,0,0,1,8,58,118,101,99,52,0,58,110,111,105,115,101,49,0,
18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,51,0,17,49,57,0,51,52,0,0,0,17,
55,0,54,54,0,0,0,17,51,0,50,51,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,
51,0,17,53,0,52,55,0,0,0,17,49,55,0,56,53,0,0,0,17,49,49,0,48,52,0,0,0,0,46,0,0,0,58,110,111,105,
115,101,49,0,18,120,0,58,118,101,99,51,0,17,50,51,0,53,52,0,0,0,17,50,57,0,49,49,0,0,0,17,51,49,0,
57,49,0,0,0,0,46,0,0,0,0,0,0,1,0,12,0,110,111,105,115,101,52,0,1,0,0,12,120,0,0,0,1,8,58,118,101,
99,52,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,
99,52,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,17,51,0,50,51,0,0,0,17,50,0,55,55,0,0,0,0,46,0,
0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,52,0,17,53,0,52,55,0,0,0,17,49,55,0,56,53,0,
0,0,17,49,49,0,48,52,0,0,0,17,49,51,0,49,57,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,
58,118,101,99,52,0,17,50,51,0,53,52,0,0,0,17,50,57,0,49,49,0,0,0,17,51,49,0,57,49,0,0,0,17,51,55,0,
52,56,0,0,0,0,46,0,0,0,0,0,0,0

1
src/mesa/shader/slang/slang_assemble.h
View file

@ -245,6 +245,7 @@ typedef struct slang_assembly_name_space_
typedef struct {
GLboolean TempUsed[MAX_PROGRAM_TEMPS];
GLuint NumSamplers;
} slang_gen_context;

14
src/mesa/shader/slang/slang_codegen.c
View file

@ -91,6 +91,9 @@ static slang_asm_info AsmInfo[] = {
{ "float_multiply", IR_MUL, 1, 2 },
{ "float_divide", IR_DIV, 1, 2 },
{ "float_power", IR_POW, 1, 2 },
/* texture / sampler */
{ "vec4_tex2d", IR_TEX, 1, 1 },
{ "vec4_texb2d", IR_TEXB, 1, 3 },
/* unary op */
{ "int_to_float", IR_I_TO_F, 1, 1 },
{ "float_exp", IR_EXP, 1, 1 },
@ -791,10 +794,15 @@ _slang_gen_asm(slang_assemble_ctx *A, slang_operation *oper,
n0 = _slang_gen_operation(A, dest_oper);
assert(n0->Var);
assert(n0->Store);
free(n0);
n->Store = n0->Store;
n->Writemask = writemask;
free(n0);
}
if (info->Opcode == IR_TEX || info->Opcode == IR_TEXB) {
n->TexTarget = TEXTURE_2D_INDEX;
}
return n;
@ -1571,7 +1579,7 @@ _slang_codegen_function(slang_assemble_ctx * A, slang_function * fun)
CurFunction = fun;
if (!CurFunction->end_label)
CurFunction->end_label = slang_atom_pool_gen(A->atoms, "__endOfFunction_Main");
CurFunction->end_label = slang_atom_pool_gen(A->atoms, "__endOfFunc_main_");
n = _slang_gen_operation(A, fun->body);
@ -1583,7 +1591,7 @@ _slang_codegen_function(slang_assemble_ctx * A, slang_function * fun)
CurFunction = NULL;
#if 0
#if 1
printf("************* New body for %s *****\n", (char*)fun->header.a_name);
slang_print_function(fun, 1);

78
src/mesa/shader/slang/slang_emit.c
View file

@ -92,6 +92,8 @@ static slang_ir_info IrInfo[] = {
{ IR_NOT, "IR_NOT", 0, 1, 1 },
{ IR_VAR, "IR_VAR", 0, 0, 0 },
{ IR_VAR_DECL, "IR_VAR_DECL", 0, 0, 0 },
{ IR_TEX, "IR_TEX", OPCODE_TEX, 4, 1 },
{ IR_TEXB, "IR_TEXB", OPCODE_TXB, 4, 2 },
{ IR_FLOAT, "IR_FLOAT", 0, 0, 0 },
{ IR_FIELD, "IR_FIELD", 0, 0, 0 },
{ IR_NOP, NULL, OPCODE_NOP, 0, 0 }
@ -192,7 +194,10 @@ storage_string(const slang_ir_storage *st)
sprintf(s, "%s[%d..%d]", files[st->File], st->Index,
st->Index + st->Size - 1);
#endif
sprintf(s, "%s[%d]", files[st->File], st->Index);
if (st->File == 1000)
sprintf(s, "sampler");
else
sprintf(s, "%s[%d]", files[st->File], st->Index);
return s;
}
@ -247,8 +252,7 @@ _slang_sizeof_type_specifier(const slang_type_specifier *spec)
case slang_spec_samplerCube:
case slang_spec_sampler1DShadow:
case slang_spec_sampler2DShadow:
abort();
return 0;
return 1; /* special case */
case slang_spec_struct:
return sizeof_struct(spec->_struct);
case slang_spec_array:
@ -261,7 +265,6 @@ _slang_sizeof_type_specifier(const slang_type_specifier *spec)
}
static GLuint
sizeof_type(const slang_fully_specified_type *t)
{
@ -269,6 +272,23 @@ sizeof_type(const slang_fully_specified_type *t)
}
static GLboolean
is_sampler_type(const slang_fully_specified_type *t)
{
switch (t->specifier.type) {
case slang_spec_sampler1D:
case slang_spec_sampler2D:
case slang_spec_sampler3D:
case slang_spec_samplerCube:
case slang_spec_sampler1DShadow:
case slang_spec_sampler2DShadow:
return GL_TRUE;
default:
return GL_FALSE;
}
}
#define IND 0
void
slang_print_ir(const slang_ir_node *n, int indent)
@ -370,6 +390,15 @@ alloc_temporary(slang_gen_context *gc, GLint size)
}
static GLint
alloc_sampler(slang_gen_context *gc)
{
GLint sampler = gc->NumSamplers;
gc->NumSamplers++;
return sampler;
}
static GLboolean
is_temporary(const slang_gen_context *gc, const slang_ir_storage *st)
{
@ -637,9 +666,6 @@ slang_alloc_temp_storage(slang_gen_context *gc, slang_ir_node *n, GLint size)
* 2. Allocate storage for user-declared variables.
* 3. Allocate intermediate/unnamed storage for complex expressions.
* 4. other?
*
* If gc or prog is NULL, we may only be able to determine the Store->File
* but not an Index (register).
*/
void
slang_resolve_storage(slang_gen_context *gc, slang_ir_node *n,
@ -666,7 +692,14 @@ slang_resolve_storage(slang_gen_context *gc, slang_ir_node *n,
if (n->Opcode == IR_VAR_DECL) {
/* storage declaration */
assert(n->Var);
if (n->Store->Index < 0) { /* XXX assert this? */
if (is_sampler_type(&n->Var->type)) {
/* i.e. "uniform sampler2D tex;" */
#define PROGRAM_SAMPLER 1000
n->Store->File = PROGRAM_SAMPLER;
n->Store->Size = 1; /* never used */
n->Store->Index = alloc_sampler(gc);
}
else if (n->Store->Index < 0) { /* XXX assert this? */
assert(gc);
n->Store->File = PROGRAM_TEMPORARY;
n->Store->Size = sizeof_type(&n->Var->type);
@ -994,6 +1027,32 @@ emit_jump(const char *target, struct gl_program *prog)
}
static struct prog_instruction *
emit_tex(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
{
struct gl_fragment_program *fProg = (struct gl_fragment_program *) prog;
struct prog_instruction *inst;
if (n->Opcode == IR_TEX) {
inst = new_instruction(prog, OPCODE_TEX);
}
else {
assert(n->Opcode == IR_TEXB);
inst = new_instruction(prog, OPCODE_TXB);
}
storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Store,
n->Children[0]->Swizzle);
inst->TexSrcTarget = n->TexTarget;
inst->TexSrcUnit = 0; /* XXX temp */
fProg->TexturesUsed[inst->TexSrcUnit] |= (1 << inst->TexSrcTarget);
return inst;
}
static struct prog_instruction *
emit(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
@ -1108,6 +1167,9 @@ emit(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
case IR_SIN:
case IR_COS:
return emit_unop(gc, n, prog);
case IR_TEX:
case IR_TEXB:
return emit_tex(gc, n, prog);
case IR_NEG:
return emit_negation(gc, n, prog);
case IR_LABEL:

7
src/mesa/shader/slang/slang_ir.h
View file

@ -79,6 +79,8 @@ typedef enum
IR_NOT, /* logical not */
IR_VAR, /* variable reference */
IR_VAR_DECL,/* var declaration */
IR_TEX, /* texture lookup */
IR_TEXB, /* texture lookup with LOD bias */
IR_FLOAT,
IR_FIELD,
IR_I_TO_F
@ -106,10 +108,11 @@ typedef struct slang_ir_node_
const char *Comment;
const char *Target;
GLuint Swizzle;
GLuint Writemask; /**< If Op == IR_MOVE */
GLfloat Value[4]; /**< If Op == IR_FLOAT */
GLuint Writemask; /**< If Opcode == IR_MOVE */
GLfloat Value[4]; /**< If Opcode == IR_FLOAT */
slang_variable *Var;
slang_ir_storage *Store;
GLuint TexTarget; /**< If Opcode == IR_TEX or IR_TEXB */
} slang_ir_node;