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refactor(ww3d2): Route shader and material state via IRenderBackend #3421

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36a4d21
refactor(ww3d2): Route Clear, Set_Viewport, Set_Gamma via the backend
bobtista Oct 4, 2026
9ef857e
refactor(ww3d2): Route device and display queries via IRenderBackend
bobtista Oct 4, 2026
17b15da
refactor(ww3d2): Route transforms via IRenderBackend
bobtista Oct 4, 2026
94b4238
refactor(ww3d2): Route lights and fog via IRenderBackend
bobtista Oct 4, 2026
49697d3
refactor(ww3d2): Route shader and material state via IRenderBackend
bobtista Oct 4, 2026
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21 changes: 11 additions & 10 deletions Core/GameEngineDevice/Source/W3DDevice/GameClient/BaseHeightMap.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,7 @@
#include "W3DDevice/GameClient/W3DWater.h"
#include "W3DDevice/GameClient/W3DShroud.h"
#include "WW3D2/dx8wrapper.h"
#include "WW3D2/IRenderBackend.h"
#include "WW3D2/light.h"
#include "WW3D2/scene.h"
#include "W3DDevice/GameClient/W3DPoly.h"
Expand Down Expand Up @@ -2296,7 +2297,7 @@ void BaseHeightMapRenderObjClass::renderShoreLines(CameraClass *pCamera)
return;

//Check if video card is capable of using this effect
if (DX8Wrapper::getBackBufferFormat() != WW3D_FORMAT_A8R8G8B8)
if (WW3D::Get_Render_Backend()->Get_Back_Buffer_Format() != WW3D_FORMAT_A8R8G8B8)
return; //can't apply effect on cards without destination alpha

Int vertexCount = 0;
Expand All @@ -2313,12 +2314,12 @@ void BaseHeightMapRenderObjClass::renderShoreLines(CameraClass *pCamera)

ShaderClass unlitShader=ShaderClass::_PresetOpaque2DShader;
unlitShader.Set_Depth_Compare(ShaderClass::PASS_LEQUAL);
DX8Wrapper::Set_Shader(unlitShader);
WW3D::Get_Render_Backend()->Set_Shader(unlitShader);
VertexMaterialClass *vmat=VertexMaterialClass::Get_Preset(VertexMaterialClass::PRELIT_DIFFUSE);
DX8Wrapper::Set_Material(vmat);
WW3D::Get_Render_Backend()->Set_Material(vmat);
REF_PTR_RELEASE(vmat);
DX8Wrapper::Set_Texture(0,m_destAlphaTexture);
DX8Wrapper::Set_Transform(D3DTS_WORLD,Matrix3D(true));
WW3D::Get_Render_Backend()->Set_Transform(RB_TRANSFORM_WORLD,Matrix3D(true));
//Enabled writes to destination alpha only
DX8Wrapper::Set_DX8_Render_State(D3DRS_COLORWRITEENABLE,D3DCOLORWRITEENABLE_ALPHA);
DX8Wrapper::Set_DX8_Texture_Stage_State(0, D3DTSS_TEXCOORDINDEX, 0);
Expand Down Expand Up @@ -2461,7 +2462,7 @@ void BaseHeightMapRenderObjClass::renderShoreLinesSorted(CameraClass *pCamera)
return;

//Check if video card is capable of using this effect
if (DX8Wrapper::getBackBufferFormat() != WW3D_FORMAT_A8R8G8B8)
if (WW3D::Get_Render_Backend()->Get_Back_Buffer_Format() != WW3D_FORMAT_A8R8G8B8)
return; //can't apply effect on cards without destination alpha

Int vertexCount = 0;
Expand Down Expand Up @@ -2499,12 +2500,12 @@ void BaseHeightMapRenderObjClass::renderShoreLinesSorted(CameraClass *pCamera)

ShaderClass unlitShader=ShaderClass::_PresetOpaque2DShader;
unlitShader.Set_Depth_Compare(ShaderClass::PASS_LEQUAL);
DX8Wrapper::Set_Shader(unlitShader);
WW3D::Get_Render_Backend()->Set_Shader(unlitShader);
VertexMaterialClass *vmat=VertexMaterialClass::Get_Preset(VertexMaterialClass::PRELIT_DIFFUSE);
DX8Wrapper::Set_Material(vmat);
WW3D::Get_Render_Backend()->Set_Material(vmat);
REF_PTR_RELEASE(vmat);
DX8Wrapper::Set_Texture(0,m_destAlphaTexture);
DX8Wrapper::Set_Transform(D3DTS_WORLD,Matrix3D(true));
WW3D::Get_Render_Backend()->Set_Transform(RB_TRANSFORM_WORLD,Matrix3D(true));
//Enabled writes to destination alpha only
DX8Wrapper::Set_DX8_Render_State(D3DRS_COLORWRITEENABLE,D3DCOLORWRITEENABLE_ALPHA);
DX8Wrapper::Set_DX8_Texture_Stage_State(0, D3DTSS_TEXCOORDINDEX, 0);
Expand Down Expand Up @@ -2808,8 +2809,8 @@ void BaseHeightMapRenderObjClass::renderTrees(CameraClass * camera)
if (m_map==nullptr) return;
if (Scene==nullptr) return;
if (m_treeBuffer) {
DX8Wrapper::Set_Transform(D3DTS_WORLD,Transform);
DX8Wrapper::Set_Material(m_vertexMaterialClass);
WW3D::Get_Render_Backend()->Set_Transform(RB_TRANSFORM_WORLD,Transform);
WW3D::Get_Render_Backend()->Set_Material(m_vertexMaterialClass);
RTS3DScene *pMyScene = (RTS3DScene *)Scene;
RefRenderObjListIterator pDynamicLightsIterator(pMyScene->getDynamicLights());
m_treeBuffer->drawTrees(camera, &pDynamicLightsIterator);
Expand Down
21 changes: 11 additions & 10 deletions Core/GameEngineDevice/Source/W3DDevice/GameClient/FlatHeightMap.cpp
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,7 @@
#include "W3DDevice/GameClient/W3DWater.h"
#include "W3DDevice/GameClient/W3DShroud.h"
#include "WW3D2/dx8wrapper.h"
#include "WW3D2/IRenderBackend.h"
#include "WW3D2/light.h"
#include "WW3D2/scene.h"
#include "W3DDevice/GameClient/W3DPoly.h"
Expand Down Expand Up @@ -485,19 +486,19 @@ void FlatHeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
}
#endif

DX8Wrapper::Set_Light_Environment(rinfo.light_environment);
WW3D::Get_Render_Backend()->Set_Light_Environment(rinfo.light_environment);

// Force shaders to update.
m_stageTwoTexture->restore();
DX8Wrapper::Set_Texture(0,nullptr);
DX8Wrapper::Set_Texture(1,nullptr);
ShaderClass::Invalidate();

DX8Wrapper::Set_Transform(D3DTS_WORLD,Transform);
WW3D::Get_Render_Backend()->Set_Transform(RB_TRANSFORM_WORLD,Transform);


DX8Wrapper::Set_Material(m_vertexMaterialClass);
DX8Wrapper::Set_Shader(m_shaderClass);
WW3D::Get_Render_Backend()->Set_Material(m_vertexMaterialClass);
WW3D::Get_Render_Backend()->Set_Shader(m_shaderClass);

st=W3DShaderManager::ST_FLAT_TERRAIN_BASE; //set default shader

Expand Down Expand Up @@ -537,7 +538,7 @@ void FlatHeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
W3DShaderManager::setTexture(2,m_stageTwoTexture); //cloud
W3DShaderManager::setTexture(3,m_stageThreeTexture);//noise
//Disable writes to destination alpha channel (if there is one)
if (DX8Wrapper::getBackBufferFormat() == WW3D_FORMAT_A8R8G8B8) {
if (WW3D::Get_Render_Backend()->Get_Back_Buffer_Format() == WW3D_FORMAT_A8R8G8B8) {
DX8Wrapper::Set_DX8_Render_State(D3DRS_COLORWRITEENABLE,D3DCOLORWRITEENABLE_BLUE|D3DCOLORWRITEENABLE_GREEN|D3DCOLORWRITEENABLE_RED);
}

Expand All @@ -549,7 +550,7 @@ void FlatHeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
for (pass=0; pass<devicePasses; pass++) {
Bool disableTex = m_disableTextures;
if (m_disableTextures ) {
DX8Wrapper::Set_Shader(ShaderClass::_PresetOpaque2DShader);
WW3D::Get_Render_Backend()->Set_Shader(ShaderClass::_PresetOpaque2DShader);
DX8Wrapper::Set_Texture(0,nullptr);
} else {
W3DShaderManager::setShader(st, pass);
Expand Down Expand Up @@ -595,7 +596,7 @@ void FlatHeightMapRenderObjClass::Render(RenderInfoClass & rinfo)

ShaderClass::Invalidate();
if (!ShaderClass::Is_Backface_Culling_Inverted()) {
DX8Wrapper::Set_Material(m_vertexMaterialClass);
WW3D::Get_Render_Backend()->Set_Material(m_vertexMaterialClass);
if (Scene) {
RTS3DScene *pMyScene = (RTS3DScene *)Scene;
RefRenderObjListIterator pDynamicLightsIterator(pMyScene->getDynamicLights());
Expand All @@ -615,15 +616,15 @@ void FlatHeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
DX8Wrapper::Set_Texture(1,nullptr);
m_stageTwoTexture->restore();
ShaderClass::Invalidate();
DX8Wrapper::Apply_Render_State_Changes();
WW3D::Get_Render_Backend()->Apply_Render_State_Changes();

m_bridgeBuffer->drawBridges(&rinfo.Camera, m_disableTextures, m_stageTwoTexture);

if (TheTerrainTracksRenderObjClassSystem)
TheTerrainTracksRenderObjClassSystem->flush();

ShaderClass::Invalidate();
DX8Wrapper::Apply_Render_State_Changes();
WW3D::Get_Render_Backend()->Apply_Render_State_Changes();

m_waypointBuffer->drawWaypoints(rinfo);

Expand All @@ -634,7 +635,7 @@ void FlatHeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
DX8Wrapper::Set_Texture(1,nullptr);
m_stageTwoTexture->restore();
ShaderClass::Invalidate();
DX8Wrapper::Set_Material(nullptr);
WW3D::Get_Render_Backend()->Set_Material(nullptr);

}

43 changes: 22 additions & 21 deletions Core/GameEngineDevice/Source/W3DDevice/GameClient/HeightMap.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,7 @@
#include "W3DDevice/GameClient/W3DWater.h"
#include "W3DDevice/GameClient/W3DShroud.h"
#include "WW3D2/dx8wrapper.h"
#include "WW3D2/IRenderBackend.h"
#include "WW3D2/light.h"
#include "WW3D2/scene.h"
#include "W3DDevice/GameClient/W3DPoly.h"
Expand Down Expand Up @@ -1923,15 +1924,15 @@ void HeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
}
#endif

DX8Wrapper::Set_Light_Environment(rinfo.light_environment);
WW3D::Get_Render_Backend()->Set_Light_Environment(rinfo.light_environment);

// Force shaders to update.
m_stageTwoTexture->restore();
DX8Wrapper::Set_Texture(0,nullptr);
DX8Wrapper::Set_Texture(1,nullptr);
ShaderClass::Invalidate();

DX8Wrapper::Set_Transform(D3DTS_WORLD,Transform);
WW3D::Get_Render_Backend()->Set_Transform(RB_TRANSFORM_WORLD,Transform);

//Apply the shader and material

Expand Down Expand Up @@ -1961,11 +1962,11 @@ void HeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
{
//wireframe pass
//Set to vertex diffuse lighting
DX8Wrapper::Set_Material(m_vertexMaterialClass);
WW3D::Get_Render_Backend()->Set_Material(m_vertexMaterialClass);
//Set shader to non-textured solid color from vertex
DX8Wrapper::Set_Shader(ShaderClass::_PresetOpaqueSolidShader);
WW3D::Get_Render_Backend()->Set_Shader(ShaderClass::_PresetOpaqueSolidShader);
devicePasses=1; //one pass solid, next in wireframe.
DX8Wrapper::Apply_Render_State_Changes();
WW3D::Get_Render_Backend()->Apply_Render_State_Changes();
DX8Wrapper::Set_DX8_Texture_Stage_State( 0, D3DTSS_COLORARG2, D3DTA_TFACTOR );
DX8Wrapper::Set_DX8_Render_State(D3DRS_TEXTUREFACTOR,0xff808080);
doMultiPassWireFrame=TRUE;
Expand All @@ -1976,8 +1977,8 @@ void HeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
}
else
{
DX8Wrapper::Set_Material(m_vertexMaterialClass);
DX8Wrapper::Set_Shader(m_shaderClass);
WW3D::Get_Render_Backend()->Set_Material(m_vertexMaterialClass);
WW3D::Get_Render_Backend()->Set_Shader(m_shaderClass);

st=W3DShaderManager::ST_TERRAIN_BASE; //set default shader

Expand Down Expand Up @@ -2019,7 +2020,7 @@ void HeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
W3DShaderManager::setTexture(2,m_stageTwoTexture); //cloud
W3DShaderManager::setTexture(3,m_stageThreeTexture);//noise
//Disable writes to destination alpha channel (if there is one)
if (DX8Wrapper::getBackBufferFormat() == WW3D_FORMAT_A8R8G8B8)
if (WW3D::Get_Render_Backend()->Get_Back_Buffer_Format() == WW3D_FORMAT_A8R8G8B8)
DX8Wrapper::Set_DX8_Render_State(D3DRS_COLORWRITEENABLE,D3DCOLORWRITEENABLE_BLUE|D3DCOLORWRITEENABLE_GREEN|D3DCOLORWRITEENABLE_RED);
}

Expand All @@ -2030,7 +2031,7 @@ void HeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
if (!doMultiPassWireFrame) //multi-pass wireframe doesn't use regular shaders.
{
if (m_disableTextures ) {
DX8Wrapper::Set_Shader(ShaderClass::_PresetOpaque2DShader);
WW3D::Get_Render_Backend()->Set_Shader(ShaderClass::_PresetOpaque2DShader);
DX8Wrapper::Set_Texture(0,nullptr);
} else {
W3DShaderManager::setShader(st, pass);
Expand All @@ -2044,13 +2045,13 @@ void HeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
#ifdef PRE_TRANSFORM_VERTEX
if (m_xformedVertexBuffer && pass==0) {
// Note - m_xformedVertexBuffer should only be used for non T&L hardware. jba.
DX8Wrapper::Apply_Render_State_Changes();
WW3D::Get_Render_Backend()->Apply_Render_State_Changes();
int code = DX8Wrapper::_Get_D3D_Device8()->ProcessVertices(0, 0, numVertex, m_xformedVertexBuffer[j*m_numVBTilesX+i], 0);
::OutputDebugString("did process vertex\n");
}
if (m_xformedVertexBuffer) {
// Note - m_xformedVertexBuffer should only be used for non T&L hardware. jba.
DX8Wrapper::Apply_Render_State_Changes();
WW3D::Get_Render_Backend()->Apply_Render_State_Changes();
DX8Wrapper::_Get_D3D_Device8()->SetStreamSource(
0,
m_xformedVertexBuffer[j*m_numVBTilesX+i],
Expand Down Expand Up @@ -2088,7 +2089,7 @@ void HeightMapRenderObjClass::Render(RenderInfoClass & rinfo)

ShaderClass::Invalidate();
if (!ShaderClass::Is_Backface_Culling_Inverted()) {
DX8Wrapper::Set_Material(m_vertexMaterialClass);
WW3D::Get_Render_Backend()->Set_Material(m_vertexMaterialClass);
if (Scene) {
RTS3DScene *pMyScene = (RTS3DScene *)Scene;
RefRenderObjListIterator pDynamicLightsIterator(pMyScene->getDynamicLights());
Expand All @@ -2110,7 +2111,7 @@ void HeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
DX8Wrapper::Set_Texture(1,nullptr);
m_stageTwoTexture->restore();
ShaderClass::Invalidate();
DX8Wrapper::Apply_Render_State_Changes();
WW3D::Get_Render_Backend()->Apply_Render_State_Changes();

m_bridgeBuffer->drawBridges(&rinfo.Camera, m_disableTextures, doCloud?m_stageTwoTexture:nullptr);

Expand All @@ -2125,7 +2126,7 @@ void HeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
}

ShaderClass::Invalidate();
DX8Wrapper::Apply_Render_State_Changes();
WW3D::Get_Render_Backend()->Apply_Render_State_Changes();
}
else
m_bridgeBuffer->drawBridges(&rinfo.Camera, m_disableTextures, m_stageTwoTexture);
Expand All @@ -2140,7 +2141,7 @@ void HeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
DX8Wrapper::Set_Texture(1,nullptr);
m_stageTwoTexture->restore();
ShaderClass::Invalidate();
DX8Wrapper::Set_Material(nullptr);
WW3D::Get_Render_Backend()->Set_Material(nullptr);

}

Expand All @@ -2149,7 +2150,7 @@ void HeightMapRenderObjClass::Render(RenderInfoClass & rinfo)
///Performs additional terrain rendering pass, blending in the black shroud texture.
void HeightMapRenderObjClass::renderTerrainPass(CameraClass *pCamera)
{
DX8Wrapper::Set_Transform(D3DTS_WORLD,Matrix3D(true));
WW3D::Get_Render_Backend()->Set_Transform(RB_TRANSFORM_WORLD,Matrix3D(true));

//Apply the shader and material

Expand All @@ -2162,13 +2163,13 @@ void HeightMapRenderObjClass::renderTerrainPass(CameraClass *pCamera)
#ifdef PRE_TRANSFORM_VERTEX
if (m_xformedVertexBuffer && pass==0) {
// Note - m_xformedVertexBuffer should only be used for non T&L hardware. jba.
DX8Wrapper::Apply_Render_State_Changes();
WW3D::Get_Render_Backend()->Apply_Render_State_Changes();
int code = DX8Wrapper::_Get_D3D_Device8()->ProcessVertices(0, 0, numVertex, m_xformedVertexBuffer[j*m_numVBTilesX+i], 0);
::OutputDebugString("did process vertex\n");
}
if (m_xformedVertexBuffer) {
// Note - m_xformedVertexBuffer should only be used for non T&L hardware. jba.
DX8Wrapper::Apply_Render_State_Changes();
WW3D::Get_Render_Backend()->Apply_Render_State_Changes();
DX8Wrapper::_Get_D3D_Device8()->SetStreamSource(
0,
m_xformedVertexBuffer[j*m_numVBTilesX+i],
Expand Down Expand Up @@ -2339,17 +2340,17 @@ void HeightMapRenderObjClass::renderExtraBlendTiles()
DX8Wrapper::Set_Index_Buffer(ib_access,0);
DX8Wrapper::Set_Vertex_Buffer(vb_access);
VertexMaterialClass *vmat=VertexMaterialClass::Get_Preset(VertexMaterialClass::PRELIT_DIFFUSE);
DX8Wrapper::Set_Material(vmat);
WW3D::Get_Render_Backend()->Set_Material(vmat);
REF_PTR_RELEASE(vmat);
ShaderClass shader=ShaderClass::_PresetOpaqueShader;
shader.Set_Depth_Mask(ShaderClass::DEPTH_WRITE_DISABLE); //disable writes to z
DX8Wrapper::Set_Shader(shader);
WW3D::Get_Render_Backend()->Set_Shader(shader);

if (TheGlobalData->m_use3WayTerrainBlends == 2)
{
shader.Set_Primary_Gradient(ShaderClass::GRADIENT_DISABLE); //disable lighting.
shader.Set_Texturing(ShaderClass::TEXTURING_DISABLE); //disable texturing.
DX8Wrapper::Set_Shader(shader);
WW3D::Get_Render_Backend()->Set_Shader(shader);
DX8Wrapper::Set_Texture(0,nullptr); //debug mode which draws terrain tiles in white.
if (Is_Hidden() == 0) {
DX8Wrapper::Draw_Triangles( 0,indexCount/3, 0, vertexCount); //draw a quad, 2 triangles, 4 verts
Expand Down
11 changes: 6 additions & 5 deletions Core/GameEngineDevice/Source/W3DDevice/GameClient/W3DDebugIcons.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,7 @@
#include "GameLogic/GameLogic.h"
#include "Common/MapObject.h"
#include "WW3D2/dx8wrapper.h"
#include "WW3D2/IRenderBackend.h"

#if defined(RTS_DEBUG)

Expand Down Expand Up @@ -215,13 +216,13 @@ void W3DDebugIcons::Render(RenderInfoClass & rinfo)
//
Bool anyVanished = false;
if (m_numDebugIcons==0) return;
DX8Wrapper::Apply_Render_State_Changes();
WW3D::Get_Render_Backend()->Apply_Render_State_Changes();

DX8Wrapper::Set_Material(m_vertexMaterialClass);
WW3D::Get_Render_Backend()->Set_Material(m_vertexMaterialClass);
DX8Wrapper::Set_Texture(0, nullptr);
DX8Wrapper::Apply_Render_State_Changes();
WW3D::Get_Render_Backend()->Apply_Render_State_Changes();

DX8Wrapper::Set_Transform(D3DTS_WORLD,Transform);
WW3D::Get_Render_Backend()->Set_Transform(RB_TRANSFORM_WORLD,Transform);

Int numRect = m_numDebugIcons;
static Real offset = 30;
Expand Down Expand Up @@ -302,7 +303,7 @@ void W3DDebugIcons::Render(RenderInfoClass & rinfo)
}
}
if (numVertex == 0) break;
DX8Wrapper::Set_Shader(ShaderClass(SC_ALPHA));
WW3D::Get_Render_Backend()->Set_Shader(ShaderClass(SC_ALPHA));
DX8Wrapper::Set_Index_Buffer(ib_access,0);
DX8Wrapper::Set_Vertex_Buffer(vb_access);
DX8Wrapper::Draw_Triangles( 0,curIndex/3, 0, numVertex); //draw a quad, 2 triangles, 4 verts
Expand Down
5 changes: 3 additions & 2 deletions Core/GameEngineDevice/Source/W3DDevice/GameClient/W3DDisplay.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,7 @@ static void drawFramerateBar();
#include "WWMath/wwmath.h"
#include "WWLib/registry.h"
#include "WW3D2/ww3d.h"
#include "WW3D2/IRenderBackend.h"
#include "WW3D2/predlod.h"
#include "WW3D2/part_emt.h"
#include "WW3D2/part_ldr.h"
Expand Down Expand Up @@ -549,7 +550,7 @@ void W3DDisplay::setGamma(Real gamma, Real bright, Real contrast, Bool calibrate
if (m_windowed)
return; //we don't allow gamma to change in window because it would affect desktop.

DX8Wrapper::Set_Gamma(gamma,bright,contrast,calibrate, false);
WW3D::Get_Render_Backend()->Set_Gamma(gamma,bright,contrast,calibrate, false);
}

/** Set resolution of display */
Expand Down Expand Up @@ -2936,7 +2937,7 @@ VideoBuffer* W3DDisplay::createVideoBuffer()

// first try to use the native format

WW3DFormat displayFormat = DX8Wrapper::getBackBufferFormat();
WW3DFormat displayFormat = WW3D::Get_Render_Backend()->Get_Back_Buffer_Format();

if ( DX8Wrapper::Get_Current_Caps()->Support_Texture_Format( displayFormat ))
{
Expand Down
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