mirror of
https://github.com/hrydgard/ppsspp.git
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315 lines
10 KiB
C++
315 lines
10 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "profiler/profiler.h"
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#include "GPU/Math3D.h"
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#include "GPU/GPUState.h"
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#include "GPU/ge_constants.h"
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#include "Core/System.h"
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#include "Core/Config.h"
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#include "Core/Reporting.h"
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#include "gfx/d3d9_shader.h"
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#include "gfx/d3d9_state.h"
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#include "GPU/Directx9/GPU_DX9.h"
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#include "GPU/Directx9/ShaderManagerDX9.h"
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#include "GPU/Directx9/TextureCacheDX9.h"
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#include "GPU/Directx9/FramebufferManagerDX9.h"
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#include "GPU/Directx9/PixelShaderGeneratorDX9.h"
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namespace DX9 {
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static const D3DBLEND dxBlendFactorLookup[(size_t)BlendFactor::COUNT] = {
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D3DBLEND_ZERO,
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D3DBLEND_ONE,
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D3DBLEND_SRCCOLOR,
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D3DBLEND_INVSRCCOLOR,
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D3DBLEND_DESTCOLOR,
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D3DBLEND_INVDESTCOLOR,
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D3DBLEND_SRCALPHA,
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D3DBLEND_INVSRCALPHA,
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D3DBLEND_DESTALPHA,
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D3DBLEND_INVDESTALPHA,
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D3DBLEND_BLENDFACTOR,
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D3DBLEND_INVBLENDFACTOR,
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D3DBLEND_BLENDFACTOR,
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D3DBLEND_INVBLENDFACTOR,
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#if 0 // TODO: Requires D3D9Ex
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D3DBLEND_SRCCOLOR2,
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D3DBLEND_INVSRCCOLOR2,
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D3DBLEND_SRCCOLOR2,
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D3DBLEND_INVSRCCOLOR2,
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#else
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D3DBLEND_FORCE_DWORD,
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D3DBLEND_FORCE_DWORD,
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#endif
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D3DBLEND_FORCE_DWORD,
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};
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static const D3DBLENDOP dxBlendEqLookup[(size_t)BlendEq::COUNT] = {
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D3DBLENDOP_ADD,
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D3DBLENDOP_SUBTRACT,
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D3DBLENDOP_REVSUBTRACT,
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D3DBLENDOP_MIN,
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D3DBLENDOP_MAX,
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};
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static const D3DCULL cullingMode[] = {
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D3DCULL_CW,
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D3DCULL_CCW,
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};
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static const D3DCMPFUNC ztests[] = {
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D3DCMP_NEVER, D3DCMP_ALWAYS, D3DCMP_EQUAL, D3DCMP_NOTEQUAL,
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D3DCMP_LESS, D3DCMP_LESSEQUAL, D3DCMP_GREATER, D3DCMP_GREATEREQUAL,
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};
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static const D3DSTENCILOP stencilOps[] = {
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D3DSTENCILOP_KEEP,
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D3DSTENCILOP_ZERO,
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D3DSTENCILOP_REPLACE,
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D3DSTENCILOP_INVERT,
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D3DSTENCILOP_INCRSAT,
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D3DSTENCILOP_DECRSAT,
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D3DSTENCILOP_KEEP, // reserved
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D3DSTENCILOP_KEEP, // reserved
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};
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inline void DrawEngineDX9::ResetShaderBlending() {
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if (fboTexBound_) {
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device_->SetTexture(1, nullptr);
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fboTexBound_ = false;
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}
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}
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void DrawEngineDX9::ApplyDrawState(int prim) {
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// TODO: All this setup is soon so expensive that we'll need dirty flags, or simply do it in the command writes where we detect dirty by xoring. Silly to do all this work on every drawcall.
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if (gstate_c.IsDirty(DIRTY_TEXTURE_IMAGE | DIRTY_TEXTURE_PARAMS) && !gstate.isModeClear() && gstate.isTextureMapEnabled()) {
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textureCache_->SetTexture();
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gstate_c.Clean(DIRTY_TEXTURE_IMAGE | DIRTY_TEXTURE_PARAMS);
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} else if (gstate.getTextureAddress(0) == ((gstate.getFrameBufRawAddress() | 0x04000000) & 0x3FFFFFFF)) {
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// This catches the case of clearing a texture.
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gstate_c.Dirty(DIRTY_TEXTURE_IMAGE);
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}
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// Start profiling here to skip SetTexture which is already accounted for
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PROFILE_THIS_SCOPE("applydrawstate");
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bool useBufferedRendering = framebufferManager_->UseBufferedRendering();
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if (gstate_c.IsDirty(DIRTY_BLEND_STATE)) {
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gstate_c.Clean(DIRTY_BLEND_STATE);
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// Unfortunately, this isn't implemented yet.
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gstate_c.SetAllowShaderBlend(false);
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if (gstate.isModeClear()) {
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dxstate.blend.disable();
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// Color Mask
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bool colorMask = gstate.isClearModeColorMask();
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bool alphaMask = gstate.isClearModeAlphaMask();
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dxstate.colorMask.set(colorMask, colorMask, colorMask, alphaMask);
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} else {
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// Set blend - unless we need to do it in the shader.
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GenericBlendState blendState;
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ConvertBlendState(blendState, gstate_c.allowShaderBlend);
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if (blendState.applyShaderBlending) {
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if (ApplyShaderBlending()) {
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// We may still want to do something about stencil -> alpha.
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ApplyStencilReplaceAndLogicOp(blendState.replaceAlphaWithStencil, blendState);
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} else {
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// Until next time, force it off.
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ResetShaderBlending();
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gstate_c.SetAllowShaderBlend(false);
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}
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} else if (blendState.resetShaderBlending) {
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ResetShaderBlending();
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}
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if (blendState.enabled) {
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dxstate.blend.enable();
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dxstate.blendSeparate.enable();
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dxstate.blendEquation.set(dxBlendEqLookup[(size_t)blendState.eqColor], dxBlendEqLookup[(size_t)blendState.eqAlpha]);
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dxstate.blendFunc.set(
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dxBlendFactorLookup[(size_t)blendState.srcColor], dxBlendFactorLookup[(size_t)blendState.dstColor],
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dxBlendFactorLookup[(size_t)blendState.srcAlpha], dxBlendFactorLookup[(size_t)blendState.dstAlpha]);
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if (blendState.dirtyShaderBlend) {
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gstate_c.Dirty(DIRTY_SHADERBLEND);
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}
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if (blendState.useBlendColor) {
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dxstate.blendColor.setDWORD(blendState.blendColor);
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}
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} else {
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dxstate.blend.disable();
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}
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// PSP color/alpha mask is per bit but we can only support per byte.
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// But let's do that, at least. And let's try a threshold.
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bool rmask = (gstate.pmskc & 0xFF) < 128;
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bool gmask = ((gstate.pmskc >> 8) & 0xFF) < 128;
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bool bmask = ((gstate.pmskc >> 16) & 0xFF) < 128;
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bool amask = (gstate.pmska & 0xFF) < 128;
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#ifndef MOBILE_DEVICE
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u8 abits = (gstate.pmska >> 0) & 0xFF;
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u8 rbits = (gstate.pmskc >> 0) & 0xFF;
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u8 gbits = (gstate.pmskc >> 8) & 0xFF;
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u8 bbits = (gstate.pmskc >> 16) & 0xFF;
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if ((rbits != 0 && rbits != 0xFF) || (gbits != 0 && gbits != 0xFF) || (bbits != 0 && bbits != 0xFF)) {
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WARN_LOG_REPORT_ONCE(rgbmask, G3D, "Unsupported RGB mask: r=%02x g=%02x b=%02x", rbits, gbits, bbits);
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}
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if (abits != 0 && abits != 0xFF) {
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// The stencil part of the mask is supported.
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WARN_LOG_REPORT_ONCE(amask, G3D, "Unsupported alpha/stencil mask: %02x", abits);
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}
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#endif
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// Let's not write to alpha if stencil isn't enabled.
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if (IsStencilTestOutputDisabled()) {
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amask = false;
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} else {
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// If the stencil type is set to KEEP, we shouldn't write to the stencil/alpha channel.
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if (ReplaceAlphaWithStencilType() == STENCIL_VALUE_KEEP) {
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amask = false;
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}
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}
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dxstate.colorMask.set(rmask, gmask, bmask, amask);
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}
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}
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if (gstate_c.IsDirty(DIRTY_RASTER_STATE)) {
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gstate_c.Clean(DIRTY_RASTER_STATE);
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// Set Dither
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if (gstate.isDitherEnabled()) {
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dxstate.dither.enable();
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} else {
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dxstate.dither.disable();
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}
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bool wantCull = !gstate.isModeClear() && prim != GE_PRIM_RECTANGLES && gstate.isCullEnabled();
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dxstate.cullMode.set(wantCull, gstate.getCullMode());
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if (gstate.isModeClear()) {
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// Well, probably doesn't matter...
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dxstate.shadeMode.set(D3DSHADE_GOURAUD);
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} else {
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dxstate.shadeMode.set(gstate.getShadeMode() == GE_SHADE_GOURAUD ? D3DSHADE_GOURAUD : D3DSHADE_FLAT);
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}
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}
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if (gstate_c.IsDirty(DIRTY_DEPTHSTENCIL_STATE)) {
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gstate_c.Clean(DIRTY_DEPTHSTENCIL_STATE);
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// Set Stencil/Depth
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if (gstate.isModeClear()) {
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// Depth Test
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dxstate.depthTest.enable();
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dxstate.depthFunc.set(D3DCMP_ALWAYS);
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dxstate.depthWrite.set(gstate.isClearModeDepthMask());
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if (gstate.isClearModeDepthMask()) {
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framebufferManager_->SetDepthUpdated();
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}
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// Stencil Test
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bool alphaMask = gstate.isClearModeAlphaMask();
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if (alphaMask) {
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dxstate.stencilTest.enable();
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dxstate.stencilOp.set(D3DSTENCILOP_REPLACE, D3DSTENCILOP_REPLACE, D3DSTENCILOP_REPLACE);
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dxstate.stencilFunc.set(D3DCMP_ALWAYS, 255, 0xFF);
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dxstate.stencilMask.set((~gstate.getStencilWriteMask()) & 0xFF);
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} else {
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dxstate.stencilTest.disable();
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}
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} else {
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// Depth Test
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if (gstate.isDepthTestEnabled()) {
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dxstate.depthTest.enable();
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dxstate.depthFunc.set(ztests[gstate.getDepthTestFunction()]);
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dxstate.depthWrite.set(gstate.isDepthWriteEnabled());
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if (gstate.isDepthWriteEnabled()) {
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framebufferManager_->SetDepthUpdated();
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}
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} else {
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dxstate.depthTest.disable();
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}
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GenericStencilFuncState stencilState;
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ConvertStencilFuncState(stencilState);
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// Stencil Test
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if (stencilState.enabled) {
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dxstate.stencilTest.enable();
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dxstate.stencilFunc.set(ztests[stencilState.testFunc], stencilState.testRef, stencilState.testMask);
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dxstate.stencilOp.set(stencilOps[stencilState.sFail], stencilOps[stencilState.zFail], stencilOps[stencilState.zPass]);
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dxstate.stencilMask.set(stencilState.writeMask);
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} else {
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dxstate.stencilTest.disable();
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}
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}
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}
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if (gstate_c.IsDirty(DIRTY_VIEWPORTSCISSOR_STATE)) {
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gstate_c.Clean(DIRTY_VIEWPORTSCISSOR_STATE);
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ViewportAndScissor vpAndScissor;
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ConvertViewportAndScissor(useBufferedRendering,
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framebufferManager_->GetRenderWidth(), framebufferManager_->GetRenderHeight(),
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framebufferManager_->GetTargetBufferWidth(), framebufferManager_->GetTargetBufferHeight(),
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vpAndScissor);
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if (vpAndScissor.scissorEnable) {
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dxstate.scissorTest.enable();
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dxstate.scissorRect.set(vpAndScissor.scissorX, vpAndScissor.scissorY, vpAndScissor.scissorX + vpAndScissor.scissorW, vpAndScissor.scissorY + vpAndScissor.scissorH);
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} else {
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dxstate.scissorTest.disable();
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}
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float depthMin = vpAndScissor.depthRangeMin;
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float depthMax = vpAndScissor.depthRangeMax;
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dxstate.viewport.set(vpAndScissor.viewportX, vpAndScissor.viewportY, vpAndScissor.viewportW, vpAndScissor.viewportH, depthMin, depthMax);
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if (vpAndScissor.dirtyProj) {
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gstate_c.Dirty(DIRTY_PROJMATRIX);
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}
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if (vpAndScissor.dirtyDepth) {
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gstate_c.Dirty(DIRTY_DEPTHRANGE);
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}
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}
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}
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void DrawEngineDX9::ApplyDrawStateLate() {
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// At this point, we know if the vertices are full alpha or not.
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// TODO: Set the nearest/linear here (since we correctly know if alpha/color tests are needed)?
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if (!gstate.isModeClear()) {
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textureCache_->ApplyTexture();
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if (fboTexNeedBind_) {
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// Note that this is positions, not UVs, that we need the copy from.
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framebufferManager_->BindFramebufferAsColorTexture(1, framebufferManager_->GetCurrentRenderVFB(), BINDFBCOLOR_MAY_COPY);
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// If we are rendering at a higher resolution, linear is probably best for the dest color.
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device_->SetSamplerState(1, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
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device_->SetSamplerState(1, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
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fboTexBound_ = true;
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fboTexNeedBind_ = false;
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}
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// TODO: Test texture?
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}
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}
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}
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