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[GPU] Scissor in draw_util

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Triang3l
2020-11-15 16:34:14 +03:00
parent 171c97c929
commit 56a07c1773
3 changed files with 50 additions and 27 deletions
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28
src/xenia/gpu/draw_util.cc
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@@ -111,6 +111,34 @@ int32_t FloatToD3D11Fixed16p8(float f32) {
return result.s;
}
void GetScissor(const RegisterFile& regs, Scissor& scissor_out) {
// FIXME(Triang3l): Screen scissor isn't applied here, but it seems to be
// unused on Xbox 360 Direct3D 9.
auto pa_sc_window_scissor_tl = regs.Get<reg::PA_SC_WINDOW_SCISSOR_TL>();
auto pa_sc_window_scissor_br = regs.Get<reg::PA_SC_WINDOW_SCISSOR_BR>();
uint32_t tl_x = pa_sc_window_scissor_tl.tl_x;
uint32_t tl_y = pa_sc_window_scissor_tl.tl_y;
uint32_t br_x = pa_sc_window_scissor_br.br_x;
uint32_t br_y = pa_sc_window_scissor_br.br_y;
if (!pa_sc_window_scissor_tl.window_offset_disable) {
auto pa_sc_window_offset = regs.Get<reg::PA_SC_WINDOW_OFFSET>();
tl_x = uint32_t(std::max(
int32_t(tl_x) + pa_sc_window_offset.window_x_offset, int32_t(0)));
tl_y = uint32_t(std::max(
int32_t(tl_y) + pa_sc_window_offset.window_y_offset, int32_t(0)));
br_x = uint32_t(std::max(
int32_t(br_x) + pa_sc_window_offset.window_x_offset, int32_t(0)));
br_y = uint32_t(std::max(
int32_t(br_y) + pa_sc_window_offset.window_y_offset, int32_t(0)));
}
br_x = std::max(br_x, tl_x);
br_y = std::max(br_y, tl_y);
scissor_out.left = tl_x;
scissor_out.top = tl_y;
scissor_out.width = br_x - tl_x;
scissor_out.height = br_y - tl_y;
}
xenos::CopySampleSelect SanitizeCopySampleSelect(
xenos::CopySampleSelect copy_sample_select, xenos::MsaaSamples msaa_samples,
bool is_depth) {