diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_render.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_render.c | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index 648d884654..ec72d6c3b5 100644 --- a/src/gallium/drivers/r300/r300_render.c +++ b/src/gallium/drivers/r300/r300_render.c @@ -118,6 +118,18 @@ static uint32_t r300_provoking_vertex_fixes(struct r300_context *r300, return color_control; } +/* Check if the requested number of dwords is available in the CS and + * if not, flush. Return TRUE if the flush occured. */ +static boolean r300_reserve_cs_space(struct r300_context *r300, + unsigned dwords) +{ + while (!r300->winsys->check_cs(r300->winsys, dwords)) { + r300->context.flush(&r300->context, 0, NULL); + return TRUE; + } + return FALSE; +} + static boolean immd_is_good_idea(struct r300_context *r300, unsigned count) { @@ -132,7 +144,7 @@ static void r300_emit_draw_arrays_immediate(struct r300_context *r300, struct pipe_vertex_element* velem; struct pipe_vertex_buffer* vbuf; unsigned vertex_element_count = r300->vertex_element_count; - unsigned i, v, vbi, dw, elem_offset; + unsigned i, v, vbi, dw, elem_offset, dwords; /* Size of the vertex, in dwords. */ unsigned vertex_size = 0; @@ -171,9 +183,12 @@ static void r300_emit_draw_arrays_immediate(struct r300_context *r300, } } + dwords = 10 + count * vertex_size; + + r300_reserve_cs_space(r300, r300_get_num_dirty_dwords(r300) + dwords); r300_emit_dirty_state(r300); - BEGIN_CS(10 + count * vertex_size); + BEGIN_CS(dwords); OUT_CS_REG(R300_GA_COLOR_CONTROL, r300_provoking_vertex_fixes(r300, mode)); OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); @@ -400,8 +415,9 @@ void r300_draw_range_elements(struct pipe_context* pipe, goto cleanup; } + /* 128 dwords for emit_aos and emit_draw_elements */ + r300_reserve_cs_space(r300, r300_get_num_dirty_dwords(r300) + 128); r300_emit_dirty_state(r300); - r300_emit_aos(r300, 0); if (alt_num_verts || count <= 65535) { @@ -415,6 +431,12 @@ void r300_draw_range_elements(struct pipe_context* pipe, start += short_count; count -= short_count; + + /* 16 spare dwords are enough for emit_draw_elements. */ + if (count && r300_reserve_cs_space(r300, 16)) { + r300_emit_dirty_state(r300); + r300_emit_aos(r300, 0); + } } while (count); } @@ -461,6 +483,9 @@ void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, return; } + /* Make sure there are at least 128 spare dwords in the command buffer. + * (most of it being consumed by emit_aos) */ + r300_reserve_cs_space(r300, r300_get_num_dirty_dwords(r300) + 128); r300_emit_dirty_state(r300); if (alt_num_verts || count <= 65535) { @@ -474,6 +499,12 @@ void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, start += short_count; count -= short_count; + + /* Again, we emit both AOS and draw_arrays so there should be + * at least 128 spare dwords. */ + if (count && r300_reserve_cs_space(r300, 128)) { + r300_emit_dirty_state(r300); + } } while (count); } } @@ -690,6 +721,7 @@ static void r300_render_draw_arrays(struct vbuf_render* render, CS_LOCALS(r300); + r300_reserve_cs_space(r300, r300_get_num_dirty_dwords(r300) + 2); r300_emit_dirty_state(r300); DBG(r300, DBG_DRAW, "r300: Doing vbuf render, count %d\n", count); @@ -708,12 +740,14 @@ static void r300_render_draw(struct vbuf_render* render, struct r300_render* r300render = r300_render(render); struct r300_context* r300 = r300render->r300; int i; + unsigned dwords = 2 + (count+1)/2; CS_LOCALS(r300); + r300_reserve_cs_space(r300, r300_get_num_dirty_dwords(r300) + dwords); r300_emit_dirty_state(r300); - BEGIN_CS(2 + (count+1)/2); + BEGIN_CS(dwords); OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (count+1)/2); OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | r300render->hwprim); |