#include #include "main/glheader.h" #include "main/context.h" #include "main/macros.h" #include "main/dd.h" #include "main/colormac.h" #include "swrast/swrast.h" #include "tnl/tnl.h" #include "tnl/t_pipeline.h" #include "vbo/vbo.h" #include "swrast_setup/swrast_setup.h" #include "texmem.h" #include "i810screen.h" #include "i810_dri.h" #include "i810context.h" #include "i810state.h" #include "i810tex.h" #include "i810ioctl.h" static INLINE GLuint i810PackColor(GLuint format, GLubyte r, GLubyte g, GLubyte b, GLubyte a) { if (I810_DEBUG&DEBUG_DRI) fprintf(stderr, "%s\n", __FUNCTION__); switch (format) { case DV_PF_555: return PACK_COLOR_1555( a, r, g, b ); case DV_PF_565: return PACK_COLOR_565( r, g, b ); default: fprintf(stderr, "unknown format %d\n", (int)format); return 0; } } static void i810AlphaFunc(struct gl_context *ctx, GLenum func, GLfloat ref) { i810ContextPtr imesa = I810_CONTEXT(ctx); GLuint a = (ZA_UPDATE_ALPHAFUNC|ZA_UPDATE_ALPHAREF); GLubyte refByte; CLAMPED_FLOAT_TO_UBYTE(refByte, ref); switch (ctx->Color.AlphaFunc) { case GL_NEVER: a |= ZA_ALPHA_NEVER; break; case GL_LESS: a |= ZA_ALPHA_LESS; break; case GL_GEQUAL: a |= ZA_ALPHA_GEQUAL; break; case GL_LEQUAL: a |= ZA_ALPHA_LEQUAL; break; case GL_GREATER: a |= ZA_ALPHA_GREATER; break; case GL_NOTEQUAL: a |= ZA_ALPHA_NOTEQUAL; break; case GL_EQUAL: a |= ZA_ALPHA_EQUAL; break; case GL_ALWAYS: a |= ZA_ALPHA_ALWAYS; break; default: return; } a |= ((refByte & 0xfc) << ZA_ALPHAREF_SHIFT); I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_ZA] &= ~(ZA_ALPHA_MASK|ZA_ALPHAREF_MASK); imesa->Setup[I810_CTXREG_ZA] |= a; } static void i810BlendEquationSeparate(struct gl_context *ctx, GLenum modeRGB, GLenum modeA) { assert( modeRGB == modeA ); /* Can only do GL_ADD equation in hardware */ FALLBACK( I810_CONTEXT(ctx), I810_FALLBACK_BLEND_EQ, modeRGB != GL_FUNC_ADD); /* BlendEquation sets ColorLogicOpEnabled in an unexpected * manner. */ FALLBACK( I810_CONTEXT(ctx), I810_FALLBACK_LOGICOP, (ctx->Color.ColorLogicOpEnabled && ctx->Color.LogicOp != GL_COPY)); } static void i810BlendFuncSeparate( struct gl_context *ctx, GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorA, GLenum dfactorA ) { i810ContextPtr imesa = I810_CONTEXT(ctx); GLuint a = SDM_UPDATE_SRC_BLEND | SDM_UPDATE_DST_BLEND; GLboolean fallback = GL_FALSE; switch (ctx->Color.Blend[0].SrcRGB) { case GL_ZERO: a |= SDM_SRC_ZERO; break; case GL_ONE: a |= SDM_SRC_ONE; break; case GL_SRC_COLOR: a |= SDM_SRC_SRC_COLOR; break; case GL_ONE_MINUS_SRC_COLOR: a |= SDM_SRC_INV_SRC_COLOR; break; case GL_SRC_ALPHA: a |= SDM_SRC_SRC_ALPHA; break; case GL_ONE_MINUS_SRC_ALPHA: a |= SDM_SRC_INV_SRC_ALPHA; break; case GL_DST_ALPHA: a |= SDM_SRC_ONE; break; case GL_ONE_MINUS_DST_ALPHA: a |= SDM_SRC_ZERO; break; case GL_DST_COLOR: a |= SDM_SRC_DST_COLOR; break; case GL_ONE_MINUS_DST_COLOR: a |= SDM_SRC_INV_DST_COLOR; break; /* (f, f, f, 1), f = min(As, 1 - Ad) = min(As, 1 - 1) = 0 * So (f, f, f, 1) = (0, 0, 0, 1). Since there is no destination alpha and * the only supported alpha operation is GL_FUNC_ADD, the result modulating * the source alpha with the alpha factor is largely irrelevant. */ case GL_SRC_ALPHA_SATURATE: a |= SDM_SRC_ZERO; break; case GL_CONSTANT_COLOR: case GL_ONE_MINUS_CONSTANT_COLOR: case GL_CONSTANT_ALPHA: case GL_ONE_MINUS_CONSTANT_ALPHA: fallback = GL_TRUE; break; default: return; } switch (ctx->Color.Blend[0].DstRGB) { case GL_ZERO: a |= SDM_DST_ZERO; break; case GL_ONE: a |= SDM_DST_ONE; break; case GL_SRC_COLOR: a |= SDM_DST_SRC_COLOR; break; case GL_ONE_MINUS_SRC_COLOR: a |= SDM_DST_INV_SRC_COLOR; break; case GL_SRC_ALPHA: a |= SDM_DST_SRC_ALPHA; break; case GL_ONE_MINUS_SRC_ALPHA: a |= SDM_DST_INV_SRC_ALPHA; break; case GL_DST_ALPHA: a |= SDM_DST_ONE; break; case GL_ONE_MINUS_DST_ALPHA: a |= SDM_DST_ZERO; break; case GL_DST_COLOR: a |= SDM_DST_DST_COLOR; break; case GL_ONE_MINUS_DST_COLOR: a |= SDM_DST_INV_DST_COLOR; break; case GL_CONSTANT_COLOR: case GL_ONE_MINUS_CONSTANT_COLOR: case GL_CONSTANT_ALPHA: case GL_ONE_MINUS_CONSTANT_ALPHA: fallback = GL_TRUE; break; default: return; } FALLBACK( imesa, I810_FALLBACK_BLEND_FUNC, fallback); if (!fallback) { I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_SDM] &= ~(SDM_SRC_MASK|SDM_DST_MASK); imesa->Setup[I810_CTXREG_SDM] |= a; } } static void i810DepthFunc(struct gl_context *ctx, GLenum func) { i810ContextPtr imesa = I810_CONTEXT(ctx); int zmode; switch(func) { case GL_NEVER: zmode = LCS_Z_NEVER; break; case GL_ALWAYS: zmode = LCS_Z_ALWAYS; break; case GL_LESS: zmode = LCS_Z_LESS; break; case GL_LEQUAL: zmode = LCS_Z_LEQUAL; break; case GL_EQUAL: zmode = LCS_Z_EQUAL; break; case GL_GREATER: zmode = LCS_Z_GREATER; break; case GL_GEQUAL: zmode = LCS_Z_GEQUAL; break; case GL_NOTEQUAL: zmode = LCS_Z_NOTEQUAL; break; default: return; } I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_LCS] &= ~LCS_Z_MASK; imesa->Setup[I810_CTXREG_LCS] |= zmode; } static void i810DepthMask(struct gl_context *ctx, GLboolean flag) { i810ContextPtr imesa = I810_CONTEXT(ctx); I810_STATECHANGE(imesa, I810_UPLOAD_CTX); if (flag) imesa->Setup[I810_CTXREG_B2] |= B2_ZB_WRITE_ENABLE; else imesa->Setup[I810_CTXREG_B2] &= ~B2_ZB_WRITE_ENABLE; } /* ============================================================= * Polygon stipple * * The i810 supports a 4x4 stipple natively, GL wants 32x32. * Fortunately stipple is usually a repeating pattern. */ static void i810PolygonStipple( struct gl_context *ctx, const GLubyte *mask ) { i810ContextPtr imesa = I810_CONTEXT(ctx); const GLubyte *m = mask; GLubyte p[4]; int i,j,k; int active = (ctx->Polygon.StippleFlag && imesa->reduced_primitive == GL_TRIANGLES); GLuint newMask; if (active) { I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_ST1] &= ~ST1_ENABLE; } p[0] = mask[12] & 0xf; p[0] |= p[0] << 4; p[1] = mask[8] & 0xf; p[1] |= p[1] << 4; p[2] = mask[4] & 0xf; p[2] |= p[2] << 4; p[3] = mask[0] & 0xf; p[3] |= p[3] << 4; for (k = 0 ; k < 8 ; k++) for (j = 0 ; j < 4; j++) for (i = 0 ; i < 4 ; i++) if (*m++ != p[j]) { imesa->stipple_in_hw = 0; return; } newMask = ((p[0] & 0xf) << 0) | ((p[1] & 0xf) << 4) | ((p[2] & 0xf) << 8) | ((p[3] & 0xf) << 12); if (newMask == 0xffff) { /* this is needed to make conform pass */ imesa->stipple_in_hw = 0; return; } imesa->Setup[I810_CTXREG_ST1] &= ~0xffff; imesa->Setup[I810_CTXREG_ST1] |= newMask; imesa->stipple_in_hw = 1; if (active) imesa->Setup[I810_CTXREG_ST1] |= ST1_ENABLE; } /* ============================================================= * Hardware clipping */ static void i810Scissor( struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h ) { i810ContextPtr imesa = I810_CONTEXT(ctx); if (ctx->Scissor.Enabled) { I810_FIREVERTICES(imesa); /* don't pipeline cliprect changes */ imesa->upload_cliprects = GL_TRUE; } imesa->scissor_rect.x1 = x; imesa->scissor_rect.y1 = imesa->driDrawable->h - (y + h); imesa->scissor_rect.x2 = x + w; imesa->scissor_rect.y2 = imesa->driDrawable->h - y; } static void i810LogicOp( struct gl_context *ctx, GLenum opcode ) { i810ContextPtr imesa = I810_CONTEXT(ctx); FALLBACK( imesa, I810_FALLBACK_LOGICOP, (ctx->Color.ColorLogicOpEnabled && opcode != GL_COPY) ); } /* Fallback to swrast for select and feedback. */ static void i810RenderMode( struct gl_context *ctx, GLenum mode ) { i810ContextPtr imesa = I810_CONTEXT(ctx); FALLBACK( imesa, I810_FALLBACK_RENDERMODE, (mode != GL_RENDER) ); } void i810DrawBuffer(struct gl_context *ctx, GLenum mode ) { i810ContextPtr imesa = I810_CONTEXT(ctx); int front = 0; if (ctx->DrawBuffer->_NumColorDrawBuffers != 1) { /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */ FALLBACK( imesa, I810_FALLBACK_DRAW_BUFFER, GL_TRUE ); return; } switch ( ctx->DrawBuffer->_ColorDrawBufferIndexes[0]) { case BUFFER_FRONT_LEFT: front = 1; break; case BUFFER_BACK_LEFT: front = 0; break; default: FALLBACK( imesa, I810_FALLBACK_DRAW_BUFFER, GL_TRUE ); return; } if ( imesa->sarea->pf_current_page == 1 ) front ^= 1; FALLBACK( imesa, I810_FALLBACK_DRAW_BUFFER, GL_FALSE ); I810_FIREVERTICES(imesa); I810_STATECHANGE(imesa, I810_UPLOAD_BUFFERS); if (front) { imesa->BufferSetup[I810_DESTREG_DI1] = (imesa->i810Screen->fbOffset | imesa->i810Screen->backPitchBits); i810XMesaSetFrontClipRects( imesa ); } else { imesa->BufferSetup[I810_DESTREG_DI1] = (imesa->i810Screen->backOffset | imesa->i810Screen->backPitchBits); i810XMesaSetBackClipRects( imesa ); } } static void i810ReadBuffer(struct gl_context *ctx, GLenum mode ) { /* XXX anything? */ } static void i810ClearColor(struct gl_context *ctx, const GLfloat color[4] ) { i810ContextPtr imesa = I810_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 = i810PackColor( imesa->i810Screen->fbFormat, c[0], c[1], c[2], c[3] ); } /* ============================================================= * Culling - the i810 isn't quite as clean here as the rest of * its interfaces, but it's not bad. */ static void i810CullFaceFrontFace(struct gl_context *ctx, GLenum unused) { i810ContextPtr imesa = I810_CONTEXT(ctx); GLuint mode = LCS_CULL_BOTH; if (ctx->Polygon.CullFaceMode != GL_FRONT_AND_BACK) { mode = LCS_CULL_CW; if (ctx->Polygon.CullFaceMode == GL_FRONT) mode ^= (LCS_CULL_CW ^ LCS_CULL_CCW); if (ctx->Polygon.FrontFace != GL_CCW) mode ^= (LCS_CULL_CW ^ LCS_CULL_CCW); } imesa->LcsCullMode = mode; if (ctx->Polygon.CullFlag) { I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_LCS] &= ~LCS_CULL_MASK; imesa->Setup[I810_CTXREG_LCS] |= mode; } } static void i810LineWidth( struct gl_context *ctx, GLfloat widthf ) { i810ContextPtr imesa = I810_CONTEXT( ctx ); /* AA, non-AA limits are same */ const int width = (int) CLAMP(ctx->Line.Width, ctx->Const.MinLineWidth, ctx->Const.MaxLineWidth); imesa->LcsLineWidth = 0; if (width & 1) imesa->LcsLineWidth |= LCS_LINEWIDTH_1_0; if (width & 2) imesa->LcsLineWidth |= LCS_LINEWIDTH_2_0; if (imesa->reduced_primitive == GL_LINES) { I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_LCS] &= ~LCS_LINEWIDTH_3_0; imesa->Setup[I810_CTXREG_LCS] |= imesa->LcsLineWidth; } } static void i810PointSize( struct gl_context *ctx, GLfloat sz ) { i810ContextPtr imesa = I810_CONTEXT( ctx ); /* AA, non-AA limits are same */ const int size = (int) CLAMP(ctx->Point.Size, ctx->Const.MinPointSize, ctx->Const.MaxPointSize); imesa->LcsPointSize = 0; if (size & 1) imesa->LcsPointSize |= LCS_LINEWIDTH_1_0; if (size & 2) imesa->LcsPointSize |= LCS_LINEWIDTH_2_0; if (imesa->reduced_primitive == GL_POINTS) { I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_LCS] &= ~LCS_LINEWIDTH_3_0; imesa->Setup[I810_CTXREG_LCS] |= imesa->LcsPointSize; } } /* ============================================================= * Color masks */ static void i810ColorMask(struct gl_context *ctx, GLboolean r, GLboolean g, GLboolean b, GLboolean a ) { i810ContextPtr imesa = I810_CONTEXT( ctx ); GLuint tmp = 0; if (r && g && b) { tmp = imesa->Setup[I810_CTXREG_B2] | B2_FB_WRITE_ENABLE; FALLBACK( imesa, I810_FALLBACK_COLORMASK, GL_FALSE ); } else if (!r && !g && !b) { tmp = imesa->Setup[I810_CTXREG_B2] & ~B2_FB_WRITE_ENABLE; FALLBACK( imesa, I810_FALLBACK_COLORMASK, GL_FALSE ); } else { FALLBACK( imesa, I810_FALLBACK_COLORMASK, GL_TRUE ); return; } if (tmp != imesa->Setup[I810_CTXREG_B2]) { I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_B2] = tmp; imesa->dirty |= I810_UPLOAD_CTX; } } /* Seperate specular not fully implemented on the i810. */ static void i810LightModelfv(struct gl_context *ctx, GLenum pname, const GLfloat *param) { if (pname == GL_LIGHT_MODEL_COLOR_CONTROL) { i810ContextPtr imesa = I810_CONTEXT( ctx ); FALLBACK( imesa, I810_FALLBACK_SPECULAR, (ctx->Light.Enabled && ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)); } } /* But the 815 has it... */ static void i810LightModelfv_i815(struct gl_context *ctx, GLenum pname, const GLfloat *param) { if (pname == GL_LIGHT_MODEL_COLOR_CONTROL) { i810ContextPtr imesa = I810_CONTEXT( ctx ); I810_STATECHANGE(imesa, I810_UPLOAD_CTX); if (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR) imesa->Setup[I810_CTXREG_B1] |= B1_SPEC_ENABLE; else imesa->Setup[I810_CTXREG_B1] &= ~B1_SPEC_ENABLE; } } /* In Mesa 3.5 we can reliably do native flatshading. */ static void i810ShadeModel(struct gl_context *ctx, GLenum mode) { i810ContextPtr imesa = I810_CONTEXT(ctx); I810_STATECHANGE(imesa, I810_UPLOAD_CTX); if (mode == GL_FLAT) imesa->Setup[I810_CTXREG_LCS] |= LCS_INTERP_FLAT; else imesa->Setup[I810_CTXREG_LCS] &= ~LCS_INTERP_FLAT; } /* ============================================================= * Fog */ static void i810Fogfv(struct gl_context *ctx, GLenum pname, const GLfloat *param) { i810ContextPtr imesa = I810_CONTEXT(ctx); if (pname == GL_FOG_COLOR) { GLuint color = (((GLubyte)(ctx->Fog.Color[0]*255.0F) << 16) | ((GLubyte)(ctx->Fog.Color[1]*255.0F) << 8) | ((GLubyte)(ctx->Fog.Color[2]*255.0F) << 0)); I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_FOG] = ((GFX_OP_FOG_COLOR | color) & ~FOG_RESERVED_MASK); } } /* ============================================================= */ static void i810Enable(struct gl_context *ctx, GLenum cap, GLboolean state) { i810ContextPtr imesa = I810_CONTEXT(ctx); switch(cap) { case GL_ALPHA_TEST: I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_B1] &= ~B1_ALPHA_TEST_ENABLE; if (state) imesa->Setup[I810_CTXREG_B1] |= B1_ALPHA_TEST_ENABLE; break; case GL_BLEND: I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_B1] &= ~B1_BLEND_ENABLE; if (state) imesa->Setup[I810_CTXREG_B1] |= B1_BLEND_ENABLE; /* For some reason enable(GL_BLEND) affects ColorLogicOpEnabled. */ FALLBACK( imesa, I810_FALLBACK_LOGICOP, (ctx->Color.ColorLogicOpEnabled && ctx->Color.LogicOp != GL_COPY)); break; case GL_DEPTH_TEST: I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_B1] &= ~B1_Z_TEST_ENABLE; if (state) imesa->Setup[I810_CTXREG_B1] |= B1_Z_TEST_ENABLE; break; case GL_SCISSOR_TEST: /* XXX without these next two lines, conform's scissor test fails */ I810_STATECHANGE(imesa, I810_UPLOAD_CTX); I810_STATECHANGE(imesa, I810_UPLOAD_BUFFERS); I810_FIREVERTICES(imesa); /* don't pipeline cliprect changes */ imesa->upload_cliprects = GL_TRUE; imesa->scissor = state; break; case GL_POLYGON_STIPPLE: if (imesa->stipple_in_hw && imesa->reduced_primitive == GL_TRIANGLES) { I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_ST1] &= ~ST1_ENABLE; if (state) imesa->Setup[I810_CTXREG_ST1] |= ST1_ENABLE; } break; case GL_LINE_SMOOTH: /* Need to fatten the lines by .5, or they disappear... */ if (imesa->reduced_primitive == GL_LINES) { I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_AA] &= ~AA_ENABLE; imesa->Setup[I810_CTXREG_LCS] &= ~LCS_LINEWIDTH_0_5; if (state) { imesa->Setup[I810_CTXREG_AA] |= AA_ENABLE; imesa->Setup[I810_CTXREG_LCS] |= LCS_LINEWIDTH_0_5; } } break; case GL_POINT_SMOOTH: if (imesa->reduced_primitive == GL_POINTS) { I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_AA] &= ~AA_ENABLE; imesa->Setup[I810_CTXREG_LCS] &= ~LCS_LINEWIDTH_0_5; if (state) { imesa->Setup[I810_CTXREG_AA] |= AA_ENABLE; imesa->Setup[I810_CTXREG_LCS] |= LCS_LINEWIDTH_0_5; } } break; case GL_POLYGON_SMOOTH: if (imesa->reduced_primitive == GL_TRIANGLES) { I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_AA] &= ~AA_ENABLE; if (state) imesa->Setup[I810_CTXREG_AA] |= AA_ENABLE; } break; case GL_FOG: I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_B1] &= ~B1_FOG_ENABLE; if (state) imesa->Setup[I810_CTXREG_B1] |= B1_FOG_ENABLE; break; case GL_CULL_FACE: I810_STATECHANGE(imesa, I810_UPLOAD_CTX); imesa->Setup[I810_CTXREG_LCS] &= ~LCS_CULL_MASK; if (state) imesa->Setup[I810_CTXREG_LCS] |= imesa->LcsCullMode; else imesa->Setup[I810_CTXREG_LCS] |= LCS_CULL_DISABLE; break; case GL_TEXTURE_2D: case GL_TEXTURE_RECTANGLE_NV: I810_STATECHANGE(imesa, I810_UPLOAD_CTX); if (ctx->Texture.CurrentUnit == 0) { imesa->Setup[I810_CTXREG_MT] &= ~MT_TEXEL0_ENABLE; if (state) imesa->Setup[I810_CTXREG_MT] |= MT_TEXEL0_ENABLE; } else { imesa->Setup[I810_CTXREG_MT] &= ~MT_TEXEL1_ENABLE; if (state) imesa->Setup[I810_CTXREG_MT] |= MT_TEXEL1_ENABLE; } break; case GL_COLOR_LOGIC_OP: FALLBACK( imesa, I810_FALLBACK_LOGICOP, (state && ctx->Color.LogicOp != GL_COPY)); break; case GL_STENCIL_TEST: FALLBACK( imesa, I810_FALLBACK_STENCIL, state ); break; default: ; } } /* ============================================================= */ void i810EmitDrawingRectangle( i810ContextPtr imesa ) { __DRIdrawable *dPriv = imesa->driDrawable; i810ScreenPrivate *i810Screen = imesa->i810Screen; int x0 = imesa->drawX; int y0 = imesa->drawY; int x1 = x0 + dPriv->w; int y1 = y0 + dPriv->h; GLuint dr2, dr3, dr4; /* Coordinate origin of the window - may be offscreen. */ dr4 = imesa->BufferSetup[I810_DESTREG_DR4] = ((y0<<16) | (((unsigned)x0)&0xFFFF)); /* Clip to screen. */ if (x0 < 0) x0 = 0; if (y0 < 0) y0 = 0; if (x1 > i810Screen->width-1) x1 = i810Screen->width-1; if (y1 > i810Screen->height-1) y1 = i810Screen->height-1; /* Onscreen drawing rectangle. */ dr2 = imesa->BufferSetup[I810_DESTREG_DR2] = ((y0<<16) | x0); dr3 = imesa->BufferSetup[I810_DESTREG_DR3] = (((y1+1)<<16) | (x1+1)); imesa->dirty |= I810_UPLOAD_BUFFERS; } static void i810CalcViewport( struct gl_context *ctx ) { i810ContextPtr imesa = I810_CONTEXT(ctx); const GLfloat *v = ctx->Viewport._WindowMap.m; GLfloat *m = imesa->ViewportMatrix.m; /* See also i810_translate_vertex. SUBPIXEL adjustments can be done * via state vars, too. */ m[MAT_SX] = v[MAT_SX]; m[MAT_TX] = v[MAT_TX] + SUBPIXEL_X; m[MAT_SY] = - v[MAT_SY]; m[MAT_TY] = - v[MAT_TY] + imesa->driDrawable->h + SUBPIXEL_Y; m[MAT_SZ] = v[MAT_SZ] * (1.0 / 0xffff); m[MAT_TZ] = v[MAT_TZ] * (1.0 / 0xffff); } static void i810Viewport( struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei height ) { i810CalcViewport( ctx ); } static void i810DepthRange( struct gl_context *ctx, GLclampd nearval, GLclampd farval ) { i810CalcViewport( ctx ); } void i810PrintDirty( const char *msg, GLuint state ) { fprintf(stderr, "%s (0x%x): %s%s%s%s\n", msg, (unsigned int) state, (state & I810_UPLOAD_TEX0) ? "upload-tex0, " : "", (state & I810_UPLOAD_TEX1) ? "upload-tex1, " : "", (state & I810_UPLOAD_CTX) ? "upload-ctx, " : "", (state & I810_UPLOAD_BUFFERS) ? "upload-bufs, " : "" ); } void i810InitState( struct gl_context *ctx ) { i810ContextPtr imesa = I810_CONTEXT(ctx); i810ScreenPrivate *i810Screen = imesa->i810Screen; memset(imesa->Setup, 0, sizeof(imesa->Setup)); imesa->Setup[I810_CTXREG_VF] = 0; imesa->Setup[I810_CTXREG_MT] = (GFX_OP_MAP_TEXELS | MT_UPDATE_TEXEL1_STATE | MT_TEXEL1_COORD1 | MT_TEXEL1_MAP1 | MT_TEXEL1_DISABLE | MT_UPDATE_TEXEL0_STATE | MT_TEXEL0_COORD0 | MT_TEXEL0_MAP0 | MT_TEXEL0_DISABLE); imesa->Setup[I810_CTXREG_MC0] = ( GFX_OP_MAP_COLOR_STAGES | MC_STAGE_0 | MC_UPDATE_DEST | MC_DEST_CURRENT | MC_UPDATE_ARG1 | ((MC_ARG_ITERATED_COLOR | MC_ARG_DONT_REPLICATE_ALPHA | MC_ARG_DONT_INVERT) << MC_ARG1_SHIFT) | MC_UPDATE_ARG2 | ((MC_ARG_ONE | MC_ARG_DONT_REPLICATE_ALPHA | MC_ARG_DONT_INVERT) << MC_ARG2_SHIFT) | MC_UPDATE_OP | MC_OP_ARG1 ); imesa->Setup[I810_CTXREG_MC1] = ( GFX_OP_MAP_COLOR_STAGES | MC_STAGE_1 | MC_UPDATE_DEST | MC_DEST_CURRENT | MC_UPDATE_ARG1 | ((MC_ARG_ONE | MC_ARG_DONT_REPLICATE_ALPHA | MC_ARG_DONT_INVERT) << MC_ARG1_SHIFT) | MC_UPDATE_ARG2 | ((MC_ARG_ONE | MC_ARG_DONT_REPLICATE_ALPHA | MC_ARG_DONT_INVERT) << MC_ARG2_SHIFT) | MC_UPDATE_OP | MC_OP_DISABLE ); imesa->Setup[I810_CTXREG_MC2] = ( GFX_OP_MAP_COLOR_STAGES | MC_STAGE_2 | MC_UPDATE_DEST | MC_DEST_CURRENT | MC_UPDATE_ARG1 | ((MC_ARG_CURRENT_COLOR | MC_ARG_REPLICATE_ALPHA | MC_ARG_DONT_INVERT) << MC_ARG1_SHIFT) | MC_UPDATE_ARG2 | ((MC_ARG_ONE | MC_ARG_DONT_REPLICATE_ALPHA | MC_ARG_DONT_INVERT) << MC_ARG2_SHIFT) | MC_UPDATE_OP | MC_OP_DISABLE ); imesa->Setup[I810_CTXREG_MA0] = ( GFX_OP_MAP_ALPHA_STAGES | MA_STAGE_0 | MA_UPDATE_ARG1 | ((MA_ARG_ITERATED_ALPHA | MA_ARG_DONT_INVERT) << MA_ARG1_SHIFT) | MA_UPDATE_ARG2 | ((MA_ARG_CURRENT_ALPHA | MA_ARG_DONT_INVERT) << MA_ARG2_SHIFT) | MA_UPDATE_OP | MA_OP_ARG1 ); imesa->Setup[I810_CTXREG_MA1] = ( GFX_OP_MAP_ALPHA_STAGES | MA_STAGE_1 | MA_UPDATE_ARG1 | ((MA_ARG_CURRENT_ALPHA | MA_ARG_DONT_INVERT) << MA_ARG1_SHIFT) | MA_UPDATE_ARG2 | ((MA_ARG_CURRENT_ALPHA | MA_ARG_DONT_INVERT) << MA_ARG2_SHIFT) | MA_UPDATE_OP | MA_OP_ARG1 ); imesa->Setup[I810_CTXREG_MA2] = ( GFX_OP_MAP_ALPHA_STAGES | MA_STAGE_2 | MA_UPDATE_ARG1 | ((MA_ARG_CURRENT_ALPHA | MA_ARG_DONT_INVERT) << MA_ARG1_SHIFT) | MA_UPDATE_ARG2 | ((MA_ARG_CURRENT_ALPHA | MA_ARG_DONT_INVERT) << MA_ARG2_SHIFT) | MA_UPDATE_OP | MA_OP_ARG1 ); imesa->Setup[I810_CTXREG_SDM] = ( GFX_OP_SRC_DEST_MONO | SDM_UPDATE_MONO_ENABLE | 0 | SDM_UPDATE_SRC_BLEND | SDM_SRC_ONE | SDM_UPDATE_DST_BLEND | SDM_DST_ZERO ); /* Use for colormask: */ imesa->Setup[I810_CTXREG_CF0] = GFX_OP_COLOR_FACTOR; imesa->Setup[I810_CTXREG_CF1] = 0xffffffff; imesa->Setup[I810_CTXREG_ZA] = (GFX_OP_ZBIAS_ALPHAFUNC | ZA_UPDATE_ALPHAFUNC | ZA_ALPHA_ALWAYS | ZA_UPDATE_ZBIAS | 0 | ZA_UPDATE_ALPHAREF | 0x0); imesa->Setup[I810_CTXREG_FOG] = (GFX_OP_FOG_COLOR | (0xffffff & ~FOG_RESERVED_MASK)); /* Choose a pipe */ imesa->Setup[I810_CTXREG_B1] = ( GFX_OP_BOOL_1 | B1_UPDATE_SPEC_SETUP_ENABLE | 0 | B1_UPDATE_ALPHA_SETUP_ENABLE | B1_ALPHA_SETUP_ENABLE | B1_UPDATE_CI_KEY_ENABLE | 0 | B1_UPDATE_CHROMAKEY_ENABLE | 0 | B1_UPDATE_Z_BIAS_ENABLE | 0 | B1_UPDATE_SPEC_ENABLE | 0 | B1_UPDATE_FOG_ENABLE | 0 | B1_UPDATE_ALPHA_TEST_ENABLE | 0 | B1_UPDATE_BLEND_ENABLE | 0 | B1_UPDATE_Z_TEST_ENABLE | 0 ); imesa->Setup[I810_CTXREG_B2] = ( GFX_OP_BOOL_2 | B2_UPDATE_MAP_CACHE_ENABLE | B2_MAP_CACHE_ENABLE | B2_UPDATE_ALPHA_DITHER_ENABLE | 0 | B2_UPDATE_FOG_DITHER_ENABLE | 0 | B2_UPDATE_SPEC_DITHER_ENABLE | 0 | B2_UPDATE_RGB_DITHER_ENABLE | B2_RGB_DITHER_ENABLE | B2_UPDATE_FB_WRITE_ENABLE | B2_FB_WRITE_ENABLE | B2_UPDATE_ZB_WRITE_ENABLE | B2_ZB_WRITE_ENABLE ); imesa->Setup[I810_CTXREG_LCS] = ( GFX_OP_LINEWIDTH_CULL_SHADE_MODE | LCS_UPDATE_ZMODE | LCS_Z_LESS | LCS_UPDATE_LINEWIDTH | LCS_LINEWIDTH_1_0 | LCS_UPDATE_ALPHA_INTERP | LCS_ALPHA_INTERP | LCS_UPDATE_FOG_INTERP | 0 | LCS_UPDATE_SPEC_INTERP | 0 | LCS_UPDATE_RGB_INTERP | LCS_RGB_INTERP | LCS_UPDATE_CULL_MODE | LCS_CULL_DISABLE); imesa->LcsCullMode = LCS_CULL_CW; imesa->LcsLineWidth = LCS_LINEWIDTH_1_0; imesa->LcsPointSize = LCS_LINEWIDTH_1_0; imesa->Setup[I810_CTXREG_PV] = ( GFX_OP_PV_RULE | PV_UPDATE_PIXRULE | PV_PIXRULE_ENABLE | PV_UPDATE_LINELIST | PV_LINELIST_PV1 | PV_UPDATE_TRIFAN | PV_TRIFAN_PV2 | PV_UPDATE_TRISTRIP | PV_TRISTRIP_PV2 ); imesa->Setup[I810_CTXREG_ST0] = GFX_OP_STIPPLE; imesa->Setup[I810_CTXREG_ST1] = 0; imesa->Setup[I810_CTXREG_AA] = ( GFX_OP_ANTIALIAS | AA_UPDATE_EDGEFLAG | 0 | AA_UPDATE_POLYWIDTH | AA_POLYWIDTH_05 | AA_UPDATE_LINEWIDTH | AA_LINEWIDTH_05 | AA_UPDATE_BB_EXPANSION | 0 | AA_UPDATE_AA_ENABLE | 0 ); memset(imesa->BufferSetup, 0, sizeof(imesa->BufferSetup)); imesa->BufferSetup[I810_DESTREG_DI0] = CMD_OP_DESTBUFFER_INFO; if (imesa->glCtx->Visual.doubleBufferMode && imesa->sarea->pf_current_page == 0) { /* use back buffer by default */ imesa->BufferSetup[I810_DESTREG_DI1] = (i810Screen->backOffset | i810Screen->backPitchBits); } else { /* use front buffer by default */ imesa->BufferSetup[I810_DESTREG_DI1] = (i810Screen->fbOffset | i810Screen->backPitchBits); } imesa->BufferSetup[I810_DESTREG_DV0] = GFX_OP_DESTBUFFER_VARS; imesa->BufferSetup[I810_DESTREG_DV1] = (DV_HORG_BIAS_OGL | DV_VORG_BIAS_OGL | i810Screen->fbFormat); imesa->BufferSetup[I810_DESTREG_DR0] = GFX_OP_DRAWRECT_INFO; imesa->BufferSetup[I810_DESTREG_DR1] = DR1_RECT_CLIP_ENABLE; } static void i810InvalidateState( 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 ); I810_CONTEXT(ctx)->new_state |= new_state; } void i810InitStateFuncs(struct gl_context *ctx) { /* Callbacks for internal Mesa events. */ ctx->Driver.UpdateState = i810InvalidateState; /* API callbacks */ ctx->Driver.AlphaFunc = i810AlphaFunc; ctx->Driver.BlendEquationSeparate = i810BlendEquationSeparate; ctx->Driver.BlendFuncSeparate = i810BlendFuncSeparate; ctx->Driver.ClearColor = i810ClearColor; ctx->Driver.ColorMask = i810ColorMask; ctx->Driver.CullFace = i810CullFaceFrontFace; ctx->Driver.DepthFunc = i810DepthFunc; ctx->Driver.DepthMask = i810DepthMask; ctx->Driver.Enable = i810Enable; ctx->Driver.Fogfv = i810Fogfv; ctx->Driver.FrontFace = i810CullFaceFrontFace; ctx->Driver.LineWidth = i810LineWidth; ctx->Driver.LogicOpcode = i810LogicOp; ctx->Driver.PolygonStipple = i810PolygonStipple; ctx->Driver.RenderMode = i810RenderMode; ctx->Driver.Scissor = i810Scissor; ctx->Driver.DrawBuffer = i810DrawBuffer; ctx->Driver.ReadBuffer = i810ReadBuffer; ctx->Driver.ShadeModel = i810ShadeModel; ctx->Driver.DepthRange = i810DepthRange; ctx->Driver.Viewport = i810Viewport; ctx->Driver.PointSize = i810PointSize; if (IS_I815(I810_CONTEXT(ctx))) { ctx->Driver.LightModelfv = i810LightModelfv_i815; } else { ctx->Driver.LightModelfv = i810LightModelfv; } }