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GPU States: Implement Polygon Offset. This is used in SMO all the time. (#1784)

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* GPU States: Implement Polygon Offset. This is used in SMO all the time.

* Clang Format fixes.

* Initialize polygon_offset in the constructor.
pull/8/head
Marcos 6 years ago committed by bunnei
parent 7684f4d0cf
commit cb8d51e37e
5 changed files with 107 additions and 5 deletions
Show Stats Download Patch File Download Diff File

30
src/video_core/engines/maxwell_3d.h
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@ -590,10 +590,18 @@ public:
float clear_color[4];
float clear_depth;
INSERT_PADDING_WORDS(0x3);
s32 clear_stencil;
INSERT_PADDING_WORDS(0x17);
INSERT_PADDING_WORDS(0x7);
u32 polygon_offset_point_enable;
u32 polygon_offset_line_enable;
u32 polygon_offset_fill_enable;
INSERT_PADDING_WORDS(0xD);
std::array<ScissorTest, NumViewports> scissor_test;
@ -762,7 +770,11 @@ public:
}
} tsc;
INSERT_PADDING_WORDS(0x3);
INSERT_PADDING_WORDS(0x1);
float polygon_offset_factor;
INSERT_PADDING_WORDS(0x1);
struct {
u32 tic_address_high;
@ -787,7 +799,9 @@ public:
u32 framebuffer_srgb;
INSERT_PADDING_WORDS(0x12);
float polygon_offset_units;
INSERT_PADDING_WORDS(0x11);
union {
BitField<2, 1, u32> coord_origin;
@ -864,7 +878,9 @@ public:
INSERT_PADDING_WORDS(0x7);
INSERT_PADDING_WORDS(0x20);
INSERT_PADDING_WORDS(0x1F);
float polygon_offset_clamp;
struct {
u32 is_instanced[NumVertexArrays];
@ -1137,6 +1153,9 @@ ASSERT_REG_POSITION(vertex_buffer, 0x35D);
ASSERT_REG_POSITION(clear_color[0], 0x360);
ASSERT_REG_POSITION(clear_depth, 0x364);
ASSERT_REG_POSITION(clear_stencil, 0x368);
ASSERT_REG_POSITION(polygon_offset_point_enable, 0x370);
ASSERT_REG_POSITION(polygon_offset_line_enable, 0x371);
ASSERT_REG_POSITION(polygon_offset_fill_enable, 0x372);
ASSERT_REG_POSITION(scissor_test, 0x380);
ASSERT_REG_POSITION(stencil_back_func_ref, 0x3D5);
ASSERT_REG_POSITION(stencil_back_mask, 0x3D6);
@ -1175,6 +1194,7 @@ ASSERT_REG_POSITION(point_size, 0x546);
ASSERT_REG_POSITION(zeta_enable, 0x54E);
ASSERT_REG_POSITION(multisample_control, 0x54F);
ASSERT_REG_POSITION(tsc, 0x557);
ASSERT_REG_POSITION(polygon_offset_factor, 0x55b);
ASSERT_REG_POSITION(tic, 0x55D);
ASSERT_REG_POSITION(stencil_two_side_enable, 0x565);
ASSERT_REG_POSITION(stencil_back_op_fail, 0x566);
@ -1182,11 +1202,13 @@ ASSERT_REG_POSITION(stencil_back_op_zfail, 0x567);
ASSERT_REG_POSITION(stencil_back_op_zpass, 0x568);
ASSERT_REG_POSITION(stencil_back_func_func, 0x569);
ASSERT_REG_POSITION(framebuffer_srgb, 0x56E);
ASSERT_REG_POSITION(polygon_offset_units, 0x56F);
ASSERT_REG_POSITION(point_coord_replace, 0x581);
ASSERT_REG_POSITION(code_address, 0x582);
ASSERT_REG_POSITION(draw, 0x585);
ASSERT_REG_POSITION(primitive_restart, 0x591);
ASSERT_REG_POSITION(index_array, 0x5F2);
ASSERT_REG_POSITION(polygon_offset_clamp, 0x61F);
ASSERT_REG_POSITION(instanced_arrays, 0x620);
ASSERT_REG_POSITION(cull, 0x646);
ASSERT_REG_POSITION(logic_op, 0x671);

12
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -620,7 +620,7 @@ void RasterizerOpenGL::DrawArrays() {
SyncTransformFeedback();
SyncPointState();
CheckAlphaTests();
SyncPolygonOffset();
// TODO(bunnei): Sync framebuffer_scale uniform here
// TODO(bunnei): Sync scissorbox uniform(s) here
@ -1179,6 +1179,16 @@ void RasterizerOpenGL::SyncPointState() {
state.point.size = regs.point_size;
}
void RasterizerOpenGL::SyncPolygonOffset() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
state.polygon_offset.fill_enable = regs.polygon_offset_fill_enable != 0;
state.polygon_offset.line_enable = regs.polygon_offset_line_enable != 0;
state.polygon_offset.point_enable = regs.polygon_offset_point_enable != 0;
state.polygon_offset.units = regs.polygon_offset_units;
state.polygon_offset.factor = regs.polygon_offset_factor;
state.polygon_offset.clamp = regs.polygon_offset_clamp;
}
void RasterizerOpenGL::CheckAlphaTests() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;

3
src/video_core/renderer_opengl/gl_rasterizer.h
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@ -183,6 +183,9 @@ private:
/// Syncs Color Mask
void SyncColorMask();
/// Syncs the polygon offsets
void SyncPolygonOffset();
/// Check asserts for alpha testing.
void CheckAlphaTests();

57
src/video_core/renderer_opengl/gl_state.cpp
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@ -92,6 +92,13 @@ OpenGLState::OpenGLState() {
point.size = 1;
fragment_color_clamp.enabled = false;
polygon_offset.fill_enable = false;
polygon_offset.line_enable = false;
polygon_offset.point_enable = false;
polygon_offset.factor = 0.0f;
polygon_offset.units = 0.0f;
polygon_offset.clamp = 0.0f;
}
void OpenGLState::ApplyDefaultState() {
@ -406,6 +413,55 @@ void OpenGLState::ApplyLogicOp() const {
}
}
void OpenGLState::ApplyPolygonOffset() const {
const bool fill_enable_changed =
polygon_offset.fill_enable != cur_state.polygon_offset.fill_enable;
const bool line_enable_changed =
polygon_offset.line_enable != cur_state.polygon_offset.line_enable;
const bool point_enable_changed =
polygon_offset.point_enable != cur_state.polygon_offset.point_enable;
const bool factor_changed = polygon_offset.factor != cur_state.polygon_offset.factor;
const bool units_changed = polygon_offset.units != cur_state.polygon_offset.units;
const bool clamp_changed = polygon_offset.clamp != cur_state.polygon_offset.clamp;
if (fill_enable_changed) {
if (polygon_offset.fill_enable) {
glEnable(GL_POLYGON_OFFSET_FILL);
} else {
glDisable(GL_POLYGON_OFFSET_FILL);
}
}
if (line_enable_changed) {
if (polygon_offset.line_enable) {
glEnable(GL_POLYGON_OFFSET_LINE);
} else {
glDisable(GL_POLYGON_OFFSET_LINE);
}
}
if (point_enable_changed) {
if (polygon_offset.point_enable) {
glEnable(GL_POLYGON_OFFSET_POINT);
} else {
glDisable(GL_POLYGON_OFFSET_POINT);
}
}
if ((polygon_offset.fill_enable || polygon_offset.line_enable || polygon_offset.point_enable) &&
(factor_changed || units_changed || clamp_changed)) {
if (GLAD_GL_EXT_polygon_offset_clamp && polygon_offset.clamp != 0) {
glPolygonOffsetClamp(polygon_offset.factor, polygon_offset.units, polygon_offset.clamp);
} else {
glPolygonOffset(polygon_offset.factor, polygon_offset.units);
UNIMPLEMENTED_IF_MSG(polygon_offset.clamp != 0,
"Unimplemented Depth polygon offset clamp.");
}
}
}
void OpenGLState::ApplyTextures() const {
for (std::size_t i = 0; i < std::size(texture_units); ++i) {
const auto& texture_unit = texture_units[i];
@ -532,6 +588,7 @@ void OpenGLState::Apply() const {
ApplyLogicOp();
ApplyTextures();
ApplySamplers();
ApplyPolygonOffset();
cur_state = *this;
}

10
src/video_core/renderer_opengl/gl_state.h
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@ -176,6 +176,15 @@ public:
float size; // GL_POINT_SIZE
} point;
struct {
bool point_enable;
bool line_enable;
bool fill_enable;
GLfloat units;
GLfloat factor;
GLfloat clamp;
} polygon_offset;
std::array<bool, 2> clip_distance; // GL_CLIP_DISTANCE
OpenGLState();
@ -226,6 +235,7 @@ private:
void ApplyLogicOp() const;
void ApplyTextures() const;
void ApplySamplers() const;
void ApplyPolygonOffset() const;
};
} // namespace OpenGL

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