/************************************************************************** Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. All Rights Reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sub license, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice (including the next paragraph) shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. **************************************************************************/ /* $XFree86: xc/lib/GL/mesa/src/drv/sis/sis_mesa.c,v 1.5 2000/09/26 15:56:48 tsi Exp $ */ /* * Authors: * Sung-Ching Lin * */ #include "sis_ctx.h" #include "sis_mesa.h" #include "sis_lock.h" #include "state.h" void sis_RenderStart (GLcontext * ctx) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; LOCK_HARDWARE (); if (hwcx->Primitive & hwcx->swRenderFlag) { WaitEngIdle (hwcx); } if (ctx->Texture.ReallyEnabled) { sis_validate_texture (ctx); if (hwcx->swRenderFlag & SIS_SW_TEXTURE) { hwcx->swForceRender = GL_TRUE; gl_update_state(ctx); hwcx->swForceRender = GL_FALSE; } else { if (hwcx->GlobalFlag & GFLAG_TEXTURE_STATES) sis_update_texture_state (hwcx); } } if (hwcx->GlobalFlag & GFLAG_RENDER_STATES) { sis_update_render_state (hwcx, 0); } if (hwcx->UseAGPCmdMode) { sis_StartAGP (ctx); } #if defined(SIS_DUMP) d2f_once (ctx); #endif } void sis_RenderFinish (GLcontext * ctx) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; if (hwcx->UseAGPCmdMode) { sis_FlushAGP (ctx); } UNLOCK_HARDWARE (); } void sis_ReducedPrimitiveChange (GLcontext * ctx, GLenum primitive) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; /* it is possible several primitive types per VB */ if (hwcx->UseAGPCmdMode) { sis_FlushAGP (ctx); sis_StartAGP (ctx); } else { mEndPrimitive(); /* * do nothing now because each hw's primitive-type will be set * per primitive */ /* TODO: if above rule changes, remember to modify */ } hwcx->AGPParseSet &= ~0xf; switch (primitive) { case GL_POINT: case GL_POINTS: hwcx->Primitive = SIS_SW_POINT; hwcx->AGPParseSet |= 0x0; break; case GL_LINE: case GL_LINES: hwcx->Primitive = SIS_SW_LINE; hwcx->AGPParseSet |= 0x4; break; case GL_POLYGON: hwcx->Primitive = SIS_SW_TRIANGLE; hwcx->AGPParseSet |= 0x8; break; } } void sis_init_driver (GLcontext * ctx) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; ctx->Driver.UpdateState = sis_UpdateState; ctx->Driver.RenderStart = sis_RenderStart; ctx->Driver.RenderFinish = sis_RenderFinish; ctx->Driver.ReducedPrimitiveChange = sis_ReducedPrimitiveChange; ctx->Driver.Finish = sis_Finish; ctx->Driver.Flush = sis_Flush; ctx->Driver.AlphaFunc = sis_AlphaFunc; ctx->Driver.BlendEquation = sis_BlendEquation; ctx->Driver.BlendFunc = sis_BlendFunc; ctx->Driver.BlendFuncSeparate = sis_BlendFuncSeparate; ctx->Driver.ClearDepth = sis_ClearDepth; ctx->Driver.CullFace = sis_CullFace; ctx->Driver.FrontFace = sis_FrontFace; ctx->Driver.DepthFunc = sis_DepthFunc; ctx->Driver.DepthMask = sis_DepthMask; ctx->Driver.DepthRange = sis_DepthRange; ctx->Driver.Enable = sis_Enable; ctx->Driver.Fogfv = sis_Fogfv; ctx->Driver.Hint = sis_Hint; ctx->Driver.Lightfv = sis_Lightfv; ctx->Driver.LightModelfv = sis_LightModelfv; ctx->Driver.PolygonMode = sis_PolygonMode; ctx->Driver.Scissor = sis_Scissor; ctx->Driver.ShadeModel = sis_ShadeModel; ctx->Driver.ClearStencil = sis_ClearStencil; ctx->Driver.StencilFunc = sis_StencilFunc; ctx->Driver.StencilMask = sis_StencilMask; ctx->Driver.StencilOp = sis_StencilOp; ctx->Driver.Viewport = sis_Viewport; ctx->Driver.Clear = sis_Clear; ctx->Driver.TexEnv = sis_TexEnv; ctx->Driver.TexImage = sis_TexImage; ctx->Driver.TexSubImage = sis_TexSubImage; ctx->Driver.TexParameter = sis_TexParameter; ctx->Driver.BindTexture = sis_BindTexture; ctx->Driver.DeleteTexture = sis_DeleteTexture; ctx->Driver.UpdateTexturePalette = sis_UpdateTexturePalette; ctx->Driver.ActiveTexture = sis_ActiveTexture; ctx->Driver.IsTextureResident = sis_IsTextureResident; ctx->Driver.PrioritizeTexture = sis_PrioritizeTexture; ctx->Driver.ClearColor = sis_ClearColor; ctx->Driver.SetDrawBuffer = sis_SetDrawBuffer; ctx->Driver.SetReadBuffer = sis_SetReadBuffer; ctx->Driver.GetBufferSize = sis_GetBufferSize; ctx->Driver.GetString = sis_GetString; ctx->Driver.ColorMask = sis_ColorMask; ctx->Driver.LogicOp = sis_LogicOp; ctx->Driver.Dither = sis_Dither; ctx->Driver.GetParameteri = sis_GetParameteri; ctx->Driver.DrawPixels = sis_DrawPixels; ctx->Driver.Bitmap = sis_Bitmap; /* Optimization */ #ifdef NOT_DONE ctx->Driver.RasterSetup = sis_ChooseRasterSetupFunc(ctx); ctx->Driver.RegisterVB = sis_RegisterVB; ctx->Driver.UnregisterVB = sis_UnregisterVB; ctx->Driver.ResetVB = sis_ResetVB; ctx->Driver.ResetCvaVB = sis_ResetCvaVB; #endif /* Fast Path */ ctx->Driver.RegisterPipelineStages = sis_RegisterPipelineStages; /* driver-specific */ hwcx->SwapBuffers = sis_swap_buffers; #ifdef SIS_USE_HW_CULL /* set capability flag */ ctx->Driver.TriangleCaps = DD_TRI_CULL; #endif } void sis_UpdateState (GLcontext * ctx) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *prev = &hwcx->prev; __GLSiSHardware *current = &hwcx->current; sis_set_render_func (ctx); /* ?? duplicate in sis_Enable */ if (ctx->NewState & NEW_FOG) { if (ctx->RasterMask & FOG_BIT) current->hwCapEnable |= MASK_FogEnable; else current->hwCapEnable &= ~MASK_FogEnable; } /* TODO: mesa->NewState. In sis_Enable? */ if (ctx->RasterMask & STENCIL_BIT) { current->hwCapEnable |= (MASK_StencilTestEnable | MASK_StencilWriteEnable); } else { current->hwCapEnable &= ~(MASK_StencilTestEnable | MASK_StencilWriteEnable); } /* NEW_TEXTURE_ENABLE depends on glEnable() instead of ReallyEnabled */ /* if (ctx->NewState & NEW_TEXTURE_ENABLE) */ if(1) { if (ctx->Texture.ReallyEnabled & (TEXTURE0_1D | TEXTURE0_2D | TEXTURE1_1D | TEXTURE1_2D)) { current->hwCapEnable |= MASK_TextureEnable; current->hwCapEnable &= ~MASK_TextureNumUsed; if (ctx->Texture.ReallyEnabled & TEXTURE1_ANY) current->hwCapEnable |= 0x00002000; else current->hwCapEnable |= 0x00001000; } else { current->hwCapEnable &= ~MASK_TextureEnable; } #if 1 /* TODO : if unmark these, error in multitexture */ if(ctx->NewState & NEW_TEXTURE_ENABLE) { int i; for (i = 0; i < SIS_MAX_TEXTURES; i++) { hwcx->TexStates[i] |= (NEW_TEXTURING | NEW_TEXTURE_ENV); } } #endif } /* enable setting 1 */ if (current->hwCapEnable ^ prev->hwCapEnable) { prev->hwCapEnable = current->hwCapEnable; hwcx->GlobalFlag |= GFLAG_ENABLESETTING; } /* enable setting 2 */ if (current->hwCapEnable2 ^ prev->hwCapEnable2) { prev->hwCapEnable2 = current->hwCapEnable2; hwcx->GlobalFlag |= GFLAG_ENABLESETTING2; } /* TODO: if fog disable, don't check */ if (current->hwCapEnable & MASK_FogEnable) { /* fog setting */ if (current->hwFog ^ prev->hwFog) { prev->hwFog = current->hwFog; hwcx->GlobalFlag |= GFLAG_FOGSETTING; } if (current->hwFogFar ^ prev->hwFogFar) { prev->hwFogFar = current->hwFogFar; hwcx->GlobalFlag |= GFLAG_FOGSETTING; } if (current->hwFogInverse ^ prev->hwFogInverse) { prev->hwFogInverse = current->hwFogInverse; hwcx->GlobalFlag |= GFLAG_FOGSETTING; } if (current->hwFogDensity ^ prev->hwFogDensity) { prev->hwFogDensity = current->hwFogDensity; hwcx->GlobalFlag |= GFLAG_FOGSETTING; } } #ifdef NOT_DONE sis_set_render_vb_tabs(ctx); #endif /* TODO: assume when isFullScreen/DrawBuffer changed, UpdateState * will be called */ #if SIS_STEREO if(hwcx->isFullScreen && (ctx->Color.DriverDrawBuffer == GL_BACK_LEFT) && hwcx->useStereo) { if(!hwcx->stereoEnabled){ sis_init_stereo(ctx); } } else{ if(hwcx->stereoEnabled){ sis_final_stereo(ctx); } } #endif /* TODO : 1. where to handle SIS_SW_TEXTURE? * 2. sw<->hw * 3. sw-render only if next primitve need to do */ } void sis_set_buffer_static (GLcontext * ctx) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *prev = &hwcx->prev; __GLSiSHardware *current = &hwcx->current; GLvisual *visual = ctx->Visual; switch (hwcx->bytesPerPixel) { case 2: /* TODO: don't check if (hwcx->redMask == 0xf800 && hwcx->greenMask == 0x07e0 && hwcx->blueMask == 0x001f) */ { current->hwDstSet |= DST_FORMAT_RGB_565; } break; case 4: /* if (hwcx->redMask == 0xff0000 && hwcx->greenMask == 0xff00 && hwcx->blueMask == 0xff) */ { switch (visual->AlphaBits) { case 0: case 1: case 2: case 4: case 8: /* TODO */ current->hwDstSet |= DST_FORMAT_ARGB_8888; break; } } break; default: assert (0); } switch (visual->DepthBits) { case 0: current->hwCapEnable &= ~MASK_ZWriteEnable; case 16: hwcx->zFormat = Z_16; current->hwCapEnable |= MASK_ZWriteEnable; break; case 32: hwcx->zFormat = Z_32; current->hwCapEnable |= MASK_ZWriteEnable; break; case 24: assert (visual->StencilBits); hwcx->zFormat = S_8_Z_24; current->hwCapEnable |= MASK_StencilBufferEnable; current->hwCapEnable |= MASK_ZWriteEnable; break; } current->hwZ &= ~MASK_ZBufferFormat; current->hwZ |= hwcx->zFormat; /* Destination Color Format */ if (current->hwDstSet ^ prev->hwDstSet) { prev->hwDstSet = current->hwDstSet; hwcx->GlobalFlag |= GFLAG_DESTSETTING; } /* Z Buffer Data Format */ if (current->hwZ ^ prev->hwZ) { prev->hwZ = current->hwZ; hwcx->GlobalFlag |= GFLAG_ZSETTING; } sis_sw_set_zfuncs_static (ctx); } void sis_Finish (GLcontext * ctx) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; sis_Flush (ctx); WaitEngIdle (hwcx); } void sis_Flush (GLcontext * ctx) { /* do nothing now */ } void sis_AlphaFunc (GLcontext * ctx, GLenum func, GLclampf ref) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *prev = &hwcx->prev; __GLSiSHardware *current = &hwcx->current; /* TODO: ref is type GLclampf, but mesa has scaled it to 0 - 255.0 */ current->hwAlpha = ((unsigned char) ref) << 16; /* Alpha Test function */ current->hwAlpha &= ~0x07000000; switch (func) { case GL_NEVER: current->hwAlpha |= SiS_ALPHA_NEVER; break; case GL_LESS: current->hwAlpha |= SiS_ALPHA_LESS; break; case GL_EQUAL: current->hwAlpha |= SiS_ALPHA_EQUAL; break; case GL_LEQUAL: current->hwAlpha |= SiS_ALPHA_LEQUAL; break; case GL_GREATER: current->hwAlpha |= SiS_ALPHA_GREATER; break; case GL_NOTEQUAL: current->hwAlpha |= SiS_ALPHA_NOTEQUAL; break; case GL_GEQUAL: current->hwAlpha |= SiS_ALPHA_GEQUAL; break; case GL_ALWAYS: current->hwAlpha |= SiS_ALPHA_ALWAYS; break; } prev->hwAlpha = current->hwAlpha; hwcx->GlobalFlag |= GFLAG_ALPHASETTING; } void sis_BlendEquation (GLcontext * ctx, GLenum mode) { /* version 1.2 specific */ /* TODO: 300 don't support, fall back? */ } void sis_BlendFunc (GLcontext * ctx, GLenum sfactor, GLenum dfactor) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *prev = &hwcx->prev; __GLSiSHardware *current = &hwcx->current; /* TODO: in ICD, if no blend, it will reset these value */ /* blending enable */ current->hwDstSrcBlend = 0x10000; /* Default destination alpha */ switch (dfactor) { case GL_ZERO: current->hwDstSrcBlend |= SiS_D_ZERO; break; case GL_ONE: current->hwDstSrcBlend |= SiS_D_ONE; break; case GL_SRC_COLOR: current->hwDstSrcBlend |= SiS_D_SRC_COLOR; break; case GL_ONE_MINUS_SRC_COLOR: current->hwDstSrcBlend |= SiS_D_ONE_MINUS_SRC_COLOR; break; case GL_SRC_ALPHA: current->hwDstSrcBlend |= SiS_D_SRC_ALPHA; break; case GL_ONE_MINUS_SRC_ALPHA: current->hwDstSrcBlend |= SiS_D_ONE_MINUS_SRC_ALPHA; break; case GL_DST_ALPHA: current->hwDstSrcBlend |= SiS_D_DST_ALPHA; break; case GL_ONE_MINUS_DST_ALPHA: current->hwDstSrcBlend |= SiS_D_ONE_MINUS_DST_ALPHA; break; } switch (sfactor) { case GL_ZERO: current->hwDstSrcBlend |= SiS_S_ZERO; break; case GL_ONE: current->hwDstSrcBlend |= SiS_S_ONE; break; case GL_SRC_ALPHA: current->hwDstSrcBlend |= SiS_S_SRC_ALPHA; break; case GL_ONE_MINUS_SRC_ALPHA: current->hwDstSrcBlend |= SiS_S_ONE_MINUS_SRC_ALPHA; break; case GL_DST_ALPHA: current->hwDstSrcBlend |= SiS_S_DST_ALPHA; break; case GL_ONE_MINUS_DST_ALPHA: current->hwDstSrcBlend |= SiS_S_ONE_MINUS_DST_ALPHA; break; case GL_DST_COLOR: current->hwDstSrcBlend |= SiS_S_DST_COLOR; break; case GL_ONE_MINUS_DST_COLOR: current->hwDstSrcBlend |= SiS_S_ONE_MINUS_DST_COLOR; break; case GL_SRC_ALPHA_SATURATE: current->hwDstSrcBlend |= SiS_S_SRC_ALPHA_SATURATE; break; } if (current->hwDstSrcBlend ^ prev->hwDstSrcBlend) { prev->hwDstSrcBlend = current->hwDstSrcBlend; hwcx->GlobalFlag |= GFLAG_DSTBLEND; } } void sis_BlendFuncSeparate (GLcontext * ctx, GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorA, GLenum dfactorA) { } void sis_CullFace (GLcontext * ctx, GLenum mode) { #ifdef SIS_USE_HW_CULL XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; hwcx->AGPParseSet &= ~0x00008000; hwcx->dwPrimitiveSet &= ~0x08000000; /* TODO : GL_FRONT_AND_BACK must be handled elsewhere */ if((mode == GL_FRONT && ctx->Polygon.FrontFace == GL_CCW) || (mode == GL_BACK && ctx->Polygon.FrontFace == GL_CW)) { hwcx->AGPParseSet |= 0x00008000; hwcx->dwPrimitiveSet |= 0x08000000; } #endif } void sis_FrontFace (GLcontext * ctx, GLenum mode) { #ifdef SIS_USE_HW_CULL sis_CullFace (ctx, ctx->Polygon.CullFaceMode); #endif } void sis_DepthFunc (GLcontext * ctx, GLenum func) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *prev = &hwcx->prev; __GLSiSHardware *current = &hwcx->current; GLuint hwZFunc = 0; switch (func) { case GL_LESS: hwZFunc = SiS_Z_COMP_S_LT_B; break; case GL_GEQUAL: hwZFunc = SiS_Z_COMP_S_GE_B; break; case GL_LEQUAL: hwZFunc = SiS_Z_COMP_S_LE_B; break; case GL_GREATER: hwZFunc = SiS_Z_COMP_S_GT_B; break; case GL_NOTEQUAL: hwZFunc = SiS_Z_COMP_S_NE_B; break; case GL_EQUAL: hwZFunc = SiS_Z_COMP_S_EQ_B; break; case GL_ALWAYS: hwZFunc = SiS_Z_COMP_ALWAYS; break; case GL_NEVER: hwZFunc = SiS_Z_COMP_NEVER; break; } current->hwZ &= ~MASK_ZTestMode; current->hwZ |= hwZFunc; if (current->hwZ ^ prev->hwZ) { prev->hwZ = current->hwZ; hwcx->GlobalFlag |= GFLAG_ZSETTING; } } void sis_DepthMask (GLcontext * ctx, GLboolean flag) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *prev = &hwcx->prev; __GLSiSHardware *current = &hwcx->current; if (ctx->Visual->StencilBits) { if (flag || ctx->Stencil.WriteMask) { current->hwCapEnable |= MASK_ZWriteEnable; if (flag && ctx->Stencil.WriteMask == 0xff) { current->hwCapEnable2 &= ~MASK_ZMaskWriteEnable; } else { current->hwCapEnable2 |= MASK_ZMaskWriteEnable; current->hwZMask = ((DWORD) ctx->Stencil.WriteMask << 24) | ((flag) ? 0x00ffffff : 0); if (current->hwZMask ^ prev->hwZMask) { prev->hwZMask = current->hwZMask; hwcx->GlobalFlag |= GFLAG_ZSETTING; } } } else { current->hwCapEnable &= ~MASK_ZWriteEnable; } } else { if (flag) { current->hwCapEnable |= MASK_ZWriteEnable; current->hwCapEnable2 &= ~MASK_ZMaskWriteEnable; } else { current->hwCapEnable &= ~MASK_ZWriteEnable; } } } void sis_DepthRange (GLcontext * ctx, GLclampd nearval, GLclampd farval) { /* mesa handles it? */ } void sis_Enable (GLcontext * ctx, GLenum cap, GLboolean state) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *current = &hwcx->current; switch (cap) { case GL_ALPHA_TEST: if (state) { current->hwCapEnable |= MASK_AlphaTestEnable; } else { current->hwCapEnable &= ~MASK_AlphaTestEnable; } break; /* case GL_AUTO_NORMAL: break; */ case GL_BLEND: /* TODO: */ if(state) /* if (state & !ctx->Color.ColorLogicOpEnabled) */ { current->hwCapEnable |= MASK_BlendEnable; } else { current->hwCapEnable &= ~MASK_BlendEnable; } break; /* case GL_CLIP_PLANE0: case GL_CLIP_PLANE1: case GL_CLIP_PLANE2: case GL_CLIP_PLANE3: case GL_CLIP_PLANE4: case GL_CLIP_PLANE5: break; case GL_COLOR_MATERIAL: break; */ case GL_CULL_FACE: #ifdef SIS_USE_HW_CULL if (state) { current->hwCapEnable |= MASK_CullEnable; } else { current->hwCapEnable &= ~MASK_CullEnable; } #endif break; case GL_DEPTH_TEST: if (state && xmesa->xm_buffer->depthbuffer) { current->hwCapEnable |= MASK_ZTestEnable; } else { current->hwCapEnable &= ~MASK_ZTestEnable; } break; case GL_DITHER: if (state) { current->hwCapEnable |= MASK_DitherEnable; } else { current->hwCapEnable &= ~MASK_DitherEnable; } break; /* case GL_FOG: break; case GL_LIGHT0: case GL_LIGHT1: case GL_LIGHT2: case GL_LIGHT3: case GL_LIGHT4: case GL_LIGHT5: case GL_LIGHT6: case GL_LIGHT7: break; case GL_LIGHTING: break; case GL_LINE_SMOOTH: break; case GL_LINE_STIPPLE: break; case GL_INDEX_LOGIC_OP: break; */ case GL_COLOR_LOGIC_OP: if (state) { sis_LogicOp (ctx, ctx->Color.LogicOp); } else { sis_LogicOp (ctx, GL_COPY); } break; /* case GL_MAP1_COLOR_4: break; case GL_MAP1_INDEX: break; case GL_MAP1_NORMAL: break; case GL_MAP1_TEXTURE_COORD_1: break; case GL_MAP1_TEXTURE_COORD_2: break; case GL_MAP1_TEXTURE_COORD_3: break; case GL_MAP1_TEXTURE_COORD_4: break; case GL_MAP1_VERTEX_3: break; case GL_MAP1_VERTEX_4: break; case GL_MAP2_COLOR_4: break; case GL_MAP2_INDEX: break; case GL_MAP2_NORMAL: break; case GL_MAP2_TEXTURE_COORD_1: break; case GL_MAP2_TEXTURE_COORD_2: break; case GL_MAP2_TEXTURE_COORD_3: break; case GL_MAP2_TEXTURE_COORD_4: break; case GL_MAP2_VERTEX_3: break; case GL_MAP2_VERTEX_4: break; case GL_NORMALIZE: break; case GL_POINT_SMOOTH: break; case GL_POLYGON_SMOOTH: break; case GL_POLYGON_STIPPLE: break; case GL_POLYGON_OFFSET_POINT: break; case GL_POLYGON_OFFSET_LINE: break; case GL_POLYGON_OFFSET_FILL: case GL_POLYGON_OFFSET_EXT: break; case GL_RESCALE_NORMAL_EXT: break; */ case GL_SCISSOR_TEST: sis_set_scissor (ctx); break; /* case GL_SHARED_TEXTURE_PALETTE_EXT: break; */ case GL_STENCIL_TEST: if (state) { current->hwCapEnable |= (MASK_StencilTestEnable | MASK_StencilWriteEnable); } else { current->hwCapEnable &= ~(MASK_StencilTestEnable | MASK_StencilWriteEnable); } break; /* case GL_TEXTURE_1D: case GL_TEXTURE_2D: case GL_TEXTURE_3D: break; case GL_TEXTURE_GEN_Q: break; case GL_TEXTURE_GEN_R: break; case GL_TEXTURE_GEN_S: break; case GL_TEXTURE_GEN_T: break; case GL_VERTEX_ARRAY: break; case GL_NORMAL_ARRAY: break; case GL_COLOR_ARRAY: break; case GL_INDEX_ARRAY: break; case GL_TEXTURE_COORD_ARRAY: break; case GL_EDGE_FLAG_ARRAY: break; */ } } void sis_Hint (GLcontext * ctx, GLenum target, GLenum mode) { #if 0 XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *current = &hwcx->current; #endif switch (target) { case GL_FOG_HINT: switch (mode) { case GL_DONT_CARE: break; case GL_FASTEST: /* vertex fog */ /* TODO */ break; case GL_NICEST: /* pixel fog */ break; } break; case GL_LINE_SMOOTH_HINT: break; case GL_PERSPECTIVE_CORRECTION_HINT: #if 0 if (mode == GL_NICEST) current->hwCapEnable |= MASK_TexturePerspectiveEnable; else if (!(ctx->RasterMask & FOG_BIT)) current->hwCapEnable &= ~MASK_TexturePerspectiveEnable; #endif break; case GL_POINT_SMOOTH_HINT: break; case GL_POLYGON_SMOOTH_HINT: break; } } void sis_Lightfv (GLcontext * ctx, GLenum light, GLenum pname, const GLfloat * params, GLint nparams) { } void sis_LightModelfv (GLcontext * ctx, GLenum pname, const GLfloat * params) { } void sis_PolygonMode (GLcontext * ctx, GLenum face, GLenum mode) { } void sis_Scissor (GLcontext * ctx, GLint x, GLint y, GLsizei w, GLsizei h) { if (ctx->Scissor.Enabled) sis_set_scissor (ctx); } void sis_ShadeModel (GLcontext * ctx, GLenum mode) { } void sis_Viewport (GLcontext * ctx, GLint x, GLint y, GLsizei w, GLsizei h) { } void sis_ClearColor (GLcontext * ctx, GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; set_color_pattern (hwcx, red, green, blue, alpha); } /* TODO */ void sis_ClearIndex (GLcontext * ctx, GLuint index) { } void sis_set_render_pos(GLcontext * ctx, GLubyte *base, GLuint pitch) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *prev = &hwcx->prev; __GLSiSHardware *current = &hwcx->current; assert (base != NULL); if (SIS_VERBOSE&VERBOSE_SIS_BUFFER){ fprintf(stderr, "set drawing position: base=%x, pitch=%lu\n", (unsigned long)base, pitch); } /* software render */ hwcx->swRenderBase = base; hwcx->swRenderPitch = pitch; current->hwOffsetDest = ((DWORD) base - (DWORD) GET_FbBase (hwcx)) >> 1; current->hwDstSet &= ~MASK_DstBufferPitch; current->hwDstSet |= pitch >> 2; /* destination setting */ if (current->hwDstSet ^ prev->hwDstSet) { prev->hwDstSet = current->hwDstSet; hwcx->GlobalFlag |= GFLAG_DESTSETTING; } if (current->hwOffsetDest ^ prev->hwOffsetDest) { prev->hwOffsetDest = current->hwOffsetDest; hwcx->GlobalFlag |= GFLAG_DESTSETTING; } } GLboolean sis_SetDrawBuffer (GLcontext * ctx, GLenum mode) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; XMesaBuffer xm_buffer = xmesa->xm_buffer; GLubyte *base; GLuint pitch; GLboolean retval = GL_FALSE; /* if new context bind, the function will be call? */ switch (mode) { case GL_BACK_LEFT: base = (GLubyte *) xm_buffer->backimage->data; pitch = xm_buffer->backimage->bytes_per_line; retval = GL_TRUE; break; case GL_FRONT_LEFT: base = sis_get_drawable_pos (xmesa); pitch = GET_PITCH (hwcx); retval = GL_TRUE; break; case GL_BACK_RIGHT: case GL_FRONT_RIGHT: default: assert (0); return GL_FALSE; } sis_set_render_pos(ctx, base, pitch); return retval; } void sis_SetReadBuffer (GLcontext *ctx, GLframebuffer *colorBuffer, GLenum buffer) { /* TODO */ } GLboolean sis_ColorMask (GLcontext * ctx, GLboolean rmask, GLboolean gmask, GLboolean bmask, GLboolean amask) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *prev = &hwcx->prev; __GLSiSHardware *current = &hwcx->current; if (rmask & gmask & bmask & (!ctx->Visual->AlphaBits | amask)) { current->hwCapEnable2 &= ~(MASK_AlphaMaskWriteEnable | MASK_ColorMaskWriteEnable); } else { current->hwCapEnable2 |= (MASK_AlphaMaskWriteEnable | MASK_ColorMaskWriteEnable); current->hwDstMask = (rmask) ? GET_RMASK (hwcx) : 0 | (gmask) ? GET_GMASK (hwcx) : 0 | (bmask) ? GET_BMASK (hwcx) : 0 | (amask) ? GET_AMASK (hwcx) : 0; } if (current->hwDstMask ^ prev->hwDstMask) { prev->hwDstMask = current->hwDstMask; hwcx->GlobalFlag |= GFLAG_DESTSETTING; } return GL_TRUE; } GLboolean sis_LogicOp (GLcontext * ctx, GLenum op) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *prev = &hwcx->prev; __GLSiSHardware *current = &hwcx->current; if (ctx->Color.ColorLogicOpEnabled) { current->hwDstSet &= ~MASK_ROP2; switch (op) { case GL_CLEAR: current->hwDstSet |= LOP_CLEAR; break; case GL_SET: current->hwDstSet |= LOP_SET; break; case GL_COPY: current->hwDstSet |= LOP_COPY; break; case GL_COPY_INVERTED: current->hwDstSet |= LOP_COPY_INVERTED; break; case GL_NOOP: current->hwDstSet |= LOP_NOOP; break; case GL_INVERT: current->hwDstSet |= LOP_INVERT; break; case GL_AND: current->hwDstSet |= LOP_AND; break; case GL_NAND: current->hwDstSet |= LOP_NAND; break; case GL_OR: current->hwDstSet |= LOP_OR; break; case GL_NOR: current->hwDstSet |= LOP_NOR; break; case GL_XOR: current->hwDstSet |= LOP_XOR; break; case GL_EQUIV: current->hwDstSet |= LOP_EQUIV; break; case GL_AND_REVERSE: current->hwDstSet |= LOP_AND_REVERSE; break; case GL_AND_INVERTED: current->hwDstSet |= LOP_AND_INVERTED; break; case GL_OR_REVERSE: current->hwDstSet |= LOP_OR_REVERSE; break; case GL_OR_INVERTED: current->hwDstSet |= LOP_OR_INVERTED; break; } if (current->hwDstSet ^ prev->hwDstSet) { prev->hwDstSet = current->hwDstSet; hwcx->GlobalFlag |= GFLAG_DESTSETTING; } } return GL_TRUE; } void sis_Dither (GLcontext * ctx, GLboolean enable) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *current = &hwcx->current; if (enable) { current->hwCapEnable |= MASK_DitherEnable; } else { current->hwCapEnable &= ~MASK_DitherEnable; } } GLint sis_GetParameteri (const GLcontext * ctx, GLint param) { switch (param) { case DD_HAVE_HARDWARE_FOG: /* * fragment fogging is not free when compared with hardware * vertex fogging because of the overhead of W */ return 0; /* case DD_MAX_TEXTURE_SIZE: return SIS_MAX_TEXTURE_SIZE; case DD_MAX_TEXTURES: return SIS_MAX_TEXTURES; */ } return 0; } /* just sync between CPU and rendering-engine */ GLboolean sis_DrawPixels (GLcontext * ctx, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, const struct gl_pixelstore_attrib *unpack, const GLvoid * pixels) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; WaitEngIdle (hwcx); return 0; } GLboolean sis_Bitmap (GLcontext * ctx, GLint x, GLint y, GLsizei width, GLsizei height, const struct gl_pixelstore_attrib *unpack, const GLubyte * bitmap) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; ctx->Driver.RenderStart( ctx ); WaitEngIdle (hwcx); /* TODO: use tdfx's Bitmap */ ctx->Driver.RenderFinish( ctx ); return 0; } void set_color_pattern (__GLSiScontext * hwcx, GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha) { /* XXX only RGB565 and ARGB8888 */ switch (GET_ColorFormat (hwcx)) { case DST_FORMAT_ARGB_8888: hwcx->clearColorPattern = (alpha << 24) + (red << 16) + (green << 8) + (blue); break; case DST_FORMAT_RGB_565: hwcx->clearColorPattern = ((red >> 3) << 11) + ((green >> 2) << 5) + (blue >> 3); hwcx->clearColorPattern |= hwcx->clearColorPattern << 16; break; default: assert (0); } } void set_z_stencil_pattern (__GLSiScontext * hwcx, GLclampd z, int stencil) { GLuint zPattern, stencilPattern; GLboolean dword_pattern; if (z <= (float) 0.0) zPattern = 0x0; else if (z >= (float) 1.0) zPattern = 0xFFFFFFFF; else zPattern = doFPtoFixedNoRound (*(DWORD *) & z, 32); stencilPattern = 0; switch (hwcx->zFormat) { case Z_16: zPattern = zPattern >> 16; zPattern &= 0x0000FFFF; dword_pattern = GL_FALSE; break; case S_8_Z_24: zPattern = zPattern >> 8; zPattern &= 0x00FFFFFF; stencilPattern = (stencilPattern << 24); dword_pattern = GL_TRUE; break; case Z_32: dword_pattern = GL_TRUE; break; default: assert (0); } hwcx->clearZStencilPattern = zPattern | stencilPattern; /* ?? */ if (!dword_pattern) hwcx->clearZStencilPattern |= (zPattern | stencilPattern) << 16; } void sis_update_drawable_state (GLcontext * ctx) { const XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *current = &hwcx->current; __GLSiSHardware *prev = &hwcx->prev; XMesaBuffer xm_buffer = xmesa->xm_buffer; GLuint z_depth; sis_SetDrawBuffer (ctx, ctx->Color.DriverDrawBuffer); /* TODO: call sis_SetReadBuffer? */ switch (hwcx->zFormat) { case Z_16: z_depth = 2; break; case Z_32: case S_8_Z_24: z_depth = 4; break; default: assert (0); } current->hwZ &= ~MASK_ZBufferPitch; current->hwZ |= xm_buffer->width * z_depth >> 2; /* TODO, in xfree 3.9.18, no ctx->Buffer */ current->hwOffsetZ = ((DWORD) (xm_buffer->depthbuffer) - (DWORD) GET_FbBase (hwcx)) >> 2; if ((current->hwOffsetZ ^ prev->hwOffsetZ) || (current->hwZ ^ prev->hwZ)) { prev->hwOffsetZ = current->hwOffsetZ; prev->hwZ = current->hwZ; /* Z setting */ hwcx->GlobalFlag |= GFLAG_ZSETTING; } } void sis_GetBufferSize (GLcontext * ctx, GLuint * width, GLuint * height) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *current = &hwcx->current; __GLSiSHardware *prev = &hwcx->prev; GLuint winwidth, winheight; XMesaBuffer xm_buffer = xmesa->xm_buffer; #ifndef XFree86Server SIS_VALIDATE_DRAWABLE_INFO (xmesa->display, xmesa->driContextPriv->driScreenPriv, xmesa->driContextPriv->driDrawablePriv); #endif sis_get_drawable_size (xmesa, &winwidth, &winheight); *width = winwidth; *height = winheight; if (winwidth != xm_buffer->width || winheight != xm_buffer->height) { GLuint z_depth; if (SIS_VERBOSE&VERBOSE_SIS_BUFFER) { fprintf(stderr, "GetBufferSize: before=(%d,%d), after=(%d,%d)\n", xm_buffer->width, xm_buffer->height, winwidth, winheight); } xm_buffer->width = winwidth; xm_buffer->height = winheight; /* update hwcx->isFullScreen */ /* TODO: Does X-server have exclusive-mode? */ /* TODO: physical screen width/height will be changed dynamicly */ #if SIS_STEREO if((hwcx->virtualX == winwidth) && (hwcx->virtualY == winheight)) hwcx->isFullScreen = GL_TRUE; else hwcx->isFullScreen = GL_FALSE; #endif if (xm_buffer->db_state) { sisBufferInfo *priv = (sisBufferInfo *) xm_buffer->private; sis_alloc_back_image (ctx, xm_buffer->backimage, &priv->bbFree, &priv->cbClearPacket); } if (ctx->Visual->DepthBits) sis_alloc_z_stencil_buffer (ctx); switch (hwcx->zFormat) { case Z_16: z_depth = 2; break; case Z_32: case S_8_Z_24: z_depth = 4; break; default: assert (0); } sis_SetDrawBuffer (ctx, ctx->Color.DriverDrawBuffer); /* TODO: call sis_SetReadBuffer? */ current->hwZ &= ~MASK_ZBufferPitch; current->hwZ |= xm_buffer->width * z_depth >> 2; /* TODO, in xfree 3.9.18, no ctx->Buffer */ current->hwOffsetZ = ((DWORD) (xm_buffer->depthbuffer) - (DWORD) GET_FbBase (hwcx)) >> 2; if ((current->hwOffsetZ ^ prev->hwOffsetZ) || (current->hwZ ^ prev->hwZ)) { prev->hwOffsetZ = current->hwOffsetZ; prev->hwZ = current->hwZ; /* Z setting */ hwcx->GlobalFlag |= GFLAG_ZSETTING; } } /* Needed by Y_FLIP macro */ xm_buffer->bottom = (int) winheight - 1; sis_set_scissor (ctx); } const GLubyte * sis_GetString (GLcontext * ctx, GLenum name) { (void) ctx; switch (name) { case GL_RENDERER: #ifdef XFree86Server return (GLubyte *)"SIS 300/630/530 IR Mode"; #else return (GLubyte *)"SiS 300/630/530 DR Mode"; #endif default: return NULL; } } const char * sis_ExtensionString (GLcontext * ctx) { return NULL; } void sis_set_scissor (GLcontext * ctx) { XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; __GLSiScontext *hwcx = (__GLSiScontext *) xmesa->private; __GLSiSHardware *prev = &hwcx->prev; __GLSiSHardware *current = &hwcx->current; GLint x1, y1, x2, y2; /* ?? from context.c, do it 2 times */ x1 = 0; y1 = 0; x2 = xmesa->xm_buffer->width - 1; y2 = xmesa->xm_buffer->height - 1; if (ctx->Scissor.Enabled) { if (ctx->Scissor.X > x1) { x1 = ctx->Scissor.X; } if (ctx->Scissor.Y > y1) { y1 = ctx->Scissor.Y; } if (ctx->Scissor.X + ctx->Scissor.Width - 1 < x2) { x2 = ctx->Scissor.X + ctx->Scissor.Width - 1; } if (ctx->Scissor.Y + ctx->Scissor.Height - 1 < y2) { y2 = ctx->Scissor.Y + ctx->Scissor.Height - 1; } } y1 = Y_FLIP (y1); y2 = Y_FLIP (y2); current->clipTopBottom = (y2 << 13) | y1; current->clipLeftRight = (x1 << 13) | x2; if ((current->clipTopBottom ^ prev->clipTopBottom) || (current->clipLeftRight ^ prev->clipLeftRight)) { prev->clipTopBottom = current->clipTopBottom; prev->clipLeftRight = current->clipLeftRight; hwcx->GlobalFlag |= GFLAG_CLIPPING; } }