From 209657f69055b17b00c3db3f99c7f411a6e8d176 Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Fri, 17 Feb 2017 16:11:01 +0100 Subject: nx-X11/extras/Mesa: Drop bundled Mesa, place a symlink to imported Git subtree of Mesa_6.4.1 instead. --- nx-X11/extras/Mesa/src/mesa/swrast/s_linetemp.h | 454 ------------------------ 1 file changed, 454 deletions(-) delete mode 100644 nx-X11/extras/Mesa/src/mesa/swrast/s_linetemp.h (limited to 'nx-X11/extras/Mesa/src/mesa/swrast/s_linetemp.h') diff --git a/nx-X11/extras/Mesa/src/mesa/swrast/s_linetemp.h b/nx-X11/extras/Mesa/src/mesa/swrast/s_linetemp.h deleted file mode 100644 index af7aeabf6..000000000 --- a/nx-X11/extras/Mesa/src/mesa/swrast/s_linetemp.h +++ /dev/null @@ -1,454 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * Copyright (C) 1999-2004 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"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * 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 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 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. - */ - - -/* - * Line Rasterizer Template - * - * This file is #include'd to generate custom line rasterizers. - * - * The following macros may be defined to indicate what auxillary information - * must be interplated along the line: - * INTERP_Z - if defined, interpolate Z values - * INTERP_FOG - if defined, interpolate FOG values - * INTERP_RGBA - if defined, interpolate RGBA values - * INTERP_SPEC - if defined, interpolate specular RGB values - * INTERP_INDEX - if defined, interpolate color index values - * INTERP_TEX - if defined, interpolate unit 0 texcoords - * INTERP_MULTITEX - if defined, interpolate multi-texcoords - * - * When one can directly address pixels in the color buffer the following - * macros can be defined and used to directly compute pixel addresses during - * rasterization (see pixelPtr): - * PIXEL_TYPE - the datatype of a pixel (GLubyte, GLushort, GLuint) - * BYTES_PER_ROW - number of bytes per row in the color buffer - * PIXEL_ADDRESS(X,Y) - returns the address of pixel at (X,Y) where - * Y==0 at bottom of screen and increases upward. - * - * Similarly, for direct depth buffer access, this type is used for depth - * buffer addressing: - * DEPTH_TYPE - either GLushort or GLuint - * - * Optionally, one may provide one-time setup code - * SETUP_CODE - code which is to be executed once per line - * - * To actually "plot" each pixel the PLOT macro must be defined... - * PLOT(X,Y) - code to plot a pixel. Example: - * if (Z < *zPtr) { - * *zPtr = Z; - * color = pack_rgb( FixedToInt(r0), FixedToInt(g0), - * FixedToInt(b0) ); - * put_pixel( X, Y, color ); - * } - * - * This code was designed for the origin to be in the lower-left corner. - * - */ - - -static void -NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 ) -{ - struct sw_span span; - GLuint interpFlags = 0; - GLint x0 = (GLint) vert0->win[0]; - GLint x1 = (GLint) vert1->win[0]; - GLint y0 = (GLint) vert0->win[1]; - GLint y1 = (GLint) vert1->win[1]; - GLint dx, dy; - GLint numPixels; - GLint xstep, ystep; -#if defined(DEPTH_TYPE) - const GLint depthBits = ctx->Visual.depthBits; - const GLint fixedToDepthShift = depthBits <= 16 ? FIXED_SHIFT : 0; - struct gl_renderbuffer *zrb = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer; -#define FixedToDepth(F) ((F) >> fixedToDepthShift) - GLint zPtrXstep, zPtrYstep; - DEPTH_TYPE *zPtr; -#elif defined(INTERP_Z) - const GLint depthBits = ctx->Visual.depthBits; -#endif -#ifdef PIXEL_ADDRESS - PIXEL_TYPE *pixelPtr; - GLint pixelXstep, pixelYstep; -#endif - -#ifdef SETUP_CODE - SETUP_CODE -#endif - - /* Cull primitives with malformed coordinates. - */ - { - GLfloat tmp = vert0->win[0] + vert0->win[1] - + vert1->win[0] + vert1->win[1]; - if (IS_INF_OR_NAN(tmp)) - return; - } - - /* - printf("%s():\n", __FUNCTION__); - printf(" (%f, %f, %f) -> (%f, %f, %f)\n", - vert0->win[0], vert0->win[1], vert0->win[2], - vert1->win[0], vert1->win[1], vert1->win[2]); - printf(" (%d, %d, %d) -> (%d, %d, %d)\n", - vert0->color[0], vert0->color[1], vert0->color[2], - vert1->color[0], vert1->color[1], vert1->color[2]); - printf(" (%d, %d, %d) -> (%d, %d, %d)\n", - vert0->specular[0], vert0->specular[1], vert0->specular[2], - vert1->specular[0], vert1->specular[1], vert1->specular[2]); - */ - -/* - * Despite being clipped to the view volume, the line's window coordinates - * may just lie outside the window bounds. That is, if the legal window - * coordinates are [0,W-1][0,H-1], it's possible for x==W and/or y==H. - * This quick and dirty code nudges the endpoints inside the window if - * necessary. - */ -#ifdef CLIP_HACK - { - GLint w = ctx->DrawBuffer->Width; - GLint h = ctx->DrawBuffer->Height; - if ((x0==w) | (x1==w)) { - if ((x0==w) & (x1==w)) - return; - x0 -= x0==w; - x1 -= x1==w; - } - if ((y0==h) | (y1==h)) { - if ((y0==h) & (y1==h)) - return; - y0 -= y0==h; - y1 -= y1==h; - } - } -#endif - - dx = x1 - x0; - dy = y1 - y0; - if (dx == 0 && dy == 0) - return; - -#ifdef DEPTH_TYPE - zPtr = (DEPTH_TYPE *) zrb->GetPointer(ctx, zrb, x0, y0); -#endif -#ifdef PIXEL_ADDRESS - pixelPtr = (PIXEL_TYPE *) PIXEL_ADDRESS(x0,y0); -#endif - - if (dx<0) { - dx = -dx; /* make positive */ - xstep = -1; -#ifdef DEPTH_TYPE - zPtrXstep = -((GLint)sizeof(DEPTH_TYPE)); -#endif -#ifdef PIXEL_ADDRESS - pixelXstep = -((GLint)sizeof(PIXEL_TYPE)); -#endif - } - else { - xstep = 1; -#ifdef DEPTH_TYPE - zPtrXstep = ((GLint)sizeof(DEPTH_TYPE)); -#endif -#ifdef PIXEL_ADDRESS - pixelXstep = ((GLint)sizeof(PIXEL_TYPE)); -#endif - } - - if (dy<0) { - dy = -dy; /* make positive */ - ystep = -1; -#ifdef DEPTH_TYPE - zPtrYstep = -((GLint) (ctx->DrawBuffer->Width * sizeof(DEPTH_TYPE))); -#endif -#ifdef PIXEL_ADDRESS - pixelYstep = BYTES_PER_ROW; -#endif - } - else { - ystep = 1; -#ifdef DEPTH_TYPE - zPtrYstep = (GLint) (ctx->DrawBuffer->Width * sizeof(DEPTH_TYPE)); -#endif -#ifdef PIXEL_ADDRESS - pixelYstep = -(BYTES_PER_ROW); -#endif - } - - ASSERT(dx >= 0); - ASSERT(dy >= 0); - - numPixels = MAX2(dx, dy); - - /* - * Span setup: compute start and step values for all interpolated values. - */ -#ifdef INTERP_RGBA - interpFlags |= SPAN_RGBA; - if (ctx->Light.ShadeModel == GL_SMOOTH) { - span.red = ChanToFixed(vert0->color[0]); - span.green = ChanToFixed(vert0->color[1]); - span.blue = ChanToFixed(vert0->color[2]); - span.alpha = ChanToFixed(vert0->color[3]); - span.redStep = (ChanToFixed(vert1->color[0]) - span.red ) / numPixels; - span.greenStep = (ChanToFixed(vert1->color[1]) - span.green) / numPixels; - span.blueStep = (ChanToFixed(vert1->color[2]) - span.blue ) / numPixels; - span.alphaStep = (ChanToFixed(vert1->color[3]) - span.alpha) / numPixels; - } - else { - span.red = ChanToFixed(vert1->color[0]); - span.green = ChanToFixed(vert1->color[1]); - span.blue = ChanToFixed(vert1->color[2]); - span.alpha = ChanToFixed(vert1->color[3]); - span.redStep = 0; - span.greenStep = 0; - span.blueStep = 0; - span.alphaStep = 0; - } -#endif -#ifdef INTERP_SPEC - interpFlags |= SPAN_SPEC; - if (ctx->Light.ShadeModel == GL_SMOOTH) { - span.specRed = ChanToFixed(vert0->specular[0]); - span.specGreen = ChanToFixed(vert0->specular[1]); - span.specBlue = ChanToFixed(vert0->specular[2]); - span.specRedStep = (ChanToFixed(vert1->specular[0]) - span.specRed) / numPixels; - span.specGreenStep = (ChanToFixed(vert1->specular[1]) - span.specBlue) / numPixels; - span.specBlueStep = (ChanToFixed(vert1->specular[2]) - span.specGreen) / numPixels; - } - else { - span.specRed = ChanToFixed(vert1->specular[0]); - span.specGreen = ChanToFixed(vert1->specular[1]); - span.specBlue = ChanToFixed(vert1->specular[2]); - span.specRedStep = 0; - span.specGreenStep = 0; - span.specBlueStep = 0; - } -#endif -#ifdef INTERP_INDEX - interpFlags |= SPAN_INDEX; - if (ctx->Light.ShadeModel == GL_SMOOTH) { - span.index = FloatToFixed(vert0->index); - span.indexStep = FloatToFixed(vert1->index - vert0->index) / numPixels; - } - else { - span.index = FloatToFixed(vert1->index); - span.indexStep = 0; - } -#endif -#if defined(INTERP_Z) || defined(DEPTH_TYPE) - interpFlags |= SPAN_Z; - { - if (depthBits <= 16) { - span.z = FloatToFixed(vert0->win[2]) + FIXED_HALF; - span.zStep = FloatToFixed(vert1->win[2] - vert0->win[2]) / numPixels; - } - else { - /* don't use fixed point */ - span.z = (GLint) vert0->win[2]; - span.zStep = (GLint) ((vert1->win[2] - vert0->win[2]) / numPixels); - } - } -#endif -#ifdef INTERP_FOG - interpFlags |= SPAN_FOG; - span.fog = vert0->fog; - span.fogStep = (vert1->fog - vert0->fog) / numPixels; -#endif -#ifdef INTERP_TEX - interpFlags |= SPAN_TEXTURE; - { - const GLfloat invw0 = vert0->win[3]; - const GLfloat invw1 = vert1->win[3]; - const GLfloat invLen = 1.0F / numPixels; - GLfloat ds, dt, dr, dq; - span.tex[0][0] = invw0 * vert0->texcoord[0][0]; - span.tex[0][1] = invw0 * vert0->texcoord[0][1]; - span.tex[0][2] = invw0 * vert0->texcoord[0][2]; - span.tex[0][3] = invw0 * vert0->texcoord[0][3]; - ds = (invw1 * vert1->texcoord[0][0]) - span.tex[0][0]; - dt = (invw1 * vert1->texcoord[0][1]) - span.tex[0][1]; - dr = (invw1 * vert1->texcoord[0][2]) - span.tex[0][2]; - dq = (invw1 * vert1->texcoord[0][3]) - span.tex[0][3]; - span.texStepX[0][0] = ds * invLen; - span.texStepX[0][1] = dt * invLen; - span.texStepX[0][2] = dr * invLen; - span.texStepX[0][3] = dq * invLen; - span.texStepY[0][0] = 0.0F; - span.texStepY[0][1] = 0.0F; - span.texStepY[0][2] = 0.0F; - span.texStepY[0][3] = 0.0F; - } -#endif -#ifdef INTERP_MULTITEX - interpFlags |= SPAN_TEXTURE; - { - const GLfloat invLen = 1.0F / numPixels; - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - const GLfloat invw0 = vert0->win[3]; - const GLfloat invw1 = vert1->win[3]; - GLfloat ds, dt, dr, dq; - span.tex[u][0] = invw0 * vert0->texcoord[u][0]; - span.tex[u][1] = invw0 * vert0->texcoord[u][1]; - span.tex[u][2] = invw0 * vert0->texcoord[u][2]; - span.tex[u][3] = invw0 * vert0->texcoord[u][3]; - ds = (invw1 * vert1->texcoord[u][0]) - span.tex[u][0]; - dt = (invw1 * vert1->texcoord[u][1]) - span.tex[u][1]; - dr = (invw1 * vert1->texcoord[u][2]) - span.tex[u][2]; - dq = (invw1 * vert1->texcoord[u][3]) - span.tex[u][3]; - span.texStepX[u][0] = ds * invLen; - span.texStepX[u][1] = dt * invLen; - span.texStepX[u][2] = dr * invLen; - span.texStepX[u][3] = dq * invLen; - span.texStepY[u][0] = 0.0F; - span.texStepY[u][1] = 0.0F; - span.texStepY[u][2] = 0.0F; - span.texStepY[u][3] = 0.0F; - } - } - } -#endif - - INIT_SPAN(span, GL_LINE, numPixels, interpFlags, SPAN_XY); - - /* Need these for fragment prog texcoord interpolation */ - span.w = 1.0F; - span.dwdx = 0.0F; - span.dwdy = 0.0F; - - /* - * Draw - */ - - if (dx > dy) { - /*** X-major line ***/ - GLint i; - GLint errorInc = dy+dy; - GLint error = errorInc-dx; - GLint errorDec = error-dx; - - for (i = 0; i < dx; i++) { -#ifdef DEPTH_TYPE - GLdepth Z = FixedToDepth(span.z); -#endif -#ifdef PLOT - PLOT( x0, y0 ); -#else - span.array->x[i] = x0; - span.array->y[i] = y0; -#endif - x0 += xstep; -#ifdef DEPTH_TYPE - zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrXstep); - span.z += span.zStep; -#endif -#ifdef PIXEL_ADDRESS - pixelPtr = (PIXEL_TYPE*) ((GLubyte*) pixelPtr + pixelXstep); -#endif - if (error<0) { - error += errorInc; - } - else { - error += errorDec; - y0 += ystep; -#ifdef DEPTH_TYPE - zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrYstep); -#endif -#ifdef PIXEL_ADDRESS - pixelPtr = (PIXEL_TYPE*) ((GLubyte*) pixelPtr + pixelYstep); -#endif - } - } - } - else { - /*** Y-major line ***/ - GLint i; - GLint errorInc = dx+dx; - GLint error = errorInc-dy; - GLint errorDec = error-dy; - - for (i=0;ix[i] = x0; - span.array->y[i] = y0; -#endif - y0 += ystep; -#ifdef DEPTH_TYPE - zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrYstep); - span.z += span.zStep; -#endif -#ifdef PIXEL_ADDRESS - pixelPtr = (PIXEL_TYPE*) ((GLubyte*) pixelPtr + pixelYstep); -#endif - if (error<0) { - error += errorInc; - } - else { - error += errorDec; - x0 += xstep; -#ifdef DEPTH_TYPE - zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrXstep); -#endif -#ifdef PIXEL_ADDRESS - pixelPtr = (PIXEL_TYPE*) ((GLubyte*) pixelPtr + pixelXstep); -#endif - } - } - } - -#ifdef RENDER_SPAN - RENDER_SPAN( span ); -#endif - - (void)span; - -} - - -#undef NAME -#undef INTERP_Z -#undef INTERP_FOG -#undef INTERP_RGBA -#undef INTERP_SPEC -#undef INTERP_TEX -#undef INTERP_MULTITEX -#undef INTERP_INDEX -#undef PIXEL_ADDRESS -#undef PIXEL_TYPE -#undef DEPTH_TYPE -#undef BYTES_PER_ROW -#undef SETUP_CODE -#undef PLOT -#undef CLIP_HACK -#undef FixedToDepth -#undef RENDER_SPAN -- cgit v1.2.3