diff options
Diffstat (limited to 'src/mesa/swrast/s_pixeltex.c')
| -rw-r--r-- | src/mesa/swrast/s_pixeltex.c | 59 |
1 files changed, 23 insertions, 36 deletions
diff --git a/src/mesa/swrast/s_pixeltex.c b/src/mesa/swrast/s_pixeltex.c index c2b597a9af..3afda84fa0 100644 --- a/src/mesa/swrast/s_pixeltex.c +++ b/src/mesa/swrast/s_pixeltex.c @@ -1,4 +1,4 @@ -/* $Id: s_pixeltex.c,v 1.8 2002/04/12 15:39:59 brianp Exp $ */ +/* $Id: s_pixeltex.c,v 1.9 2002/05/02 00:59:20 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -85,47 +85,34 @@ pixeltexgen(GLcontext *ctx, GLuint n, const GLchan rgba[][4], /* - * Used byglDraw/CopyPixels: the incoming image colors are treated + * Used by glDraw/CopyPixels: the incoming image colors are treated * as texture coordinates. Use those coords to texture the image. * This is for GL_SGIS_pixel_texture / GL_SGIX_pixel_texture. */ void _swrast_pixel_texture(GLcontext *ctx, struct sw_span *span) { - if (ctx->Texture._ReallyEnabled & ~TEXTURE0_ANY) { - /* multitexture! */ - GLchan primary_rgba[MAX_WIDTH][4]; - GLuint unit; - - ASSERT(!(span->arrayMask & SPAN_TEXTURE)); - span->arrayMask |= SPAN_TEXTURE; - - MEMCPY(primary_rgba, span->color.rgba, 4 * span->end * sizeof(GLchan)); - - for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { - if (ctx->Texture.Unit[unit]._ReallyEnabled) { - pixeltexgen(ctx, span->end, - (const GLchan (*)[4]) span->color.rgba, - span->texcoords[unit]); - _swrast_texture_fragments(ctx, unit, span, - (CONST GLchan (*)[4]) primary_rgba); - } + GLuint unit; + + ASSERT(!(span->arrayMask & SPAN_TEXTURE)); + span->arrayMask |= SPAN_TEXTURE; + + /* convert colors into texture coordinates */ + pixeltexgen( ctx, span->end, + (const GLchan (*)[4]) span->color.rgba, + span->texcoords[0] ); + + /* copy the new texture units for all enabled units */ + for (unit = 1; unit < ctx->Const.MaxTextureUnits; unit++) { + if (ctx->Texture.Unit[unit]._ReallyEnabled) { + MEMCPY( span->texcoords[unit], span->texcoords[0], + span->end * 4 * sizeof(GLfloat) ); } - /* this is a work-around to be fixed by initializing again span */ - span->arrayMask &= ~SPAN_TEXTURE; - } - else { - /* single texture, unit 0 */ - ASSERT(ctx->Texture._ReallyEnabled & TEXTURE0_ANY); - ASSERT(!(span->arrayMask & SPAN_TEXTURE)); - span->arrayMask |= SPAN_TEXTURE; - - pixeltexgen(ctx, span->end, - (const GLchan (*)[4]) span->color.rgba, - span->texcoords[0]); - _swrast_texture_fragments(ctx, 0, span, - (CONST GLchan (*)[4]) span->color.rgba); - /* this is a work-around to be fixed */ - span->arrayMask &= ~SPAN_TEXTURE; } + + /* apply texture mapping */ + _swrast_texture_span( ctx, span ); + + /* this is a work-around to be fixed by initializing again span */ + span->arrayMask &= ~SPAN_TEXTURE; } |