diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_render.c')
-rw-r--r-- | src/mesa/drivers/dri/r300/r300_render.c | 36 |
1 files changed, 24 insertions, 12 deletions
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); } |