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// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <limits>
#include <glad/glad.h>
#include "common/common_types.h"
#include "video_core/dirty_flags.h"
#include "video_core/engines/maxwell_3d.h"
namespace Tegra {
namespace Control {
struct ChannelState;
}
} // namespace Tegra
namespace OpenGL {
namespace Dirty {
enum : u8 {
First = VideoCommon::Dirty::LastCommonEntry,
VertexFormats,
VertexFormat0,
VertexFormat31 = VertexFormat0 + 31,
VertexInstances,
VertexInstance0,
VertexInstance31 = VertexInstance0 + 31,
ViewportTransform,
Viewports,
Viewport0,
Viewport15 = Viewport0 + 15,
Scissors,
Scissor0,
Scissor15 = Scissor0 + 15,
ColorMaskCommon,
ColorMasks,
ColorMask0,
ColorMask7 = ColorMask0 + 7,
BlendColor,
BlendIndependentEnabled,
BlendStates,
BlendState0,
BlendState7 = BlendState0 + 7,
ClipDistances,
PolygonModes,
PolygonModeFront,
PolygonModeBack,
ColorMask,
FrontFace,
CullTest,
DepthMask,
DepthTest,
StencilTest,
AlphaTest,
PrimitiveRestart,
PolygonOffset,
MultisampleControl,
RasterizeEnable,
FramebufferSRGB,
LogicOp,
FragmentClampColor,
PointSize,
LineWidth,
ClipControl,
DepthClampEnabled,
Last
};
static_assert(Last <= std::numeric_limits<u8>::max());
} // namespace Dirty
class StateTracker {
public:
explicit StateTracker();
void BindIndexBuffer(GLuint new_index_buffer) {
if (index_buffer == new_index_buffer) {
return;
}
index_buffer = new_index_buffer;
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, new_index_buffer);
}
void BindFramebuffer(GLuint new_framebuffer) {
if (framebuffer == new_framebuffer) {
return;
}
framebuffer = new_framebuffer;
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
}
void ClipControl(GLenum new_origin, GLenum new_depth) {
if (new_origin == origin && new_depth == depth) {
return;
}
origin = new_origin;
depth = new_depth;
glClipControl(origin, depth);
}
void SetYNegate(bool new_y_negate) {
if (new_y_negate == y_negate) {
return;
}
// Y_NEGATE is mapped to gl_FrontMaterial.ambient.a
y_negate = new_y_negate;
const std::array ambient{0.0f, 0.0f, 0.0f, y_negate ? -1.0f : 1.0f};
glMaterialfv(GL_FRONT, GL_AMBIENT, ambient.data());
}
void NotifyScreenDrawVertexArray() {
(*flags)[OpenGL::Dirty::VertexFormats] = true;
(*flags)[OpenGL::Dirty::VertexFormat0 + 0] = true;
(*flags)[OpenGL::Dirty::VertexFormat0 + 1] = true;
(*flags)[VideoCommon::Dirty::VertexBuffers] = true;
(*flags)[VideoCommon::Dirty::VertexBuffer0] = true;
(*flags)[OpenGL::Dirty::VertexInstances] = true;
(*flags)[OpenGL::Dirty::VertexInstance0 + 0] = true;
(*flags)[OpenGL::Dirty::VertexInstance0 + 1] = true;
}
void NotifyPolygonModes() {
(*flags)[OpenGL::Dirty::PolygonModes] = true;
(*flags)[OpenGL::Dirty::PolygonModeFront] = true;
(*flags)[OpenGL::Dirty::PolygonModeBack] = true;
}
void NotifyViewport0() {
(*flags)[OpenGL::Dirty::Viewports] = true;
(*flags)[OpenGL::Dirty::Viewport0] = true;
}
void NotifyScissor0() {
(*flags)[OpenGL::Dirty::Scissors] = true;
(*flags)[OpenGL::Dirty::Scissor0] = true;
}
void NotifyColorMask(size_t index) {
(*flags)[OpenGL::Dirty::ColorMasks] = true;
(*flags)[OpenGL::Dirty::ColorMask0 + index] = true;
}
void NotifyBlend0() {
(*flags)[OpenGL::Dirty::BlendStates] = true;
(*flags)[OpenGL::Dirty::BlendState0] = true;
}
void NotifyFramebuffer() {
(*flags)[VideoCommon::Dirty::RenderTargets] = true;
}
void NotifyFrontFace() {
(*flags)[OpenGL::Dirty::FrontFace] = true;
}
void NotifyCullTest() {
(*flags)[OpenGL::Dirty::CullTest] = true;
}
void NotifyDepthMask() {
(*flags)[OpenGL::Dirty::DepthMask] = true;
}
void NotifyDepthTest() {
(*flags)[OpenGL::Dirty::DepthTest] = true;
}
void NotifyStencilTest() {
(*flags)[OpenGL::Dirty::StencilTest] = true;
}
void NotifyPolygonOffset() {
(*flags)[OpenGL::Dirty::PolygonOffset] = true;
}
void NotifyRasterizeEnable() {
(*flags)[OpenGL::Dirty::RasterizeEnable] = true;
}
void NotifyFramebufferSRGB() {
(*flags)[OpenGL::Dirty::FramebufferSRGB] = true;
}
void NotifyLogicOp() {
(*flags)[OpenGL::Dirty::LogicOp] = true;
}
void NotifyClipControl() {
(*flags)[OpenGL::Dirty::ClipControl] = true;
}
void NotifyAlphaTest() {
(*flags)[OpenGL::Dirty::AlphaTest] = true;
}
void NotifyRange(u8 start, u8 end) {
for (auto flag = start; flag <= end; flag++) {
(*flags)[flag] = true;
}
}
void SetupTables(Tegra::Control::ChannelState& channel_state);
void ChangeChannel(Tegra::Control::ChannelState& channel_state);
void InvalidateState();
private:
Tegra::Engines::Maxwell3D::DirtyState::Flags* flags;
Tegra::Engines::Maxwell3D::DirtyState::Flags default_flags{};
GLuint framebuffer = 0;
GLuint index_buffer = 0;
GLenum origin = GL_LOWER_LEFT;
GLenum depth = GL_NEGATIVE_ONE_TO_ONE;
bool y_negate = false;
};
} // namespace OpenGL
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