diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_render.c | 94 |
1 files changed, 41 insertions, 53 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c index 1cb99915ff7..aaf1b8819a4 100644 --- a/src/mesa/drivers/dri/r300/r300_render.c +++ b/src/mesa/drivers/dri/r300/r300_render.c @@ -72,81 +72,69 @@ static int r300_get_primitive_type(r300ContextPtr rmesa, TNLcontext *tnl = TNL_CONTEXT(ctx); struct vertex_buffer *VB = &tnl->vb; GLuint i; - int type=-1; + int type=-1, min_vertices=0; + char *name="UNKNOWN"; if(end<=start)return -1; /* do we need to watch for this ? */ - fprintf(stderr, "[%d-%d]", start, end); switch (prim & PRIM_MODE_MASK) { - case GL_LINES: - fprintf(stderr, "L "); + case GL_POINTS: + name="P"; + type=R300_VAP_VF_CNTL__PRIM_POINTS; + min_vertices=1; + break; + case GL_LINES: + name="L"; type=R300_VAP_VF_CNTL__PRIM_LINES; - if(end<start+2){ - fprintf(stderr, "Not enough vertices\n"); - return -1; /* need enough vertices for Q */ - } - break; - case GL_LINE_STRIP: - fprintf(stderr, "LS "); + min_vertices=2; + break; + case GL_LINE_STRIP: + name="LS"; type=R300_VAP_VF_CNTL__PRIM_LINE_STRIP; - if(end<start+2){ - fprintf(stderr, "Not enough vertices\n"); - return -1; /* need enough vertices for Q */ - } + min_vertices=2; break; - case GL_LINE_LOOP: - fprintf(stderr, "LL "); + case GL_LINE_LOOP: + name="LL"; + min_vertices=2; return -1; - if(end<start+2){ - fprintf(stderr, "Not enough vertices\n"); - return -1; /* need enough vertices for Q */ - } break; - case GL_TRIANGLES: - fprintf(stderr, "T "); + case GL_TRIANGLES: + name="T"; type=R300_VAP_VF_CNTL__PRIM_TRIANGLES; - if(end<start+3){ - fprintf(stderr, "Not enough vertices\n"); - return -1; /* need enough vertices for Q */ - } + min_vertices=3; break; - case GL_TRIANGLE_STRIP: - fprintf(stderr, "TS "); + case GL_TRIANGLE_STRIP: + name="TS"; type=R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP; - if(end<start+3){ - fprintf(stderr, "Not enough vertices\n"); - return -1; /* need enough vertices for Q */ - } + min_vertices=3; break; - case GL_TRIANGLE_FAN: - fprintf(stderr, "TF "); + case GL_TRIANGLE_FAN: + name="TF"; type=R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN; - if(end<start+3){ - fprintf(stderr, "Not enough vertices\n"); - return -1; /* need enough vertices for Q */ - } + min_vertices=3; break; - case GL_QUADS: - fprintf(stderr, "Q "); + case GL_QUADS: + name="Q"; type=R300_VAP_VF_CNTL__PRIM_QUADS; - if(end<start+4){ - fprintf(stderr, "Not enough vertices\n"); - return -1; /* need enough vertices for Q */ - } + min_vertices=4; break; - case GL_QUAD_STRIP: - fprintf(stderr, "QS "); + case GL_QUAD_STRIP: + name="QS"; type=R300_VAP_VF_CNTL__PRIM_QUAD_STRIP; - if(end<start+4){ - fprintf(stderr, "Not enough vertices\n"); - return -1; /* need enough vertices for Q */ - } + min_vertices=4; break; - default: + default: fprintf(stderr, "Cannot handle primitive %02x ", prim & PRIM_MODE_MASK); return -1; break; - } + } + #if 1 + fprintf(stderr, "[%d-%d]%s ", start, end, name); + #endif + if(start+min_vertices>=end){ + fprintf(stderr, "Not enough vertices\n"); + return -1; + } return type; } |