mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-12-24 06:05:14 +00:00
257 lines
9.2 KiB
C++
257 lines
9.2 KiB
C++
#include <algorithm>
|
|
|
|
#include "ShaderUniforms.h"
|
|
#include "base/display.h"
|
|
#include "math/dataconv.h"
|
|
#include "math/lin/matrix4x4.h"
|
|
#include "math/math_util.h"
|
|
#include "math/lin/vec3.h"
|
|
#include "GPU/GPUState.h"
|
|
#include "GPU/Common/GPUStateUtils.h"
|
|
#include "GPU/Math3D.h"
|
|
#include "Core/Reporting.h"
|
|
#include "Core/Config.h"
|
|
|
|
static void ConvertProjMatrixToVulkan(Matrix4x4 &in) {
|
|
const Vec3 trans(0, 0, gstate_c.vpZOffset * 0.5f + 0.5f);
|
|
const Vec3 scale(gstate_c.vpWidthScale, gstate_c.vpHeightScale, gstate_c.vpDepthScale * 0.5f);
|
|
in.translateAndScale(trans, scale);
|
|
}
|
|
|
|
static void ConvertProjMatrixToD3D11(Matrix4x4 &in) {
|
|
const Vec3 trans(0, 0, gstate_c.vpZOffset * 0.5f + 0.5f);
|
|
const Vec3 scale(gstate_c.vpWidthScale, -gstate_c.vpHeightScale, gstate_c.vpDepthScale * 0.5f);
|
|
in.translateAndScale(trans, scale);
|
|
}
|
|
|
|
void BaseUpdateUniforms(UB_VS_FS_Base *ub, uint64_t dirtyUniforms, bool flipViewport) {
|
|
if (dirtyUniforms & DIRTY_TEXENV) {
|
|
Uint8x3ToFloat4(ub->texEnvColor, gstate.texenvcolor);
|
|
}
|
|
if (dirtyUniforms & DIRTY_ALPHACOLORREF) {
|
|
Uint8x3ToInt4_Alpha(ub->alphaColorRef, gstate.getColorTestRef(), gstate.getAlphaTestRef() & gstate.getAlphaTestMask());
|
|
}
|
|
if (dirtyUniforms & DIRTY_ALPHACOLORMASK) {
|
|
Uint8x3ToInt4_Alpha(ub->colorTestMask, gstate.getColorTestMask(), gstate.getAlphaTestMask());
|
|
}
|
|
if (dirtyUniforms & DIRTY_FOGCOLOR) {
|
|
Uint8x3ToFloat4(ub->fogColor, gstate.fogcolor);
|
|
}
|
|
if (dirtyUniforms & DIRTY_SHADERBLEND) {
|
|
Uint8x3ToFloat4(ub->blendFixA, gstate.getFixA());
|
|
Uint8x3ToFloat4(ub->blendFixB, gstate.getFixB());
|
|
}
|
|
if (dirtyUniforms & DIRTY_TEXCLAMP) {
|
|
const float invW = 1.0f / (float)gstate_c.curTextureWidth;
|
|
const float invH = 1.0f / (float)gstate_c.curTextureHeight;
|
|
const int w = gstate.getTextureWidth(0);
|
|
const int h = gstate.getTextureHeight(0);
|
|
const float widthFactor = (float)w * invW;
|
|
const float heightFactor = (float)h * invH;
|
|
|
|
// First wrap xy, then half texel xy (for clamp.)
|
|
ub->texClamp[0] = widthFactor;
|
|
ub->texClamp[1] = heightFactor;
|
|
ub->texClamp[2] = invW * 0.5f;
|
|
ub->texClamp[3] = invH * 0.5f;
|
|
ub->texClampOffset[0] = gstate_c.curTextureXOffset * invW;
|
|
ub->texClampOffset[1] = gstate_c.curTextureYOffset * invH;
|
|
}
|
|
|
|
if (dirtyUniforms & DIRTY_PROJMATRIX) {
|
|
Matrix4x4 flippedMatrix;
|
|
memcpy(&flippedMatrix, gstate.projMatrix, 16 * sizeof(float));
|
|
|
|
const bool invertedY = gstate_c.vpHeight < 0;
|
|
if (invertedY) {
|
|
flippedMatrix[1] = -flippedMatrix[1];
|
|
flippedMatrix[5] = -flippedMatrix[5];
|
|
flippedMatrix[9] = -flippedMatrix[9];
|
|
flippedMatrix[13] = -flippedMatrix[13];
|
|
}
|
|
const bool invertedX = gstate_c.vpWidth < 0;
|
|
if (invertedX) {
|
|
flippedMatrix[0] = -flippedMatrix[0];
|
|
flippedMatrix[4] = -flippedMatrix[4];
|
|
flippedMatrix[8] = -flippedMatrix[8];
|
|
flippedMatrix[12] = -flippedMatrix[12];
|
|
}
|
|
if (flipViewport) {
|
|
ConvertProjMatrixToD3D11(flippedMatrix);
|
|
} else {
|
|
ConvertProjMatrixToVulkan(flippedMatrix);
|
|
}
|
|
|
|
if (g_Config.iRenderingMode == 0 && g_display_rotation != DisplayRotation::ROTATE_0) {
|
|
flippedMatrix = flippedMatrix * g_display_rot_matrix;
|
|
}
|
|
|
|
CopyMatrix4x4(ub->proj, flippedMatrix.getReadPtr());
|
|
}
|
|
|
|
if (dirtyUniforms & DIRTY_PROJTHROUGHMATRIX) {
|
|
Matrix4x4 proj_through;
|
|
if (flipViewport) {
|
|
proj_through.setOrthoD3D(0.0f, gstate_c.curRTWidth, gstate_c.curRTHeight, 0, 0, 1);
|
|
} else {
|
|
proj_through.setOrthoVulkan(0.0f, gstate_c.curRTWidth, 0, gstate_c.curRTHeight, 0, 1);
|
|
}
|
|
if (g_Config.iRenderingMode == 0 && g_display_rotation != DisplayRotation::ROTATE_0) {
|
|
proj_through = proj_through * g_display_rot_matrix;
|
|
}
|
|
CopyMatrix4x4(ub->proj_through, proj_through.getReadPtr());
|
|
}
|
|
|
|
// Transform
|
|
if (dirtyUniforms & DIRTY_WORLDMATRIX) {
|
|
ConvertMatrix4x3To3x4Transposed(ub->world, gstate.worldMatrix);
|
|
}
|
|
if (dirtyUniforms & DIRTY_VIEWMATRIX) {
|
|
ConvertMatrix4x3To3x4Transposed(ub->view, gstate.viewMatrix);
|
|
}
|
|
if (dirtyUniforms & DIRTY_TEXMATRIX) {
|
|
ConvertMatrix4x3To3x4Transposed(ub->tex, gstate.tgenMatrix);
|
|
}
|
|
|
|
if (dirtyUniforms & DIRTY_FOGCOEF) {
|
|
float fogcoef[2] = {
|
|
getFloat24(gstate.fog1),
|
|
getFloat24(gstate.fog2),
|
|
};
|
|
if (my_isinf(fogcoef[1])) {
|
|
// not really sure what a sensible value might be.
|
|
fogcoef[1] = fogcoef[1] < 0.0f ? -10000.0f : 10000.0f;
|
|
} else if (my_isnan(fogcoef[1])) {
|
|
// Workaround for https://github.com/hrydgard/ppsspp/issues/5384#issuecomment-38365988
|
|
// Just put the fog far away at a large finite distance.
|
|
// Infinities and NaNs are rather unpredictable in shaders on many GPUs
|
|
// so it's best to just make it a sane calculation.
|
|
fogcoef[0] = 100000.0f;
|
|
fogcoef[1] = 1.0f;
|
|
}
|
|
#ifndef MOBILE_DEVICE
|
|
else if (my_isnanorinf(fogcoef[1]) || my_isnanorinf(fogcoef[0])) {
|
|
ERROR_LOG_REPORT_ONCE(fognan, G3D, "Unhandled fog NaN/INF combo: %f %f", fogcoef[0], fogcoef[1]);
|
|
}
|
|
#endif
|
|
CopyFloat2(ub->fogCoef, fogcoef);
|
|
}
|
|
|
|
if (dirtyUniforms & DIRTY_STENCILREPLACEVALUE) {
|
|
ub->stencil = (float)gstate.getStencilTestRef() / 255.0;
|
|
}
|
|
|
|
// Note - this one is not in lighting but in transformCommon as it has uses beyond lighting
|
|
if (dirtyUniforms & DIRTY_MATAMBIENTALPHA) {
|
|
Uint8x3ToFloat4_AlphaUint8(ub->matAmbient, gstate.materialambient, gstate.getMaterialAmbientA());
|
|
}
|
|
|
|
// Texturing
|
|
if (dirtyUniforms & DIRTY_UVSCALEOFFSET) {
|
|
const float invW = 1.0f / (float)gstate_c.curTextureWidth;
|
|
const float invH = 1.0f / (float)gstate_c.curTextureHeight;
|
|
const int w = gstate.getTextureWidth(0);
|
|
const int h = gstate.getTextureHeight(0);
|
|
const float widthFactor = (float)w * invW;
|
|
const float heightFactor = (float)h * invH;
|
|
if (gstate_c.bezier || gstate_c.spline) {
|
|
// When we are generating UV coordinates through the bezier/spline, we need to apply the scaling.
|
|
// However, this is missing a check that we're not getting our UV:s supplied for us in the vertices.
|
|
ub->uvScaleOffset[0] = gstate_c.uv.uScale * widthFactor;
|
|
ub->uvScaleOffset[1] = gstate_c.uv.vScale * heightFactor;
|
|
ub->uvScaleOffset[2] = gstate_c.uv.uOff * widthFactor;
|
|
ub->uvScaleOffset[3] = gstate_c.uv.vOff * heightFactor;
|
|
} else {
|
|
ub->uvScaleOffset[0] = widthFactor;
|
|
ub->uvScaleOffset[1] = heightFactor;
|
|
ub->uvScaleOffset[2] = 0.0f;
|
|
ub->uvScaleOffset[3] = 0.0f;
|
|
}
|
|
}
|
|
|
|
if (dirtyUniforms & DIRTY_DEPTHRANGE) {
|
|
// Same formulas as D3D9 now. Should work for both Vulkan and D3D11.
|
|
|
|
// Depth is [0, 1] mapping to [minz, maxz], not too hard.
|
|
float vpZScale = gstate.getViewportZScale();
|
|
float vpZCenter = gstate.getViewportZCenter();
|
|
|
|
// These are just the reverse of the formulas in GPUStateUtils.
|
|
float halfActualZRange = vpZScale / gstate_c.vpDepthScale;
|
|
float minz = -((gstate_c.vpZOffset * halfActualZRange) - vpZCenter) - halfActualZRange;
|
|
float viewZScale = halfActualZRange * 2.0f;
|
|
// Account for the half pixel offset.
|
|
float viewZCenter = minz + (DepthSliceFactor() / 256.0f) * 0.5f;
|
|
float viewZInvScale;
|
|
|
|
if (viewZScale != 0.0) {
|
|
viewZInvScale = 1.0f / viewZScale;
|
|
} else {
|
|
viewZInvScale = 0.0;
|
|
}
|
|
|
|
float data[4] = { viewZScale, viewZCenter, viewZCenter, viewZInvScale };
|
|
ub->depthRange[0] = viewZScale;
|
|
ub->depthRange[1] = viewZCenter;
|
|
ub->depthRange[2] = viewZCenter;
|
|
ub->depthRange[3] = viewZInvScale;
|
|
}
|
|
|
|
if (dirtyUniforms & DIRTY_BEZIERSPLINE) {
|
|
ub->spline_count_u = gstate_c.spline_count_u;
|
|
ub->spline_count_v = gstate_c.spline_count_v;
|
|
ub->spline_type_u = gstate_c.spline_type_u;
|
|
ub->spline_type_v = gstate_c.spline_type_v;
|
|
}
|
|
}
|
|
|
|
void LightUpdateUniforms(UB_VS_Lights *ub, uint64_t dirtyUniforms) {
|
|
// Lighting
|
|
if (dirtyUniforms & DIRTY_AMBIENT) {
|
|
Uint8x3ToFloat4_AlphaUint8(ub->ambientColor, gstate.ambientcolor, gstate.getAmbientA());
|
|
}
|
|
if (dirtyUniforms & DIRTY_MATDIFFUSE) {
|
|
Uint8x3ToFloat4(ub->materialDiffuse, gstate.materialdiffuse);
|
|
}
|
|
if (dirtyUniforms & DIRTY_MATSPECULAR) {
|
|
Uint8x3ToFloat4_Alpha(ub->materialSpecular, gstate.materialspecular, std::max(0.0f, getFloat24(gstate.materialspecularcoef)));
|
|
}
|
|
if (dirtyUniforms & DIRTY_MATEMISSIVE) {
|
|
Uint8x3ToFloat4(ub->materialEmissive, gstate.materialemissive);
|
|
}
|
|
for (int i = 0; i < 4; i++) {
|
|
if (dirtyUniforms & (DIRTY_LIGHT0 << i)) {
|
|
if (gstate.isDirectionalLight(i)) {
|
|
// Prenormalize
|
|
float x = getFloat24(gstate.lpos[i * 3 + 0]);
|
|
float y = getFloat24(gstate.lpos[i * 3 + 1]);
|
|
float z = getFloat24(gstate.lpos[i * 3 + 2]);
|
|
float len = sqrtf(x*x + y*y + z*z);
|
|
if (len == 0.0f)
|
|
len = 1.0f;
|
|
else
|
|
len = 1.0f / len;
|
|
float vec[3] = { x * len, y * len, z * len };
|
|
CopyFloat3To4(ub->lpos[i], vec);
|
|
} else {
|
|
ExpandFloat24x3ToFloat4(ub->lpos[i], &gstate.lpos[i * 3]);
|
|
}
|
|
ExpandFloat24x3ToFloat4(ub->ldir[i], &gstate.ldir[i * 3]);
|
|
ExpandFloat24x3ToFloat4(ub->latt[i], &gstate.latt[i * 3]);
|
|
float lightAngle_spotCoef[2] = { getFloat24(gstate.lcutoff[i]), getFloat24(gstate.lconv[i]) };
|
|
CopyFloat2To4(ub->lightAngle_SpotCoef[i], lightAngle_spotCoef);
|
|
Uint8x3ToFloat4(ub->lightAmbient[i], gstate.lcolor[i * 3]);
|
|
Uint8x3ToFloat4(ub->lightDiffuse[i], gstate.lcolor[i * 3 + 1]);
|
|
Uint8x3ToFloat4(ub->lightSpecular[i], gstate.lcolor[i * 3 + 2]);
|
|
}
|
|
}
|
|
}
|
|
|
|
void BoneUpdateUniforms(UB_VS_Bones *ub, uint64_t dirtyUniforms) {
|
|
for (int i = 0; i < 8; i++) {
|
|
if (dirtyUniforms & (DIRTY_BONEMATRIX0 << i)) {
|
|
ConvertMatrix4x3To3x4Transposed(ub->bones[i], gstate.boneMatrix + 12 * i);
|
|
}
|
|
}
|
|
}
|