-/* $Id: s_triangle.c,v 1.45 2002/01/09 00:09:33 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 4.1
+ * Version: 5.1
*
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2003 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"),
#include "glheader.h"
#include "context.h"
#include "colormac.h"
+#include "imports.h"
#include "macros.h"
-#include "mem.h"
-#include "mmath.h"
#include "texformat.h"
#include "teximage.h"
#include "texstate.h"
#include "s_triangle.h"
-
-GLboolean _mesa_cull_triangle( GLcontext *ctx,
+/*
+ * Just used for feedback mode.
+ */
+GLboolean _swrast_culltriangle( GLcontext *ctx,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2 )
GLfloat fy = v2->win[1] - v0->win[1];
GLfloat c = ex*fy-ey*fx;
- if (c * SWRAST_CONTEXT(ctx)->_backface_sign > 0)
+ if (c * SWRAST_CONTEXT(ctx)->_BackfaceSign > 0)
return 0;
return 1;
/*
* Render a flat-shaded color index triangle.
*/
-static void flat_ci_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
+#define NAME flat_ci_triangle
#define INTERP_Z 1
#define INTERP_FOG 1
-
-#define RENDER_SPAN( span ) \
- _mesa_write_monoindex_span(ctx, &span, v2->index, GL_POLYGON );
-
+#define SETUP_CODE \
+ span.interpMask |= SPAN_INDEX; \
+ span.index = IntToFixed(v2->index); \
+ span.indexStep = 0;
+#define RENDER_SPAN( span ) _swrast_write_index_span(ctx, &span);
#include "s_tritemp.h"
-}
/*
* Render a smooth-shaded color index triangle.
*/
-static void smooth_ci_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
+#define NAME smooth_ci_triangle
#define INTERP_Z 1
#define INTERP_FOG 1
#define INTERP_INDEX 1
-
-#define RENDER_SPAN( span ) \
- GLuint i; \
- SW_SPAN_SET_FLAG(span.filledColor); \
- for (i = 0; i < span.end; i++) { \
- span.color.index[i] = FixedToInt(span.index); \
- span.index += span.indexStep; \
- } \
- _mesa_write_index_span(ctx, &span, GL_POLYGON);
-
+#define RENDER_SPAN( span ) _swrast_write_index_span(ctx, &span);
#include "s_tritemp.h"
-}
/*
* Render a flat-shaded RGBA triangle.
*/
-static void flat_rgba_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
+#define NAME flat_rgba_triangle
#define INTERP_Z 1
#define INTERP_FOG 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-
-#define RENDER_SPAN( span ) \
- _mesa_write_monocolor_span(ctx, &span, v2->color, GL_POLYGON );
-
+#define SETUP_CODE \
+ ASSERT(ctx->Texture._EnabledCoordUnits == 0);\
+ ASSERT(ctx->Light.ShadeModel==GL_FLAT); \
+ span.interpMask |= SPAN_RGBA; \
+ span.red = ChanToFixed(v2->color[0]); \
+ span.green = ChanToFixed(v2->color[1]); \
+ span.blue = ChanToFixed(v2->color[2]); \
+ span.alpha = ChanToFixed(v2->color[3]); \
+ span.redStep = 0; \
+ span.greenStep = 0; \
+ span.blueStep = 0; \
+ span.alphaStep = 0;
+#define RENDER_SPAN( span ) _swrast_write_rgba_span(ctx, &span);
#include "s_tritemp.h"
- ASSERT(!ctx->Texture._ReallyEnabled); /* texturing must be off */
- ASSERT(ctx->Light.ShadeModel==GL_FLAT);
-}
-
/*
* Render a smooth-shaded RGBA triangle.
*/
-static void smooth_rgba_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
-
+#define NAME smooth_rgba_triangle
#define INTERP_Z 1
#define INTERP_FOG 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define INTERP_RGB 1
#define INTERP_ALPHA 1
-
-#define RENDER_SPAN( span ) \
- GLuint i; \
- SW_SPAN_SET_FLAG(span.filledColor); \
- for (i = 0; i < span.end; i++) { \
- span.color.rgba[i][RCOMP] = FixedToChan(span.red); \
- span.color.rgba[i][GCOMP] = FixedToChan(span.green); \
- span.color.rgba[i][BCOMP] = FixedToChan(span.blue); \
- span.color.rgba[i][ACOMP] = FixedToChan(span.alpha); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.alpha += span.alphaStep; \
- } \
- _mesa_write_rgba_span(ctx, &span, GL_POLYGON);
-
+#define SETUP_CODE \
+ { \
+ /* texturing must be off */ \
+ ASSERT(ctx->Texture._EnabledCoordUnits == 0); \
+ ASSERT(ctx->Light.ShadeModel==GL_SMOOTH); \
+ }
+#define RENDER_SPAN( span ) _swrast_write_rgba_span(ctx, &span);
#include "s_tritemp.h"
- ASSERT(!ctx->Texture._ReallyEnabled); /* texturing must be off */
- ASSERT(ctx->Light.ShadeModel==GL_SMOOTH);
-}
/*
*
* No fog.
*/
-static void simple_textured_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
+#define NAME simple_textured_triangle
#define INTERP_INT_TEX 1
#define S_SCALE twidth
#define T_SCALE theight
#define SETUP_CODE \
SWcontext *swrast = SWRAST_CONTEXT(ctx); \
struct gl_texture_object *obj = ctx->Texture.Unit[0].Current2D; \
- GLint b = obj->BaseLevel; \
- const GLfloat twidth = (GLfloat) obj->Image[b]->Width; \
- const GLfloat theight = (GLfloat) obj->Image[b]->Height; \
- const GLint twidth_log2 = obj->Image[b]->WidthLog2; \
- const GLchan *texture = (const GLchan *) obj->Image[b]->Data; \
- const GLint smask = obj->Image[b]->Width - 1; \
- const GLint tmask = obj->Image[b]->Height - 1; \
+ const GLint b = obj->BaseLevel; \
+ const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width; \
+ const GLfloat theight = (GLfloat) obj->Image[0][b]->Height; \
+ const GLint twidth_log2 = obj->Image[0][b]->WidthLog2; \
+ const GLchan *texture = (const GLchan *) obj->Image[0][b]->Data; \
+ const GLint smask = obj->Image[0][b]->Width - 1; \
+ const GLint tmask = obj->Image[0][b]->Height - 1; \
if (!texture) { \
/* this shouldn't happen */ \
return; \
#define RENDER_SPAN( span ) \
GLuint i; \
- SW_SPAN_SET_FLAG(span.filledColor); \
span.intTex[0] -= FIXED_HALF; /* off-by-one error? */ \
span.intTex[1] -= FIXED_HALF; \
for (i = 0; i < span.end; i++) { \
GLint t = FixedToInt(span.intTex[1]) & tmask; \
GLint pos = (t << twidth_log2) + s; \
pos = pos + pos + pos; /* multiply by 3 */ \
- span.color.rgb[i][RCOMP] = texture[pos]; \
- span.color.rgb[i][GCOMP] = texture[pos+1]; \
- span.color.rgb[i][BCOMP] = texture[pos+2]; \
+ span.array->rgb[i][RCOMP] = texture[pos]; \
+ span.array->rgb[i][GCOMP] = texture[pos+1]; \
+ span.array->rgb[i][BCOMP] = texture[pos+2]; \
span.intTex[0] += span.intTexStep[0]; \
span.intTex[1] += span.intTexStep[1]; \
} \
(*swrast->Driver.WriteRGBSpan)(ctx, span.end, span.x, span.y, \
- (CONST GLchan (*)[3]) span.color.rgb, NULL );
-
+ (CONST GLchan (*)[3]) span.array->rgb,\
+ NULL );
#include "s_tritemp.h"
-}
+
/*
*
* No fog.
*/
-static void simple_z_textured_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
+#define NAME simple_z_textured_triangle
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define INTERP_INT_TEX 1
#define SETUP_CODE \
SWcontext *swrast = SWRAST_CONTEXT(ctx); \
struct gl_texture_object *obj = ctx->Texture.Unit[0].Current2D; \
- GLint b = obj->BaseLevel; \
- GLfloat twidth = (GLfloat) obj->Image[b]->Width; \
- GLfloat theight = (GLfloat) obj->Image[b]->Height; \
- GLint twidth_log2 = obj->Image[b]->WidthLog2; \
- const GLchan *texture = (const GLchan *) obj->Image[b]->Data; \
- GLint smask = obj->Image[b]->Width - 1; \
- GLint tmask = obj->Image[b]->Height - 1; \
+ const GLint b = obj->BaseLevel; \
+ const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width; \
+ const GLfloat theight = (GLfloat) obj->Image[0][b]->Height; \
+ const GLint twidth_log2 = obj->Image[0][b]->WidthLog2; \
+ const GLchan *texture = (const GLchan *) obj->Image[0][b]->Data; \
+ const GLint smask = obj->Image[0][b]->Width - 1; \
+ const GLint tmask = obj->Image[0][b]->Height - 1; \
if (!texture) { \
/* this shouldn't happen */ \
return; \
GLuint i; \
span.intTex[0] -= FIXED_HALF; /* off-by-one error? */ \
span.intTex[1] -= FIXED_HALF; \
- SW_SPAN_SET_FLAG(span.filledColor); \
for (i = 0; i < span.end; i++) { \
const GLdepth z = FixedToDepth(span.z); \
if (z < zRow[i]) { \
GLint t = FixedToInt(span.intTex[1]) & tmask; \
GLint pos = (t << twidth_log2) + s; \
pos = pos + pos + pos; /* multiply by 3 */ \
- span.color.rgb[i][RCOMP] = texture[pos]; \
- span.color.rgb[i][GCOMP] = texture[pos+1]; \
- span.color.rgb[i][BCOMP] = texture[pos+2]; \
+ span.array->rgb[i][RCOMP] = texture[pos]; \
+ span.array->rgb[i][GCOMP] = texture[pos+1]; \
+ span.array->rgb[i][BCOMP] = texture[pos+2]; \
zRow[i] = z; \
- span.mask[i] = 1; \
+ span.array->mask[i] = 1; \
} \
else { \
- span.mask[i] = 0; \
+ span.array->mask[i] = 0; \
} \
span.intTex[0] += span.intTexStep[0]; \
span.intTex[1] += span.intTexStep[1]; \
span.z += span.zStep; \
} \
(*swrast->Driver.WriteRGBSpan)(ctx, span.end, span.x, span.y, \
- (CONST GLchan (*)[3]) span.color.rgb, span.mask );
-
+ (CONST GLchan (*)[3]) span.array->rgb,\
+ span.array->mask );
#include "s_tritemp.h"
-}
+
#if CHAN_TYPE != GL_FLOAT
/* shortcuts */
-#define NEAREST_RGB_REPLACE NEAREST_RGB;REPLACE
+#define NEAREST_RGB_REPLACE \
+ NEAREST_RGB; \
+ dest[0] = sample[0]; \
+ dest[1] = sample[1]; \
+ dest[2] = sample[2]; \
+ dest[3] = FixedToInt(span->alpha);
#define NEAREST_RGBA_REPLACE COPY_CHAN4(dest, tex00)
GLuint i;
- GLchan *dest = span->color.rgba[0];
-
- SW_SPAN_SET_FLAG(span->filledColor);
+ GLchan *dest = span->array->rgba[0];
span->intTex[0] -= FIXED_HALF;
span->intTex[1] -= FIXED_HALF;
SPAN_NEAREST(NEAREST_RGB;ADD,3);
break;
default:
- abort();
+ _mesa_problem(ctx, "bad tex env mode in SPAN_LINEAR");
+ return;
}
break;
case GL_RGBA:
SPAN_NEAREST(NEAREST_RGBA_REPLACE,4);
break;
default:
- abort();
+ _mesa_problem(ctx, "bad tex env mode (2) in SPAN_LINEAR");
+ return;
}
break;
}
SPAN_LINEAR(LINEAR_RGB;ADD,3);
break;
default:
- abort();
+ _mesa_problem(ctx, "bad tex env mode (3) in SPAN_LINEAR");
+ return;
}
break;
case GL_RGBA:
SPAN_LINEAR(LINEAR_RGBA;REPLACE,4);
break;
default:
- abort();
- } break;
+ _mesa_problem(ctx, "bad tex env mode (4) in SPAN_LINEAR");
+ return;
+ }
+ break;
}
break;
}
- _mesa_write_rgba_span(ctx, span, GL_POLYGON);
+ span->interpMask &= ~SPAN_RGBA;
+ ASSERT(span->arrayMask & SPAN_RGBA);
+ _swrast_write_rgba_span(ctx, span);
#undef SPAN_NEAREST
#undef SPAN_LINEAR
/*
* Render an RGB/RGBA textured triangle without perspective correction.
*/
-static void affine_textured_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
+#define NAME affine_textured_triangle
#define INTERP_Z 1
#define INTERP_FOG 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
struct affine_info info; \
struct gl_texture_unit *unit = ctx->Texture.Unit+0; \
struct gl_texture_object *obj = unit->Current2D; \
- GLint b = obj->BaseLevel; \
- GLfloat twidth = (GLfloat) obj->Image[b]->Width; \
- GLfloat theight = (GLfloat) obj->Image[b]->Height; \
- info.texture = (const GLchan *) obj->Image[b]->Data; \
- info.twidth_log2 = obj->Image[b]->WidthLog2; \
- info.smask = obj->Image[b]->Width - 1; \
- info.tmask = obj->Image[b]->Height - 1; \
- info.format = obj->Image[b]->Format; \
+ const GLint b = obj->BaseLevel; \
+ const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width; \
+ const GLfloat theight = (GLfloat) obj->Image[0][b]->Height; \
+ info.texture = (const GLchan *) obj->Image[0][b]->Data; \
+ info.twidth_log2 = obj->Image[0][b]->WidthLog2; \
+ info.smask = obj->Image[0][b]->Width - 1; \
+ info.tmask = obj->Image[0][b]->Height - 1; \
+ info.format = obj->Image[0][b]->Format; \
info.filter = obj->MinFilter; \
info.envmode = unit->EnvMode; \
+ span.arrayMask |= SPAN_RGBA; \
\
if (info.envmode == GL_BLEND) { \
/* potential off-by-one error here? (1.0f -> 2048 -> 0) */ \
case GL_ALPHA: \
case GL_LUMINANCE: \
case GL_INTENSITY: \
- info.tbytesline = obj->Image[b]->Width; \
+ info.tbytesline = obj->Image[0][b]->Width; \
break; \
case GL_LUMINANCE_ALPHA: \
- info.tbytesline = obj->Image[b]->Width * 2; \
+ info.tbytesline = obj->Image[0][b]->Width * 2; \
break; \
case GL_RGB: \
- info.tbytesline = obj->Image[b]->Width * 3; \
+ info.tbytesline = obj->Image[0][b]->Width * 3; \
break; \
case GL_RGBA: \
- info.tbytesline = obj->Image[b]->Width * 4; \
+ info.tbytesline = obj->Image[0][b]->Width * 4; \
break; \
default: \
_mesa_problem(NULL, "Bad texture format in affine_texture_triangle");\
return; \
} \
- info.tsize = obj->Image[b]->Height * info.tbytesline;
+ info.tsize = obj->Image[0][b]->Height * info.tbytesline;
#define RENDER_SPAN( span ) affine_span(ctx, &span, &info);
#include "s_tritemp.h"
-}
-
struct persp_info
GLuint i;
GLfloat tex_coord[3], tex_step[3];
- GLchan *dest = span->color.rgba[0];
-
- SW_SPAN_SET_FLAG(span->filledColor);
+ GLchan *dest = span->array->rgba[0];
- tex_coord[0] = span->tex[0][0] * (info->smask + 1),
- tex_step[0] = span->texStep[0][0] * (info->smask + 1);
- tex_coord[1] = span->tex[0][1] * (info->tmask + 1),
- tex_step[1] = span->texStep[0][1] * (info->tmask + 1);
+ tex_coord[0] = span->tex[0][0] * (info->smask + 1);
+ tex_step[0] = span->texStepX[0][0] * (info->smask + 1);
+ tex_coord[1] = span->tex[0][1] * (info->tmask + 1);
+ tex_step[1] = span->texStepX[0][1] * (info->tmask + 1);
/* span->tex[0][2] only if 3D-texturing, here only 2D */
- tex_coord[2] = span->tex[0][3],
- tex_step[2] = span->texStep[0][3];
+ tex_coord[2] = span->tex[0][3];
+ tex_step[2] = span->texStepX[0][3];
switch (info->filter) {
case GL_NEAREST:
SPAN_NEAREST(NEAREST_RGB;ADD,3);
break;
default:
- abort();
+ _mesa_problem(ctx, "bad tex env mode (5) in SPAN_LINEAR");
+ return;
}
break;
case GL_RGBA:
SPAN_NEAREST(NEAREST_RGBA_REPLACE,4);
break;
default:
- abort();
+ _mesa_problem(ctx, "bad tex env mode (6) in SPAN_LINEAR");
+ return;
}
break;
}
SPAN_LINEAR(LINEAR_RGB;ADD,3);
break;
default:
- abort();
+ _mesa_problem(ctx, "bad tex env mode (7) in SPAN_LINEAR");
+ return;
}
break;
case GL_RGBA:
SPAN_LINEAR(LINEAR_RGBA;REPLACE,4);
break;
default:
- abort();
+ _mesa_problem(ctx, "bad tex env mode (8) in SPAN_LINEAR");
+ return;
}
break;
}
break;
}
- _mesa_write_rgba_span(ctx, span, GL_POLYGON);
-
+ ASSERT(span->arrayMask & SPAN_RGBA);
+ _swrast_write_rgba_span(ctx, span);
#undef SPAN_NEAREST
#undef SPAN_LINEAR
* by interpolated Q/W comes out right.
*
*/
-static void persp_textured_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
+#define NAME persp_textured_triangle
#define INTERP_Z 1
#define INTERP_FOG 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define SETUP_CODE \
struct persp_info info; \
- struct gl_texture_unit *unit = ctx->Texture.Unit+0; \
- struct gl_texture_object *obj = unit->Current2D; \
- GLint b = obj->BaseLevel; \
- info.texture = (const GLchan *) obj->Image[b]->Data; \
- info.twidth_log2 = obj->Image[b]->WidthLog2; \
- info.smask = obj->Image[b]->Width - 1; \
- info.tmask = obj->Image[b]->Height - 1; \
- info.format = obj->Image[b]->Format; \
+ const struct gl_texture_unit *unit = ctx->Texture.Unit+0; \
+ const struct gl_texture_object *obj = unit->Current2D; \
+ const GLint b = obj->BaseLevel; \
+ info.texture = (const GLchan *) obj->Image[0][b]->Data; \
+ info.twidth_log2 = obj->Image[0][b]->WidthLog2; \
+ info.smask = obj->Image[0][b]->Width - 1; \
+ info.tmask = obj->Image[0][b]->Height - 1; \
+ info.format = obj->Image[0][b]->Format; \
info.filter = obj->MinFilter; \
info.envmode = unit->EnvMode; \
\
case GL_ALPHA: \
case GL_LUMINANCE: \
case GL_INTENSITY: \
- info.tbytesline = obj->Image[b]->Width; \
+ info.tbytesline = obj->Image[0][b]->Width; \
break; \
case GL_LUMINANCE_ALPHA: \
- info.tbytesline = obj->Image[b]->Width * 2; \
+ info.tbytesline = obj->Image[0][b]->Width * 2; \
break; \
case GL_RGB: \
- info.tbytesline = obj->Image[b]->Width * 3; \
+ info.tbytesline = obj->Image[0][b]->Width * 3; \
break; \
case GL_RGBA: \
- info.tbytesline = obj->Image[b]->Width * 4; \
+ info.tbytesline = obj->Image[0][b]->Width * 4; \
break; \
default: \
_mesa_problem(NULL, "Bad texture format in persp_textured_triangle");\
return; \
} \
- info.tsize = obj->Image[b]->Height * info.tbytesline;
+ info.tsize = obj->Image[0][b]->Height * info.tbytesline;
-#define RENDER_SPAN( span ) fast_persp_span(ctx, &span, &info);
+#define RENDER_SPAN( span ) \
+ span.interpMask &= ~SPAN_RGBA; \
+ span.arrayMask |= SPAN_RGBA; \
+ fast_persp_span(ctx, &span, &info);
#include "s_tritemp.h"
-}
-
#endif /* CHAN_BITS != GL_FLOAT */
* Render a smooth-shaded, textured, RGBA triangle.
* Interpolate S,T,R with perspective correction, w/out mipmapping.
*/
-static void general_textured_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
-#define INTERP_Z 1
-#define INTERP_FOG 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define INTERP_ALPHA 1
-#define INTERP_TEX 1
-
-#define SETUP_CODE \
- const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current; \
- const struct gl_texture_image *texImage = obj->Image[obj->BaseLevel];\
- span.texWidth[0] = (GLfloat) texImage->Width; \
- span.texHeight[0] = (GLfloat) texImage->Height; \
- (void) fixedToDepthShift;
-
-#define RENDER_SPAN( span ) \
- GLfloat fogSpan[MAX_WIDTH]; \
- GLuint i; \
- SW_SPAN_SET_FLAG(span.filledColor); \
- SW_SPAN_SET_FLAG(span.filledTex[0]); \
- /* NOTE: we could just call rasterize_span() here instead */ \
- for (i = 0; i < span.end; i++) { \
- GLdouble invQ = span.tex[0][3] ? (1.0 / span.tex[0][3]) : 1.0; \
- span.depth[i] = FixedToDepth(span.z); \
- span.z += span.zStep; \
- fogSpan[i] = span.fog; \
- span.fog += span.fogStep; \
- span.color.rgba[i][RCOMP] = FixedToChan(span.red); \
- span.color.rgba[i][GCOMP] = FixedToChan(span.green); \
- span.color.rgba[i][BCOMP] = FixedToChan(span.blue); \
- span.color.rgba[i][ACOMP] = FixedToChan(span.alpha); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.alpha += span.alphaStep; \
- span.texcoords[0][i][0] = (GLfloat) (span.tex[0][0] * invQ); \
- span.texcoords[0][i][1] = (GLfloat) (span.tex[0][1] * invQ); \
- span.texcoords[0][i][2] = (GLfloat) (span.tex[0][2] * invQ); \
- span.tex[0][0] += span.texStep[0][0]; \
- span.tex[0][1] += span.texStep[0][1]; \
- span.tex[0][2] += span.texStep[0][2]; \
- span.tex[0][3] += span.texStep[0][3]; \
- } \
- _old_write_texture_span( ctx, span.end, span.x, span.y, \
- span.depth, fogSpan, \
- span.texcoords[0], \
- NULL, span.color.rgba, NULL, NULL, GL_POLYGON );
-
-#define CLEANUP_CODE \
- UNDEFARRAY(sSpan); /* mac 32k limitation */ \
- UNDEFARRAY(tSpan); \
- UNDEFARRAY(uSpan);
-
-#include "s_tritemp.h"
-}
-
-
-/*
- * Render a smooth-shaded, textured, RGBA triangle with separate specular
- * color interpolation.
- * Interpolate texcoords with perspective correction, w/out mipmapping.
- */
-static void general_textured_spec_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
+#define NAME general_textured_triangle
#define INTERP_Z 1
+#define INTERP_W 1
#define INTERP_FOG 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define INTERP_RGB 1
#define INTERP_SPEC 1
#define INTERP_ALPHA 1
#define INTERP_TEX 1
-
-#define SETUP_CODE \
- const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current; \
- const struct gl_texture_image *texImage = obj->Image[obj->BaseLevel];\
- span.texWidth[0] = (GLfloat) texImage->Width; \
- span.texHeight[0] = (GLfloat) texImage->Height; \
- (void) fixedToDepthShift;
-
-#define RENDER_SPAN( span ) _mesa_rasterize_span(ctx, &span);
-
+#define RENDER_SPAN( span ) _swrast_write_texture_span(ctx, &span);
#include "s_tritemp.h"
-}
-
-
-/*
- * Render a smooth-shaded, textured, RGBA triangle.
- * Interpolate S,T,R with perspective correction and compute lambda for
- * each fragment. Lambda is used to determine whether to use the
- * minification or magnification filter. If minification and using
- * mipmaps, lambda is also used to select the texture level of detail.
- */
-static void lambda_textured_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
-#define INTERP_Z 1
-#define INTERP_FOG 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define INTERP_ALPHA 1
-#define INTERP_TEX 1
-#define INTERP_LAMBDA 1
-
-#define SETUP_CODE \
- const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current; \
- const struct gl_texture_image *texImage = obj->Image[obj->BaseLevel];\
- span.texWidth[0] = (GLfloat) texImage->Width; \
- span.texHeight[0] = (GLfloat) texImage->Height; \
- (void) fixedToDepthShift;
-
-#define RENDER_SPAN( span ) _mesa_rasterize_span(ctx, &span);
-
-#include "s_tritemp.h"
-}
-
-
-/*
- * Render a smooth-shaded, textured, RGBA triangle with separate specular
- * interpolation.
- * Interpolate S,T,R with perspective correction and compute lambda for
- * each fragment. Lambda is used to determine whether to use the
- * minification or magnification filter. If minification and using
- * mipmaps, lambda is also used to select the texture level of detail.
- */
-static void lambda_textured_spec_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
-#define INTERP_Z 1
-#define INTERP_FOG 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define INTERP_SPEC 1
-#define INTERP_ALPHA 1
-#define INTERP_TEX 1
-#define INTERP_LAMBDA 1
-
-#define SETUP_CODE \
- const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current; \
- const struct gl_texture_image *texImage = obj->Image[obj->BaseLevel];\
- span.texWidth[0] = (GLfloat) texImage->Width; \
- span.texHeight[0] = (GLfloat) texImage->Height; \
- (void) fixedToDepthShift;
-#define RENDER_SPAN( span ) _mesa_rasterize_span(ctx, &span);
-
-#include "s_tritemp.h"
-}
/*
* This is the big one!
- * Interpolate Z, RGB, Alpha, specular, fog, and N sets of texture coordinates
- * with lambda (LOD).
+ * Interpolate Z, RGB, Alpha, specular, fog, and N sets of texture coordinates.
* Yup, it's slow.
*/
-static void
-lambda_multitextured_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
-
+#define NAME multitextured_triangle
#define INTERP_Z 1
+#define INTERP_W 1
#define INTERP_FOG 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define INTERP_RGB 1
#define INTERP_ALPHA 1
#define INTERP_SPEC 1
#define INTERP_MULTITEX 1
-#define INTERP_LAMBDA 1
-
-#define SETUP_CODE \
- GLuint u; \
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \
- if (ctx->Texture.Unit[u]._ReallyEnabled) { \
- const struct gl_texture_object *texObj; \
- const struct gl_texture_image *texImage; \
- texObj = ctx->Texture.Unit[u]._Current; \
- texImage = texObj->Image[texObj->BaseLevel]; \
- span.texWidth[u] = (GLfloat) texImage->Width; \
- span.texHeight[u] = (GLfloat) texImage->Height; \
- } \
- } \
- (void) fixedToDepthShift;
-
-#define RENDER_SPAN( span ) _mesa_rasterize_span(ctx, &span);
-
+#define RENDER_SPAN( span ) _swrast_write_texture_span(ctx, &span);
#include "s_tritemp.h"
-}
-static void occlusion_zless_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
-{
- if (ctx->OcclusionResult) {
- return;
- }
-
+/*
+ * Special tri function for occlusion testing
+ */
+#define NAME occlusion_zless_triangle
#define DO_OCCLUSION_TEST
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-
+#define SETUP_CODE \
+ if (ctx->OcclusionResult && !ctx->Occlusion.Active) { \
+ return; \
+ }
#define RENDER_SPAN( span ) \
GLuint i; \
for (i = 0; i < span.end; i++) { \
- GLdepth z = FixedToDepth(span.z); \
+ GLdepth z = FixedToDepth(span.z); \
if (z < zRow[i]) { \
ctx->OcclusionResult = GL_TRUE; \
- return; \
+ ctx->Occlusion.PassedCounter++; \
} \
span.z += span.zStep; \
}
-
#include "s_tritemp.h"
-}
-static void nodraw_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
+
+
+static void
+nodraw_triangle( GLcontext *ctx,
+ const SWvertex *v0,
+ const SWvertex *v1,
+ const SWvertex *v2 )
{
(void) (ctx && v0 && v1 && v2);
}
/* record the current triangle function name */
const char *_mesa_triFuncName = NULL;
-#define USE(triFunc) \
-do { \
- _mesa_triFuncName = #triFunc; \
- /*printf("%s\n", triFuncName);*/ \
- swrast->Triangle = triFunc; \
+#define USE(triFunc) \
+do { \
+ _mesa_triFuncName = #triFunc; \
+ /*printf("%s\n", _mesa_triFuncName);*/ \
+ swrast->Triangle = triFunc; \
} while (0)
#else
if (ctx->RenderMode==GL_RENDER) {
if (ctx->Polygon.SmoothFlag) {
- _mesa_set_aa_triangle_function(ctx);
+ _swrast_set_aa_triangle_function(ctx);
ASSERT(swrast->Triangle);
return;
}
- if (ctx->Depth.OcclusionTest &&
+ /* special case for occlusion testing */
+ if ((ctx->Depth.OcclusionTest || ctx->Occlusion.Active) &&
ctx->Depth.Test &&
ctx->Depth.Mask == GL_FALSE &&
ctx->Depth.Func == GL_LESS &&
}
}
- if (ctx->Texture._ReallyEnabled) {
+ if (ctx->Texture._EnabledCoordUnits || ctx->FragmentProgram.Enabled) {
/* Ugh, we do a _lot_ of tests to pick the best textured tri func */
const struct gl_texture_object *texObj2D;
const struct gl_texture_image *texImg;
GLenum minFilter, magFilter, envMode;
GLint format;
texObj2D = ctx->Texture.Unit[0].Current2D;
- texImg = texObj2D ? texObj2D->Image[texObj2D->BaseLevel] : NULL;
+ texImg = texObj2D ? texObj2D->Image[0][texObj2D->BaseLevel] : NULL;
format = texImg ? texImg->TexFormat->MesaFormat : -1;
minFilter = texObj2D ? texObj2D->MinFilter : (GLenum) 0;
magFilter = texObj2D ? texObj2D->MagFilter : (GLenum) 0;
envMode = ctx->Texture.Unit[0].EnvMode;
- /* First see if we can used an optimized 2-D texture function */
- if (ctx->Texture._ReallyEnabled==TEXTURE0_2D
+ /* First see if we can use an optimized 2-D texture function */
+ if (ctx->Texture._EnabledCoordUnits == 1
+ && !ctx->FragmentProgram.Enabled
+ && ctx->Texture.Unit[0]._ReallyEnabled == TEXTURE_2D_BIT
&& texObj2D->WrapS==GL_REPEAT
&& texObj2D->WrapT==GL_REPEAT
+ && texObj2D->_IsPowerOfTwo
&& texImg->Border==0
+ && texImg->Width == texImg->RowStride
&& (format == MESA_FORMAT_RGB || format == MESA_FORMAT_RGBA)
&& minFilter == magFilter
&& ctx->Light.Model.ColorControl == GL_SINGLE_COLOR
}
}
else {
-#if CHAN_TYPE == GL_FLOAT
+#if (CHAN_BITS == 16 || CHAN_BITS == 32)
USE(general_textured_triangle);
#else
USE(affine_textured_triangle);
}
}
else {
-#if CHAN_TYPE == GL_FLOAT
+#if (CHAN_BITS == 16 || CHAN_BITS == 32)
USE(general_textured_triangle);
#else
USE(persp_textured_triangle);
}
}
else {
- /* More complicated textures (mipmap, multi-tex, sep specular) */
- GLboolean needLambda;
- /* if mag filter != min filter we need to compute lambda */
- const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current;
- if (obj && obj->MinFilter != obj->MagFilter)
- needLambda = GL_TRUE;
- else
- needLambda = GL_FALSE;
- if (ctx->Texture._ReallyEnabled > TEXTURE0_ANY) {
- USE(lambda_multitextured_triangle);
- }
- else if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
- /* separate specular color interpolation */
- if (needLambda) {
- USE(lambda_textured_spec_triangle);
- }
- else {
- USE(general_textured_spec_triangle);
- }
+ /* general case textured triangles */
+ if (ctx->Texture._EnabledCoordUnits > 1) {
+ USE(multitextured_triangle);
}
else {
- if (needLambda) {
- USE(lambda_textured_triangle);
- }
- else {
- USE(general_textured_triangle);
- }
+ USE(general_textured_triangle);
}
}
}
else {
- ASSERT(!ctx->Texture._ReallyEnabled);
+ ASSERT(!ctx->Texture._EnabledCoordUnits);
if (ctx->Light.ShadeModel==GL_SMOOTH) {
/* smooth shaded, no texturing, stippled or some raster ops */
if (rgbmode) {
}
}
else if (ctx->RenderMode==GL_FEEDBACK) {
- USE(_mesa_feedback_triangle);
+ USE(_swrast_feedback_triangle);
}
else {
/* GL_SELECT mode */
- USE(_mesa_select_triangle);
+ USE(_swrast_select_triangle);
}
}
projects / mesa.git / blobdiff