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-rw-r--r--src/mesa/swrast/s_points.c975
-rw-r--r--src/mesa/swrast/s_pointtemp.h312
2 files changed, 393 insertions, 894 deletions
diff --git a/src/mesa/swrast/s_points.c b/src/mesa/swrast/s_points.c
index 58cf8e99468..33b11e5d5ce 100644
--- a/src/mesa/swrast/s_points.c
+++ b/src/mesa/swrast/s_points.c
@@ -1,4 +1,4 @@
-/* $Id: s_points.c,v 1.9 2000/12/08 00:20:15 brianp Exp $ */
+/* $Id: s_points.c,v 1.10 2001/01/03 22:17:16 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -30,7 +30,6 @@
#include "macros.h"
#include "mmath.h"
#include "texstate.h"
-
#include "s_context.h"
#include "s_feedback.h"
#include "s_pb.h"
@@ -38,897 +37,136 @@
#include "s_span.h"
-/**********************************************************************/
-/***** Rasterization *****/
-/**********************************************************************/
-
-
-/*
- * There are 3 pairs (RGBA, CI) of point rendering functions:
- * 1. simple: size=1 and no special rasterization functions (fastest)
- * 2. size1: size=1 and any rasterization functions
- * 3. general: any size and rasterization functions (slowest)
- *
- */
-
-
+#define INDEX 0x0
+#define RGBA 0x1
+#define SMOOTH 0x2
+#define TEXTURE 0x4
+#define SPECULAR 0x8
+#define LARGE 0x10
+#define ATTENUATE 0x20
+#define SPRITE 0x40
/*
* CI points with size == 1.0
*/
-static void
-size1_ci_point( GLcontext *ctx, const SWvertex *vert )
-{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint *pbx = PB->x, *pby = PB->y;
- GLdepth *pbz = PB->z;
- GLfixed *pbfog = PB->fog;
- GLuint *pbi = PB->index;
- GLuint pbcount = PB->count;
-
- pbx[pbcount] = (GLint) vert->win[0];
- pby[pbcount] = (GLint) vert->win[1];
- pbz[pbcount] = (GLint) vert->win[2];
- pbfog[pbcount] = FloatToFixed(vert->fog);
- pbi[pbcount] = vert->index;
-
- PB->count++;
- PB_CHECK_FLUSH(ctx, PB);
-}
-
+#define FLAGS (INDEX)
+#define NAME size1_ci_point
+#include "s_pointtemp.h"
/*
* RGBA points with size == 1.0
*/
-static void
-size1_rgba_point( GLcontext *ctx, const SWvertex *vert )
-{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
-
- GLint x = (GLint) vert->win[0];
- GLint y = (GLint) vert->win[1];
- GLint z = (GLint) (vert->win[2]);
- GLfixed fog = FloatToFixed( vert->fog );
- GLubyte red = vert->color[0];
- GLubyte green = vert->color[1];
- GLubyte blue = vert->color[2];
- GLubyte alpha = vert->color[3];
-
- PB_WRITE_RGBA_PIXEL( PB, x, y, z, fog, red, green, blue, alpha );
- PB_CHECK_FLUSH(ctx, PB);
-}
-
+#define FLAGS (RGBA)
+#define NAME size1_rgba_point
+#include "s_pointtemp.h"
/*
* General CI points.
*/
-static void
-general_ci_point( GLcontext *ctx, const SWvertex *vert )
-{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- const GLint isize = (GLint) (ctx->Point._Size + 0.5F);
- GLint radius = isize >> 1;
-
- GLint x0, x1, y0, y1;
- GLint ix, iy;
-
- GLint x = (GLint) vert->win[0];
- GLint y = (GLint) vert->win[1];
- GLint z = (GLint) (vert->win[2]);
-
- GLfixed fog = FloatToFixed( vert->fog );
-
- if (isize & 1) {
- /* odd size */
- x0 = x - radius;
- x1 = x + radius;
- y0 = y - radius;
- y1 = y + radius;
- }
- else {
- /* even size */
- x0 = (GLint) (x + 1.5F) - radius;
- x1 = x0 + isize - 1;
- y0 = (GLint) (y + 1.5F) - radius;
- y1 = y0 + isize - 1;
- }
-
- PB_SET_INDEX( PB, vert->index );
-
- for (iy = y0; iy <= y1; iy++) {
- for (ix = x0; ix <= x1; ix++) {
- PB_WRITE_PIXEL( PB, ix, iy, z, fog );
- }
- }
- PB_CHECK_FLUSH(ctx,PB);
-}
+#define FLAGS (INDEX | LARGE)
+#define NAME general_ci_point
+#include "s_pointtemp.h"
/*
* General RGBA points.
*/
-static void
-general_rgba_point( GLcontext *ctx, const SWvertex *vert )
-{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint isize = (GLint) (ctx->Point._Size + 0.5F);
- GLint radius = isize >> 1;
-
- GLint x0, x1, y0, y1;
- GLint ix, iy;
-
- GLint x = (GLint) vert->win[0];
- GLint y = (GLint) vert->win[1];
- GLint z = (GLint) (vert->win[2]);
-
- GLfixed fog = FloatToFixed( vert->fog );
-
- if (isize & 1) {
- /* odd size */
- x0 = x - radius;
- x1 = x + radius;
- y0 = y - radius;
- y1 = y + radius;
- }
- else {
- /* even size */
- x0 = (GLint) (x + 1.5F) - radius;
- x1 = x0 + isize - 1;
- y0 = (GLint) (y + 1.5F) - radius;
- y1 = y0 + isize - 1;
- }
-
- PB_SET_COLOR( PB,
- vert->color[0],
- vert->color[1],
- vert->color[2],
- vert->color[3] );
-
- for (iy = y0; iy <= y1; iy++) {
- for (ix = x0; ix <= x1; ix++) {
- PB_WRITE_PIXEL( PB, ix, iy, z, fog );
- }
- }
- PB_CHECK_FLUSH(ctx,PB);
-}
-
-
+#define FLAGS (RGBA | LARGE)
+#define NAME general_rgba_point
+#include "s_pointtemp.h"
/*
* Textured RGBA points.
*/
-static void
-textured_rgba_point( GLcontext *ctx, const SWvertex *vert )
-{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
-
- GLint x0, x1, y0, y1;
- GLint ix, iy, radius;
- GLint red, green, blue, alpha;
- GLfloat s, t, u;
-
- GLint x = (GLint) vert->win[0];
- GLint y = (GLint) vert->win[1];
- GLint z = (GLint) (vert->win[2]);
- GLint isize = (GLint) (ctx->Point._Size + 0.5F);
-
- GLfixed fog = FloatToFixed( vert->fog );
-
- if (isize < 1) {
- isize = 1;
- }
- radius = isize >> 1;
-
- if (isize & 1) {
- /* odd size */
- x0 = x - radius;
- x1 = x + radius;
- y0 = y - radius;
- y1 = y + radius;
- }
- else {
- /* even size */
- x0 = (GLint) (x + 1.5F) - radius;
- x1 = x0 + isize - 1;
- y0 = (GLint) (y + 1.5F) - radius;
- y1 = y0 + isize - 1;
- }
-
- red = vert->color[0];
- green = vert->color[1];
- blue = vert->color[2];
- alpha = vert->color[3];
-
- if (vert->texcoord[0][3] != 1.0) {
- s = vert->texcoord[0][0]/vert->texcoord[0][3];
- t = vert->texcoord[0][1]/vert->texcoord[0][3];
- u = vert->texcoord[0][2]/vert->texcoord[0][3];
- } else {
- s = vert->texcoord[0][0];
- t = vert->texcoord[0][1];
- u = vert->texcoord[0][2];
- }
-
- for (iy = y0; iy <= y1; iy++) {
- for (ix = x0; ix <= x1; ix++) {
- PB_WRITE_TEX_PIXEL( PB, ix, iy, z, fog, red, green, blue, alpha,
- s, t, u );
- }
- }
-
- PB_CHECK_FLUSH(ctx, PB);
-}
-
+#define FLAGS (RGBA | LARGE | TEXTURE)
+#define NAME textured_rgba_point
+#include "s_pointtemp.h"
/*
* Multitextured RGBA points.
*/
-static void
-multitextured_rgba_point( GLcontext *ctx, const SWvertex *vert )
-{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
-
- const GLint red = vert->color[0];
- const GLint green = vert->color[1];
- const GLint blue = vert->color[2];
- const GLint alpha = vert->color[3];
- const GLint sRed = vert->specular[0];
- const GLint sGreen = vert->specular[1];
- const GLint sBlue = vert->specular[2];
- const GLint x = (GLint) vert->win[0];
- const GLint y = (GLint) vert->win[1];
- const GLint z = (GLint) (vert->win[2]);
- GLint x0, x1, y0, y1;
- GLint ix, iy;
- GLfloat texcoord[MAX_TEXTURE_UNITS][4];
- GLint radius, u;
- GLint isize = (GLint) (ctx->Point._Size + 0.5F);
-
- GLfixed fog = FloatToFixed( vert->fog );
-
- if (isize < 1) {
- isize = 1;
- }
- radius = isize >> 1;
-
- if (isize & 1) {
- /* odd size */
- x0 = x - radius;
- x1 = x + radius;
- y0 = y - radius;
- y1 = y + radius;
- }
- else {
- /* even size */
- x0 = (GLint) (x + 1.5F) - radius;
- x1 = x0 + isize - 1;
- y0 = (GLint) (y + 1.5F) - radius;
- y1 = y0 + isize - 1;
- }
-
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture.Unit[u]._ReallyEnabled) {
- if (vert->texcoord[u][3] != 1.0) {
- texcoord[u][0] = vert->texcoord[u][0] /
- vert->texcoord[u][3];
- texcoord[u][1] = vert->texcoord[u][1] /
- vert->texcoord[u][3];
- texcoord[u][2] = vert->texcoord[u][2] /
- vert->texcoord[u][3];
- }
- else {
- texcoord[u][0] = vert->texcoord[u][0];
- texcoord[u][1] = vert->texcoord[u][1];
- texcoord[u][2] = vert->texcoord[u][2];
- }
- }
- }
-
- for (iy = y0; iy <= y1; iy++) {
- for (ix = x0; ix <= x1; ix++) {
- PB_WRITE_MULTITEX_SPEC_PIXEL( PB, ix, iy, z, fog,
- red, green, blue, alpha,
- sRed, sGreen, sBlue,
- texcoord );
- }
- }
- PB_CHECK_FLUSH(ctx, PB);
-}
-
-
-/*
- * NOTES on aa point rasterization:
- *
- * Let d = distance of fragment center from vertex.
- * if d < rmin2 then
- * fragment has 100% coverage
- * else if d > rmax2 then
- * fragment has 0% coverage
- * else
- * fragement has % coverage = (d - rmin2) / (rmax2 - rmin2)
- */
+#define FLAGS (RGBA | LARGE | TEXTURE | SPECULAR)
+#define NAME multitextured_rgba_point
+#include "s_pointtemp.h"
/*
* Antialiased points with or without texture mapping.
*/
-static void
-antialiased_rgba_point( GLcontext *ctx, const SWvertex *vert )
-{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
- struct pixel_buffer *PB = swrast->PB;
- const GLfloat radius = ctx->Point._Size * 0.5F;
- const GLfloat rmin = radius - 0.7071F; /* 0.7071 = sqrt(2)/2 */
- const GLfloat rmax = radius + 0.7071F;
- const GLfloat rmin2 = MAX2(0.0, rmin * rmin);
- const GLfloat rmax2 = rmax * rmax;
- const GLfloat cscale = 256.0F / (rmax2 - rmin2);
-
- if (ctx->Texture._ReallyEnabled) {
- GLint x, y;
- GLfloat vx = vert->win[0];
- GLfloat vy = vert->win[1];
- const GLint xmin = (GLint) (vx - radius);
- const GLint xmax = (GLint) (vx + radius);
- const GLint ymin = (GLint) (vy - radius);
- const GLint ymax = (GLint) (vy + radius);
- const GLint z = (GLint) (vert->win[2]);
- const GLint red = vert->color[0];
- const GLint green = vert->color[1];
- const GLint blue = vert->color[2];
- GLfloat texcoord[MAX_TEXTURE_UNITS][4];
- GLint u, alpha;
-
- GLfixed fog = FloatToFixed( vert->fog );
-
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture.Unit[u]._ReallyEnabled) {
- if (texcoord[u][3] != 1.0) {
- texcoord[u][0] = (vert->texcoord[u][0] /
- vert->texcoord[u][3]);
- texcoord[u][1] = (vert->texcoord[u][1] /
- vert->texcoord[u][3]);
- texcoord[u][2] = (vert->texcoord[u][2] /
- vert->texcoord[u][3]);
- }
- else {
- texcoord[u][0] = vert->texcoord[u][0];
- texcoord[u][1] = vert->texcoord[u][1];
- texcoord[u][2] = vert->texcoord[u][2];
- }
- }
- }
-
- /* translate by a half pixel to simplify math below */
- vx -= 0.5F;
- vx -= 0.5F;
-
- for (y = ymin; y <= ymax; y++) {
- for (x = xmin; x <= xmax; x++) {
- const GLfloat dx = x - vx;
- const GLfloat dy = y - vy;
- const GLfloat dist2 = dx*dx + dy*dy;
- if (dist2 < rmax2) {
- alpha = vert->color[3];
- if (dist2 >= rmin2) {
- GLint coverage = (GLint) (256.0F - (dist2 - rmin2) * cscale);
- /* coverage is in [0,256] */
- alpha = (alpha * coverage) >> 8;
- }
- if (swrast->_MultiTextureEnabled) {
- PB_WRITE_MULTITEX_PIXEL( PB, x,y,z, fog,
- red, green, blue,
- alpha, texcoord );
- }
- else {
- PB_WRITE_TEX_PIXEL( PB, x,y,z, fog,
- red, green, blue, alpha,
- texcoord[0][0],
- texcoord[0][1],
- texcoord[0][2] );
- }
- }
- }
- }
-
- PB_CHECK_FLUSH(ctx,PB);
- }
- else {
- /* Not texture mapped */
- const GLint xmin = (GLint) (vert->win[0] - 0.0 - radius);
- const GLint xmax = (GLint) (vert->win[0] - 0.0 + radius);
- const GLint ymin = (GLint) (vert->win[1] - 0.0 - radius);
- const GLint ymax = (GLint) (vert->win[1] - 0.0 + radius);
- const GLint red = vert->color[0];
- const GLint green = vert->color[1];
- const GLint blue = vert->color[2];
- const GLint z = (GLint) (vert->win[2]);
- GLint x, y;
-
- GLfixed fog = FloatToFixed( vert->fog );
-
- /*
- printf("point %g, %g\n", vert->win[0], vert->win[1]);
- printf("%d..%d X %d..%d\n", xmin, xmax, ymin, ymax);
- */
- for (y = ymin; y <= ymax; y++) {
- for (x = xmin; x <= xmax; x++) {
- const GLfloat dx = x + 0.5F - vert->win[0];
- const GLfloat dy = y + 0.5F - vert->win[1];
- const GLfloat dist2 = dx*dx + dy*dy;
- if (dist2 < rmax2) {
- GLint alpha = vert->color[3];
- if (dist2 >= rmin2) {
- GLint coverage = (GLint) (256.0F - (dist2 - rmin2) * cscale);
- /* coverage is in [0,256] */
- alpha = (alpha * coverage) >> 8;
- }
- PB_WRITE_RGBA_PIXEL(PB, x, y, z, fog,
- red, green, blue, alpha);
- }
- }
- }
- PB_CHECK_FLUSH(ctx,PB);
- }
-}
-
-
-
-/* Definition of the functions for GL_EXT_point_parameters */
-
-#if 000
-/* Calculates the distance attenuation formula of a vector of points in
- * eye space coordinates
- */
-static GLfloat attenuation_distance(const GLcontext *ctx, const GLfloat *pos)
-{
- GLfloat dist = GL_SQRT(pos[0]*pos[0]+pos[1]*pos[1]+pos[2]*pos[2]);
- return 1.0F / (ctx->Point.Params[0] +
- dist * (ctx->Point.Params[1] +
- dist * ctx->Point.Params[2]));
-}
-#endif
+#define FLAGS (RGBA | SMOOTH | TEXTURE)
+#define NAME antialiased_rgba_point
+#include "s_pointtemp.h"
/*
- * Distance Attenuated General CI points.
+ * Distance attenuated, general CI points.
*/
-static void
-dist_atten_general_ci_point( GLcontext *ctx, const SWvertex *vert )
-{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint x0, x1, y0, y1;
- GLint ix, iy;
- GLint isize, radius;
- GLint x = (GLint) vert->win[0];
- GLint y = (GLint) vert->win[1];
- GLint z = (GLint) (vert->win[2]);
-
- GLfixed fog = FloatToFixed( vert->fog );
-
- if (vert->pointSize >= ctx->Point.Threshold) {
- isize = (GLint) (MIN2(vert->pointSize, ctx->Point.MaxSize) + 0.5F);
- }
- else {
- isize = (GLint) (MAX2(ctx->Point.Threshold, ctx->Point.MinSize) + 0.5F);
- }
- radius = isize >> 1;
-
- if (isize & 1) {
- /* odd size */
- x0 = x - radius;
- x1 = x + radius;
- y0 = y - radius;
- y1 = y + radius;
- }
- else {
- /* even size */
- x0 = (GLint) (x + 1.5F) - radius;
- x1 = x0 + isize - 1;
- y0 = (GLint) (y + 1.5F) - radius;
- y1 = y0 + isize - 1;
- }
-
- PB_SET_INDEX( PB, vert->index );
+#define FLAGS (INDEX | ATTENUATE)
+#define NAME atten_general_ci_point
+#include "s_pointtemp.h"
- for (iy=y0;iy<=y1;iy++) {
- for (ix=x0;ix<=x1;ix++) {
- PB_WRITE_PIXEL( PB, ix, iy, z, fog );
- }
- }
- PB_CHECK_FLUSH(ctx,PB);
-}
/*
- * Distance Attenuated General RGBA points.
+ * Distance attenuated, general RGBA points.
*/
-static void
-dist_atten_general_rgba_point( GLcontext *ctx, const SWvertex *vert )
-{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint x0, x1, y0, y1;
- GLint ix, iy;
- GLint isize, radius;
- GLint x = (GLint) vert->win[0];
- GLint y = (GLint) vert->win[1];
- GLint z = (GLint) (vert->win[2]);
- GLchan alpha;
- GLfixed fog = FloatToFixed( vert->fog );
-
- if (vert->pointSize >= ctx->Point.Threshold) {
- isize = (GLint) (MIN2(vert->pointSize, ctx->Point.MaxSize) + 0.5F);
- alpha = vert->color[3];
- }
- else {
- GLfloat dsize = vert->pointSize / ctx->Point.Threshold;
- isize = (GLint) (MAX2(ctx->Point.Threshold, ctx->Point.MinSize) + 0.5F);
- alpha = (GLint) (vert->color[3] * (dsize * dsize));
- }
- radius = isize >> 1;
-
- if (isize & 1) {
- /* odd size */
- x0 = x - radius;
- x1 = x + radius;
- y0 = y - radius;
- y1 = y + radius;
- }
- else {
- /* even size */
- x0 = (GLint) (x + 1.5F) - radius;
- x1 = x0 + isize - 1;
- y0 = (GLint) (y + 1.5F) - radius;
- y1 = y0 + isize - 1;
- }
+#define FLAGS (RGBA | ATTENUATE)
+#define NAME atten_general_rgba_point
+#include "s_pointtemp.h"
- PB_SET_COLOR( PB,
- vert->color[0],
- vert->color[1],
- vert->color[2],
- alpha );
-
- for (iy = y0; iy <= y1; iy++) {
- for (ix = x0; ix <= x1; ix++) {
- PB_WRITE_PIXEL( PB, ix, iy, z, fog );
- }
- }
- PB_CHECK_FLUSH(ctx,PB);
-}
/*
- * Distance Attenuated Textured RGBA points.
+ * Distance attenuated, Textured RGBA points.
*/
-static void
-dist_atten_textured_rgba_point( GLcontext *ctx, const SWvertex *vert )
-{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
- struct pixel_buffer *PB = swrast->PB;
- const GLint x = (GLint) vert->win[0];
- const GLint y = (GLint) vert->win[1];
- const GLint z = (GLint) (vert->win[2]);
- const GLint red = vert->color[0];
- const GLint green = vert->color[1];
- const GLint blue = vert->color[2];
- GLfloat texcoord[MAX_TEXTURE_UNITS][4];
- GLint x0, x1, y0, y1;
- GLint ix, iy, alpha, u;
- GLint isize, radius;
-
- GLfixed fog = FloatToFixed( vert->fog );
-
- /* compute point size and alpha */
- if (vert->pointSize >= ctx->Point.Threshold) {
- isize = (GLint) (MIN2(vert->pointSize, ctx->Point.MaxSize) + 0.5F);
- alpha = vert->color[3];
- }
- else {
- GLfloat dsize = vert->pointSize / ctx->Point.Threshold;
- isize = (GLint) (MAX2(ctx->Point.Threshold, ctx->Point.MinSize) + 0.5F);
- alpha = (GLint) (vert->color[3] * (dsize * dsize));
- }
- if (isize < 1) {
- isize = 1;
- }
- radius = isize >> 1;
-
- if (isize & 1) {
- /* odd size */
- x0 = x - radius;
- x1 = x + radius;
- y0 = y - radius;
- y1 = y + radius;
- }
- else {
- /* even size */
- x0 = (GLint) (x + 1.5F) - radius;
- x1 = x0 + isize - 1;
- y0 = (GLint) (y + 1.5F) - radius;
- y1 = y0 + isize - 1;
- }
+#define FLAGS (RGBA | ATTENUATE | TEXTURE)
+#define NAME atten_textured_rgba_point
+#include "s_pointtemp.h"
- /* get texture coordinates */
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture.Unit[u]._ReallyEnabled) {
- if (texcoord[u][3] != 1.0) {
- texcoord[u][0] = vert->texcoord[u][0] /
- vert->texcoord[u][3];
- texcoord[u][1] = vert->texcoord[u][1] /
- vert->texcoord[u][3];
- texcoord[u][2] = vert->texcoord[u][2] /
- vert->texcoord[u][3];
- }
- else {
- texcoord[u][0] = vert->texcoord[u][0];
- texcoord[u][1] = vert->texcoord[u][1];
- texcoord[u][2] = vert->texcoord[u][2];
- }
- }
- }
-
- for (iy = y0; iy <= y1; iy++) {
- for (ix = x0; ix <= x1; ix++) {
- if (swrast->_MultiTextureEnabled) {
- PB_WRITE_MULTITEX_PIXEL( PB, ix, iy, z, fog,
- red, green, blue, alpha,
- texcoord );
- }
- else {
- PB_WRITE_TEX_PIXEL( PB, ix, iy, z, fog,
- red, green, blue, alpha,
- texcoord[0][0],
- texcoord[0][1],
- texcoord[0][2] );
- }
- }
- }
- PB_CHECK_FLUSH(ctx,PB);
-}
/*
- * Distance Attenuated Antialiased points with or without texture mapping.
+ * Distance attenuated, Antialiased points with or without texture mapping.
*/
-static void
-dist_atten_antialiased_rgba_point( GLcontext *ctx, const SWvertex *vert )
-{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
- struct pixel_buffer *PB = swrast->PB;
-
- if (ctx->Texture._ReallyEnabled) {
- GLfloat radius, rmin, rmax, rmin2, rmax2, cscale, alphaAtten;
- GLint xmin, ymin, xmax, ymax;
- GLint x, y, z;
- GLint red, green, blue, alpha;
- GLfloat texcoord[MAX_TEXTURE_UNITS][4];
- GLint u;
-
- GLfixed fog = FloatToFixed( vert->fog );
-
- if (vert->pointSize >= ctx->Point.Threshold) {
- radius = MIN2(vert->pointSize, ctx->Point.MaxSize) * 0.5F;
- alphaAtten = 1.0F;
- }
- else {
- GLfloat dsize = vert->pointSize / ctx->Point.Threshold;
- radius = (MAX2(ctx->Point.Threshold, ctx->Point.MinSize) * 0.5F);
- alphaAtten = dsize * dsize;
- }
- rmin = radius - 0.7071F; /* 0.7071 = sqrt(2)/2 */
- rmax = radius + 0.7071F;
- rmin2 = MAX2(0.0, rmin * rmin);
- rmax2 = rmax * rmax;
- cscale = 256.0F / (rmax2 - rmin2);
-
- xmin = (GLint) (vert->win[0] - radius);
- xmax = (GLint) (vert->win[0] + radius);
- ymin = (GLint) (vert->win[1] - radius);
- ymax = (GLint) (vert->win[1] + radius);
- z = (GLint) (vert->win[2]);
-
- red = vert->color[0];
- green = vert->color[1];
- blue = vert->color[2];
-
- /* get texture coordinates */
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture.Unit[u]._ReallyEnabled) {
- if (vert->texcoord[u][3] != 1.0 && vert->texcoord[u][3] != 0.0) {
- texcoord[u][0] = vert->texcoord[u][0] / vert->texcoord[u][3];
- texcoord[u][1] = vert->texcoord[u][1] / vert->texcoord[u][3];
- texcoord[u][2] = vert->texcoord[u][2] / vert->texcoord[u][3];
- }
- else {
- texcoord[u][0] = vert->texcoord[u][0];
- texcoord[u][1] = vert->texcoord[u][1];
- texcoord[u][2] = vert->texcoord[u][2];
- }
- }
- }
-
- for (y = ymin; y <= ymax; y++) {
- for (x = xmin; x <= xmax; x++) {
- const GLfloat dx = x + 0.5F - vert->win[0];
- const GLfloat dy = y + 0.5F - vert->win[1];
- const GLfloat dist2 = dx*dx + dy*dy;
- if (dist2 < rmax2) {
- alpha = vert->color[3];
- if (dist2 >= rmin2) {
- GLint coverage = (GLint) (256.0F - (dist2 - rmin2) * cscale);
- /* coverage is in [0,256] */
- alpha = (alpha * coverage) >> 8;
- }
- alpha = (GLint) (alpha * alphaAtten);
- if (swrast->_MultiTextureEnabled) {
- PB_WRITE_MULTITEX_PIXEL( PB, x, y, z, fog,
- red, green, blue, alpha,
- texcoord );
- }
- else {
- PB_WRITE_TEX_PIXEL( PB, x,y,z, fog,
- red, green, blue, alpha,
- texcoord[0][0],
- texcoord[0][1],
- texcoord[0][2] );
- }
- }
- }
- }
- PB_CHECK_FLUSH(ctx,PB);
- }
- else {
- /* Not texture mapped */
- GLfloat radius, rmin, rmax, rmin2, rmax2, cscale, alphaAtten;
- GLint xmin, ymin, xmax, ymax;
- GLint x, y, z;
- GLfixed fog;
- GLint red, green, blue, alpha;
-
- if (vert->pointSize >= ctx->Point.Threshold) {
- radius = MIN2(vert->pointSize, ctx->Point.MaxSize) * 0.5F;
- alphaAtten = 1.0F;
- }
- else {
- GLfloat dsize = vert->pointSize / ctx->Point.Threshold;
- radius = (MAX2(ctx->Point.Threshold, ctx->Point.MinSize) * 0.5F);
- alphaAtten = dsize * dsize;
- }
- rmin = radius - 0.7071F; /* 0.7071 = sqrt(2)/2 */
- rmax = radius + 0.7071F;
- rmin2 = MAX2(0.0, rmin * rmin);
- rmax2 = rmax * rmax;
- cscale = 256.0F / (rmax2 - rmin2);
-
- xmin = (GLint) (vert->win[0] - radius);
- xmax = (GLint) (vert->win[0] + radius);
- ymin = (GLint) (vert->win[1] - radius);
- ymax = (GLint) (vert->win[1] + radius);
- z = (GLint) (vert->win[2]);
-
- fog = FloatToFixed( vert->fog );
-
- red = vert->color[0];
- green = vert->color[1];
- blue = vert->color[2];
-
- for (y = ymin; y <= ymax; y++) {
- for (x = xmin; x <= xmax; x++) {
- const GLfloat dx = x + 0.5F - vert->win[0];
- const GLfloat dy = y + 0.5F - vert->win[1];
- const GLfloat dist2 = dx * dx + dy * dy;
- if (dist2 < rmax2) {
- alpha = vert->color[3];
- if (dist2 >= rmin2) {
- GLint coverage = (GLint) (256.0F - (dist2 - rmin2) * cscale);
- /* coverage is in [0,256] */
- alpha = (alpha * coverage) >> 8;
- }
- alpha = (GLint) (alpha * alphaAtten);
- PB_WRITE_RGBA_PIXEL(PB, x, y, z, fog,
- red, green, blue, alpha);
- }
- }
- }
- PB_CHECK_FLUSH(ctx,PB);
- }
-}
+#define FLAGS (RGBA | ATTENUATE | TEXTURE | SMOOTH)
+#define NAME atten_antialiased_rgba_point
+#include "s_pointtemp.h"
/*
* Sprite (textured point)
*/
-static void
-sprite_point( GLcontext *ctx, const SWvertex *vert )
-{
- SWcontext *swctx = SWRAST_CONTEXT(ctx);
- const GLfloat radius = vert->pointSize; /* XXX threshold, alpha */
- SWvertex v0, v1, v2, v3;
- GLuint unit;
-
- /* lower left corner */
- v0 = *vert;
- v0.win[0] -= radius;
- v0.win[1] -= radius;
+#define FLAGS (RGBA | TEXTURE | SPRITE)
+#define NAME sprite_point
+#include "s_pointtemp.h"
- /* lower right corner */
- v1 = *vert;
- v1.win[0] += radius;
- v1.win[1] -= radius;
- /* upper right corner */
- v2 = *vert;
- v2.win[0] += radius;
- v2.win[1] += radius;
+#define FLAGS (RGBA | ATTENUATE | TEXTURE | SPRITE)
+#define NAME atten_sprite_point
+#include "s_pointtemp.h"
- /* upper left corner */
- v3 = *vert;
- v3.win[0] -= radius;
- v3.win[1] += radius;
- for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
- if (ctx->Texture.Unit[unit]._ReallyEnabled) {
- v0.texcoord[unit][0] = 0.0;
- v0.texcoord[unit][1] = 0.0;
- v1.texcoord[unit][0] = 1.0;
- v1.texcoord[unit][1] = 0.0;
- v2.texcoord[unit][0] = 1.0;
- v2.texcoord[unit][1] = 1.0;
- v3.texcoord[unit][0] = 0.0;
- v3.texcoord[unit][1] = 1.0;
- }
- }
- /* XXX if radius < threshold, attenuate alpha? */
- /* XXX what about clipping? */
- /* render */
- swctx->Triangle(ctx, &v0, &v1, &v2);
- swctx->Triangle(ctx, &v0, &v2, &v3);
-}
+/* record the current point function name */
+#ifdef DEBUG
+static const char *pntFuncName = NULL;
+#define USE(pntFunc) \
+do { \
+ pntFuncName = #pntFunc; \
+ /*printf("%s\n", pntFuncName);*/ \
+ swrast->Point = pntFunc; \
+} while (0)
+#else
-#ifdef DEBUG
-extern void
-_mesa_print_point_function(GLcontext *ctx); /* silence compiler warning */
-void
-_mesa_print_point_function(GLcontext *ctx)
-{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
+#define USE(pntFunc) swrast->Point = pntFunc
- printf("Point Func == ");
- if (swrast->Point == size1_ci_point)
- printf("size1_ci_point\n");
- else if (swrast->Point == size1_rgba_point)
- printf("size1_rgba_point\n");
- else if (swrast->Point == general_ci_point)
- printf("general_ci_point\n");
- else if (swrast->Point == general_rgba_point)
- printf("general_rgba_point\n");
- else if (swrast->Point == textured_rgba_point)
- printf("textured_rgba_point\n");
- else if (swrast->Point == multitextured_rgba_point)
- printf("multitextured_rgba_point\n");
- else if (swrast->Point == antialiased_rgba_point)
- printf("antialiased_rgba_point\n");
- else if (swrast->Point == dist_atten_general_ci_point)
- printf("dist_atten_general_ci_point\n");
- else if (swrast->Point == dist_atten_general_rgba_point)
- printf("dist_atten_general_rgba_point\n");
- else if (swrast->Point == dist_atten_textured_rgba_point)
- printf("dist_atten_textured_rgba_point\n");
- else if (swrast->Point == dist_atten_antialiased_rgba_point)
- printf("dist_atten_antialiased_rgba_point\n");
- else if (!swrast->Point)
- printf("NULL\n");
- else
- printf("Driver func %p\n", swrast->Point);
-}
#endif
@@ -944,111 +182,60 @@ _swrast_choose_point( GLcontext *ctx )
if (ctx->RenderMode==GL_RENDER) {
if (ctx->Point.SpriteMode) {
- /* XXX this is hacked in! */
- swrast->Point = sprite_point;
+ /* XXX this might not be good enough */
+ if (ctx->Point._Attenuated)
+ USE(atten_sprite_point);
+ else
+ USE(sprite_point);
}
else if (!ctx->Point._Attenuated) {
if (ctx->Point.SmoothFlag && rgbmode) {
- swrast->Point = antialiased_rgba_point;
+ USE(antialiased_rgba_point);
}
else if (ctx->Texture._ReallyEnabled) {
if (swrast->_MultiTextureEnabled ||
ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR ||
ctx->Fog.ColorSumEnabled) {
- swrast->Point = multitextured_rgba_point;
+ USE(multitextured_rgba_point);
}
else {
- swrast->Point = textured_rgba_point;
+ USE(textured_rgba_point);
}
}
else if (ctx->Point._Size == 1.0) {
/* size=1, any raster ops */
if (rgbmode)
- swrast->Point = size1_rgba_point;
+ USE(size1_rgba_point);
else
- swrast->Point = size1_ci_point;
+ USE(size1_ci_point);
}
else {
/* every other kind of point rendering */
if (rgbmode)
- swrast->Point = general_rgba_point;
+ USE(general_rgba_point);
else
- swrast->Point = general_ci_point;
+ USE(general_ci_point);
}
}
else if (ctx->Point.SmoothFlag && rgbmode) {
- swrast->Point = dist_atten_antialiased_rgba_point;
+ USE(atten_antialiased_rgba_point);
}
else if (ctx->Texture._ReallyEnabled) {
- swrast->Point = dist_atten_textured_rgba_point;
+ USE(atten_textured_rgba_point);
}
else {
/* every other kind of point rendering */
if (rgbmode)
- swrast->Point = dist_atten_general_rgba_point;
+ USE(atten_general_rgba_point);
else
- swrast->Point = dist_atten_general_ci_point;
+ USE(atten_general_ci_point);
}
}
else if (ctx->RenderMode==GL_FEEDBACK) {
- swrast->Point = gl_feedback_point;
+ USE(gl_feedback_point);
}
else {
/* GL_SELECT mode */
- swrast->Point = gl_select_point;
+ USE(gl_select_point);
}
-
- /*_mesa_print_points_function(ctx);*/
}
-
-
-
-#if 000 /* prototype of new point code */
-
-#define RGBA 0x1
-#define SMOOTH 0x2
-#define LARGE 0x4
-#define TEXTURE 0x8
-#define ATTENUATE 0x10
-#define SPRITE 0x20
-
-#define FLAGS (RGBA | SMOOTH | LARGE)
-#define NAME rgba_smooth_large
-#include "s_pointtemp.h"
-
-#define FLAGS (RGBA | TEXTURE | ATTENUATE)
-#define NAME rgba_texture_smooth_attenuate
-#include "s_pointtemp.h"
-
-#define FLAGS (INDEX | LARGE | ATTENUATE)
-#define NAME index_large_attenuate
-#include "s_pointtemp.h"
-
-
-static void* point_tab[0x20];
-
-void
-_swrast_choose_point( GLcontext *ctx )
-{
- GLuint index = 0;
-
- if (ctx->RenderMode==GL_RENDER) {
- if (ctx->Visual.RGBAflag)
- index |= RGBA;
- if (ctx->Point.SmoothFlag)
- index |= SMOOTH;
- if (ctx->Point._Attenuated || ctx->Point.Size > 1.0)
- index |= SIZED;
- if (ctx->Texture.ReallyEnabled)
- index |= TEXTURE;
- swrast->Point = point_tab[index];
- }
- else if (ctx->RenderMode==GL_FEEDBACK) {
- swrast->Point = gl_feedback_point;
- }
- else {
- /* GL_SELECT mode */
- swrast->Point = gl_select_point;
- }
-}
-#endif
diff --git a/src/mesa/swrast/s_pointtemp.h b/src/mesa/swrast/s_pointtemp.h
new file mode 100644
index 00000000000..ed2ab0ca5e3
--- /dev/null
+++ b/src/mesa/swrast/s_pointtemp.h
@@ -0,0 +1,312 @@
+/* $Id: s_pointtemp.h,v 1.1 2001/01/03 22:17:16 brianp Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 3.5
+ *
+ * Copyright (C) 1999-2000 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.
+ */
+
+
+/*
+ * Point rendering template code.
+ *
+ * Set FLAGS = bitwise-OR of the following tokens:
+ *
+ * RGBA = do rgba instead of color index
+ * SMOOTH = do antialiasing
+ * TEXTURE = do texture coords
+ * SPECULAR = do separate specular color
+ * LARGE = do points with diameter > 1 pixel
+ * ATTENUATE = compute point size attenuation
+ * SPRITE = GL_MESA_sprite_point
+ *
+ * Notes: LARGE and ATTENUATE are exclusive of each other.
+ * TEXTURE requires RGBA
+ * SPECULAR requires TEXTURE
+ */
+
+
+/*
+ * NOTES on antialiased point rasterization:
+ *
+ * Let d = distance of fragment center from vertex.
+ * if d < rmin2 then
+ * fragment has 100% coverage
+ * else if d > rmax2 then
+ * fragment has 0% coverage
+ * else
+ * fragement has % coverage = (d - rmin2) / (rmax2 - rmin2)
+ */
+
+
+
+static void
+NAME ( GLcontext *ctx, const SWvertex *vert )
+{
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
+ struct pixel_buffer *PB = swrast->PB;
+
+ const GLint z = (GLint) (vert->win[2]);
+ const GLfixed fog = FloatToFixed( vert->fog );
+
+#if FLAGS & RGBA
+ const GLint red = vert->color[0];
+ const GLint green = vert->color[1];
+ const GLint blue = vert->color[2];
+ GLint alpha = vert->color[3];
+#if FLAGS & SPECULAR
+ const GLint sRed = vert->specular[0];
+ const GLint sGreen = vert->specular[1];
+ const GLint sBlue = vert->specular[2];
+#endif
+#else
+ GLint index = vert->index;
+#endif
+#if FLAGS & (ATTENUATE | LARGE | SMOOTH)
+ GLfloat size;
+#endif
+#if FLAGS & ATTENUATE
+ GLfloat alphaAtten;
+#endif
+
+#if FLAGS & TEXTURE
+ GLfloat texcoord[MAX_TEXTURE_UNITS][4];
+ GLuint u;
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+ if (ctx->Texture.Unit[u]._ReallyEnabled) {
+ if (vert->texcoord[u][3] != 1.0 && vert->texcoord[u][3] != 0.0) {
+ texcoord[u][0] = vert->texcoord[u][0] / vert->texcoord[u][3];
+ texcoord[u][1] = vert->texcoord[u][1] / vert->texcoord[u][3];
+ texcoord[u][2] = vert->texcoord[u][2] / vert->texcoord[u][3];
+ }
+ else {
+ texcoord[u][0] = vert->texcoord[u][0];
+ texcoord[u][1] = vert->texcoord[u][1];
+ texcoord[u][2] = vert->texcoord[u][2];
+ }
+ }
+ }
+#endif
+
+#if FLAGS & ATTENUATE
+ if (vert->pointSize >= ctx->Point.Threshold) {
+ size = MIN2(vert->pointSize, ctx->Point.MaxSize);
+ alphaAtten = 1.0F;
+ }
+ else {
+ GLfloat dsize = vert->pointSize / ctx->Point.Threshold;
+ size = MAX2(ctx->Point.Threshold, ctx->Point.MinSize);
+ alphaAtten = dsize * dsize;
+ }
+#elif FLAGS & (LARGE | SMOOTH)
+ size = ctx->Point._Size;
+#endif
+
+#if FLAGS & SPRITE
+ {
+ SWcontext *swctx = SWRAST_CONTEXT(ctx);
+ const GLfloat radius = 0.5 * vert->pointSize; /* XXX threshold, alpha */
+ SWvertex v0, v1, v2, v3;
+ GLuint unit;
+
+ (void) red;
+ (void) green;
+ (void) blue;
+ (void) alpha;
+ (void) fog;
+ (void) z;
+
+ /* lower left corner */
+ v0 = *vert;
+ v0.win[0] -= radius;
+ v0.win[1] -= radius;
+
+ /* lower right corner */
+ v1 = *vert;
+ v1.win[0] += radius;
+ v1.win[1] -= radius;
+
+ /* upper right corner */
+ v2 = *vert;
+ v2.win[0] += radius;
+ v2.win[1] += radius;
+
+ /* upper left corner */
+ v3 = *vert;
+ v3.win[0] -= radius;
+ v3.win[1] += radius;
+
+ for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
+ if (ctx->Texture.Unit[unit]._ReallyEnabled) {
+ v0.texcoord[unit][0] = 0.0;
+ v0.texcoord[unit][1] = 0.0;
+ v1.texcoord[unit][0] = 1.0;
+ v1.texcoord[unit][1] = 0.0;
+ v2.texcoord[unit][0] = 1.0;
+ v2.texcoord[unit][1] = 1.0;
+ v3.texcoord[unit][0] = 0.0;
+ v3.texcoord[unit][1] = 1.0;
+ }
+ }
+
+ /* XXX if radius < threshold, attenuate alpha? */
+
+ /* XXX need to implement clipping!!! */
+
+ /* render */
+ swctx->Triangle(ctx, &v0, &v1, &v2);
+ swctx->Triangle(ctx, &v0, &v2, &v3);
+ }
+
+#elif FLAGS & (LARGE | ATTENUATE | SMOOTH)
+
+ {
+ GLint x, y;
+ const GLfloat radius = 0.5F * size;
+#if FLAGS & SMOOTH
+ const GLfloat rmin = radius - 0.7071F; /* 0.7071 = sqrt(2)/2 */
+ const GLfloat rmax = radius + 0.7071F;
+ const GLfloat rmin2 = MAX2(0.0, rmin * rmin);
+ const GLfloat rmax2 = rmax * rmax;
+ const GLfloat cscale = 256.0F / (rmax2 - rmin2);
+ const GLint xmin = (GLint) (vert->win[0] - radius);
+ const GLint xmax = (GLint) (vert->win[0] + radius);
+ const GLint ymin = (GLint) (vert->win[1] - radius);
+ const GLint ymax = (GLint) (vert->win[1] + radius);
+#else
+ /* non-smooth */
+ GLint xmin, xmax, ymin, ymax;
+ GLint iSize = (GLint) (size + 0.5F);
+ GLint iRadius;
+ iSize = MAX2(1, iSize);
+ iRadius = iSize / 2;
+ if (iSize & 1) {
+ /* odd size */
+ xmin = vert->win[0] - iRadius;
+ xmax = vert->win[0] + iRadius;
+ ymin = vert->win[1] - iRadius;
+ ymax = vert->win[1] + iRadius;
+ }
+ else {
+ /* even size */
+ xmin = (GLint) vert->win[0] - iRadius + 1;
+ xmax = xmin + iSize - 1;
+ ymin = (GLint) vert->win[1] - iRadius + 1;
+ ymax = ymin + iSize - 1;
+ }
+#endif
+ (void) radius;
+
+ for (y = ymin; y <= ymax; y++) {
+ for (x = xmin; x <= xmax; x++) {
+#if FLAGS & SMOOTH
+ /* compute coverage */
+ const GLfloat dx = x - vert->win[0];
+ const GLfloat dy = y - vert->win[1];
+ const GLfloat dist2 = dx * dx + dy * dy;
+ if (dist2 < rmax2) {
+ alpha = vert->color[3];
+ if (dist2 >= rmin2) {
+ GLint coverage = (GLint) (256.0F - (dist2 - rmin2) * cscale);
+#if FLAGS & RGBA
+ /* coverage is in [0,256] */
+ alpha = (alpha * coverage) >> 8;
+#else
+ /* 4 fractional index bits */
+ index = (index & ~f) | (coverage >> 4); /* XXX verify */
+#endif
+ }
+#endif /* SMOOTH */
+
+#if ((FLAGS & (ATTENUATE | RGBA)) == (ATTENUATE | RGBA))
+ alpha = (GLint) (alpha * alphaAtten);
+#endif
+
+#if FLAGS & SPECULAR
+ PB_WRITE_MULTITEX_SPEC_PIXEL(PB, x, y, z, fog,
+ red, green, blue, alpha,
+ sRed, sGreen, sBlue,
+ texcoord);
+
+#elif FLAGS & TEXTURE
+ if (swrast->_MultiTextureEnabled) {
+ PB_WRITE_MULTITEX_PIXEL(PB, x, y, z, fog,
+ red, green, blue, alpha,
+ texcoord);
+ }
+ else {
+ PB_WRITE_TEX_PIXEL(PB, x,y,z, fog,
+ red, green, blue, alpha,
+ texcoord[0][0],
+ texcoord[0][1],
+ texcoord[0][2]);
+ }
+#elif FLAGS & RGBA
+ PB_WRITE_RGBA_PIXEL(PB, x, y, z, fog, red, green, blue, alpha);
+#else /* color index */
+ PB_WRITE_CI_PIXEL(PB, x, y, z, fog, index);
+#endif
+#if FLAGS & SMOOTH
+ }
+#endif
+ }
+ }
+ PB_CHECK_FLUSH(ctx,PB);
+ }
+
+#else /* LARGE || ATTENUATE || SMOOTH*/
+
+ {
+ /* size == 1 */
+ GLint x = vert->win[0];
+ GLint y = vert->win[1];
+#if ((FLAGS & (SPECULAR | TEXTURE)) == (SPECULAR | TEXTURE))
+ PB_WRITE_MULTITEX_SPEC_PIXEL(PB, x, y, z, fog,
+ red, green, blue, alpha,
+ sRed, sGreen, sBlue,
+ texcoord);
+#elif FLAGS & TEXTURE
+ if (swrast->_MultiTextureEnabled) {
+ PB_WRITE_MULTITEX_PIXEL(PB, x, y, z, fog,
+ red, green, blue, alpha, texcoord );
+ }
+ else {
+ PB_WRITE_TEX_PIXEL(PB, x, y, z, fog,
+ red, green, blue, alpha,
+ texcoord[0][0], texcoord[0][1], texcoord[0][2]);
+ }
+#elif FLAGS & RGBA
+ /* rgba size 1 point */
+ alpha = vert->color[3];
+ PB_WRITE_RGBA_PIXEL(PB, x, y, z, fog, red, green, blue, alpha);
+#else
+ /* color index size 1 point */
+ PB_WRITE_CI_PIXEL(PB, x, y, z, fog, index);
+#endif
+ }
+#endif /* LARGE || ATTENUATE || SMOOTH */
+
+ PB_CHECK_FLUSH(ctx, PB);
+}
+
+
+#undef FLAGS
+#undef NAME
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 23:39:50 +0000