diff options
| author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-05-14 00:40:54 -0300 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-22 21:51:31 -0400 |
| commit | d54d7de40e7295827b0e4e4026441b53d3fc9569 (patch) | |
| tree | 29b5074f851292dace7aeb5da7716675544b3735 /src/shader_recompiler/frontend/maxwell/program.cpp | |
| parent | 7ff5851608031baca2adceb9f72e7c75eda9b3a9 (diff) | |
glasm: Rework control flow introducing a syntax list
This commit regresses VertexA shaders, their transformation pass has to
be adapted to the new control flow.
Diffstat (limited to 'src/shader_recompiler/frontend/maxwell/program.cpp')
| -rw-r--r-- | src/shader_recompiler/frontend/maxwell/program.cpp | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/program.cpp b/src/shader_recompiler/frontend/maxwell/program.cpp index 0d3f006991..017c4b8fdc 100644 --- a/src/shader_recompiler/frontend/maxwell/program.cpp +++ b/src/shader_recompiler/frontend/maxwell/program.cpp @@ -4,6 +4,7 @@ #include <algorithm> #include <memory> +#include <ranges> #include <vector> #include "shader_recompiler/frontend/ir/basic_block.h" @@ -15,6 +16,16 @@ namespace Shader::Maxwell { namespace { +IR::BlockList GenerateBlocks(const IR::AbstractSyntaxList& syntax_list) { + auto syntax_blocks{syntax_list | std::views::filter([](const auto& node) { + return node.type == IR::AbstractSyntaxNode::Type::Block; + })}; + IR::BlockList blocks(std::ranges::distance(syntax_blocks)); + std::ranges::transform(syntax_blocks, blocks.begin(), + [](const IR::AbstractSyntaxNode& node) { return node.block; }); + return blocks; +} + void RemoveUnreachableBlocks(IR::Program& program) { // Some blocks might be unreachable if a function call exists unconditionally // If this happens the number of blocks and post order blocks will mismatch @@ -23,7 +34,7 @@ void RemoveUnreachableBlocks(IR::Program& program) { } const auto begin{program.blocks.begin() + 1}; const auto end{program.blocks.end()}; - const auto pred{[](IR::Block* block) { return block->ImmediatePredecessors().empty(); }}; + const auto pred{[](IR::Block* block) { return block->ImmPredecessors().empty(); }}; program.blocks.erase(std::remove_if(begin, end, pred), end); } @@ -110,8 +121,9 @@ void AddNVNStorageBuffers(IR::Program& program) { IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool, Environment& env, Flow::CFG& cfg) { IR::Program program; - program.blocks = VisitAST(inst_pool, block_pool, env, cfg); - program.post_order_blocks = PostOrder(program.blocks); + program.syntax_list = BuildASL(inst_pool, block_pool, env, cfg); + program.blocks = GenerateBlocks(program.syntax_list); + program.post_order_blocks = PostOrder(program.syntax_list.front()); program.stage = env.ShaderStage(); program.local_memory_size = env.LocalMemorySize(); switch (program.stage) { @@ -159,9 +171,7 @@ IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b Optimization::VertexATransformPass(vertex_a); Optimization::VertexBTransformPass(vertex_b); std::swap(result.blocks, vertex_a.blocks); - for (IR::Block* block : vertex_b.blocks) { - result.blocks.push_back(block); - } + result.blocks.insert(result.blocks.end(), vertex_b.blocks.begin(), vertex_b.blocks.end()); result.stage = Stage::VertexB; result.info = vertex_a.info; result.local_memory_size = std::max(vertex_a.local_memory_size, vertex_b.local_memory_size); @@ -173,7 +183,7 @@ IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b Optimization::JoinTextureInfo(result.info, vertex_b.info); Optimization::JoinStorageInfo(result.info, vertex_b.info); Optimization::DualVertexJoinPass(result); - result.post_order_blocks = PostOrder(result.blocks); + result.post_order_blocks = PostOrder(result.syntax_list.front()); Optimization::DeadCodeEliminationPass(result); Optimization::VerificationPass(result); Optimization::CollectShaderInfoPass(env_vertex_b, result); |