diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp index c8c92757a..5d516cdb3 100644 --- a/src/video_core/engines/maxwell_3d.cpp +++ b/src/video_core/engines/maxwell_3d.cpp @@ -329,6 +329,10 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) { ProcessMacroBind(method_call.argument); break; } + case MAXWELL3D_REG_INDEX(firmware[4]): { + ProcessFirmwareCall4(); + break; + } case MAXWELL3D_REG_INDEX(const_buffer.cb_data[0]): case MAXWELL3D_REG_INDEX(const_buffer.cb_data[1]): case MAXWELL3D_REG_INDEX(const_buffer.cb_data[2]): @@ -419,6 +423,14 @@ void Maxwell3D::ProcessMacroBind(u32 data) { macro_positions[regs.macros.entry++] = data; } +void Maxwell3D::ProcessFirmwareCall4() { + LOG_WARNING(HW_GPU, "(STUBBED) called"); + + // Firmware call 4 is a blob that changes some registers depending on its parameters. + // These registers don't affect emulation and so are stubbed by setting 0xd00 to 1. + regs.reg_array[0xd00] = 1; +} + void Maxwell3D::ProcessQueryGet() { const GPUVAddr sequence_address{regs.query.QueryAddress()}; // Since the sequence address is given as a GPU VAddr, we have to convert it to an application diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h index f67a5389f..e5ec90717 100644 --- a/src/video_core/engines/maxwell_3d.h +++ b/src/video_core/engines/maxwell_3d.h @@ -1089,7 +1089,9 @@ public: INSERT_PADDING_WORDS(14); } shader_config[MaxShaderProgram]; - INSERT_PADDING_WORDS(0x80); + INSERT_PADDING_WORDS(0x60); + + u32 firmware[0x20]; struct { u32 cb_size; @@ -1319,6 +1321,9 @@ private: /// Handles writes to the macro bind register. void ProcessMacroBind(u32 data); + /// Handles firmware blob 4 + void ProcessFirmwareCall4(); + /// Handles a write to the CLEAR_BUFFERS register. void ProcessClearBuffers(); @@ -1431,6 +1436,7 @@ ASSERT_REG_POSITION(vertex_array[0], 0x700); ASSERT_REG_POSITION(independent_blend, 0x780); ASSERT_REG_POSITION(vertex_array_limit[0], 0x7C0); ASSERT_REG_POSITION(shader_config[0], 0x800); +ASSERT_REG_POSITION(firmware, 0x8C0); ASSERT_REG_POSITION(const_buffer, 0x8E0); ASSERT_REG_POSITION(cb_bind[0], 0x904); ASSERT_REG_POSITION(tex_cb_index, 0x982); diff --git a/src/video_core/macro_interpreter.cpp b/src/video_core/macro_interpreter.cpp index 4e1cb98db..62afc0d11 100644 --- a/src/video_core/macro_interpreter.cpp +++ b/src/video_core/macro_interpreter.cpp @@ -131,9 +131,7 @@ bool MacroInterpreter::Step(u32 offset, bool is_delay_slot) { // An instruction with the Exit flag will not actually // cause an exit if it's executed inside a delay slot. - // TODO(Blinkhawk): Reversed to always exit. The behavior explained above requires further - // testing on the MME code. - if (opcode.is_exit) { + if (opcode.is_exit && !is_delay_slot) { // Exit has a delay slot, execute the next instruction Step(offset, true); return false;