From 002a64cc48edea1dcd6f257c754dc1d2fcfe3e31 Mon Sep 17 00:00:00 2001 From: Aapo Tahkola Date: Thu, 17 Feb 2005 18:02:28 +0000 Subject: magic_1 handling... --- src/mesa/drivers/dri/r300/r300_maos.c | 45 ++++++++++++++++++++++++++------- src/mesa/drivers/dri/r300/r300_render.c | 36 +++++++++++++++++--------- 2 files changed, 60 insertions(+), 21 deletions(-) (limited to 'src') diff --git a/src/mesa/drivers/dri/r300/r300_maos.c b/src/mesa/drivers/dri/r300/r300_maos.c index 2f112d4bb2..20a804d97a 100644 --- a/src/mesa/drivers/dri/r300/r300_maos.c +++ b/src/mesa/drivers/dri/r300/r300_maos.c @@ -210,7 +210,8 @@ static void emit_vector(GLcontext * ctx, } -void emit_elts(GLcontext * ctx, GLuint *elts, int oec, int ec) +void emit_elts(GLcontext * ctx, GLuint *elts, + unsigned long n_elts, unsigned long n_fake_elts, int align) { r300ContextPtr rmesa = R300_CONTEXT(ctx); radeonScreenPtr rsp=rmesa->radeon.radeonScreen; @@ -218,17 +219,43 @@ void emit_elts(GLcontext * ctx, GLuint *elts, int oec, int ec) int i; int inc_found=0; int dec_found=0; + unsigned long *dst; + unsigned long magic_tbl2[6]= { 0x3f51eb85, 0x3e99999a, 0x3f1eb852, 0x3e6b851f, 0x3f2b851f, 0x3eb33333 }; - hw_elts=malloc(ec*sizeof(unsigned short int)); + if(n_elts == 1){ + fprintf(stderr, "Dont know how to handle this\n"); + exit(-1); + } - for(i=0; i < oec; i++) + hw_elts=malloc(n_fake_elts*sizeof(unsigned short int)); + + for(i=0; i < n_elts; i++) hw_elts[i]=(unsigned short int)elts[i]; /* Work around magic_1 problem by filling rest of the data with last idx */ - for(; i < ec; i++) - hw_elts[i]=(unsigned short int)elts[oec-1]; + for(; i < n_fake_elts; i++) + hw_elts[i]=(unsigned short int)elts[n_elts-1]; + + dst=rsp->gartTextures.map; + + /* Buffer underrun in fgl causes these patterns to appear. + Filling these shouldnt be needed in real life. */ + for(i=0; i < align; i++) + if(dst[i] = magic_tbl2[6-align+i]) + + //memset(dst, 0, align*sizeof(unsigned long)); + /*for(i=0; i < align; i++) + dst[i]=rand()%(~0);*/ + + dst=&dst[align]; + + memcpy(dst, hw_elts, n_fake_elts*sizeof(unsigned short int)); + dst=((char *)dst)+n_fake_elts*sizeof(unsigned short int); + + /*for(i=0; i < 1024/4; i++) + dst[i]=rand()%(~0);*/ + //memset(dst, 0, 1024); - memcpy(rsp->gartTextures.map, hw_elts, ec*sizeof(unsigned short int)); //memset(((char *)rsp->gartTextures.map)+ec*sizeof(unsigned short int), 0, 1024); /*emit_vector(ctx, &rmesa->state.elt_ao, (char *)hw_elts, @@ -250,15 +277,15 @@ void emit_elts(GLcontext * ctx, GLuint *elts, int oec, int ec) } fprintf(stderr, "elts:"); - for(i=0; i < oec; i++) - fprintf(stderr, "%d\n", hw_elts[i]); - fprintf(stderr, "\n"); if(inc_found==0 && dec_found==0){ fprintf(stderr, "error found\n"); exit(-1); } */ + /*for(i=0; i < n_elts; i++) + fprintf(stderr, "%d ", hw_elts[i]); + fprintf(stderr, "\n");*/ } /* Emit vertex data to GART memory (unless immediate mode) diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c index 8264fcee75..d26d4c00c9 100644 --- a/src/mesa/drivers/dri/r300/r300_render.c +++ b/src/mesa/drivers/dri/r300/r300_render.c @@ -516,34 +516,45 @@ static GLboolean r300_run_immediate_render(GLcontext *ctx, } /* vertex buffer implementation */ -void emit_elts(GLcontext * ctx, GLuint *elts, int oec, int ec); +void emit_elts(GLcontext * ctx, GLuint *elts, + unsigned long n_elts, unsigned long n_fake_elts, int align); # define R300_EB_UNK1_SHIFT 24 # define R300_EB_UNK1 (0x80<<24) # define R300_EB_UNK2 0x0810 +//#define PLAY_WITH_MAGIC_1 + unsigned long get_num_elts(unsigned long count) { - unsigned long magic_1; - +#ifdef PLAY_WITH_MAGIC_1 + return count; +#else /* round up elt count so that magic_1 is 0 (divisable by 4)*/ return (count+3) & (~3); //return count - (count % 4); +#endif +} + +int get_align(int vertex_count) +{ + unsigned char magic1_tbl[4]={ 0, 6, 4, 2 }; + + return magic1_tbl[vertex_count % 4]; } static void inline fire_EB(PREFIX unsigned long addr, int vertex_count, int type) { LOCAL_VARS unsigned long magic_1; - unsigned char magic1_tbl[4]={ 0, 6, 4, 2 }; - - magic_1 = magic1_tbl[vertex_count % 4]; + magic_1 = get_align(vertex_count); +#ifndef PLAY_WITH_MAGIC_1 if(magic_1 != 0){ WARN_ONCE("Dont know how to handle this yet!\n"); return ; } - +#endif check_space(6); start_packet3(RADEON_CP_PACKET3_3D_DRAW_INDX_2, 0); @@ -552,7 +563,7 @@ static void inline fire_EB(PREFIX unsigned long addr, int vertex_count, int type start_packet3(RADEON_CP_PACKET3_INDX_BUFFER, 2); e32(R300_EB_UNK1 | (magic_1 << 16) | R300_EB_UNK2); e32(addr); - e32(((vertex_count+1) / 2) + magic_1); + e32(((vertex_count+1) / 2) + magic_1); /* This still fails once in a while */ } static void r300_render_vb_primitive(r300ContextPtr rmesa, @@ -579,7 +590,7 @@ static void r300_render_vb_primitive(r300ContextPtr rmesa, elt_count=get_num_elts(num_verts); //emit_elts(ctx, rmesa->state.Elts, VB->Count, get_num_elts(VB->Count)); - emit_elts(ctx, rmesa->state.Elts+start, num_verts, elt_count); + emit_elts(ctx, rmesa->state.Elts+start, num_verts, elt_count, get_align(elt_count)); fire_EB(PASS_PREFIX rsp->gartTextures.handle/*rmesa->state.elt_ao.aos_offset*/, elt_count, type); }else fire_AOS(PASS_PREFIX num_verts, type); @@ -622,9 +633,10 @@ static GLboolean r300_run_vb_render(GLcontext *ctx, GLuint prim = VB->Primitive[i].mode; GLuint start = VB->Primitive[i].start; GLuint length = VB->Primitive[i].count; - - r300EmitAOS(rmesa, rmesa->state.aos_count, start); - + if(rmesa->state.Elts) + r300EmitAOS(rmesa, rmesa->state.aos_count, 0); + else + r300EmitAOS(rmesa, rmesa->state.aos_count, start); r300_render_vb_primitive(rmesa, ctx, start, start + length, prim); } -- cgit v1.2.3