lee/renderdoc
1
0
Fork 0
mirror of https://github.com/baldurk/renderdoc.git synced 2026-05-06 01:50:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add skeleton of generating PS-input gathering shader in SPIR-V

Browse Source
This commit is contained in:
baldurk
2020-03-20 11:29:24 +00:00
parent 9516e8df09
commit c1f91bcd51
1 changed files with 79 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
renderdoc/driver/vulkan/vk_shaderdebug.cpp
+79
View File
@@ -22,12 +22,18 @@
* THE SOFTWARE.
******************************************************************************/
#include "core/settings.h"
#include "driver/shaders/spirv/spirv_debug.h"
#include "driver/shaders/spirv/spirv_editor.h"
#include "driver/shaders/spirv/spirv_op_helpers.h"
#include "maths/formatpacking.h"
#include "vk_core.h"
#include "vk_debug.h"
#include "vk_replay.h"
RDOC_DEBUG_CONFIG(rdcstr, Vulkan_Debug_PSDebugDumpDirPath, "",
"Path to dump before and after pixel shader input SPIR-V files.");
class VulkanAPIWrapper : public rdcspv::DebugAPIWrapper
{
public:
@@ -312,6 +318,79 @@ ShaderDebugTrace *VulkanReplay::DebugPixel(uint32_t eventId, uint32_t x, uint32_
std::map<ShaderBuiltin, ShaderVariable> &builtins = apiWrapper->builtin_inputs;
builtins[ShaderBuiltin::DeviceIndex] = ShaderVariable(rdcstr(), 0U, 0U, 0U, 0U);
builtins[ShaderBuiltin::DrawIndex] = ShaderVariable(rdcstr(), draw->drawIndex, 0U, 0U, 0U);
rdcarray<uint32_t> fragspv = shader.spirv.GetSPIRV();
if(!Vulkan_Debug_PSDebugDumpDirPath.empty())
FileIO::WriteAll(Vulkan_Debug_PSDebugDumpDirPath + "/debug_psinput_before.spv", fragspv);
{
rdcspv::Editor editor(fragspv);
editor.Prepare();
// first delete all functions. We will recreate the entry point
{
rdcarray<rdcspv::Id> removedIds;
rdcspv::Iter it = editor.Begin(rdcspv::Section::Functions);
rdcspv::Iter end = editor.End(rdcspv::Section::Functions);
while(it < end)
{
removedIds.push_back(rdcspv::OpDecoder(it).result);
editor.Remove(it);
it++;
}
// remove any OpName that refers to deleted IDs - functions or results
it = editor.Begin(rdcspv::Section::Debug);
end = editor.End(rdcspv::Section::Debug);
while(it < end)
{
if(it.opcode() == rdcspv::Op::Name)
{
rdcspv::OpName name(it);
if(removedIds.contains(name.target))
editor.Remove(it);
}
it++;
}
}
// remove all other entry point
rdcspv::Id entryID;
for(const rdcspv::EntryPoint &e : editor.GetEntries())
{
if(e.name == shadRefl.entryPoint)
{
entryID = e.id;
break;
}
}
{
rdcarray<rdcspv::Operation> ops;
rdcspv::Id voidType = editor.DeclareType(rdcspv::scalar<void>());
ops.push_back(rdcspv::OpFunction(voidType, entryID, rdcspv::FunctionControl::None,
editor.DeclareType(rdcspv::FunctionType(voidType, {}))));
ops.push_back(rdcspv::OpLabel(editor.MakeId()));
{
}
ops.push_back(rdcspv::OpReturn());
ops.push_back(rdcspv::OpFunctionEnd());
editor.AddFunction(ops.data(), ops.size());
}
}
if(!Vulkan_Debug_PSDebugDumpDirPath.empty())
FileIO::WriteAll(Vulkan_Debug_PSDebugDumpDirPath + "/debug_psinput_after.spv", fragspv);
rdcspv::Debugger *debugger = new rdcspv::Debugger;
debugger->Parse(shader.spirv.GetSPIRV());
ShaderDebugTrace *ret = debugger->BeginDebug(apiWrapper, ShaderStage::Pixel, entryPoint, spec,