gamma_inithw.c

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

    WRITE(gmesa->buf, TextureReadMode, 0);
    WRITE(gmesa->buf, TextureFilterMode, 0);
    WRITE(gmesa->buf, TextureColorMode, 0);
    WRITE(gmesa->buf, StencilMode, 0);
    WRITE(gmesa->buf, PatternRamMode, 0);
    WRITE(gmesa->buf, ChromaTestMode, 0);
    WRITE(gmesa->buf, StatisticMode, 0);
    WRITE(gmesa->buf, AreaStippleMode, gmesa->AreaStippleMode);
    WRITE(gmesa->buf, ScissorMode, gmesa->ScissorMode);
    WRITE(gmesa->buf, FogMode, gmesa->FogMode);
    WRITE(gmesa->buf, AntialiasMode, gmesa->AntialiasMode);
    WRITE(gmesa->buf, LogicalOpMode, gmesa->LogicalOpMode);
    WRITE(gmesa->buf, TriangleMode, gmesa->TriangleMode);
    WRITE(gmesa->buf, PointMode, gmesa->PointMode);
    WRITE(gmesa->buf, LineMode, gmesa->LineMode);
    WRITE(gmesa->buf, LBWriteFormat, gmesa->LBWriteFormat);
    WRITE(gmesa->buf, LBReadFormat,  gmesa->LBReadFormat);

    /* Framebuffer initialization */
    CHECK_DMA_BUFFER(gmesa, 10);
    WRITE(gmesa->buf, FBSourceData, 0);
    WRITE(gmesa->buf, FBReadMode, gmesa->FBReadMode);
    if (gmesa->EnabledFlags & GAMMA_BACK_BUFFER) {
	if (gDRIPriv->numMultiDevices == 2) {
	    WRITE(gmesa->buf, FBPixelOffset,
	      (gmesa->driScreen->fbHeight/2)*gmesa->driScreen->fbWidth);
	} else {
	    WRITE(gmesa->buf, FBPixelOffset,
	      gmesa->driScreen->fbHeight*gmesa->driScreen->fbWidth);
	}
    } else
	WRITE(gmesa->buf, FBPixelOffset, 0);
    WRITE(gmesa->buf, FBSourceOffset, 0);
    WRITE(gmesa->buf, FBHardwareWriteMask, 0xffffffff);
    WRITE(gmesa->buf, FBSoftwareWriteMask, 0xffffffff);
    WRITE(gmesa->buf, FBWriteMode, FBWriteModeEnable);
    WRITE(gmesa->buf, FBWindowBase, gmesa->FBWindowBase);
    WRITE(gmesa->buf, ScreenSize, ((gmesa->driScreen->fbHeight << 16) |
				 (gmesa->driScreen->fbWidth)));
    WRITE(gmesa->buf, WindowOrigin, 0x00000000);

    /* Localbuffer initialization */
    CHECK_DMA_BUFFER(gmesa, 5);
    WRITE(gmesa->buf, LBReadMode, gmesa->LBReadMode);
    WRITE(gmesa->buf, LBSourceOffset, 0);
    WRITE(gmesa->buf, LBWriteMode, LBWriteModeEnable);
    WRITE(gmesa->buf, LBWindowOffset, 0);
    WRITE(gmesa->buf, LBWindowBase, gmesa->LBWindowBase);

    CHECK_DMA_BUFFER(gmesa, 1);
    WRITE(gmesa->buf, Rectangle2DControl, 1);

    CHECK_DMA_BUFFER(gmesa, 11);
    WRITE(gmesa->buf, DepthMode, gmesa->DepthMode);
    WRITE(gmesa->buf, ColorDDAMode, gmesa->ColorDDAMode);
    WRITE(gmesa->buf, FBBlockColor, 0x00000000);
    WRITE(gmesa->buf, ConstantColor, 0x00000000);
    WRITE(gmesa->buf, AlphaTestMode, gmesa->AlphaTestMode);
    WRITE(gmesa->buf, AlphaBlendMode, gmesa->AlphaBlendMode);
    WRITE(gmesa->buf, DitherMode, gmesa->DitherMode);
    if (gDRIPriv->numMultiDevices == 2)
    	WRITE(gmesa->buf, RasterizerMode, RM_MultiGLINT | RM_BiasCoordNearHalf);
    else
    	WRITE(gmesa->buf, RasterizerMode, RM_BiasCoordNearHalf);
    WRITE(gmesa->buf, GLINTWindow, gmesa->Window);
    WRITE(gmesa->buf, FastClearDepth, gmesa->ClearDepth);
    WRITE(gmesa->buf, GLINTDepth, gmesa->ClearDepth);

    CHECK_DMA_BUFFER(gmesa, 1);
    WRITE(gmesa->buf, EdgeFlag, EdgeFlagEnable);

    CHECK_DMA_BUFFER(gmesa, 16);
    WRITEF(gmesa->buf, ModelViewMatrix0,  1.0);
    WRITEF(gmesa->buf, ModelViewMatrix1,  0.0);
    WRITEF(gmesa->buf, ModelViewMatrix2,  0.0);
    WRITEF(gmesa->buf, ModelViewMatrix3,  0.0);
    WRITEF(gmesa->buf, ModelViewMatrix4,  0.0);
    WRITEF(gmesa->buf, ModelViewMatrix5,  1.0);
    WRITEF(gmesa->buf, ModelViewMatrix6,  0.0);
    WRITEF(gmesa->buf, ModelViewMatrix7,  0.0);
    WRITEF(gmesa->buf, ModelViewMatrix8,  0.0);
    WRITEF(gmesa->buf, ModelViewMatrix9,  0.0);
    WRITEF(gmesa->buf, ModelViewMatrix10, 1.0);
    WRITEF(gmesa->buf, ModelViewMatrix11, 0.0);
    WRITEF(gmesa->buf, ModelViewMatrix12, 0.0);
    WRITEF(gmesa->buf, ModelViewMatrix13, 0.0);
    WRITEF(gmesa->buf, ModelViewMatrix14, 0.0);
    WRITEF(gmesa->buf, ModelViewMatrix15, 1.0);

    CHECK_DMA_BUFFER(gmesa, 16);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix0,  1.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix1,  0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix2,  0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix3,  0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix4,  0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix5,  1.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix6,  0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix7,  0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix8,  0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix9,  0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix10, 1.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix11, 0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix12, 0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix13, 0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix14, 0.0);
    WRITEF(gmesa->buf, ModelViewProjectionMatrix15, 1.0);

    CHECK_DMA_BUFFER(gmesa, 16);
    WRITEF(gmesa->buf, TextureMatrix0,  1.0);
    WRITEF(gmesa->buf, TextureMatrix1,  0.0);
    WRITEF(gmesa->buf, TextureMatrix2,  0.0);
    WRITEF(gmesa->buf, TextureMatrix3,  0.0);
    WRITEF(gmesa->buf, TextureMatrix4,  0.0);
    WRITEF(gmesa->buf, TextureMatrix5,  1.0);
    WRITEF(gmesa->buf, TextureMatrix6,  0.0);
    WRITEF(gmesa->buf, TextureMatrix7,  0.0);
    WRITEF(gmesa->buf, TextureMatrix8,  0.0);
    WRITEF(gmesa->buf, TextureMatrix9,  0.0);
    WRITEF(gmesa->buf, TextureMatrix10, 1.0);
    WRITEF(gmesa->buf, TextureMatrix11, 0.0);
    WRITEF(gmesa->buf, TextureMatrix12, 0.0);
    WRITEF(gmesa->buf, TextureMatrix13, 0.0);
    WRITEF(gmesa->buf, TextureMatrix14, 0.0);
    WRITEF(gmesa->buf, TextureMatrix15, 1.0);

    CHECK_DMA_BUFFER(gmesa, 16);
    WRITEF(gmesa->buf, TexGen0,  0.0);
    WRITEF(gmesa->buf, TexGen1,  0.0);
    WRITEF(gmesa->buf, TexGen2,  0.0);
    WRITEF(gmesa->buf, TexGen3,  0.0);
    WRITEF(gmesa->buf, TexGen4,  0.0);
    WRITEF(gmesa->buf, TexGen5,  0.0);
    WRITEF(gmesa->buf, TexGen6,  0.0);
    WRITEF(gmesa->buf, TexGen7,  0.0);
    WRITEF(gmesa->buf, TexGen8,  0.0);
    WRITEF(gmesa->buf, TexGen9,  0.0);
    WRITEF(gmesa->buf, TexGen10, 0.0);
    WRITEF(gmesa->buf, TexGen11, 0.0);
    WRITEF(gmesa->buf, TexGen12, 0.0);
    WRITEF(gmesa->buf, TexGen13, 0.0);
    WRITEF(gmesa->buf, TexGen14, 0.0);
    WRITEF(gmesa->buf, TexGen15, 0.0);

    CHECK_DMA_BUFFER(gmesa, 9);
    WRITEF(gmesa->buf, NormalMatrix0, 1.0);
    WRITEF(gmesa->buf, NormalMatrix1, 0.0);
    WRITEF(gmesa->buf, NormalMatrix2, 0.0);
    WRITEF(gmesa->buf, NormalMatrix3, 0.0);
    WRITEF(gmesa->buf, NormalMatrix4, 1.0);
    WRITEF(gmesa->buf, NormalMatrix5, 0.0);
    WRITEF(gmesa->buf, NormalMatrix6, 0.0);
    WRITEF(gmesa->buf, NormalMatrix7, 0.0);
    WRITEF(gmesa->buf, NormalMatrix8, 1.0);

    CHECK_DMA_BUFFER(gmesa, 3);
    WRITEF(gmesa->buf, FogDensity, 0.0);
    WRITEF(gmesa->buf, FogEnd,     0.0);
    WRITEF(gmesa->buf, FogScale,   0.0);

    CHECK_DMA_BUFFER(gmesa, 2);
    WRITEF(gmesa->buf, LineClipLengthThreshold,   0.0);
    WRITEF(gmesa->buf, TriangleClipAreaThreshold, 0.0);

    CHECK_DMA_BUFFER(gmesa, 5);
    WRITE(gmesa->buf, GeometryMode, gmesa->GeometryMode);
    WRITE(gmesa->buf, NormalizeMode, NormalizeModeDisable);
    WRITE(gmesa->buf, LightingMode, gmesa->LightingMode);
    WRITE(gmesa->buf, ColorMaterialMode, ColorMaterialModeDisable);
    WRITE(gmesa->buf, MaterialMode, MaterialModeDisable);

    CHECK_DMA_BUFFER(gmesa, 2);
    WRITE(gmesa->buf, FrontSpecularExponent, 0); /* fixed point */
    WRITE(gmesa->buf, BackSpecularExponent,  0); /* fixed point */

    CHECK_DMA_BUFFER(gmesa, 29);
    WRITEF(gmesa->buf, FrontAmbientColorRed,    0.2);
    WRITEF(gmesa->buf, FrontAmbientColorGreen,  0.2);
    WRITEF(gmesa->buf, FrontAmbientColorBlue,   0.2);
    WRITEF(gmesa->buf, BackAmbientColorRed,     0.2);
    WRITEF(gmesa->buf, BackAmbientColorGreen,   0.2);
    WRITEF(gmesa->buf, BackAmbientColorBlue,    0.2);
    WRITEF(gmesa->buf, FrontDiffuseColorRed,    0.8);
    WRITEF(gmesa->buf, FrontDiffuseColorGreen,  0.8);
    WRITEF(gmesa->buf, FrontDiffuseColorBlue,   0.8);
    WRITEF(gmesa->buf, BackDiffuseColorRed,     0.8);
    WRITEF(gmesa->buf, BackDiffuseColorGreen,   0.8);
    WRITEF(gmesa->buf, BackDiffuseColorBlue,    0.8);
    WRITEF(gmesa->buf, FrontSpecularColorRed,   0.0);
    WRITEF(gmesa->buf, FrontSpecularColorGreen, 0.0);
    WRITEF(gmesa->buf, FrontSpecularColorBlue,  0.0);
    WRITEF(gmesa->buf, BackSpecularColorRed,    0.0);
    WRITEF(gmesa->buf, BackSpecularColorGreen,  0.0);
    WRITEF(gmesa->buf, BackSpecularColorBlue,   0.0);
    WRITEF(gmesa->buf, FrontEmissiveColorRed,   0.0);
    WRITEF(gmesa->buf, FrontEmissiveColorGreen, 0.0);
    WRITEF(gmesa->buf, FrontEmissiveColorBlue,  0.0);
    WRITEF(gmesa->buf, BackEmissiveColorRed,    0.0);
    WRITEF(gmesa->buf, BackEmissiveColorGreen,  0.0);
    WRITEF(gmesa->buf, BackEmissiveColorBlue,   0.0);
    WRITEF(gmesa->buf, SceneAmbientColorRed,    0.2);
    WRITEF(gmesa->buf, SceneAmbientColorGreen,  0.2);
    WRITEF(gmesa->buf, SceneAmbientColorBlue,   0.2);
    WRITEF(gmesa->buf, FrontAlpha,              1.0);
    WRITEF(gmesa->buf, BackAlpha,               1.0);

    CHECK_DMA_BUFFER(gmesa, 7);
    WRITE(gmesa->buf, PointSize, 1);
    WRITEF(gmesa->buf, AApointSize, 1.0);
    WRITE(gmesa->buf, LineWidth, 1);
    WRITEF(gmesa->buf, AAlineWidth, 1.0);
    WRITE(gmesa->buf, LineWidthOffset, 0);
    WRITE(gmesa->buf, TransformMode, gmesa->TransformMode);
    WRITE(gmesa->buf, DeltaMode, gmesa->DeltaMode);

    CHECK_DMA_BUFFER(gmesa, 16);
    WRITE(gmesa->buf, Light0Mode,  LNM_Off);
    WRITE(gmesa->buf, Light1Mode,  LNM_Off);
    WRITE(gmesa->buf, Light2Mode,  LNM_Off);
    WRITE(gmesa->buf, Light3Mode,  LNM_Off);
    WRITE(gmesa->buf, Light4Mode,  LNM_Off);
    WRITE(gmesa->buf, Light5Mode,  LNM_Off);
    WRITE(gmesa->buf, Light6Mode,  LNM_Off);
    WRITE(gmesa->buf, Light7Mode,  LNM_Off);
    WRITE(gmesa->buf, Light8Mode,  LNM_Off);
    WRITE(gmesa->buf, Light9Mode,  LNM_Off);
    WRITE(gmesa->buf, Light10Mode, LNM_Off);
    WRITE(gmesa->buf, Light11Mode, LNM_Off);
    WRITE(gmesa->buf, Light12Mode, LNM_Off);
    WRITE(gmesa->buf, Light13Mode, LNM_Off);
    WRITE(gmesa->buf, Light14Mode, LNM_Off);
    WRITE(gmesa->buf, Light15Mode, LNM_Off);

    CHECK_DMA_BUFFER(gmesa, 22);
    WRITEF(gmesa->buf, Light0AmbientIntensityBlue, 0.0);
    WRITEF(gmesa->buf, Light0AmbientIntensityGreen, 0.0);
    WRITEF(gmesa->buf, Light0AmbientIntensityRed, 0.0);
    WRITEF(gmesa->buf, Light0DiffuseIntensityBlue, 1.0);
    WRITEF(gmesa->buf, Light0DiffuseIntensityGreen, 1.0);
    WRITEF(gmesa->buf, Light0DiffuseIntensityRed, 1.0);
    WRITEF(gmesa->buf, Light0SpecularIntensityBlue, 1.0);
    WRITEF(gmesa->buf, Light0SpecularIntensityGreen, 1.0);
    WRITEF(gmesa->buf, Light0SpecularIntensityRed, 1.0);
    WRITEF(gmesa->buf, Light0SpotlightDirectionZ, 0.0);
    WRITEF(gmesa->buf, Light0SpotlightDirectionY, 0.0);
    WRITEF(gmesa->buf, Light0SpotlightDirectionX, -1.0);
    WRITEF(gmesa->buf, Light0SpotlightExponent, 0.0);
    WRITEF(gmesa->buf, Light0PositionZ, 0.0);
    WRITEF(gmesa->buf, Light0PositionY, 0.0);
    WRITEF(gmesa->buf, Light0PositionX, 1.0);
    WRITEF(gmesa->buf, Light0PositionW, 0.0);
    WRITEF(gmesa->buf, Light0CosSpotlightCutoffAngle, -1.0);
    WRITEF(gmesa->buf, Light0ConstantAttenuation, 1.0);
    WRITEF(gmesa->buf, Light0LinearAttenuation,   0.0);
    WRITEF(gmesa->buf, Light0QuadraticAttenuation,0.0);

    CHECK_DMA_BUFFER(gmesa, 2);
    WRITEF(gmesa->buf, XBias, 0.0);
    WRITEF(gmesa->buf, YBias, 0.0);

    CHECK_DMA_BUFFER(gmesa, 6);
    WRITEF(gmesa->buf, ViewPortScaleX, gmesa->driScreen->fbWidth/4);
    WRITEF(gmesa->buf, ViewPortScaleY, gmesa->driScreen->fbHeight/4);
    WRITEF(gmesa->buf, ViewPortScaleZ, 1.0f);
    WRITEF(gmesa->buf, ViewPortOffsetX, gmesa->x);
    WRITEF(gmesa->buf, ViewPortOffsetY, gmesa->y);
    WRITEF(gmesa->buf, ViewPortOffsetZ, 0.0f);

    CHECK_DMA_BUFFER(gmesa, 3);
    WRITEF(gmesa->buf, Nz, 1.0);
    WRITEF(gmesa->buf, Ny, 0.0);
    WRITEF(gmesa->buf, Nx, 0.0);

    /* Send the initialization commands to the HW */
    FLUSH_DMA_BUFFER(gmesa);
}