X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fs_aaline.c;h=cdd860a41bc7b16743d987e6d77967493bd72075;hb=80a8021d6ce02be599b3befd2dae6506a91f174a;hp=b3a209923fd2ed83d48b0199ba65c92b3dfc8596;hpb=e3358dea660f5dec53a8be9e38d725f4fd829e14;p=mesa.git diff --git a/src/mesa/swrast/s_aaline.c b/src/mesa/swrast/s_aaline.c index b3a209923fd..cdd860a41bc 100644 --- a/src/mesa/swrast/s_aaline.c +++ b/src/mesa/swrast/s_aaline.c @@ -1,8 +1,7 @@ /* * Mesa 3-D graphics library - * Version: 6.1 * - * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 Brian Paul 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"), @@ -17,20 +16,23 @@ * 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 NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL 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. + * THE AUTHORS OR COPYRIGHT HOLDERS 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 "glheader.h" -#include "imports.h" -#include "macros.h" +#include "c99_math.h" +#include "main/glheader.h" +#include "main/imports.h" +#include "main/macros.h" +#include "main/mtypes.h" +#include "main/teximage.h" #include "swrast/s_aaline.h" #include "swrast/s_context.h" #include "swrast/s_span.h" #include "swrast/swrast.h" -#include "mtypes.h" #define SUB_PIXEL 4 @@ -59,22 +61,14 @@ struct LineInfo /* DO_Z */ GLfloat zPlane[4]; - /* DO_FOG */ - GLfloat fPlane[4]; - /* DO_RGBA */ + /* DO_RGBA - always enabled */ GLfloat rPlane[4], gPlane[4], bPlane[4], aPlane[4]; - /* DO_INDEX */ - GLfloat iPlane[4]; - /* DO_SPEC */ - GLfloat srPlane[4], sgPlane[4], sbPlane[4]; - /* DO_TEX or DO_MULTITEX */ - GLfloat sPlane[MAX_TEXTURE_COORD_UNITS][4]; - GLfloat tPlane[MAX_TEXTURE_COORD_UNITS][4]; - GLfloat uPlane[MAX_TEXTURE_COORD_UNITS][4]; - GLfloat vPlane[MAX_TEXTURE_COORD_UNITS][4]; - GLfloat lambda[MAX_TEXTURE_COORD_UNITS]; - GLfloat texWidth[MAX_TEXTURE_COORD_UNITS]; - GLfloat texHeight[MAX_TEXTURE_COORD_UNITS]; + /* DO_ATTRIBS */ + GLfloat wPlane[4]; + GLfloat attrPlane[VARYING_SLOT_MAX][4][4]; + GLfloat lambda[VARYING_SLOT_MAX]; + GLfloat texWidth[VARYING_SLOT_MAX]; + GLfloat texHeight[VARYING_SLOT_MAX]; SWspan span; }; @@ -122,11 +116,11 @@ compute_plane(GLfloat x0, GLfloat y0, GLfloat x1, GLfloat y1, const GLfloat b = pz * py; const GLfloat c = px * px + py * py; const GLfloat d = -(a * x0 + b * y0 + c * z0); - if (a == 0.0 && b == 0.0 && c == 0.0 && d == 0.0) { - plane[0] = 0.0; - plane[1] = 0.0; - plane[2] = 1.0; - plane[3] = 0.0; + if (a == 0.0F && b == 0.0F && c == 0.0F && d == 0.0F) { + plane[0] = 0.0F; + plane[1] = 0.0F; + plane[2] = 1.0F; + plane[3] = 0.0F; } else { plane[0] = a; @@ -138,17 +132,17 @@ compute_plane(GLfloat x0, GLfloat y0, GLfloat x1, GLfloat y1, } -static INLINE void +static inline void constant_plane(GLfloat value, GLfloat plane[4]) { - plane[0] = 0.0; - plane[1] = 0.0; - plane[2] = -1.0; + plane[0] = 0.0F; + plane[1] = 0.0F; + plane[2] = -1.0F; plane[3] = value; } -static INLINE GLfloat +static inline GLfloat solve_plane(GLfloat x, GLfloat y, const GLfloat plane[4]) { const GLfloat z = (plane[3] + plane[0] * x + plane[1] * y) / -plane[2]; @@ -162,12 +156,12 @@ solve_plane(GLfloat x, GLfloat y, const GLfloat plane[4]) /* * Return 1 / solve_plane(). */ -static INLINE GLfloat +static inline GLfloat solve_plane_recip(GLfloat x, GLfloat y, const GLfloat plane[4]) { const GLfloat denom = plane[3] + plane[0] * x + plane[1] * y; - if (denom == 0.0) - return 0.0; + if (denom == 0.0F) + return 0.0F; else return -plane[2] / denom; } @@ -176,7 +170,7 @@ solve_plane_recip(GLfloat x, GLfloat y, const GLfloat plane[4]) /* * Solve plane and return clamped GLchan value. */ -static INLINE GLchan +static inline GLchan solve_plane_chan(GLfloat x, GLfloat y, const GLfloat plane[4]) { const GLfloat z = (plane[3] + plane[0] * x + plane[1] * y) / -plane[2]; @@ -195,7 +189,7 @@ solve_plane_chan(GLfloat x, GLfloat y, const GLfloat plane[4]) /* * Compute mipmap level of detail. */ -static INLINE GLfloat +static inline GLfloat compute_lambda(const GLfloat sPlane[4], const GLfloat tPlane[4], GLfloat invQ, GLfloat width, GLfloat height) { @@ -210,7 +204,7 @@ compute_lambda(const GLfloat sPlane[4], const GLfloat tPlane[4], if (rho2 == 0.0F) return 0.0; else - return (GLfloat) (LOGF(rho2) * 1.442695 * 0.5);/* 1.442695 = 1/log(2) */ + return logf(rho2) * 1.442695f * 0.5f;/* 1.442695 = 1/log(2) */ } @@ -331,21 +325,7 @@ compute_coveragef(const struct LineInfo *info, } -/** - * Compute coverage value for color index mode. - * XXX this may not be quite correct. - * \return coverage in [0,15]. - */ -static GLfloat -compute_coveragei(const struct LineInfo *info, - GLint winx, GLint winy) -{ - return compute_coveragef(info, winx, winy) * 15.0F; -} - - - -typedef void (*plot_func)(GLcontext *ctx, struct LineInfo *line, +typedef void (*plot_func)(struct gl_context *ctx, struct LineInfo *line, int ix, int iy); @@ -354,7 +334,7 @@ typedef void (*plot_func)(GLcontext *ctx, struct LineInfo *line, * Draw an AA line segment (called many times per line when stippling) */ static void -segment(GLcontext *ctx, +segment(struct gl_context *ctx, struct LineInfo *line, plot_func plot, GLfloat t0, GLfloat t1) @@ -394,7 +374,7 @@ segment(GLcontext *ctx, if (x0 < x1) { xLeft = x0 - line->halfWidth; xRight = x1 + line->halfWidth; - if (line->dy >= 0.0) { + if (line->dy >= 0.0F) { yBot = y0 - 3.0F * line->halfWidth; yTop = y0 + line->halfWidth; } @@ -406,7 +386,7 @@ segment(GLcontext *ctx, else { xLeft = x1 - line->halfWidth; xRight = x0 + line->halfWidth; - if (line->dy <= 0.0) { + if (line->dy <= 0.0F) { yBot = y1 - 3.0F * line->halfWidth; yTop = y1 + line->halfWidth; } @@ -426,7 +406,7 @@ segment(GLcontext *ctx, GLint iy; /* scan across the line, bottom-to-top */ for (iy = iyBot; iy < iyTop; iy++) { - (*plot)(ctx, line, ix, iy); + plot(ctx, line, ix, iy); } yBot += dydx; yTop += dydx; @@ -440,7 +420,7 @@ segment(GLcontext *ctx, if (y0 < y1) { yBot = y0 - line->halfWidth; yTop = y1 + line->halfWidth; - if (line->dx >= 0.0) { + if (line->dx >= 0.0F) { xLeft = x0 - 3.0F * line->halfWidth; xRight = x0 + line->halfWidth; } @@ -452,7 +432,7 @@ segment(GLcontext *ctx, else { yBot = y1 - line->halfWidth; yTop = y0 + line->halfWidth; - if (line->dx <= 0.0) { + if (line->dx <= 0.0F) { xLeft = x1 - 3.0F * line->halfWidth; xRight = x1 + line->halfWidth; } @@ -472,7 +452,7 @@ segment(GLcontext *ctx, GLint ix; /* scan across the line, left-to-right */ for (ix = ixLeft; ix < ixRight; ix++) { - (*plot)(ctx, line, ix, iy); + plot(ctx, line, ix, iy); } xLeft += dxdy; xRight += dxdy; @@ -481,74 +461,34 @@ segment(GLcontext *ctx, } -#define NAME(x) aa_ci_##x -#define DO_Z -#define DO_FOG -#define DO_INDEX -#include "s_aalinetemp.h" - - #define NAME(x) aa_rgba_##x #define DO_Z -#define DO_FOG -#define DO_RGBA -#include "s_aalinetemp.h" - - -#define NAME(x) aa_tex_rgba_##x -#define DO_Z -#define DO_FOG -#define DO_RGBA -#define DO_TEX -#include "s_aalinetemp.h" - - -#define NAME(x) aa_multitex_rgba_##x -#define DO_Z -#define DO_FOG -#define DO_RGBA -#define DO_MULTITEX #include "s_aalinetemp.h" -#define NAME(x) aa_multitex_spec_##x +#define NAME(x) aa_general_rgba_##x #define DO_Z -#define DO_FOG -#define DO_RGBA -#define DO_MULTITEX -#define DO_SPEC +#define DO_ATTRIBS #include "s_aalinetemp.h" void -_swrast_choose_aa_line_function(GLcontext *ctx) +_swrast_choose_aa_line_function(struct gl_context *ctx) { SWcontext *swrast = SWRAST_CONTEXT(ctx); - ASSERT(ctx->Line.SmoothFlag); - - if (ctx->Visual.rgbMode) { - /* RGBA */ - if (ctx->Texture._EnabledCoordUnits != 0) { - if (ctx->Texture._EnabledCoordUnits > 1) { - /* Multitextured! */ - if (ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR || - ctx->Fog.ColorSumEnabled) - swrast->Line = aa_multitex_spec_line; - else - swrast->Line = aa_multitex_rgba_line; - } - else { - swrast->Line = aa_tex_rgba_line; - } - } - else { - swrast->Line = aa_rgba_line; - } + assert(ctx->Line.SmoothFlag); + + if (ctx->Texture._EnabledCoordUnits != 0 + || _swrast_use_fragment_program(ctx) + || (ctx->Light.Enabled && + ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR) + || ctx->Fog.ColorSumEnabled + || swrast->_FogEnabled) { + swrast->Line = aa_general_rgba_line; } else { - /* Color Index */ - swrast->Line = aa_ci_line; + swrast->Line = aa_rgba_line; } }