diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_render.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_render.c | 114 |
1 files changed, 52 insertions, 62 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index 754eb4dc76..770a92be74 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) +{ + if (!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 +183,13 @@ 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_buffer_validate(r300, FALSE, 0); 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); @@ -258,11 +274,6 @@ static void r300_emit_draw_elements(struct r300_context *r300, assert((start * indexSize) % 4 == 0); - /* XXX Non-zero offset locks up. */ - if (offset_dwords != 0) { - return; - } - if (alt_num_verts) { assert(count < (1 << 24)); BEGIN_CS(16); @@ -276,13 +287,13 @@ static void r300_emit_draw_elements(struct r300_context *r300, OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, maxIndex); OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0); if (indexSize == 4) { - count_dwords = count + start; + count_dwords = count; OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | R300_VAP_VF_CNTL__INDEX_SIZE_32bit | r300_translate_primitive(mode) | (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); } else { - count_dwords = (count + start + 1) / 2; + count_dwords = (count + 1) / 2; OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | r300_translate_primitive(mode) | (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); @@ -303,31 +314,6 @@ static void r300_emit_draw_elements(struct r300_context *r300, END_CS; } -static boolean r300_setup_vertex_buffers(struct r300_context *r300) -{ - struct pipe_vertex_buffer *vbuf = r300->vertex_buffer; - struct pipe_vertex_element *velem = r300->vertex_element; - struct pipe_buffer *pbuf; - -validate: - for (int i = 0; i < r300->vertex_element_count; i++) { - pbuf = vbuf[velem[i].vertex_buffer_index].buffer; - - if (!r300->winsys->add_buffer(r300->winsys, pbuf, - RADEON_GEM_DOMAIN_GTT, 0)) { - r300->context.flush(&r300->context, 0, NULL); - goto validate; - } - } - - if (!r300->winsys->validate(r300->winsys)) { - r300->context.flush(&r300->context, 0, NULL); - return r300->winsys->validate(r300->winsys); - } - - return TRUE; -} - static void r300_shorten_ubyte_elts(struct r300_context* r300, struct pipe_buffer** elts, unsigned count) @@ -383,30 +369,17 @@ void r300_draw_range_elements(struct pipe_context* pipe, return; } - r300_update_derived_state(r300); - - r300_emit_buffer_validate(r300); - - if (!r300_setup_vertex_buffers(r300)) { - return; - } - if (indexSize == 1) { r300_shorten_ubyte_elts(r300, &indexBuffer, count); indexSize = 2; } - if (!r300->winsys->add_buffer(r300->winsys, indexBuffer, - RADEON_GEM_DOMAIN_GTT, 0)) { - goto cleanup; - } - - if (!r300->winsys->validate(r300->winsys)) { - goto cleanup; - } + r300_update_derived_state(r300); + /* 128 dwords for emit_aos and emit_draw_elements */ + r300_reserve_cs_space(r300, r300_get_num_dirty_dwords(r300) + 128); + r300_emit_buffer_validate(r300, TRUE, indexBuffer); r300_emit_dirty_state(r300); - r300_emit_aos(r300, 0); if (alt_num_verts || count <= 65535) { @@ -420,10 +393,16 @@ 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_buffer_validate(r300, TRUE, indexBuffer); + r300_emit_dirty_state(r300); + r300_emit_aos(r300, 0); + } } while (count); } -cleanup: if (indexBuffer != orgIndexBuffer) { pipe->screen->buffer_destroy(indexBuffer); } @@ -435,8 +414,11 @@ void r300_draw_elements(struct pipe_context* pipe, unsigned indexSize, unsigned mode, unsigned start, unsigned count) { - pipe->draw_range_elements(pipe, indexBuffer, indexSize, 0, ~0, - mode, start, count); + struct r300_context *r300 = r300_context(pipe); + + pipe->draw_range_elements(pipe, indexBuffer, indexSize, 0, + r300->vertex_buffer_max_index, + mode, start, count); } void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, @@ -457,15 +439,13 @@ void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, r300_update_derived_state(r300); - r300_emit_buffer_validate(r300); - if (immd_is_good_idea(r300, count)) { r300_emit_draw_arrays_immediate(r300, mode, start, count); } else { - if (!r300_setup_vertex_buffers(r300)) { - 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_buffer_validate(r300, TRUE, 0); r300_emit_dirty_state(r300); if (alt_num_verts || count <= 65535) { @@ -479,6 +459,13 @@ 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_buffer_validate(r300, TRUE, 0); + r300_emit_dirty_state(r300); + } } while (count); } } @@ -610,7 +597,7 @@ r300_render_get_vertex_info(struct vbuf_render* render) r300_update_derived_state(r300); - return (struct vertex_info*)r300->vertex_format_state.state; + return &r300->vertex_info; } static boolean r300_render_allocate_vertices(struct vbuf_render* render, @@ -695,6 +682,7 @@ 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); @@ -713,12 +701,14 @@ 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); |