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Use correct scissor rects (#1146)

Browse source 
* WIP

* Proper combination of scissors

* convert static functions to lambdas
This commit is contained in:
Vladislav Mikhalin 2024-10-01 21:42:01 +03:00 committed by GitHub
parent 3dea1a9f81
commit 7d96c9d634
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GPG key ID: B5690EEEBB952194
2 changed files with 89 additions and 18 deletions
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53
src/video_core/amdgpu/liverpool.h
View file

@ -253,6 +253,13 @@ struct Liverpool {
}
};
struct ModeControl {
s32 msaa_enable : 1;
s32 vport_scissor_enable : 1;
s32 line_stripple_enable : 1;
s32 send_unlit_stiles_to_pkr : 1;
};
enum class ZOrder : u32 {
LateZ = 0,
EarlyZLateZ = 1,
@ -559,29 +566,39 @@ struct Liverpool {
s16 top_left_x;
s16 top_left_y;
};
union {
BitField<0, 15, u32> bottom_right_x;
BitField<16, 15, u32> bottom_right_y;
struct {
s16 bottom_right_x;
s16 bottom_right_y;
};
// From AMD spec: 'Negative numbers clamped to 0'
static s16 Clamp(s16 value) {
return std::max(s16(0), value);
}
u32 GetWidth() const {
return static_cast<u32>(bottom_right_x - top_left_x);
return static_cast<u32>(Clamp(bottom_right_x) - Clamp(top_left_x));
}
u32 GetHeight() const {
return static_cast<u32>(bottom_right_y - top_left_y);
return static_cast<u32>(Clamp(bottom_right_y) - Clamp(top_left_y));
}
};
struct WindowOffset {
s32 window_x_offset : 16;
s32 window_y_offset : 16;
};
struct ViewportScissor {
union {
BitField<0, 15, s32> top_left_x;
BitField<15, 15, s32> top_left_y;
BitField<30, 1, s32> window_offset_disable;
BitField<16, 15, s32> top_left_y;
BitField<31, 1, s32> window_offset_disable;
};
union {
BitField<0, 15, s32> bottom_right_x;
BitField<15, 15, s32> bottom_right_y;
struct {
s16 bottom_right_x;
s16 bottom_right_y;
};
u32 GetWidth() const {
@ -953,10 +970,14 @@ struct Liverpool {
Scissor screen_scissor;
INSERT_PADDING_WORDS(0xA010 - 0xA00C - 2);
DepthBuffer depth_buffer;
INSERT_PADDING_WORDS(0xA08E - 0xA018);
INSERT_PADDING_WORDS(0xA080 - 0xA018);
WindowOffset window_offset;
ViewportScissor window_scissor;
INSERT_PADDING_WORDS(0xA08E - 0xA081 - 2);
ColorBufferMask color_target_mask;
ColorBufferMask color_shader_mask;
INSERT_PADDING_WORDS(0xA094 - 0xA08E - 2);
ViewportScissor generic_scissor;
INSERT_PADDING_WORDS(2);
std::array<ViewportScissor, NumViewports> viewport_scissors;
std::array<ViewportDepth, NumViewports> viewport_depths;
INSERT_PADDING_WORDS(0xA103 - 0xA0D4);
@ -994,7 +1015,9 @@ struct Liverpool {
PolygonControl polygon_control;
ViewportControl viewport_control;
VsOutputControl vs_output_control;
INSERT_PADDING_WORDS(0xA29E - 0xA207 - 2);
INSERT_PADDING_WORDS(0xA292 - 0xA207 - 1);
ModeControl mode_control;
INSERT_PADDING_WORDS(0xA29D - 0xA292 - 1);
u32 index_size;
u32 max_index_size;
IndexBufferType index_buffer_type;
@ -1206,8 +1229,11 @@ static_assert(GFX6_3D_REG_INDEX(depth_htile_data_base) == 0xA005);
static_assert(GFX6_3D_REG_INDEX(screen_scissor) == 0xA00C);
static_assert(GFX6_3D_REG_INDEX(depth_buffer.z_info) == 0xA010);
static_assert(GFX6_3D_REG_INDEX(depth_buffer.depth_slice) == 0xA017);
static_assert(GFX6_3D_REG_INDEX(window_offset) == 0xA080);
static_assert(GFX6_3D_REG_INDEX(window_scissor) == 0xA081);
static_assert(GFX6_3D_REG_INDEX(color_target_mask) == 0xA08E);
static_assert(GFX6_3D_REG_INDEX(color_shader_mask) == 0xA08F);
static_assert(GFX6_3D_REG_INDEX(generic_scissor) == 0xA090);
static_assert(GFX6_3D_REG_INDEX(viewport_scissors) == 0xA094);
static_assert(GFX6_3D_REG_INDEX(primitive_restart_index) == 0xA103);
static_assert(GFX6_3D_REG_INDEX(stencil_control) == 0xA10B);
@ -1227,6 +1253,7 @@ static_assert(GFX6_3D_REG_INDEX(color_control) == 0xA202);
static_assert(GFX6_3D_REG_INDEX(clipper_control) == 0xA204);
static_assert(GFX6_3D_REG_INDEX(viewport_control) == 0xA206);
static_assert(GFX6_3D_REG_INDEX(vs_output_control) == 0xA207);
static_assert(GFX6_3D_REG_INDEX(mode_control) == 0xA292);
static_assert(GFX6_3D_REG_INDEX(index_size) == 0xA29D);
static_assert(GFX6_3D_REG_INDEX(index_buffer_type) == 0xA29F);
static_assert(GFX6_3D_REG_INDEX(enable_primitive_id) == 0xA2A1);

54
src/video_core/renderer_vulkan/vk_rasterizer.cpp
View file

@ -368,11 +368,55 @@ void Rasterizer::UpdateViewportScissorState() {
.maxDepth = vp.zscale + vp.zoffset,
});
}
const auto& sc = regs.screen_scissor;
scissors.push_back({
.offset = {sc.top_left_x, sc.top_left_y},
.extent = {sc.GetWidth(), sc.GetHeight()},
});
const bool enable_offset = !regs.window_scissor.window_offset_disable.Value();
Liverpool::Scissor scsr{};
const auto combined_scissor_value_tl = [](s16 scr, s16 win, s16 gen, s16 win_offset) {
return std::max({scr, s16(win + win_offset), s16(gen + win_offset)});
};
scsr.top_left_x = combined_scissor_value_tl(
regs.screen_scissor.top_left_x, s16(regs.window_scissor.top_left_x.Value()),
s16(regs.generic_scissor.top_left_x.Value()),
enable_offset ? regs.window_offset.window_x_offset : 0);
scsr.top_left_y = combined_scissor_value_tl(
regs.screen_scissor.top_left_y, s16(regs.window_scissor.top_left_y.Value()),
s16(regs.generic_scissor.top_left_y.Value()),
enable_offset ? regs.window_offset.window_y_offset : 0);
const auto combined_scissor_value_br = [](s16 scr, s16 win, s16 gen, s16 win_offset) {
return std::min({scr, s16(win + win_offset), s16(gen + win_offset)});
};
scsr.bottom_right_x = combined_scissor_value_br(
regs.screen_scissor.bottom_right_x, regs.window_scissor.bottom_right_x,
regs.generic_scissor.bottom_right_x,
enable_offset ? regs.window_offset.window_x_offset : 0);
scsr.bottom_right_y = combined_scissor_value_br(
regs.screen_scissor.bottom_right_y, regs.window_scissor.bottom_right_y,
regs.generic_scissor.bottom_right_y,
enable_offset ? regs.window_offset.window_y_offset : 0);
for (u32 idx = 0; idx < Liverpool::NumViewports; idx++) {
auto vp_scsr = scsr;
if (regs.mode_control.vport_scissor_enable) {
vp_scsr.top_left_x =
std::max(vp_scsr.top_left_x, s16(regs.viewport_scissors[idx].top_left_x.Value()));
vp_scsr.top_left_y =
std::max(vp_scsr.top_left_y, s16(regs.viewport_scissors[idx].top_left_y.Value()));
vp_scsr.bottom_right_x =
std::min(vp_scsr.bottom_right_x, regs.viewport_scissors[idx].bottom_right_x);
vp_scsr.bottom_right_y =
std::min(vp_scsr.bottom_right_y, regs.viewport_scissors[idx].bottom_right_y);
}
scissors.push_back({
.offset = {vp_scsr.top_left_x, vp_scsr.top_left_y},
.extent = {vp_scsr.GetWidth(), vp_scsr.GetHeight()},
});
}
const auto cmdbuf = scheduler.CommandBuffer();
cmdbuf.setViewport(0, viewports);
cmdbuf.setScissor(0, scissors);