summaryrefslogtreecommitdiffstats
path: root/src/gallium
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp147
1 files changed, 94 insertions, 53 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
index 0c98744f92e..3e4f26c6bb1 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -182,6 +182,7 @@ public:
// mask of used components of source s
unsigned int srcMask(unsigned int s) const;
+ unsigned int texOffsetMask() const;
SrcRegister getSrc(unsigned int s) const
{
@@ -234,6 +235,35 @@ private:
const struct tgsi_full_instruction *insn;
};
+unsigned int Instruction::texOffsetMask() const
+{
+ const struct tgsi_instruction_texture *tex = &insn->Texture;
+ assert(insn->Instruction.Texture);
+
+ switch (tex->Texture) {
+ case TGSI_TEXTURE_BUFFER:
+ case TGSI_TEXTURE_1D:
+ case TGSI_TEXTURE_SHADOW1D:
+ case TGSI_TEXTURE_1D_ARRAY:
+ case TGSI_TEXTURE_SHADOW1D_ARRAY:
+ return 0x1;
+ case TGSI_TEXTURE_2D:
+ case TGSI_TEXTURE_SHADOW2D:
+ case TGSI_TEXTURE_2D_ARRAY:
+ case TGSI_TEXTURE_SHADOW2D_ARRAY:
+ case TGSI_TEXTURE_RECT:
+ case TGSI_TEXTURE_SHADOWRECT:
+ case TGSI_TEXTURE_2D_MSAA:
+ case TGSI_TEXTURE_2D_ARRAY_MSAA:
+ return 0x3;
+ case TGSI_TEXTURE_3D:
+ return 0x7;
+ default:
+ assert(!"Unexpected texture target");
+ return 0xf;
+ }
+}
+
unsigned int Instruction::srcMask(unsigned int s) const
{
unsigned int mask = insn->Dst[0].Register.WriteMask;
@@ -955,6 +985,9 @@ private:
int inferSysValDirection(unsigned sn) const;
bool scanDeclaration(const struct tgsi_full_declaration *);
bool scanInstruction(const struct tgsi_full_instruction *);
+ void scanInstructionSrc(const Instruction& insn,
+ const Instruction::SrcRegister& src,
+ unsigned mask);
void scanProperty(const struct tgsi_full_property *);
void scanImmediate(const struct tgsi_full_immediate *);
@@ -1365,6 +1398,61 @@ inline bool Source::isEdgeFlagPassthrough(const Instruction& insn) const
insn.getSrc(0).getFile() == TGSI_FILE_INPUT;
}
+void Source::scanInstructionSrc(const Instruction& insn,
+ const Instruction::SrcRegister& src,
+ unsigned mask)
+{
+ if (src.getFile() == TGSI_FILE_TEMPORARY) {
+ if (src.isIndirect(0))
+ indirectTempArrays.insert(src.getArrayId());
+ } else
+ if (src.getFile() == TGSI_FILE_BUFFER ||
+ src.getFile() == TGSI_FILE_IMAGE ||
+ (src.getFile() == TGSI_FILE_MEMORY &&
+ memoryFiles[src.getIndex(0)].mem_type == TGSI_MEMORY_TYPE_GLOBAL)) {
+ info->io.globalAccess |= (insn.getOpcode() == TGSI_OPCODE_LOAD) ?
+ 0x1 : 0x2;
+ } else
+ if (src.getFile() == TGSI_FILE_OUTPUT) {
+ if (src.isIndirect(0)) {
+ // We don't know which one is accessed, just mark everything for
+ // reading. This is an extremely unlikely occurrence.
+ for (unsigned i = 0; i < info->numOutputs; ++i)
+ info->out[i].oread = 1;
+ } else {
+ info->out[src.getIndex(0)].oread = 1;
+ }
+ }
+ if (src.getFile() != TGSI_FILE_INPUT)
+ return;
+
+ if (src.isIndirect(0)) {
+ for (unsigned i = 0; i < info->numInputs; ++i)
+ info->in[i].mask = 0xf;
+ } else {
+ const int i = src.getIndex(0);
+ for (unsigned c = 0; c < 4; ++c) {
+ if (!(mask & (1 << c)))
+ continue;
+ int k = src.getSwizzle(c);
+ if (k <= TGSI_SWIZZLE_W)
+ info->in[i].mask |= 1 << k;
+ }
+ switch (info->in[i].sn) {
+ case TGSI_SEMANTIC_PSIZE:
+ case TGSI_SEMANTIC_PRIMID:
+ case TGSI_SEMANTIC_FOG:
+ info->in[i].mask &= 0x1;
+ break;
+ case TGSI_SEMANTIC_PCOORD:
+ info->in[i].mask &= 0x3;
+ break;
+ default:
+ break;
+ }
+ }
+}
+
bool Source::scanInstruction(const struct tgsi_full_instruction *inst)
{
Instruction insn(inst);
@@ -1397,66 +1485,19 @@ bool Source::scanInstruction(const struct tgsi_full_instruction *inst)
indirectTempArrays.insert(dst.getArrayId());
} else
if (dst.getFile() == TGSI_FILE_BUFFER ||
- dst.getFile() == TGSI_FILE_IMAGE ||
+ dst.getFile() == TGSI_FILE_IMAGE ||
(dst.getFile() == TGSI_FILE_MEMORY &&
memoryFiles[dst.getIndex(0)].mem_type == TGSI_MEMORY_TYPE_GLOBAL)) {
info->io.globalAccess |= 0x2;
}
}
- for (unsigned s = 0; s < insn.srcCount(); ++s) {
- Instruction::SrcRegister src = insn.getSrc(s);
- if (src.getFile() == TGSI_FILE_TEMPORARY) {
- if (src.isIndirect(0))
- indirectTempArrays.insert(src.getArrayId());
- } else
- if (src.getFile() == TGSI_FILE_BUFFER ||
- src.getFile() == TGSI_FILE_IMAGE ||
- (src.getFile() == TGSI_FILE_MEMORY &&
- memoryFiles[src.getIndex(0)].mem_type == TGSI_MEMORY_TYPE_GLOBAL)) {
- info->io.globalAccess |= (insn.getOpcode() == TGSI_OPCODE_LOAD) ?
- 0x1 : 0x2;
- } else
- if (src.getFile() == TGSI_FILE_OUTPUT) {
- if (src.isIndirect(0)) {
- // We don't know which one is accessed, just mark everything for
- // reading. This is an extremely unlikely occurrence.
- for (unsigned i = 0; i < info->numOutputs; ++i)
- info->out[i].oread = 1;
- } else {
- info->out[src.getIndex(0)].oread = 1;
- }
- }
- if (src.getFile() != TGSI_FILE_INPUT)
- continue;
- unsigned mask = insn.srcMask(s);
+ for (unsigned s = 0; s < insn.srcCount(); ++s)
+ scanInstructionSrc(insn, insn.getSrc(s), insn.srcMask(s));
+
+ for (unsigned s = 0; s < insn.getNumTexOffsets(); ++s)
+ scanInstructionSrc(insn, insn.getTexOffset(s), insn.texOffsetMask());
- if (src.isIndirect(0)) {
- for (unsigned i = 0; i < info->numInputs; ++i)
- info->in[i].mask = 0xf;
- } else {
- const int i = src.getIndex(0);
- for (unsigned c = 0; c < 4; ++c) {
- if (!(mask & (1 << c)))
- continue;
- int k = src.getSwizzle(c);
- if (k <= TGSI_SWIZZLE_W)
- info->in[i].mask |= 1 << k;
- }
- switch (info->in[i].sn) {
- case TGSI_SEMANTIC_PSIZE:
- case TGSI_SEMANTIC_PRIMID:
- case TGSI_SEMANTIC_FOG:
- info->in[i].mask &= 0x1;
- break;
- case TGSI_SEMANTIC_PCOORD:
- info->in[i].mask &= 0x3;
- break;
- default:
- break;
- }
- }
- }
return true;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 14:05:10 +0000