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Diffstat (limited to 'src/mesa/shader/slang/slang_emit.c')
-rw-r--r--src/mesa/shader/slang/slang_emit.c101
1 files changed, 80 insertions, 21 deletions
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index 2dd122c9a54..1b1edb44609 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -164,7 +164,7 @@ _slang_var_swizzle(GLint size, GLint comp)
{
switch (size) {
case 1:
- return MAKE_SWIZZLE4(comp, comp, comp, comp);
+ return MAKE_SWIZZLE4(comp, SWIZZLE_NIL, SWIZZLE_NIL, SWIZZLE_NIL);
case 2:
return MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_NIL, SWIZZLE_NIL);
case 3:
@@ -446,12 +446,12 @@ 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)
+ gl_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->SrcReg[0].Swizzle = fix_swizzle(swizzle);
inst->DstReg.File = PROGRAM_ADDRESS;
inst->DstReg.Index = 0;
inst->DstReg.WriteMask = WRITEMASK_X;
@@ -873,6 +873,7 @@ emit_compare(slang_emit_info *emitInfo, slang_ir_node *n)
if (n->Children[0]->Store->Size != n->Children[1]->Store->Size) {
slang_info_log_error(emitInfo->log, "invalid operands to == or !=");
+ n->Store = NULL;
return NULL;
}
@@ -902,6 +903,7 @@ emit_compare(slang_emit_info *emitInfo, slang_ir_node *n)
slang_ir_storage tempStore;
if (!alloc_local_temp(emitInfo, &tempStore, 4)) {
+ n->Store = NULL;
return NULL;
/* out of temps */
}
@@ -1259,16 +1261,33 @@ emit_tex(slang_emit_info *emitInfo, slang_ir_node *n)
{
struct prog_instruction *inst;
gl_inst_opcode opcode;
+ GLboolean shadow = GL_FALSE;
- if (n->Opcode == IR_TEX) {
+ switch (n->Opcode) {
+ case IR_TEX:
opcode = OPCODE_TEX;
- }
- else if (n->Opcode == IR_TEXB) {
+ break;
+ case IR_TEX_SH:
+ opcode = OPCODE_TEX;
+ shadow = GL_TRUE;
+ break;
+ case IR_TEXB:
opcode = OPCODE_TXB;
- }
- else {
- assert(n->Opcode == IR_TEXP);
+ break;
+ case IR_TEXB_SH:
+ opcode = OPCODE_TXB;
+ shadow = GL_TRUE;
+ break;
+ case IR_TEXP:
opcode = OPCODE_TXP;
+ break;
+ case IR_TEXP_SH:
+ opcode = OPCODE_TXP;
+ shadow = GL_TRUE;
+ break;
+ default:
+ _mesa_problem(NULL, "Bad IR TEX code");
+ return NULL;
}
if (n->Children[0]->Opcode == IR_ELEMENT) {
@@ -1300,6 +1319,8 @@ emit_tex(slang_emit_info *emitInfo, slang_ir_node *n)
NULL,
NULL);
+ inst->TexShadow = shadow;
+
/* Store->Index is the uniform/sampler index */
assert(n->Children[0]->Store->Index >= 0);
inst->TexSrcUnit = n->Children[0]->Store->Index;
@@ -1358,6 +1379,7 @@ emit_copy(slang_emit_info *emitInfo, slang_ir_node *n)
#if PEEPHOLE_OPTIMIZATIONS
if (inst &&
+ (n->Children[1]->Opcode != IR_SWIZZLE) &&
_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) &&
@@ -1374,13 +1396,9 @@ emit_copy(slang_emit_info *emitInfo, slang_ir_node *n)
* becomes:
* MUL a, x, y;
*/
- if (n->Children[1]->Opcode != IR_SWIZZLE)
- _slang_free_temp(emitInfo->vt, n->Children[1]->Store);
- *n->Children[1]->Store = *n->Children[0]->Store;
/* fixup the previous instruction (which stored the RHS result) */
assert(n->Children[0]->Store->Index >= 0);
-
storage_to_dst_reg(&inst->DstReg, n->Children[0]->Store);
return inst;
}
@@ -1813,6 +1831,25 @@ emit_cont_break_if_true(slang_emit_info *emitInfo, slang_ir_node *n)
}
+/**
+ * Return the size of a swizzle mask given that some swizzle components
+ * may be NIL/undefined. For example:
+ * swizzle_size(".zzxx") = 4
+ * swizzle_size(".xy??") = 2
+ * swizzle_size(".w???") = 1
+ */
+static GLuint
+swizzle_size(GLuint swizzle)
+{
+ GLuint i;
+ for (i = 0; i < 4; i++) {
+ if (GET_SWZ(swizzle, i) == SWIZZLE_NIL)
+ return i;
+ }
+ return 4;
+}
+
+
static struct prog_instruction *
emit_swizzle(slang_emit_info *emitInfo, slang_ir_node *n)
{
@@ -1820,14 +1857,25 @@ emit_swizzle(slang_emit_info *emitInfo, slang_ir_node *n)
inst = emit(emitInfo, n->Children[0]);
-#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);
+ if (!n->Store->Parent) {
+ /* this covers a case such as "(b ? p : q).x" */
+ n->Store->Parent = n->Children[0]->Store;
+ assert(n->Store->Parent);
+ }
+
+ {
+ const GLuint swizzle = n->Store->Swizzle;
+ /* new storage is parent storage with updated Swizzle + Size fields */
+ _slang_copy_ir_storage(n->Store, n->Store->Parent);
+ /* Apply this node's swizzle to parent's storage */
+ n->Store->Swizzle = _slang_swizzle_swizzle(n->Store->Swizzle, swizzle);
+ /* Update size */
+ n->Store->Size = swizzle_size(n->Store->Swizzle);
+ }
+
assert(!n->Store->Parent);
-#endif
+ assert(n->Store->Index >= 0);
+
return inst;
}
@@ -2146,6 +2194,12 @@ emit(slang_emit_info *emitInfo, slang_ir_node *n)
return NULL;
}
+ if (n->Comment) {
+ inst = new_instruction(emitInfo, OPCODE_NOP);
+ inst->Comment = _mesa_strdup(n->Comment);
+ inst = NULL;
+ }
+
switch (n->Opcode) {
case IR_SEQ:
/* sequence of two sub-trees */
@@ -2239,6 +2293,9 @@ emit(slang_emit_info *emitInfo, slang_ir_node *n)
case IR_TEX:
case IR_TEXB:
case IR_TEXP:
+ case IR_TEX_SH:
+ case IR_TEXB_SH:
+ case IR_TEXP_SH:
return emit_tex(emitInfo, n);
case IR_NEG:
return emit_negation(emitInfo, n);
@@ -2428,7 +2485,9 @@ _slang_emit_code(slang_ir_node *n, slang_var_table *vt,
maxUniforms = ctx->Const.VertexProgram.MaxUniformComponents / 4;
}
if (prog->Parameters->NumParameters > maxUniforms) {
- slang_info_log_error(log, "Constant/uniform register limit exceeded");
+ slang_info_log_error(log, "Constant/uniform register limit exceeded "
+ "(max=%u vec4)", maxUniforms);
+
return GL_FALSE;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 05:04:59 +0000