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pica: move global shader buffer state into Pica::State (#4796)

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This commit is contained in:
Weiyi Wang 2019-06-19 18:39:08 -04:00 • committed by Tobias
parent a11bc03d4a
commit bb776e25a9
3 changed files with 29 additions and 23 deletions
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37
src/video_core/command_processor.cpp
View file

@ -30,15 +30,6 @@
namespace Pica::CommandProcessor {
static int vs_float_regs_counter = 0;
static u32 vs_uniform_write_buffer[4];
static int gs_float_regs_counter = 0;
static u32 gs_uniform_write_buffer[4];
static int default_attr_counter = 0;
static u32 default_attr_write_buffer[3];
// Expand a 4-bit mask to 4-byte mask, e.g. 0b0101 -> 0x00FF00FF
static const u32 expand_bits_to_bytes[] = {
0x00000000, 0x000000ff, 0x0000ff00, 0x0000ffff, 0x00ff0000, 0x00ff00ff, 0x00ffff00, 0x00ffffff,
@ -161,7 +152,7 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
case PICA_REG_INDEX(pipeline.vs_default_attributes_setup.index):
g_state.immediate.current_attribute = 0;
g_state.immediate.reset_geometry_pipeline = true;
default_attr_counter = 0;
g_state.default_attr_counter = 0;
break;
// Load default vertex input attributes
@ -170,14 +161,14 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
case PICA_REG_INDEX_WORKAROUND(pipeline.vs_default_attributes_setup.set_value[2], 0x235): {
// TODO: Does actual hardware indeed keep an intermediate buffer or does
// it directly write the values?
default_attr_write_buffer[default_attr_counter++] = value;
g_state.default_attr_write_buffer[g_state.default_attr_counter++] = value;
// Default attributes are written in a packed format such that four float24 values are
// encoded in
// three 32-bit numbers. We write to internal memory once a full such vector is
// written.
if (default_attr_counter >= 3) {
default_attr_counter = 0;
if (g_state.default_attr_counter >= 3) {
g_state.default_attr_counter = 0;
auto& setup = regs.pipeline.vs_default_attributes_setup;
@ -189,12 +180,12 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
Common::Vec4<float24> attribute;
// NOTE: The destination component order indeed is "backwards"
attribute.w = float24::FromRaw(default_attr_write_buffer[0] >> 8);
attribute.z = float24::FromRaw(((default_attr_write_buffer[0] & 0xFF) << 16) |
((default_attr_write_buffer[1] >> 16) & 0xFFFF));
attribute.y = float24::FromRaw(((default_attr_write_buffer[1] & 0xFFFF) << 8) |
((default_attr_write_buffer[2] >> 24) & 0xFF));
attribute.x = float24::FromRaw(default_attr_write_buffer[2] & 0xFFFFFF);
attribute.w = float24::FromRaw(g_state.default_attr_write_buffer[0] >> 8);
attribute.z = float24::FromRaw(((g_state.default_attr_write_buffer[0] & 0xFF) << 16) |
((g_state.default_attr_write_buffer[1] >> 16) & 0xFFFF));
attribute.y = float24::FromRaw(((g_state.default_attr_write_buffer[1] & 0xFFFF) << 8) |
((g_state.default_attr_write_buffer[2] >> 24) & 0xFF));
attribute.x = float24::FromRaw(g_state.default_attr_write_buffer[2] & 0xFFFFFF);
LOG_TRACE(HW_GPU, "Set default VS attribute {:x} to ({} {} {} {})", (int)setup.index,
attribute.x.ToFloat32(), attribute.y.ToFloat32(), attribute.z.ToFloat32(),
@ -459,8 +450,8 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
case PICA_REG_INDEX_WORKAROUND(gs.uniform_setup.set_value[5], 0x296):
case PICA_REG_INDEX_WORKAROUND(gs.uniform_setup.set_value[6], 0x297):
case PICA_REG_INDEX_WORKAROUND(gs.uniform_setup.set_value[7], 0x298): {
WriteUniformFloatReg(g_state.regs.gs, g_state.gs, gs_float_regs_counter,
gs_uniform_write_buffer, value);
WriteUniformFloatReg(g_state.regs.gs, g_state.gs, g_state.gs_float_regs_counter,
g_state.gs_uniform_write_buffer, value);
break;
}
@ -528,8 +519,8 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
case PICA_REG_INDEX_WORKAROUND(vs.uniform_setup.set_value[6], 0x2c7):
case PICA_REG_INDEX_WORKAROUND(vs.uniform_setup.set_value[7], 0x2c8): {
// TODO (wwylele): does regs.pipeline.gs_unit_exclusive_configuration affect this?
WriteUniformFloatReg(g_state.regs.vs, g_state.vs, vs_float_regs_counter,
vs_uniform_write_buffer, value);
WriteUniformFloatReg(g_state.regs.vs, g_state.vs, g_state.vs_float_regs_counter,
g_state.vs_uniform_write_buffer, value);
break;
}

6
src/video_core/pica.cpp
View file

@ -50,5 +50,11 @@ void State::Reset() {
Zero(cmd_list);
Zero(immediate);
primitive_assembler.Reconfigure(PipelineRegs::TriangleTopology::List);
vs_float_regs_counter = 0;
Zero(vs_uniform_write_buffer);
gs_float_regs_counter = 0;
Zero(gs_uniform_write_buffer);
default_attr_counter = 0;
Zero(default_attr_write_buffer);
}
} // namespace Pica

9
src/video_core/pica_state.h
View file

@ -152,6 +152,15 @@ struct State {
// This is constructed with a dummy triangle topology
PrimitiveAssembler<Shader::OutputVertex> primitive_assembler;
int vs_float_regs_counter = 0;
u32 vs_uniform_write_buffer[4]{};
int gs_float_regs_counter = 0;
u32 gs_uniform_write_buffer[4]{};
int default_attr_counter = 0;
u32 default_attr_write_buffer[3]{};
};
extern State g_state; ///< Current Pica state