stateblock.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

        if(This->changed.vertexDecl && This->vertexDecl != targetStateBlock->vertexDecl){
            TRACE("Updating vertex declaration from %p to %p\n", This->vertexDecl, targetStateBlock->vertexDecl);

            This->vertexDecl = targetStateBlock->vertexDecl;
        }

        if(This->changed.fvf && This->fvf != targetStateBlock->fvf){
            This->fvf = targetStateBlock->fvf;
        }

        if (This->changed.material && memcmp(&targetStateBlock->material,
                                                    &This->material,
                                                    sizeof(WINED3DMATERIAL)) != 0) {
            TRACE("Updating material\n");
            memcpy(&This->material, &targetStateBlock->material, sizeof(WINED3DMATERIAL));
        }

        if (This->changed.viewport && memcmp(&targetStateBlock->viewport,
                                                    &This->viewport,
                                                    sizeof(WINED3DVIEWPORT)) != 0) {
            TRACE("Updating viewport\n");
            memcpy(&This->viewport, &targetStateBlock->viewport, sizeof(WINED3DVIEWPORT));
        }

        if(This->changed.scissorRect && memcmp(&targetStateBlock->scissorRect,
                                           &This->scissorRect,
                                           sizeof(targetStateBlock->scissorRect)))
        {
            TRACE("Updating scissor rect\n");
            memcpy(&targetStateBlock->scissorRect, &This->scissorRect, sizeof(targetStateBlock->scissorRect));
        }

        for (i = 0; i < MAX_STREAMS; i++) {
            if (This->changed.streamSource[i] &&
                            ((This->streamStride[i] != targetStateBlock->streamStride[i]) ||
                            (This->streamSource[i] != targetStateBlock->streamSource[i]))) {
                TRACE("Updating stream source %d to %p, stride to %d\n", i, targetStateBlock->streamSource[i],
                                                                            targetStateBlock->streamStride[i]);
                This->streamStride[i] = targetStateBlock->streamStride[i];
                This->streamSource[i] = targetStateBlock->streamSource[i];
            }

            if (This->changed.streamFreq[i] &&
            (This->streamFreq[i] != targetStateBlock->streamFreq[i]
            || This->streamFlags[i] != targetStateBlock->streamFlags[i])){
                    TRACE("Updating stream frequency %d to %d flags to %d\n", i ,  targetStateBlock->streamFreq[i] ,
                                                                                   targetStateBlock->streamFlags[i]);
                    This->streamFreq[i]  =  targetStateBlock->streamFreq[i];
                    This->streamFlags[i] =  targetStateBlock->streamFlags[i];
            }
        }

        for (i = 0; i < GL_LIMITS(clipplanes); i++) {
            if (This->changed.clipplane[i] && memcmp(&targetStateBlock->clipplane[i],
                                                        &This->clipplane[i],
                                                        sizeof(This->clipplane)) != 0) {

                TRACE("Updating clipplane %d\n", i);
                memcpy(&This->clipplane[i], &targetStateBlock->clipplane[i],
                                        sizeof(This->clipplane));
            }
        }

        /* Render */
        for (i = 0; i < This->num_contained_render_states; i++) {
            TRACE("Updating renderState %d to %d\n",
                  This->contained_render_states[i], targetStateBlock->renderState[This->contained_render_states[i]]);
            This->renderState[This->contained_render_states[i]] = targetStateBlock->renderState[This->contained_render_states[i]];
        }

        /* Texture states */
        for (j = 0; j < This->num_contained_tss_states; j++) {
            DWORD stage = This->contained_tss_states[j].stage;
            DWORD state = This->contained_tss_states[j].state;

            TRACE("Updating texturestagestate %d,%d to %d (was %d)\n", stage,state,
                  targetStateBlock->textureState[stage][state], This->textureState[stage][state]);
                    This->textureState[stage][state] =  targetStateBlock->textureState[stage][state];
        }

        /* Samplers */
        /* TODO: move over to using memcpy */
        for (j = 0; j < MAX_COMBINED_SAMPLERS; j++) {
            if (This->changed.textures[j]) {
                TRACE("Updating texture %d to %p (was %p)\n", j, targetStateBlock->textures[j],  This->textures[j]);
                This->textures[j] = targetStateBlock->textures[j];
            }
        }

        for (j = 0; j < This->num_contained_sampler_states; j++) {
            DWORD stage = This->contained_sampler_states[j].stage;
            DWORD state = This->contained_sampler_states[j].state;
            TRACE("Updating sampler state %d,%d to %d (was %d)\n",
                stage, state, targetStateBlock->samplerState[stage][state],
                This->samplerState[stage][state]);
            This->samplerState[stage][state] = targetStateBlock->samplerState[stage][state];
        }

        record_lights(This, targetStateBlock);
    } else if(This->blockType == WINED3DSBT_ALL) {
        This->vertexDecl = targetStateBlock->vertexDecl;
        This->vertexShader = targetStateBlock->vertexShader;
        memcpy(This->vertexShaderConstantB, targetStateBlock->vertexShaderConstantB, sizeof(This->vertexShaderConstantI));
        memcpy(This->vertexShaderConstantI, targetStateBlock->vertexShaderConstantI, sizeof(This->vertexShaderConstantF));
        memcpy(This->vertexShaderConstantF, targetStateBlock->vertexShaderConstantF, sizeof(float) * GL_LIMITS(vshader_constantsF) * 4);
        memcpy(This->streamStride, targetStateBlock->streamStride, sizeof(This->streamStride));
        memcpy(This->streamOffset, targetStateBlock->streamOffset, sizeof(This->streamOffset));
        memcpy(This->streamSource, targetStateBlock->streamSource, sizeof(This->streamSource));
        memcpy(This->streamFreq, targetStateBlock->streamFreq, sizeof(This->streamFreq));
        memcpy(This->streamFlags, targetStateBlock->streamFlags, sizeof(This->streamFlags));
        This->pIndexData = targetStateBlock->pIndexData;
        This->baseVertexIndex = targetStateBlock->baseVertexIndex;
        memcpy(This->transforms, targetStateBlock->transforms, sizeof(This->transforms));
        record_lights(This, targetStateBlock);
        memcpy(This->clipplane, targetStateBlock->clipplane, sizeof(This->clipplane));
        This->clip_status = targetStateBlock->clip_status;
        This->viewport = targetStateBlock->viewport;
        This->material = targetStateBlock->material;
        This->pixelShader = targetStateBlock->pixelShader;
        memcpy(This->pixelShaderConstantB, targetStateBlock->pixelShaderConstantB, sizeof(This->pixelShaderConstantI));
        memcpy(This->pixelShaderConstantI, targetStateBlock->pixelShaderConstantI, sizeof(This->pixelShaderConstantF));
        memcpy(This->pixelShaderConstantF, targetStateBlock->pixelShaderConstantF, sizeof(float) * GL_LIMITS(pshader_constantsF) * 4);
        memcpy(This->renderState, targetStateBlock->renderState, sizeof(This->renderState));
        memcpy(This->textures, targetStateBlock->textures, sizeof(This->textures));
        memcpy(This->textureDimensions, targetStateBlock->textureDimensions, sizeof(This->textureDimensions));
        memcpy(This->textureState, targetStateBlock->textureState, sizeof(This->textureState));
        memcpy(This->samplerState, targetStateBlock->samplerState, sizeof(This->samplerState));
        This->scissorRect = targetStateBlock->scissorRect;
    } else if(This->blockType == WINED3DSBT_VERTEXSTATE) {
        This->vertexShader = targetStateBlock->vertexShader;
        memcpy(This->vertexShaderConstantB, targetStateBlock->vertexShaderConstantB, sizeof(This->vertexShaderConstantI));
        memcpy(This->vertexShaderConstantI, targetStateBlock->vertexShaderConstantI, sizeof(This->vertexShaderConstantF));
        memcpy(This->vertexShaderConstantF, targetStateBlock->vertexShaderConstantF, sizeof(float) * GL_LIMITS(vshader_constantsF) * 4);
        record_lights(This, targetStateBlock);
        for (i = 0; i < NUM_SAVEDVERTEXSTATES_R; i++) {
            This->renderState[SavedVertexStates_R[i]] = targetStateBlock->renderState[SavedVertexStates_R[i]];
        }
        for (j = 0; j < MAX_COMBINED_SAMPLERS; j++) {
            for (i = 0; i < NUM_SAVEDVERTEXSTATES_S; i++) {
                This->samplerState[j][SavedVertexStates_S[i]] = targetStateBlock->samplerState[j][SavedVertexStates_S[i]];
            }
        }
        for (j = 0; j < MAX_TEXTURES; j++) {
            for (i = 0; i < NUM_SAVEDVERTEXSTATES_R; i++) {
                This->textureState[j][SavedVertexStates_R[i]] = targetStateBlock->textureState[j][SavedVertexStates_R[i]];
            }
        }
    } else if(This->blockType == WINED3DSBT_PIXELSTATE) {
        This->pixelShader = targetStateBlock->pixelShader;
        memcpy(This->pixelShaderConstantB, targetStateBlock->pixelShaderConstantB, sizeof(This->pixelShaderConstantI));
        memcpy(This->pixelShaderConstantI, targetStateBlock->pixelShaderConstantI, sizeof(This->pixelShaderConstantF));
        memcpy(This->pixelShaderConstantF, targetStateBlock->pixelShaderConstantF, sizeof(float) * GL_LIMITS(pshader_constantsF) * 4);
        for (i = 0; i < NUM_SAVEDPIXELSTATES_R; i++) {
            This->renderState[SavedPixelStates_R[i]] = targetStateBlock->renderState[SavedPixelStates_R[i]];
        }
        for (j = 0; j < MAX_COMBINED_SAMPLERS; j++) {
            for (i = 0; i < NUM_SAVEDPIXELSTATES_S; i++) {
                This->samplerState[j][SavedPixelStates_S[i]] = targetStateBlock->samplerState[j][SavedPixelStates_S[i]];
            }
        }
        for (j = 0; j < MAX_TEXTURES; j++) {
            for (i = 0; i < NUM_SAVEDPIXELSTATES_R; i++) {
                This->textureState[j][SavedPixelStates_R[i]] = targetStateBlock->textureState[j][SavedPixelStates_R[i]];
            }
        }
    }

    TRACE("(%p) : Updated state block %p ------------------^\n", targetStateBlock, This);

    return WINED3D_OK;
}

static inline void apply_lights(IWineD3DDevice *pDevice, IWineD3DStateBlockImpl *This) {
    UINT i;
    for(i = 0; i < LIGHTMAP_SIZE; i++) {
        struct list *e;

        LIST_FOR_EACH(e, &This->lightMap[i]) {
            PLIGHTINFOEL *light = LIST_ENTRY(e, PLIGHTINFOEL, entry);

            if(light->changed) {
                IWineD3DDevice_SetLight(pDevice, light->OriginalIndex, &light->OriginalParms);
            }
            if(light->enabledChanged) {
                IWineD3DDevice_SetLightEnable(pDevice, light->OriginalIndex, light->glIndex != -1);
            }
        }
    }
}

static HRESULT  WINAPI IWineD3DStateBlockImpl_Apply(IWineD3DStateBlock *iface){
    IWineD3DStateBlockImpl *This = (IWineD3DStateBlockImpl *)iface;
    IWineD3DDevice*        pDevice     = (IWineD3DDevice*)This->wineD3DDevice;

/*Copy thing over to updateBlock is isRecording otherwise StateBlock,
should really perform a delta so that only the changes get updated*/

    UINT i;
    UINT j;

    TRACE("(%p) : Applying state block %p ------------------v\n", This, pDevice);

    TRACE("Blocktype: %d\n", This->blockType);

    if(This->blockType == WINED3DSBT_RECORDED) {
        if (This->changed.vertexShader) {
            IWineD3DDevice_SetVertexShader(pDevice, This->vertexShader);
        }
        /* Vertex Shader Constants */
        for (i = 0; i < This->num_contained_vs_consts_f; i++) {
            IWineD3DDevice_SetVertexShaderConstantF(pDevice, This->contained_vs_consts_f[i],
                    This->vertexShaderConstantF + This->contained_vs_consts_f[i] * 4, 1);
        }
        for (i = 0; i < This->num_contained_vs_consts_i; i++) {
            IWineD3DDevice_SetVertexShaderConstantI(pDevice, This->contained_vs_consts_i[i],
                    This->vertexShaderConstantI + This->contained_vs_consts_i[i] * 4, 1);
        }
        for (i = 0; i < This->num_contained_vs_consts_b; i++) {
            IWineD3DDevice_SetVertexShaderConstantB(pDevice, This->contained_vs_consts_b[i],
                    This->vertexShaderConstantB + This->contained_vs_consts_b[i], 1);
        }

        apply_lights(pDevice, This);

        if (This->changed.pixelShader) {
            IWineD3DDevice_SetPixelShader(pDevice, This->pixelShader);
        }
        /* Pixel Shader Constants */
        for (i = 0; i < This->num_contained_ps_consts_f; i++) {
            IWineD3DDevice_SetPixelShaderConstantF(pDevice, This->contained_ps_consts_f[i],
                    This->pixelShaderConstantF + This->contained_ps_consts_f[i] * 4, 1);
        }
        for (i = 0; i < This->num_contained_ps_consts_i; i++) {
            IWineD3DDevice_SetPixelShaderConstantI(pDevice, This->contained_ps_consts_i[i],
                    This->pixelShaderConstantI + This->contained_ps_consts_i[i] * 4, 1);
        }
        for (i = 0; i < This->num_contained_ps_consts_b; i++) {
            IWineD3DDevice_SetPixelShaderConstantB(pDevice, This->contained_ps_consts_b[i],
                    This->pixelShaderConstantB + This->contained_ps_consts_b[i], 1);
        }

        /* Render */
        for (i = 0; i <= This->num_contained_render_states; i++) {
            IWineD3DDevice_SetRenderState(pDevice, This->contained_render_states[i],