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rsx: Implement depth_buffer_float support.

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- Since this is transparent to the application at all time, it only becomes a problem when doing memory transfer or DEPTH->RGBA conversion in shaders.
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kd-11 2019-08-14 01:38:31 +03:00 • committed by kd-11
parent 0aea33687e
commit f9aea076ae
12 changed files with 136 additions and 29 deletions
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11
rpcs3/Emu/RSX/RSXThread.cpp
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@ -1049,6 +1049,7 @@ namespace rsx
layout.color_format = rsx::method_registers.surface_color();
layout.depth_format = rsx::method_registers.surface_depth_fmt();
layout.depth_float = rsx::method_registers.depth_buffer_float_enabled();
layout.target = rsx::method_registers.surface_color_target();
const auto aa_mode = rsx::method_registers.surface_antialias();
@ -1259,6 +1260,7 @@ namespace rsx
{
if (m_surface_info[i].width != layout.width ||
m_surface_info[i].height != layout.height ||
m_surface_info[i].color_format != layout.color_format ||
m_surface_info[i].samples != sample_count)
{
really_changed = true;
@ -1270,6 +1272,8 @@ namespace rsx
if (!really_changed)
{
if (layout.zeta_address == m_depth_surface_info.address &&
layout.depth_format == m_depth_surface_info.depth_format &&
layout.depth_float == m_depth_surface_info.depth_buffer_float &&
sample_count == m_depth_surface_info.samples)
{
// Same target is reused
@ -1650,7 +1654,7 @@ namespace rsx
if (raw_format & CELL_GCM_TEXTURE_UN)
result.unnormalized_coords |= (1 << i);
if (sampler_descriptors[i]->is_depth_texture)
if (sampler_descriptors[i]->format_class != format_type::color)
{
switch (format)
{
@ -1664,9 +1668,10 @@ namespace rsx
{
// Reading depth data as XRGB8 is supported with in-shader conversion
// TODO: Optionally add support for 16-bit formats (not necessary since type casts are easy with that)
u32 remap = tex.remap();
u32 control_bits = sampler_descriptors[i]->format_class == format_type::depth_float? (1u << 16) : 0u;
control_bits |= tex.remap() & 0xFFFF;
result.redirected_textures |= (1 << i);
result.texture_scale[i][2] = std::bit_cast<f32>(remap);
result.texture_scale[i][2] = std::bit_cast<f32>(control_bits);
break;
}
case CELL_GCM_TEXTURE_DEPTH16: