ppsspp/GPU/Common/ShaderCommon.h
2022-08-22 12:30:51 +02:00

160 lines
4.3 KiB
C++

// Copyright (c) 2015- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#pragma once
#include <cstdint>
namespace Draw {
class DrawContext;
}
enum DebugShaderType {
SHADER_TYPE_VERTEX = 0,
SHADER_TYPE_FRAGMENT = 1,
SHADER_TYPE_GEOMETRY = 2,
SHADER_TYPE_VERTEXLOADER = 3, // Not really a shader, but might as well re-use this mechanism
SHADER_TYPE_PIPELINE = 4, // Vulkan and DX12 combines a bunch of state into pipeline objects. Might as well make them inspectable.
SHADER_TYPE_TEXTURE = 5,
SHADER_TYPE_SAMPLER = 6, // Not really a shader either. Need to rename this enum...
};
enum DebugShaderStringType {
SHADER_STRING_SHORT_DESC = 0,
SHADER_STRING_SOURCE_CODE = 1,
SHADER_STRING_STATS = 2,
};
// Shared between the backends. Not all are necessarily used by each backend, but this lets us share
// more code than before. TODO: Can probably cut the number of these down without too much slowdown.
enum : uint64_t {
DIRTY_PROJMATRIX = 1ULL << 0,
DIRTY_PROJTHROUGHMATRIX = 1ULL << 1,
DIRTY_FOGCOLOR = 1ULL << 2,
DIRTY_FOGCOEF = 1ULL << 3,
DIRTY_TEXENV = 1ULL << 4,
DIRTY_ALPHACOLORREF = 1ULL << 5,
DIRTY_STENCILREPLACEVALUE = 1ULL << 6,
DIRTY_ALPHACOLORMASK = 1ULL << 7,
DIRTY_LIGHT0 = 1ULL << 8,
DIRTY_LIGHT1 = 1ULL << 9,
DIRTY_LIGHT2 = 1ULL << 10,
DIRTY_LIGHT3 = 1ULL << 11,
DIRTY_MATDIFFUSE = 1ULL << 12,
DIRTY_MATSPECULAR = 1ULL << 13,
DIRTY_MATEMISSIVE = 1ULL << 14,
DIRTY_AMBIENT = 1ULL << 15,
DIRTY_MATAMBIENTALPHA = 1ULL << 16,
DIRTY_SHADERBLEND = 1ULL << 17, // Used only for in-shader blending.
DIRTY_UVSCALEOFFSET = 1ULL << 18,
DIRTY_DEPTHRANGE = 1ULL << 19,
DIRTY_WORLDMATRIX = 1ULL << 21,
DIRTY_VIEWMATRIX = 1ULL << 22,
DIRTY_TEXMATRIX = 1ULL << 23,
DIRTY_BONEMATRIX0 = 1ULL << 24, // NOTE: These must be under 32
DIRTY_BONEMATRIX1 = 1ULL << 25,
DIRTY_BONEMATRIX2 = 1ULL << 26,
DIRTY_BONEMATRIX3 = 1ULL << 27,
DIRTY_BONEMATRIX4 = 1ULL << 28,
DIRTY_BONEMATRIX5 = 1ULL << 29,
DIRTY_BONEMATRIX6 = 1ULL << 30,
DIRTY_BONEMATRIX7 = 1ULL << 31,
DIRTY_BEZIERSPLINE = 1ULL << 32,
DIRTY_TEXCLAMP = 1ULL << 33,
DIRTY_CULLRANGE = 1ULL << 34,
DIRTY_DEPAL = 1ULL << 35,
DIRTY_COLORWRITEMASK = 1ULL << 36,
DIRTY_MIPBIAS = 1ULL << 37,
// space for 4 more uniform dirty flags. Remember to update DIRTY_ALL_UNIFORMS.
DIRTY_BONE_UNIFORMS = 0xFF000000ULL,
DIRTY_ALL_UNIFORMS = 0x3FFFFFFFFFULL,
DIRTY_ALL_LIGHTS = DIRTY_LIGHT0 | DIRTY_LIGHT1 | DIRTY_LIGHT2 | DIRTY_LIGHT3,
// Other dirty elements that aren't uniforms!
DIRTY_FRAMEBUF = 1ULL << 40,
DIRTY_TEXTURE_IMAGE = 1ULL << 41, // Means that the definition of the texture image has changed (address, stride etc), and we need to look up again.
DIRTY_TEXTURE_PARAMS = 1ULL << 42,
// Render State
DIRTY_BLEND_STATE = 1ULL << 43,
DIRTY_DEPTHSTENCIL_STATE = 1ULL << 44,
DIRTY_RASTER_STATE = 1ULL << 45,
DIRTY_VIEWPORTSCISSOR_STATE = 1ULL << 46,
DIRTY_VERTEXSHADER_STATE = 1ULL << 47,
DIRTY_FRAGMENTSHADER_STATE = 1ULL << 48,
DIRTY_ALL = 0xFFFFFFFFFFFFFFFF
};
class ShaderManagerCommon {
public:
ShaderManagerCommon(Draw::DrawContext *draw) : draw_(draw) {}
virtual ~ShaderManagerCommon() {}
virtual void DirtyLastShader() = 0;
protected:
Draw::DrawContext *draw_ = nullptr;
};
enum DoLightComputation {
LIGHT_OFF,
LIGHT_SHADE,
LIGHT_FULL,
};
// PSP vertex format.
enum class PspAttributeLocation {
POSITION = 0,
TEXCOORD = 1,
NORMAL = 2,
W1 = 3,
W2 = 4,
COLOR0 = 5,
COLOR1 = 6,
COUNT
};
// Pre-fetched attrs and uniforms (used by GL only).
enum {
ATTR_POSITION = 0,
ATTR_TEXCOORD = 1,
ATTR_NORMAL = 2,
ATTR_W1 = 3,
ATTR_W2 = 4,
ATTR_COLOR0 = 5,
ATTR_COLOR1 = 6,
ATTR_COUNT,
};
struct TBuiltInResource;
void init_resources(TBuiltInResource &Resources);