diff options
Diffstat (limited to 'src/mesa/drivers/dri/savage/savagestate.c')
| -rw-r--r-- | src/mesa/drivers/dri/savage/savagestate.c | 1731 |
1 files changed, 0 insertions, 1731 deletions
diff --git a/src/mesa/drivers/dri/savage/savagestate.c b/src/mesa/drivers/dri/savage/savagestate.c deleted file mode 100644 index 21ebf5dc2b2..00000000000 --- a/src/mesa/drivers/dri/savage/savagestate.c +++ /dev/null @@ -1,1731 +0,0 @@ -/* - * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. - * Copyright 2001-2003 S3 Graphics, Inc. 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 - * VIA, S3 GRAPHICS, 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. - */ - - -#include <stdio.h> - -#include "main/mtypes.h" -#include "main/enums.h" -#include "main/macros.h" -#include "main/dd.h" -#include "main/mm.h" -#include "main/state.h" - -#include "savagedd.h" -#include "savagecontext.h" - -#include "savagestate.h" -#include "savagetex.h" -#include "savagetris.h" -#include "savageioctl.h" -#include "savage_bci.h" - -#include "swrast/swrast.h" -#include "vbo/vbo.h" -#include "tnl/tnl.h" -#include "swrast_setup/swrast_setup.h" - -#include "xmlpool.h" - -/* Savage4, ProSavage[DDR], SuperSavage watermarks */ -#define S4_ZRLO 24 -#define S4_ZRHI 24 -#define S4_ZWLO 0 -#define S4_ZWHI 0 - -#define S4_DRLO 0 -#define S4_DRHI 0 -#define S4_DWLO 0 -#define S4_DWHI 0 - -#define S4_TR 15 - -/* Savage3D/MX/IX watermarks */ -#define S3D_ZRLO 8 -#define S3D_ZRHI 24 -#define S3D_ZWLO 0 -#define S3D_ZWHI 24 - -#define S3D_DRLO 0 -#define S3D_DRHI 0 -#define S3D_DWLO 0 -#define S3D_DWHI 0 - -#define S3D_TR 15 - -static void savageBlendFunc_s4(struct gl_context *); -static void savageBlendFunc_s3d(struct gl_context *); - -static INLINE GLuint savagePackColor(GLuint format, - GLubyte r, GLubyte g, - GLubyte b, GLubyte a) -{ - switch (format) { - case DV_PF_8888: - return SAVAGEPACKCOLOR8888(r,g,b,a); - case DV_PF_565: - return SAVAGEPACKCOLOR565(r,g,b); - default: - - return 0; - } -} - - -static void savageDDAlphaFunc_s4(struct gl_context *ctx, GLenum func, GLfloat ref) -{ - savageBlendFunc_s4(ctx); -} -static void savageDDAlphaFunc_s3d(struct gl_context *ctx, GLenum func, GLfloat ref) -{ - savageBlendFunc_s3d(ctx); -} - -static void savageDDBlendEquationSeparate(struct gl_context *ctx, - GLenum modeRGB, GLenum modeA) -{ - assert( modeRGB == modeA ); - - /* BlendEquation sets ColorLogicOpEnabled in an unexpected - * manner. - */ - FALLBACK( ctx, SAVAGE_FALLBACK_LOGICOP, - (ctx->Color.ColorLogicOpEnabled && - ctx->Color.LogicOp != GL_COPY)); - - /* Can only do blend addition, not min, max, subtract, etc. */ - FALLBACK( ctx, SAVAGE_FALLBACK_BLEND_EQ, - modeRGB != GL_FUNC_ADD); -} - - -static void savageBlendFunc_s4(struct gl_context *ctx) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - uint32_t drawLocalCtrl = imesa->regs.s4.drawLocalCtrl.ui; - uint32_t drawCtrl0 = imesa->regs.s4.drawCtrl0.ui; - uint32_t drawCtrl1 = imesa->regs.s4.drawCtrl1.ui; - - /* set up draw control register (including blending, alpha - * test, and shading model) - */ - - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites = GL_FALSE; - - /* - * blend modes - */ - if(ctx->Color.BlendEnabled){ - switch (ctx->Color.Blend[0].DstRGB) - { - case GL_ZERO: - imesa->regs.s4.drawLocalCtrl.ni.dstAlphaMode = DAM_Zero; - break; - - case GL_ONE: - imesa->regs.s4.drawLocalCtrl.ni.dstAlphaMode = DAM_One; - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_SRC_COLOR: - imesa->regs.s4.drawLocalCtrl.ni.dstAlphaMode = DAM_SrcClr; - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_ONE_MINUS_SRC_COLOR: - imesa->regs.s4.drawLocalCtrl.ni.dstAlphaMode = DAM_1SrcClr; - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_SRC_ALPHA: - imesa->regs.s4.drawLocalCtrl.ni.dstAlphaMode = DAM_SrcAlpha; - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_ONE_MINUS_SRC_ALPHA: - imesa->regs.s4.drawLocalCtrl.ni.dstAlphaMode = DAM_1SrcAlpha; - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_DST_ALPHA: - if (imesa->glCtx->Visual.alphaBits == 0) - { - imesa->regs.s4.drawLocalCtrl.ni.dstAlphaMode = DAM_One; - } - else - { - imesa->regs.s4.drawLocalCtrl.ni.dstAlphaMode= DAM_DstAlpha; - } - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_ONE_MINUS_DST_ALPHA: - if (imesa->glCtx->Visual.alphaBits == 0) - { - imesa->regs.s4.drawLocalCtrl.ni.dstAlphaMode = DAM_Zero; - } - else - { - imesa->regs.s4.drawLocalCtrl.ni.dstAlphaMode=DAM_1DstAlpha; - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites= GL_TRUE; - } - break; - } - - switch (ctx->Color.Blend[0].SrcRGB) - { - case GL_ZERO: - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode = SAM_Zero; - break; - - case GL_ONE: - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode = SAM_One; - break; - - case GL_DST_COLOR: - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode = SAM_DstClr; - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_ONE_MINUS_DST_COLOR: - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode = SAM_1DstClr; - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_SRC_ALPHA: - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode = SAM_SrcAlpha; - break; - - case GL_ONE_MINUS_SRC_ALPHA: - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode = SAM_1SrcAlpha; - break; - - case GL_DST_ALPHA: - if (imesa->glCtx->Visual.alphaBits == 0) - { - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode = SAM_One; - } - else - { - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode= SAM_DstAlpha; - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites= GL_TRUE; - } - break; - - case GL_ONE_MINUS_DST_ALPHA: - if (imesa->glCtx->Visual.alphaBits == 0) - { - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode = SAM_Zero; - } - else - { - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode=SAM_1DstAlpha; - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites= GL_TRUE; - } - break; - } - } - else - { - imesa->regs.s4.drawLocalCtrl.ni.dstAlphaMode = DAM_Zero; - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode = SAM_One; - } - - /* alpha test*/ - - if(ctx->Color.AlphaEnabled) - { - ACmpFunc a; - GLubyte alphaRef; - - CLAMPED_FLOAT_TO_UBYTE(alphaRef,ctx->Color.AlphaRef); - - switch(ctx->Color.AlphaFunc) { - case GL_NEVER: a = CF_Never; break; - case GL_ALWAYS: a = CF_Always; break; - case GL_LESS: a = CF_Less; break; - case GL_LEQUAL: a = CF_LessEqual; break; - case GL_EQUAL: a = CF_Equal; break; - case GL_GREATER: a = CF_Greater; break; - case GL_GEQUAL: a = CF_GreaterEqual; break; - case GL_NOTEQUAL: a = CF_NotEqual; break; - default:return; - } - - imesa->regs.s4.drawCtrl1.ni.alphaTestEn = GL_TRUE; - imesa->regs.s4.drawCtrl1.ni.alphaTestCmpFunc = a; - imesa->regs.s4.drawCtrl0.ni.alphaRefVal = alphaRef; - } - else - { - imesa->regs.s4.drawCtrl1.ni.alphaTestEn = GL_FALSE; - } - - /* Set/Reset Z-after-alpha*/ - - imesa->regs.s4.drawLocalCtrl.ni.wrZafterAlphaTst = - imesa->regs.s4.drawCtrl1.ni.alphaTestEn; - /*imesa->regs.s4.drawLocalCtrl.ni.zUpdateEn = - ~drawLocalCtrl.ni.wrZafterAlphaTst;*/ - - if (drawLocalCtrl != imesa->regs.s4.drawLocalCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; - if (drawCtrl0 != imesa->regs.s4.drawCtrl0.ui || - drawCtrl1 != imesa->regs.s4.drawCtrl1.ui) - imesa->dirty |= SAVAGE_UPLOAD_GLOBAL; -} -static void savageBlendFunc_s3d(struct gl_context *ctx) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - uint32_t drawCtrl = imesa->regs.s3d.drawCtrl.ui; - uint32_t zBufCtrl = imesa->regs.s3d.zBufCtrl.ui; - - /* set up draw control register (including blending, alpha - * test, dithering, and shading model) - */ - - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = 0; - - /* - * blend modes - */ - if(ctx->Color.BlendEnabled){ - switch (ctx->Color.Blend[0].DstRGB) - { - case GL_ZERO: - imesa->regs.s3d.drawCtrl.ni.dstAlphaMode = DAM_Zero; - break; - - case GL_ONE: - imesa->regs.s3d.drawCtrl.ni.dstAlphaMode = DAM_One; - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_SRC_COLOR: - imesa->regs.s3d.drawCtrl.ni.dstAlphaMode = DAM_SrcClr; - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_ONE_MINUS_SRC_COLOR: - imesa->regs.s3d.drawCtrl.ni.dstAlphaMode = DAM_1SrcClr; - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_SRC_ALPHA: - imesa->regs.s3d.drawCtrl.ni.dstAlphaMode = DAM_SrcAlpha; - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_ONE_MINUS_SRC_ALPHA: - imesa->regs.s3d.drawCtrl.ni.dstAlphaMode = DAM_1SrcAlpha; - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_DST_ALPHA: - if (imesa->glCtx->Visual.alphaBits == 0) - { - imesa->regs.s3d.drawCtrl.ni.dstAlphaMode = DAM_One; - } - else - { - imesa->regs.s3d.drawCtrl.ni.dstAlphaMode = DAM_DstAlpha; - } - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_ONE_MINUS_DST_ALPHA: - if (imesa->glCtx->Visual.alphaBits == 0) - { - imesa->regs.s3d.drawCtrl.ni.dstAlphaMode = DAM_Zero; - } - else - { - imesa->regs.s3d.drawCtrl.ni.dstAlphaMode = DAM_1DstAlpha; - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - } - break; - } - - switch (ctx->Color.Blend[0].SrcRGB) - { - case GL_ZERO: - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_Zero; - break; - - case GL_ONE: - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_One; - break; - - case GL_DST_COLOR: - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_DstClr; - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_ONE_MINUS_DST_COLOR: - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_1DstClr; - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - break; - - case GL_SRC_ALPHA: - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_SrcAlpha; - break; - - case GL_ONE_MINUS_SRC_ALPHA: - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_1SrcAlpha; - break; - - case GL_DST_ALPHA: - if (imesa->glCtx->Visual.alphaBits == 0) - { - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_One; - } - else - { - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_DstAlpha; - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - } - break; - - case GL_ONE_MINUS_DST_ALPHA: - if (imesa->glCtx->Visual.alphaBits == 0) - { - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_Zero; - } - else - { - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_1DstAlpha; - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - } - break; - } - } - else - { - imesa->regs.s3d.drawCtrl.ni.dstAlphaMode = DAM_Zero; - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_One; - } - - /* alpha test*/ - - if(ctx->Color.AlphaEnabled) - { - ACmpFunc a; - GLubyte alphaRef; - - CLAMPED_FLOAT_TO_UBYTE(alphaRef,ctx->Color.AlphaRef); - - switch(ctx->Color.AlphaFunc) { - case GL_NEVER: a = CF_Never; break; - case GL_ALWAYS: a = CF_Always; break; - case GL_LESS: a = CF_Less; break; - case GL_LEQUAL: a = CF_LessEqual; break; - case GL_EQUAL: a = CF_Equal; break; - case GL_GREATER: a = CF_Greater; break; - case GL_GEQUAL: a = CF_GreaterEqual; break; - case GL_NOTEQUAL: a = CF_NotEqual; break; - default:return; - } - - imesa->regs.s3d.drawCtrl.ni.alphaTestEn = GL_TRUE; - imesa->regs.s3d.drawCtrl.ni.alphaTestCmpFunc = a; - imesa->regs.s3d.drawCtrl.ni.alphaRefVal = alphaRef; - } - else - { - imesa->regs.s3d.drawCtrl.ni.alphaTestEn = GL_FALSE; - } - - /* Set/Reset Z-after-alpha*/ - - imesa->regs.s3d.zBufCtrl.ni.wrZafterAlphaTst = - imesa->regs.s3d.drawCtrl.ni.alphaTestEn; - - if (drawCtrl != imesa->regs.s3d.drawCtrl.ui || - zBufCtrl != imesa->regs.s3d.zBufCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; -} - -static void savageDDBlendFuncSeparate_s4( struct gl_context *ctx, GLenum sfactorRGB, - GLenum dfactorRGB, GLenum sfactorA, - GLenum dfactorA ) -{ - assert (dfactorRGB == dfactorA && sfactorRGB == sfactorA); - savageBlendFunc_s4( ctx ); -} -static void savageDDBlendFuncSeparate_s3d( struct gl_context *ctx, GLenum sfactorRGB, - GLenum dfactorRGB, GLenum sfactorA, - GLenum dfactorA ) -{ - assert (dfactorRGB == dfactorA && sfactorRGB == sfactorA); - savageBlendFunc_s3d( ctx ); -} - - - -static void savageDDDepthFunc_s4(struct gl_context *ctx, GLenum func) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - ZCmpFunc zmode; - uint32_t drawLocalCtrl = imesa->regs.s4.drawLocalCtrl.ui; - uint32_t zBufCtrl = imesa->regs.s4.zBufCtrl.ui; - uint32_t zWatermarks = imesa->regs.s4.zWatermarks.ui; /* FIXME: in DRM */ - - /* set up z-buffer control register (global) - * set up z-buffer offset register (global) - * set up z read/write watermarks register (global) - */ - - switch(func) { /* reversed (see savageCalcViewport) */ - case GL_NEVER: zmode = CF_Never; break; - case GL_ALWAYS: zmode = CF_Always; break; - case GL_LESS: zmode = CF_Greater; break; - case GL_LEQUAL: zmode = CF_GreaterEqual; break; - case GL_EQUAL: zmode = CF_Equal; break; - case GL_GREATER: zmode = CF_Less; break; - case GL_GEQUAL: zmode = CF_LessEqual; break; - case GL_NOTEQUAL: zmode = CF_NotEqual; break; - default:return; - } - if (ctx->Depth.Test) - { - - imesa->regs.s4.zBufCtrl.ni.zCmpFunc = zmode; - imesa->regs.s4.drawLocalCtrl.ni.zUpdateEn = ctx->Depth.Mask; - imesa->regs.s4.drawLocalCtrl.ni.flushPdZbufWrites = GL_TRUE; - imesa->regs.s4.zBufCtrl.ni.zBufEn = GL_TRUE; - } - else if (imesa->glCtx->Stencil._Enabled && imesa->hw_stencil) - { - /* Need to keep Z on for Stencil. */ - imesa->regs.s4.zBufCtrl.ni.zCmpFunc = CF_Always; - imesa->regs.s4.zBufCtrl.ni.zBufEn = GL_TRUE; - imesa->regs.s4.drawLocalCtrl.ni.zUpdateEn = GL_FALSE; - imesa->regs.s4.drawLocalCtrl.ni.flushPdZbufWrites = GL_FALSE; - } - else - { - - if (imesa->regs.s4.drawLocalCtrl.ni.drawUpdateEn == GL_FALSE) - { - imesa->regs.s4.zBufCtrl.ni.zCmpFunc = CF_Always; - imesa->regs.s4.zBufCtrl.ni.zBufEn = GL_TRUE; - } - else - - /* DRAWUPDATE_REQUIRES_Z_ENABLED*/ - { - imesa->regs.s4.zBufCtrl.ni.zBufEn = GL_FALSE; - } - imesa->regs.s4.drawLocalCtrl.ni.zUpdateEn = GL_FALSE; - imesa->regs.s4.drawLocalCtrl.ni.flushPdZbufWrites = GL_FALSE; - } - - if (drawLocalCtrl != imesa->regs.s4.drawLocalCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; - if (zBufCtrl != imesa->regs.s4.zBufCtrl.ui || - zWatermarks != imesa->regs.s4.zWatermarks.ui) - imesa->dirty |= SAVAGE_UPLOAD_GLOBAL; -} -static void savageDDDepthFunc_s3d(struct gl_context *ctx, GLenum func) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - ZCmpFunc zmode; - uint32_t drawCtrl = imesa->regs.s3d.drawCtrl.ui; - uint32_t zBufCtrl = imesa->regs.s3d.zBufCtrl.ui; - uint32_t zWatermarks = imesa->regs.s3d.zWatermarks.ui; /* FIXME: in DRM */ - - /* set up z-buffer control register (global) - * set up z-buffer offset register (global) - * set up z read/write watermarks register (global) - */ - switch(func) { /* reversed (see savageCalcViewport) */ - case GL_NEVER: zmode = CF_Never; break; - case GL_ALWAYS: zmode = CF_Always; break; - case GL_LESS: zmode = CF_Greater; break; - case GL_LEQUAL: zmode = CF_GreaterEqual; break; - case GL_EQUAL: zmode = CF_Equal; break; - case GL_GREATER: zmode = CF_Less; break; - case GL_GEQUAL: zmode = CF_LessEqual; break; - case GL_NOTEQUAL: zmode = CF_NotEqual; break; - default:return; - } - if (ctx->Depth.Test) - { - imesa->regs.s3d.zBufCtrl.ni.zBufEn = GL_TRUE; - imesa->regs.s3d.zBufCtrl.ni.zCmpFunc = zmode; - imesa->regs.s3d.zBufCtrl.ni.zUpdateEn = ctx->Depth.Mask; - - imesa->regs.s3d.drawCtrl.ni.flushPdZbufWrites = GL_TRUE; - } - else - { - if (imesa->regs.s3d.zBufCtrl.ni.drawUpdateEn == GL_FALSE) { - imesa->regs.s3d.zBufCtrl.ni.zCmpFunc = CF_Always; - imesa->regs.s3d.zBufCtrl.ni.zBufEn = GL_TRUE; - } - else - - /* DRAWUPDATE_REQUIRES_Z_ENABLED*/ - { - imesa->regs.s3d.zBufCtrl.ni.zBufEn = GL_FALSE; - } - imesa->regs.s3d.zBufCtrl.ni.zUpdateEn = GL_FALSE; - imesa->regs.s3d.drawCtrl.ni.flushPdZbufWrites = GL_FALSE; - } - - if (drawCtrl != imesa->regs.s3d.drawCtrl.ui || - zBufCtrl != imesa->regs.s3d.zBufCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; - if (zWatermarks != imesa->regs.s3d.zWatermarks.ui) - imesa->dirty |= SAVAGE_UPLOAD_GLOBAL; -} - -static void savageDDDepthMask_s4(struct gl_context *ctx, GLboolean flag) -{ - savageDDDepthFunc_s4(ctx,ctx->Depth.Func); -} -static void savageDDDepthMask_s3d(struct gl_context *ctx, GLboolean flag) -{ - savageDDDepthFunc_s3d(ctx,ctx->Depth.Func); -} - - - - -/* ============================================================= - * Hardware clipping - */ - - -static void savageDDScissor( struct gl_context *ctx, GLint x, GLint y, - GLsizei w, GLsizei h ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - - /* Emit buffered commands with old scissor state. */ - FLUSH_BATCH(imesa); - - /* Mirror scissors in private context. */ - imesa->scissor.enabled = ctx->Scissor.Enabled; - imesa->scissor.x = x; - imesa->scissor.y = y; - imesa->scissor.w = w; - imesa->scissor.h = h; -} - - - -static void savageDDDrawBuffer(struct gl_context *ctx, GLenum mode ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - uint32_t destCtrl = imesa->regs.s4.destCtrl.ui; - - if (ctx->DrawBuffer->_NumColorDrawBuffers != 1) { - FALLBACK( ctx, SAVAGE_FALLBACK_DRAW_BUFFER, GL_TRUE ); - return; - } - - switch ( ctx->DrawBuffer->_ColorDrawBufferIndexes[0] ) { - case BUFFER_FRONT_LEFT: - imesa->IsDouble = GL_FALSE; - imesa->regs.s4.destCtrl.ni.offset = imesa->savageScreen->frontOffset>>11; - break; - case BUFFER_BACK_LEFT: - imesa->IsDouble = GL_TRUE; - imesa->regs.s4.destCtrl.ni.offset = imesa->savageScreen->backOffset>>11; - break; - default: - FALLBACK( ctx, SAVAGE_FALLBACK_DRAW_BUFFER, GL_TRUE ); - return; - } - - imesa->NotFirstFrame = GL_FALSE; - savageXMesaSetClipRects(imesa); - FALLBACK(ctx, SAVAGE_FALLBACK_DRAW_BUFFER, GL_FALSE); - - if (destCtrl != imesa->regs.s4.destCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_GLOBAL; -} - -static void savageDDReadBuffer(struct gl_context *ctx, GLenum mode ) -{ - /* nothing, until we implement h/w glRead/CopyPixels or CopyTexImage */ -} - -#if 0 -static void savageDDSetColor(struct gl_context *ctx, - GLubyte r, GLubyte g, - GLubyte b, GLubyte a ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - imesa->MonoColor = savagePackColor( imesa->savageScreen->frontFormat, r, g, b, a ); -} -#endif - -/* ============================================================= - * Window position and viewport transformation - */ - -void savageCalcViewport( struct gl_context *ctx ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - const GLfloat *v = ctx->Viewport._WindowMap.m; - GLfloat *m = imesa->hw_viewport; - - m[MAT_SX] = v[MAT_SX]; - m[MAT_TX] = v[MAT_TX] + imesa->drawX + SUBPIXEL_X; - m[MAT_SY] = - v[MAT_SY]; - m[MAT_TY] = - v[MAT_TY] + imesa->driDrawable->h + imesa->drawY + SUBPIXEL_Y; - /* Depth range is reversed (far: 0, near: 1) so that float depth - * compensates for loss of accuracy of far coordinates. */ - if (imesa->float_depth && imesa->savageScreen->zpp == 2) { - /* The Savage 16-bit floating point depth format can't encode - * numbers < 2^-16. Make sure all depth values stay greater - * than that. */ - m[MAT_SZ] = - v[MAT_SZ] * imesa->depth_scale * (65535.0/65536.0); - m[MAT_TZ] = 1.0 - v[MAT_TZ] * imesa->depth_scale * (65535.0/65536.0); - } else { - m[MAT_SZ] = - v[MAT_SZ] * imesa->depth_scale; - m[MAT_TZ] = 1.0 - v[MAT_TZ] * imesa->depth_scale; - } - - imesa->SetupNewInputs = ~0; -} - -static void savageViewport( struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height ) -{ - savageCalcViewport( ctx ); -} - -static void savageDepthRange( struct gl_context *ctx, - GLclampd nearval, GLclampd farval ) -{ - savageCalcViewport( ctx ); -} - - -/* ============================================================= - * Miscellaneous - */ - -static void savageDDClearColor(struct gl_context *ctx, - const GLfloat color[4] ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - GLubyte c[4]; - CLAMPED_FLOAT_TO_UBYTE(c[0], color[0]); - CLAMPED_FLOAT_TO_UBYTE(c[1], color[1]); - CLAMPED_FLOAT_TO_UBYTE(c[2], color[2]); - CLAMPED_FLOAT_TO_UBYTE(c[3], color[3]); - - imesa->ClearColor = savagePackColor( imesa->savageScreen->frontFormat, - c[0], c[1], c[2], c[3] ); -} - -/* Fallback to swrast for select and feedback. - */ -static void savageRenderMode( struct gl_context *ctx, GLenum mode ) -{ - FALLBACK( ctx, SAVAGE_FALLBACK_RENDERMODE, (mode != GL_RENDER) ); -} - - -#if HW_CULL - -/* ============================================================= - * Culling - the savage isn't quite as clean here as the rest of - * its interfaces, but it's not bad. - */ -static void savageDDCullFaceFrontFace(struct gl_context *ctx, GLenum unused) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - GLuint cullMode=imesa->LcsCullMode; - switch (ctx->Polygon.CullFaceMode) - { - case GL_FRONT: - switch (ctx->Polygon.FrontFace) - { - case GL_CW: - cullMode = BCM_CW; - break; - case GL_CCW: - cullMode = BCM_CCW; - break; - } - break; - - case GL_BACK: - switch (ctx->Polygon.FrontFace) - { - case GL_CW: - cullMode = BCM_CCW; - break; - case GL_CCW: - cullMode = BCM_CW; - break; - } - break; - } - imesa->LcsCullMode = cullMode; - imesa->new_state |= SAVAGE_NEW_CULL; -} -#endif /* end #if HW_CULL */ - -static void savageUpdateCull( struct gl_context *ctx ) -{ -#if HW_CULL - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - GLuint cullMode; - if (ctx->Polygon.CullFlag && - imesa->raster_primitive >= GL_TRIANGLES && - ctx->Polygon.CullFaceMode != GL_FRONT_AND_BACK) - cullMode = imesa->LcsCullMode; - else - cullMode = BCM_None; - if (imesa->savageScreen->chipset >= S3_SAVAGE4) { - if (imesa->regs.s4.drawCtrl1.ni.cullMode != cullMode) { - imesa->regs.s4.drawCtrl1.ni.cullMode = cullMode; - imesa->dirty |= SAVAGE_UPLOAD_GLOBAL; - } - } else { - if (imesa->regs.s3d.drawCtrl.ni.cullMode != cullMode) { - imesa->regs.s3d.drawCtrl.ni.cullMode = cullMode; - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; - } - } -#endif /* end #if HW_CULL */ -} - - - -/* ============================================================= - * Color masks - */ - -/* Savage4 can disable draw updates when all channels are - * masked. Savage3D has a bit called drawUpdateEn, but it doesn't seem - * to have any effect. If only some channels are masked we need a - * software fallback on all chips. - */ -static void savageDDColorMask_s4(struct gl_context *ctx, - GLboolean r, GLboolean g, - GLboolean b, GLboolean a ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); - GLboolean passAny, passAll; - - if (ctx->Visual.alphaBits) { - passAny = b || g || r || a; - passAll = r && g && b && a; - } else { - passAny = b || g || r; - passAll = r && g && b; - } - - if (passAny) { - if (!imesa->regs.s4.drawLocalCtrl.ni.drawUpdateEn) { - imesa->regs.s4.drawLocalCtrl.ni.drawUpdateEn = GL_TRUE; - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; - } - FALLBACK (ctx, SAVAGE_FALLBACK_COLORMASK, !passAll); - } else if (imesa->regs.s4.drawLocalCtrl.ni.drawUpdateEn) { - imesa->regs.s4.drawLocalCtrl.ni.drawUpdateEn = GL_FALSE; - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; - } -} -static void savageDDColorMask_s3d(struct gl_context *ctx, - GLboolean r, GLboolean g, - GLboolean b, GLboolean a ) -{ - if (ctx->Visual.alphaBits) - FALLBACK (ctx, SAVAGE_FALLBACK_COLORMASK, !(r && g && b && a)); - else - FALLBACK (ctx, SAVAGE_FALLBACK_COLORMASK, !(r && g && b)); -} - -static void savageUpdateSpecular_s4(struct gl_context *ctx) { - savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); - uint32_t drawLocalCtrl = imesa->regs.s4.drawLocalCtrl.ui; - - if (_mesa_need_secondary_color(ctx)) { - imesa->regs.s4.drawLocalCtrl.ni.specShadeEn = GL_TRUE; - } else { - imesa->regs.s4.drawLocalCtrl.ni.specShadeEn = GL_FALSE; - } - - if (drawLocalCtrl != imesa->regs.s4.drawLocalCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; -} - -static void savageUpdateSpecular_s3d(struct gl_context *ctx) { - savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); - uint32_t drawCtrl = imesa->regs.s3d.drawCtrl.ui; - - if (_mesa_need_secondary_color(ctx)) { - imesa->regs.s3d.drawCtrl.ni.specShadeEn = GL_TRUE; - } else { - imesa->regs.s3d.drawCtrl.ni.specShadeEn = GL_FALSE; - } - - if (drawCtrl != imesa->regs.s3d.drawCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; -} - -static void savageDDLightModelfv_s4(struct gl_context *ctx, GLenum pname, - const GLfloat *param) -{ - savageUpdateSpecular_s4 (ctx); -} -static void savageDDLightModelfv_s3d(struct gl_context *ctx, GLenum pname, - const GLfloat *param) -{ - savageUpdateSpecular_s3d (ctx); -} - -static void savageDDShadeModel_s4(struct gl_context *ctx, GLuint mod) -{ - savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); - uint32_t drawLocalCtrl = imesa->regs.s4.drawLocalCtrl.ui; - - if (mod == GL_SMOOTH) - { - imesa->regs.s4.drawLocalCtrl.ni.flatShadeEn = GL_FALSE; - } - else - { - imesa->regs.s4.drawLocalCtrl.ni.flatShadeEn = GL_TRUE; - } - - if (drawLocalCtrl != imesa->regs.s4.drawLocalCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; -} -static void savageDDShadeModel_s3d(struct gl_context *ctx, GLuint mod) -{ - savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); - uint32_t drawCtrl = imesa->regs.s3d.drawCtrl.ui; - - if (mod == GL_SMOOTH) - { - imesa->regs.s3d.drawCtrl.ni.flatShadeEn = GL_FALSE; - } - else - { - imesa->regs.s3d.drawCtrl.ni.flatShadeEn = GL_TRUE; - } - - if (drawCtrl != imesa->regs.s3d.drawCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; -} - - -/* ============================================================= - * Fog - * The fogCtrl register has the same position and the same layout - * on savage3d and savage4. No need for two separate functions. - */ - -static void savageDDFogfv(struct gl_context *ctx, GLenum pname, const GLfloat *param) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - GLuint fogClr; - uint32_t fogCtrl = imesa->regs.s4.fogCtrl.ui; - - /*if ((ctx->Fog.Enabled) &&(pname == GL_FOG_COLOR))*/ - if (ctx->Fog.Enabled) - { - fogClr = (((GLubyte)(ctx->Fog.Color[0]*255.0F) << 16) | - ((GLubyte)(ctx->Fog.Color[1]*255.0F) << 8) | - ((GLubyte)(ctx->Fog.Color[2]*255.0F) << 0)); - imesa->regs.s4.fogCtrl.ni.fogEn = GL_TRUE; - /*cheap fog*/ - imesa->regs.s4.fogCtrl.ni.fogMode = GL_TRUE; - imesa->regs.s4.fogCtrl.ni.fogClr = fogClr; - } - else - { - /*No fog*/ - - imesa->regs.s4.fogCtrl.ni.fogEn = 0; - imesa->regs.s4.fogCtrl.ni.fogMode = 0; - } - - if (fogCtrl != imesa->regs.s4.fogCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_GLOBAL; -} - - -static void -savageDDStencilFuncSeparate(struct gl_context *ctx, GLenum face, GLenum func, - GLint ref, GLuint mask) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - unsigned a=0; - const uint32_t zBufCtrl = imesa->regs.s4.zBufCtrl.ui; - const uint32_t stencilCtrl = imesa->regs.s4.stencilCtrl.ui; - - imesa->regs.s4.zBufCtrl.ni.stencilRefVal = ctx->Stencil.Ref[0] & 0xff; - imesa->regs.s4.stencilCtrl.ni.readMask = ctx->Stencil.ValueMask[0] & 0xff; - - switch (ctx->Stencil.Function[0]) - { - case GL_NEVER: a = CF_Never; break; - case GL_ALWAYS: a = CF_Always; break; - case GL_LESS: a = CF_Less; break; - case GL_LEQUAL: a = CF_LessEqual; break; - case GL_EQUAL: a = CF_Equal; break; - case GL_GREATER: a = CF_Greater; break; - case GL_GEQUAL: a = CF_GreaterEqual; break; - case GL_NOTEQUAL: a = CF_NotEqual; break; - default: - break; - } - - imesa->regs.s4.stencilCtrl.ni.cmpFunc = a; - - if (zBufCtrl != imesa->regs.s4.zBufCtrl.ui || - stencilCtrl != imesa->regs.s4.stencilCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_GLOBAL; -} - -static void -savageDDStencilMaskSeparate(struct gl_context *ctx, GLenum face, GLuint mask) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - - if (imesa->regs.s4.stencilCtrl.ni.writeMask != (ctx->Stencil.WriteMask[0] & 0xff)) { - imesa->regs.s4.stencilCtrl.ni.writeMask = (ctx->Stencil.WriteMask[0] & 0xff); - imesa->dirty |= SAVAGE_UPLOAD_GLOBAL; - } -} - -static unsigned get_stencil_op_value( GLenum op ) -{ - switch (op) - { - case GL_KEEP: return STENCIL_Keep; - case GL_ZERO: return STENCIL_Zero; - case GL_REPLACE: return STENCIL_Equal; - case GL_INCR: return STENCIL_IncClamp; - case GL_DECR: return STENCIL_DecClamp; - case GL_INVERT: return STENCIL_Invert; - case GL_INCR_WRAP: return STENCIL_Inc; - case GL_DECR_WRAP: return STENCIL_Dec; - } - - /* Should *never* get here. */ - return STENCIL_Keep; -} - -static void -savageDDStencilOpSeparate(struct gl_context *ctx, GLenum face, GLenum fail, - GLenum zfail, GLenum zpass) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - const uint32_t stencilCtrl = imesa->regs.s4.stencilCtrl.ui; - - imesa->regs.s4.stencilCtrl.ni.failOp = get_stencil_op_value( ctx->Stencil.FailFunc[0] ); - imesa->regs.s4.stencilCtrl.ni.passZfailOp = get_stencil_op_value( ctx->Stencil.ZFailFunc[0] ); - imesa->regs.s4.stencilCtrl.ni.passZpassOp = get_stencil_op_value( ctx->Stencil.ZPassFunc[0] ); - - if (stencilCtrl != imesa->regs.s4.stencilCtrl.ui) - imesa->dirty |= SAVAGE_UPLOAD_GLOBAL; -} - - -/* ============================================================= - */ - -static void savageDDEnable_s4(struct gl_context *ctx, GLenum cap, GLboolean state) -{ - - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - switch(cap) { - case GL_ALPHA_TEST: - /* we should consider the disable case*/ - savageBlendFunc_s4(ctx); - break; - case GL_BLEND: - /*add the savageBlendFunc 2001/11/25 - * if call no such function, then glDisable(GL_BLEND) will do noting, - *our chip has no disable bit - */ - savageBlendFunc_s4(ctx); - case GL_COLOR_LOGIC_OP: - /* Fall through: - * For some reason enable(GL_BLEND) affects ColorLogicOpEnabled. - */ - FALLBACK (ctx, SAVAGE_FALLBACK_LOGICOP, - (ctx->Color.ColorLogicOpEnabled && - ctx->Color.LogicOp != GL_COPY)); - break; - case GL_DEPTH_TEST: - savageDDDepthFunc_s4(ctx,ctx->Depth.Func); - break; - case GL_SCISSOR_TEST: - savageDDScissor(ctx, ctx->Scissor.X, ctx->Scissor.Y, - ctx->Scissor.Width, ctx->Scissor.Height); - break; - case GL_STENCIL_TEST: - if (!imesa->hw_stencil) - FALLBACK (ctx, SAVAGE_FALLBACK_STENCIL, state); - else { - imesa->regs.s4.stencilCtrl.ni.stencilEn = state; - if (ctx->Stencil._Enabled && - imesa->regs.s4.zBufCtrl.ni.zBufEn != GL_TRUE) - { - /* Stencil buffer requires Z enabled. */ - imesa->regs.s4.zBufCtrl.ni.zCmpFunc = CF_Always; - imesa->regs.s4.zBufCtrl.ni.zBufEn = GL_TRUE; - imesa->regs.s4.drawLocalCtrl.ni.zUpdateEn = GL_FALSE; - } - imesa->dirty |= SAVAGE_UPLOAD_GLOBAL | SAVAGE_UPLOAD_LOCAL; - } - break; - case GL_FOG: - savageDDFogfv(ctx,0,0); - break; - case GL_CULL_FACE: -#if HW_CULL - if (state) - { - savageDDCullFaceFrontFace(ctx,0); - } - else - { - imesa->LcsCullMode = BCM_None; - imesa->new_state |= SAVAGE_NEW_CULL; - } -#endif - break; - case GL_DITHER: - if (state) - { - if ( ctx->Color.DitherFlag ) - { - imesa->regs.s4.drawCtrl1.ni.ditherEn=GL_TRUE; - } - } - if (!ctx->Color.DitherFlag ) - { - imesa->regs.s4.drawCtrl1.ni.ditherEn=GL_FALSE; - } - imesa->dirty |= SAVAGE_UPLOAD_GLOBAL; - break; - - case GL_LIGHTING: - savageUpdateSpecular_s4 (ctx); - break; - case GL_TEXTURE_1D: - case GL_TEXTURE_3D: - imesa->new_state |= SAVAGE_NEW_TEXTURE; - break; - case GL_TEXTURE_2D: - imesa->new_state |= SAVAGE_NEW_TEXTURE; - break; - default: - ; - } -} -static void savageDDEnable_s3d(struct gl_context *ctx, GLenum cap, GLboolean state) -{ - - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - switch(cap) { - case GL_ALPHA_TEST: - /* we should consider the disable case*/ - savageBlendFunc_s3d(ctx); - break; - case GL_BLEND: - /*add the savageBlendFunc 2001/11/25 - * if call no such function, then glDisable(GL_BLEND) will do noting, - *our chip has no disable bit - */ - savageBlendFunc_s3d(ctx); - case GL_COLOR_LOGIC_OP: - /* Fall through: - * For some reason enable(GL_BLEND) affects ColorLogicOpEnabled. - */ - FALLBACK (ctx, SAVAGE_FALLBACK_LOGICOP, - (ctx->Color.ColorLogicOpEnabled && - ctx->Color.LogicOp != GL_COPY)); - break; - case GL_DEPTH_TEST: - savageDDDepthFunc_s3d(ctx,ctx->Depth.Func); - break; - case GL_SCISSOR_TEST: - savageDDScissor(ctx, ctx->Scissor.X, ctx->Scissor.Y, - ctx->Scissor.Width, ctx->Scissor.Height); - break; - case GL_STENCIL_TEST: - FALLBACK (ctx, SAVAGE_FALLBACK_STENCIL, state); - break; - case GL_FOG: - savageDDFogfv(ctx,0,0); - break; - case GL_CULL_FACE: -#if HW_CULL - if (state) - { - savageDDCullFaceFrontFace(ctx,0); - } - else - { - imesa->LcsCullMode = BCM_None; - imesa->new_state |= SAVAGE_NEW_CULL; - } -#endif - break; - case GL_DITHER: - if (state) - { - if ( ctx->Color.DitherFlag ) - { - imesa->regs.s3d.drawCtrl.ni.ditherEn=GL_TRUE; - } - } - if (!ctx->Color.DitherFlag ) - { - imesa->regs.s3d.drawCtrl.ni.ditherEn=GL_FALSE; - } - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; - break; - - case GL_LIGHTING: - savageUpdateSpecular_s3d (ctx); - break; - case GL_TEXTURE_1D: - case GL_TEXTURE_3D: - imesa->new_state |= SAVAGE_NEW_TEXTURE; - break; - case GL_TEXTURE_2D: - imesa->new_state |= SAVAGE_NEW_TEXTURE; - break; - default: - ; - } -} - -void savageDDUpdateHwState( struct gl_context *ctx ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - - if (imesa->new_state) { - savageFlushVertices(imesa); - if (imesa->new_state & SAVAGE_NEW_TEXTURE) { - savageUpdateTextureState( ctx ); - } - if ((imesa->new_state & SAVAGE_NEW_CULL)) { - savageUpdateCull(ctx); - } - imesa->new_state = 0; - } -} - - -static void savageDDPrintDirty( const char *msg, GLuint state ) -{ - fprintf(stderr, "%s (0x%x): %s%s%s%s%s%s\n", - msg, - (unsigned int) state, - (state & SAVAGE_UPLOAD_LOCAL) ? "upload-local, " : "", - (state & SAVAGE_UPLOAD_TEX0) ? "upload-tex0, " : "", - (state & SAVAGE_UPLOAD_TEX1) ? "upload-tex1, " : "", - (state & SAVAGE_UPLOAD_FOGTBL) ? "upload-fogtbl, " : "", - (state & SAVAGE_UPLOAD_GLOBAL) ? "upload-global, " : "", - (state & SAVAGE_UPLOAD_TEXGLOBAL) ? "upload-texglobal, " : "" - ); -} - - -/** - * Check if global registers were changed - */ -static GLboolean savageGlobalRegChanged (savageContextPtr imesa, - GLuint first, GLuint last) { - GLuint i; - for (i = first - SAVAGE_FIRST_REG; i <= last - SAVAGE_FIRST_REG; ++i) { - if (((imesa->oldRegs.ui[i] ^ imesa->regs.ui[i]) & - imesa->globalRegMask.ui[i]) != 0) - return GL_TRUE; - } - return GL_FALSE; -} -static void savageEmitOldRegs (savageContextPtr imesa, - GLuint first, GLuint last, GLboolean global) { - GLuint n = last-first+1; - drm_savage_cmd_header_t *cmd = savageAllocCmdBuf(imesa, n*4); - cmd->state.cmd = SAVAGE_CMD_STATE; - cmd->state.global = global; - cmd->state.count = n; - cmd->state.start = first; - memcpy(cmd+1, &imesa->oldRegs.ui[first-SAVAGE_FIRST_REG], n*4); -} -static void savageEmitContiguousRegs (savageContextPtr imesa, - GLuint first, GLuint last) { - GLuint i; - GLuint n = last-first+1; - drm_savage_cmd_header_t *cmd = savageAllocCmdBuf(imesa, n*4); - cmd->state.cmd = SAVAGE_CMD_STATE; - cmd->state.global = savageGlobalRegChanged(imesa, first, last); - cmd->state.count = n; - cmd->state.start = first; - memcpy(cmd+1, &imesa->regs.ui[first-SAVAGE_FIRST_REG], n*4); - /* savageAllocCmdBuf may need to flush the cmd buffer and backup - * the current hardware state. It should see the "old" (current) - * state that has actually been emitted to the hardware. Therefore - * this update is done *after* savageAllocCmdBuf. */ - for (i = first - SAVAGE_FIRST_REG; i <= last - SAVAGE_FIRST_REG; ++i) - imesa->oldRegs.ui[i] = imesa->regs.ui[i]; - if (SAVAGE_DEBUG & DEBUG_STATE) - fprintf (stderr, "Emitting regs 0x%02x-0x%02x\n", first, last); -} -static void savageEmitChangedRegs (savageContextPtr imesa, - GLuint first, GLuint last) { - GLuint i, firstChanged; - firstChanged = SAVAGE_NR_REGS; - for (i = first - SAVAGE_FIRST_REG; i <= last - SAVAGE_FIRST_REG; ++i) { - if (imesa->oldRegs.ui[i] != imesa->regs.ui[i]) { - if (firstChanged == SAVAGE_NR_REGS) - firstChanged = i; - } else { - if (firstChanged != SAVAGE_NR_REGS) { - savageEmitContiguousRegs (imesa, firstChanged+SAVAGE_FIRST_REG, - i-1+SAVAGE_FIRST_REG); - firstChanged = SAVAGE_NR_REGS; - } - } - } - if (firstChanged != SAVAGE_NR_REGS) - savageEmitContiguousRegs (imesa, firstChanged+SAVAGE_FIRST_REG, - last); -} -static void savageEmitChangedRegChunk (savageContextPtr imesa, - GLuint first, GLuint last) { - GLuint i; - for (i = first - SAVAGE_FIRST_REG; i <= last - SAVAGE_FIRST_REG; ++i) { - if (imesa->oldRegs.ui[i] != imesa->regs.ui[i]) { - savageEmitContiguousRegs (imesa, first, last); - break; - } - } -} -static void savageUpdateRegister_s4(savageContextPtr imesa) -{ - /* In case the texture image was changed without changing the - * texture address as well, we need to force emitting the texture - * address in order to flush texture cashes. */ - if ((imesa->dirty & SAVAGE_UPLOAD_TEX0) && - imesa->oldRegs.s4.texAddr[0].ui == imesa->regs.s4.texAddr[0].ui) - imesa->oldRegs.s4.texAddr[0].ui = 0xffffffff; - if ((imesa->dirty & SAVAGE_UPLOAD_TEX1) && - imesa->oldRegs.s4.texAddr[1].ui == imesa->regs.s4.texAddr[1].ui) - imesa->oldRegs.s4.texAddr[1].ui = 0xffffffff; - - /* Fix up watermarks */ - if (imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites) { - imesa->regs.s4.destTexWatermarks.ni.destWriteLow = 0; - imesa->regs.s4.destTexWatermarks.ni.destFlush = 1; - } else - imesa->regs.s4.destTexWatermarks.ni.destWriteLow = S4_DWLO; - if (imesa->regs.s4.drawLocalCtrl.ni.flushPdZbufWrites) - imesa->regs.s4.zWatermarks.ni.wLow = 0; - else - imesa->regs.s4.zWatermarks.ni.wLow = S4_ZWLO; - - savageEmitChangedRegs (imesa, 0x1e, 0x39); - - imesa->dirty=0; -} -static void savageUpdateRegister_s3d(savageContextPtr imesa) -{ - /* In case the texture image was changed without changing the - * texture address as well, we need to force emitting the texture - * address in order to flush texture cashes. */ - if ((imesa->dirty & SAVAGE_UPLOAD_TEX0) && - imesa->oldRegs.s3d.texAddr.ui == imesa->regs.s3d.texAddr.ui) - imesa->oldRegs.s3d.texAddr.ui = 0xffffffff; - - /* Fix up watermarks */ - if (imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites) { - imesa->regs.s3d.destTexWatermarks.ni.destWriteLow = 0; - imesa->regs.s3d.destTexWatermarks.ni.destFlush = 1; - } else - imesa->regs.s3d.destTexWatermarks.ni.destWriteLow = S3D_DWLO; - if (imesa->regs.s3d.drawCtrl.ni.flushPdZbufWrites) - imesa->regs.s3d.zWatermarks.ni.wLow = 0; - else - imesa->regs.s3d.zWatermarks.ni.wLow = S3D_ZWLO; - - - /* the savage3d uses two contiguous ranges of BCI registers: - * 0x18-0x1c and 0x20-0x38. Some texture registers need to be - * emitted in one chunk or we get some funky rendering errors. */ - savageEmitChangedRegs (imesa, 0x18, 0x19); - savageEmitChangedRegChunk (imesa, 0x1a, 0x1c); - savageEmitChangedRegs (imesa, 0x20, 0x38); - - imesa->dirty=0; -} - - -void savageEmitOldState( savageContextPtr imesa ) -{ - assert(imesa->cmdBuf.write == imesa->cmdBuf.base); - if (imesa->savageScreen->chipset >= S3_SAVAGE4) { - savageEmitOldRegs (imesa, 0x1e, 0x39, GL_TRUE); - } else { - savageEmitOldRegs (imesa, 0x18, 0x1c, GL_TRUE); - savageEmitOldRegs (imesa, 0x20, 0x38, GL_FALSE); - } -} - - -/* Push the state into the sarea and/or texture memory. - */ -void savageEmitChangedState( savageContextPtr imesa ) -{ - if (SAVAGE_DEBUG & DEBUG_VERBOSE_API) - savageDDPrintDirty( "\n\n\nsavageEmitHwStateLocked", imesa->dirty ); - - if (imesa->dirty) - { - if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG) - fprintf (stderr, "... emitting state\n"); - if (imesa->savageScreen->chipset >= S3_SAVAGE4) - savageUpdateRegister_s4(imesa); - else - savageUpdateRegister_s3d(imesa); - } - - imesa->dirty = 0; -} - - -static void savageDDInitState_s4( savageContextPtr imesa ) -{ -#if 1 - imesa->regs.s4.destCtrl.ui = 1<<7; -#endif - - imesa->regs.s4.zBufCtrl.ni.zCmpFunc = CF_Less; - imesa->regs.s4.zBufCtrl.ni.wToZEn = GL_TRUE; - if (imesa->float_depth) { - imesa->regs.s4.zBufCtrl.ni.zExpOffset = - imesa->savageScreen->zpp == 2 ? 16 : 32; - imesa->regs.s4.zBufCtrl.ni.floatZEn = GL_TRUE; - } else { - imesa->regs.s4.zBufCtrl.ni.zExpOffset = 0; - imesa->regs.s4.zBufCtrl.ni.floatZEn = GL_FALSE; - } - imesa->regs.s4.texBlendCtrl[0].ui = TBC_NoTexMap; - imesa->regs.s4.texBlendCtrl[1].ui = TBC_NoTexMap1; - imesa->regs.s4.drawCtrl0.ui = 0; -#if 0 - imesa->regs.s4.drawCtrl1.ni.xyOffsetEn = 1; -#endif - - /* Set DestTexWatermarks_31,30 to 01 always. - *Has no effect if dest. flush is disabled. - */ -#if 0 - imesa->regs.s4.zWatermarks.ui = 0x12000C04; - imesa->regs.s4.destTexWatermarks.ui = 0x40200400; -#else - /*imesa->regs.s4.zWatermarks.ui = 0x16001808;*/ - imesa->regs.s4.zWatermarks.ni.rLow = S4_ZRLO; - imesa->regs.s4.zWatermarks.ni.rHigh = S4_ZRHI; - imesa->regs.s4.zWatermarks.ni.wLow = S4_ZWLO; - imesa->regs.s4.zWatermarks.ni.wHigh = S4_ZWHI; - /*imesa->regs.s4.destTexWatermarks.ui = 0x4f000000;*/ - imesa->regs.s4.destTexWatermarks.ni.destReadLow = S4_DRLO; - imesa->regs.s4.destTexWatermarks.ni.destReadHigh = S4_DRHI; - imesa->regs.s4.destTexWatermarks.ni.destWriteLow = S4_DWLO; - imesa->regs.s4.destTexWatermarks.ni.destWriteHigh = S4_DWHI; - imesa->regs.s4.destTexWatermarks.ni.texRead = S4_TR; - imesa->regs.s4.destTexWatermarks.ni.destFlush = 1; -#endif - imesa->regs.s4.drawCtrl0.ni.dPerfAccelEn = GL_TRUE; - - /* clrCmpAlphaBlendCtrl is needed to get alphatest and - * alpha blending working properly - */ - - imesa->regs.s4.texCtrl[0].ni.dBias = 0x08; - imesa->regs.s4.texCtrl[1].ni.dBias = 0x08; - imesa->regs.s4.texCtrl[0].ni.texXprEn = GL_TRUE; - imesa->regs.s4.texCtrl[1].ni.texXprEn = GL_TRUE; - imesa->regs.s4.texCtrl[0].ni.dMax = 0x0f; - imesa->regs.s4.texCtrl[1].ni.dMax = 0x0f; - /* programm a valid tex address, in case texture state is emitted - * in wrong order. */ - if (imesa->lastTexHeap == 2 && imesa->savageScreen->textureSize[1]) { - /* AGP textures available */ - imesa->regs.s4.texAddr[0].ui = imesa->savageScreen->textureOffset[1]|3; - imesa->regs.s4.texAddr[1].ui = imesa->savageScreen->textureOffset[1]|3; - } else { - /* no AGP textures available, use local */ - imesa->regs.s4.texAddr[0].ui = imesa->savageScreen->textureOffset[0]|2; - imesa->regs.s4.texAddr[1].ui = imesa->savageScreen->textureOffset[0]|2; - } - imesa->regs.s4.drawLocalCtrl.ni.drawUpdateEn = GL_TRUE; - imesa->regs.s4.drawLocalCtrl.ni.srcAlphaMode = SAM_One; - imesa->regs.s4.drawLocalCtrl.ni.wrZafterAlphaTst = GL_FALSE; - imesa->regs.s4.drawLocalCtrl.ni.flushPdZbufWrites= GL_TRUE; - imesa->regs.s4.drawLocalCtrl.ni.flushPdDestWrites= GL_TRUE; - - imesa->regs.s4.drawLocalCtrl.ni.zUpdateEn= GL_TRUE; - imesa->regs.s4.drawCtrl1.ni.ditherEn = ( - driQueryOptioni(&imesa->optionCache, "color_reduction") == - DRI_CONF_COLOR_REDUCTION_DITHER) ? GL_TRUE : GL_FALSE; - imesa->regs.s4.drawCtrl1.ni.cullMode = BCM_None; - - imesa->regs.s4.zBufCtrl.ni.stencilRefVal = 0x00; - - imesa->regs.s4.stencilCtrl.ni.stencilEn = GL_FALSE; - imesa->regs.s4.stencilCtrl.ni.cmpFunc = CF_Always; - imesa->regs.s4.stencilCtrl.ni.failOp = STENCIL_Keep; - imesa->regs.s4.stencilCtrl.ni.passZfailOp = STENCIL_Keep; - imesa->regs.s4.stencilCtrl.ni.passZpassOp = STENCIL_Keep; - imesa->regs.s4.stencilCtrl.ni.writeMask = 0xff; - imesa->regs.s4.stencilCtrl.ni.readMask = 0xff; - - imesa->LcsCullMode=BCM_None; - imesa->regs.s4.texDescr.ni.palSize = TPS_256; - - /* clear the local registers in the global reg mask */ - imesa->globalRegMask.s4.drawLocalCtrl.ui = 0; - imesa->globalRegMask.s4.texPalAddr.ui = 0; - imesa->globalRegMask.s4.texCtrl[0].ui = 0; - imesa->globalRegMask.s4.texCtrl[1].ui = 0; - imesa->globalRegMask.s4.texAddr[0].ui = 0; - imesa->globalRegMask.s4.texAddr[1].ui = 0; - imesa->globalRegMask.s4.texBlendCtrl[0].ui = 0; - imesa->globalRegMask.s4.texBlendCtrl[1].ui = 0; - imesa->globalRegMask.s4.texXprClr.ui = 0; - imesa->globalRegMask.s4.texDescr.ui = 0; -} -static void savageDDInitState_s3d( savageContextPtr imesa ) -{ -#if 1 - imesa->regs.s3d.destCtrl.ui = 1<<7; -#endif - - imesa->regs.s3d.zBufCtrl.ni.zCmpFunc = CF_Less; -#if 0 - imesa->regs.s3d.drawCtrl.ni.xyOffsetEn = 1; -#endif - - /* Set DestTexWatermarks_31,30 to 01 always. - *Has no effect if dest. flush is disabled. - */ -#if 0 - imesa->regs.s3d.zWatermarks.ui = 0x12000C04; - imesa->regs.s3d.destTexWatermarks.ui = 0x40200400; -#else - /*imesa->regs.s3d.zWatermarks.ui = 0x16001808;*/ - imesa->regs.s3d.zWatermarks.ni.rLow = S3D_ZRLO; - imesa->regs.s3d.zWatermarks.ni.rHigh = S3D_ZRHI; - imesa->regs.s3d.zWatermarks.ni.wLow = S3D_ZWLO; - imesa->regs.s3d.zWatermarks.ni.wHigh = S3D_ZWHI; - /*imesa->regs.s3d.destTexWatermarks.ui = 0x4f000000;*/ - imesa->regs.s3d.destTexWatermarks.ni.destReadLow = S3D_DRLO; - imesa->regs.s3d.destTexWatermarks.ni.destReadHigh = S3D_DRHI; - imesa->regs.s3d.destTexWatermarks.ni.destWriteLow = S3D_DWLO; - imesa->regs.s3d.destTexWatermarks.ni.destWriteHigh = S3D_DWHI; - imesa->regs.s3d.destTexWatermarks.ni.texRead = S3D_TR; - imesa->regs.s3d.destTexWatermarks.ni.destFlush = 1; -#endif - - imesa->regs.s3d.texCtrl.ni.dBias = 0x08; - imesa->regs.s3d.texCtrl.ni.texXprEn = GL_TRUE; - /* texXprEn is needed to get alphatest and alpha blending working - * properly. However, this makes texels with color texXprClr - * completely transparent in some texture environment modes. I - * couldn't find a way to disable this. So choose an arbitrary and - * improbable color. (0 is a bad choice, makes all black texels - * transparent.) */ - imesa->regs.s3d.texXprClr.ui = 0x26ae26ae; - /* programm a valid tex address, in case texture state is emitted - * in wrong order. */ - if (imesa->lastTexHeap == 2 && imesa->savageScreen->textureSize[1]) { - /* AGP textures available */ - imesa->regs.s3d.texAddr.ui = imesa->savageScreen->textureOffset[1]|3; - } else { - /* no AGP textures available, use local */ - imesa->regs.s3d.texAddr.ui = imesa->savageScreen->textureOffset[0]|2; - } - - imesa->regs.s3d.zBufCtrl.ni.drawUpdateEn = GL_TRUE; - imesa->regs.s3d.zBufCtrl.ni.wrZafterAlphaTst = GL_FALSE; - imesa->regs.s3d.zBufCtrl.ni.zUpdateEn = GL_TRUE; - - imesa->regs.s3d.drawCtrl.ni.srcAlphaMode = SAM_One; - imesa->regs.s3d.drawCtrl.ni.flushPdZbufWrites = GL_TRUE; - imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; - - imesa->regs.s3d.drawCtrl.ni.ditherEn = ( - driQueryOptioni(&imesa->optionCache, "color_reduction") == - DRI_CONF_COLOR_REDUCTION_DITHER) ? GL_TRUE : GL_FALSE; - imesa->regs.s3d.drawCtrl.ni.cullMode = BCM_None; - - imesa->LcsCullMode = BCM_None; - imesa->regs.s3d.texDescr.ni.palSize = TPS_256; - - /* clear the local registers in the global reg mask */ - imesa->globalRegMask.s3d.texPalAddr.ui = 0; - imesa->globalRegMask.s3d.texXprClr.ui = 0; - imesa->globalRegMask.s3d.texAddr.ui = 0; - imesa->globalRegMask.s3d.texDescr.ui = 0; - imesa->globalRegMask.s3d.texCtrl.ui = 0; - - imesa->globalRegMask.s3d.fogCtrl.ui = 0; - - /* drawCtrl is local with some exceptions */ - imesa->globalRegMask.s3d.drawCtrl.ui = 0; - imesa->globalRegMask.s3d.drawCtrl.ni.cullMode = 0x3; - imesa->globalRegMask.s3d.drawCtrl.ni.alphaTestCmpFunc = 0x7; - imesa->globalRegMask.s3d.drawCtrl.ni.alphaTestEn = 0x1; - imesa->globalRegMask.s3d.drawCtrl.ni.alphaRefVal = 0xff; - - /* zBufCtrl is local with some exceptions */ - imesa->globalRegMask.s3d.zBufCtrl.ui = 0; - imesa->globalRegMask.s3d.zBufCtrl.ni.zCmpFunc = 0x7; - imesa->globalRegMask.s3d.zBufCtrl.ni.zBufEn = 0x1; -} -void savageDDInitState( savageContextPtr imesa ) { - memset (imesa->regs.ui, 0, SAVAGE_NR_REGS*sizeof(uint32_t)); - memset (imesa->globalRegMask.ui, 0xff, SAVAGE_NR_REGS*sizeof(uint32_t)); - if (imesa->savageScreen->chipset >= S3_SAVAGE4) - savageDDInitState_s4 (imesa); - else - savageDDInitState_s3d (imesa); - - /*fprintf(stderr,"DBflag:%d\n",imesa->glCtx->Visual->DBflag);*/ - /* zbufoffset and destctrl have the same position and layout on - * savage4 and savage3d. */ - if (imesa->glCtx->Visual.doubleBufferMode) { - imesa->IsDouble = GL_TRUE; - imesa->toggle = TARGET_BACK; - imesa->regs.s4.destCtrl.ni.offset = - imesa->savageScreen->backOffset>>11; - } else { - imesa->IsDouble = GL_FALSE; - imesa->toggle = TARGET_FRONT; - imesa->regs.s4.destCtrl.ni.offset = - imesa->savageScreen->frontOffset>>11; - } - if(imesa->savageScreen->cpp == 2) { - imesa->regs.s4.destCtrl.ni.dstPixFmt = 0; - imesa->regs.s4.destCtrl.ni.dstWidthInTile = - (imesa->savageScreen->width+63)>>6; - } else { - imesa->regs.s4.destCtrl.ni.dstPixFmt = 1; - imesa->regs.s4.destCtrl.ni.dstWidthInTile = - (imesa->savageScreen->width+31)>>5; - } - imesa->NotFirstFrame = GL_FALSE; - - imesa->regs.s4.zBufOffset.ni.offset=imesa->savageScreen->depthOffset>>11; - if(imesa->savageScreen->zpp == 2) { - imesa->regs.s4.zBufOffset.ni.zBufWidthInTiles = - (imesa->savageScreen->width+63)>>6; - imesa->regs.s4.zBufOffset.ni.zDepthSelect = 0; - } else { - imesa->regs.s4.zBufOffset.ni.zBufWidthInTiles = - (imesa->savageScreen->width+31)>>5; - imesa->regs.s4.zBufOffset.ni.zDepthSelect = 1; - } - - memcpy (imesa->oldRegs.ui, imesa->regs.ui, SAVAGE_NR_REGS*sizeof(uint32_t)); - - /* Emit the initial state to the (empty) command buffer. */ - assert (imesa->cmdBuf.write == imesa->cmdBuf.base); - savageEmitOldState(imesa); - imesa->cmdBuf.start = imesa->cmdBuf.write; -} - - -#define INTERESTED (~(NEW_MODELVIEW|NEW_PROJECTION|\ - NEW_TEXTURE_MATRIX|\ - NEW_USER_CLIP|NEW_CLIENT_STATE)) - -static void savageDDInvalidateState( struct gl_context *ctx, GLuint new_state ) -{ - _swrast_InvalidateState( ctx, new_state ); - _swsetup_InvalidateState( ctx, new_state ); - _vbo_InvalidateState( ctx, new_state ); - _tnl_InvalidateState( ctx, new_state ); - SAVAGE_CONTEXT(ctx)->new_gl_state |= new_state; -} - - -void savageDDInitStateFuncs(struct gl_context *ctx) -{ - ctx->Driver.UpdateState = savageDDInvalidateState; - ctx->Driver.BlendEquationSeparate = savageDDBlendEquationSeparate; - ctx->Driver.Fogfv = savageDDFogfv; - ctx->Driver.Scissor = savageDDScissor; -#if HW_CULL - ctx->Driver.CullFace = savageDDCullFaceFrontFace; - ctx->Driver.FrontFace = savageDDCullFaceFrontFace; -#else - ctx->Driver.CullFace = 0; - ctx->Driver.FrontFace = 0; -#endif /* end #if HW_CULL */ - ctx->Driver.DrawBuffer = savageDDDrawBuffer; - ctx->Driver.ReadBuffer = savageDDReadBuffer; - ctx->Driver.ClearColor = savageDDClearColor; - - ctx->Driver.DepthRange = savageDepthRange; - ctx->Driver.Viewport = savageViewport; - ctx->Driver.RenderMode = savageRenderMode; - - if (SAVAGE_CONTEXT( ctx )->savageScreen->chipset >= S3_SAVAGE4) { - ctx->Driver.Enable = savageDDEnable_s4; - ctx->Driver.AlphaFunc = savageDDAlphaFunc_s4; - ctx->Driver.DepthFunc = savageDDDepthFunc_s4; - ctx->Driver.DepthMask = savageDDDepthMask_s4; - ctx->Driver.BlendFuncSeparate = savageDDBlendFuncSeparate_s4; - ctx->Driver.ColorMask = savageDDColorMask_s4; - ctx->Driver.ShadeModel = savageDDShadeModel_s4; - ctx->Driver.LightModelfv = savageDDLightModelfv_s4; - ctx->Driver.StencilFuncSeparate = savageDDStencilFuncSeparate; - ctx->Driver.StencilMaskSeparate = savageDDStencilMaskSeparate; - ctx->Driver.StencilOpSeparate = savageDDStencilOpSeparate; - } else { - ctx->Driver.Enable = savageDDEnable_s3d; - ctx->Driver.AlphaFunc = savageDDAlphaFunc_s3d; - ctx->Driver.DepthFunc = savageDDDepthFunc_s3d; - ctx->Driver.DepthMask = savageDDDepthMask_s3d; - ctx->Driver.BlendFuncSeparate = savageDDBlendFuncSeparate_s3d; - ctx->Driver.ColorMask = savageDDColorMask_s3d; - ctx->Driver.ShadeModel = savageDDShadeModel_s3d; - ctx->Driver.LightModelfv = savageDDLightModelfv_s3d; - ctx->Driver.StencilFuncSeparate = NULL; - ctx->Driver.StencilMaskSeparate = NULL; - ctx->Driver.StencilOpSeparate = NULL; - } -} |