diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_render.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_render.c | 195 |
1 files changed, 134 insertions, 61 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index 1850a6f247..d0e06ade40 100644 --- a/src/gallium/drivers/r300/r300_render.c +++ b/src/gallium/drivers/r300/r300_render.c @@ -42,6 +42,9 @@ /* r300_render: Vertex and index buffer primitive emission. */ #define R300_MAX_VBO_SIZE (1024 * 1024) +/* XXX The DRM rejects VAP_ALT_NUM_VERTICES.. */ +//#define ENABLE_ALT_NUM_VERTS + uint32_t r300_translate_primitive(unsigned prim) { switch (prim) { @@ -115,6 +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) { @@ -129,7 +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->velems->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; @@ -168,9 +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, NULL); 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); @@ -210,16 +229,28 @@ static void r300_emit_draw_arrays(struct r300_context *r300, unsigned mode, unsigned count) { +#if defined(ENABLE_ALT_NUM_VERTS) + boolean alt_num_verts = count > 65535; +#else + boolean alt_num_verts = FALSE; +#endif CS_LOCALS(r300); - BEGIN_CS(8); + if (alt_num_verts) { + assert(count < (1 << 24)); + BEGIN_CS(10); + OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); + } else { + BEGIN_CS(8); + } OUT_CS_REG(R300_GA_COLOR_CONTROL, r300_provoking_vertex_fixes(r300, mode)); OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, 0); OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1); OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | - r300_translate_primitive(mode)); + r300_translate_primitive(mode) | + (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); END_CS; } @@ -234,41 +265,54 @@ static void r300_emit_draw_elements(struct r300_context *r300, { uint32_t count_dwords; uint32_t offset_dwords = indexSize * start / sizeof(uint32_t); +#if defined(ENABLE_ALT_NUM_VERTS) + boolean alt_num_verts = count > 65535; +#else + boolean alt_num_verts = FALSE; +#endif CS_LOCALS(r300); - /* XXX most of these are stupid */ - assert(indexSize == 4 || indexSize == 2); assert((start * indexSize) % 4 == 0); - assert(offset_dwords == 0); + assert(count < (1 << 24)); + + DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, min %u max %u\n", + count, minIndex, maxIndex); + + maxIndex = MIN2(maxIndex, r300->vertex_buffer_max_index); - BEGIN_CS(14); + if (alt_num_verts) { + BEGIN_CS(16); + OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); + } else { + BEGIN_CS(14); + } OUT_CS_REG(R300_GA_COLOR_CONTROL, r300_provoking_vertex_fixes(r300, mode)); OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, minIndex); 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)); + 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)); + r300_translate_primitive(mode) | + (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); } /* INDX_BUFFER is a truly special packet3. * Unlike most other packet3, where the offset is after the count, * the order is reversed, so the relocation ends up carrying the * size of the indexbuf instead of the offset. - * - * XXX Fix offset */ OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2); OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) | (0 << R300_INDX_BUFFER_SKIP_SHIFT)); - OUT_CS(offset_dwords); + OUT_CS(offset_dwords << 2); OUT_CS_RELOC(indexBuffer, count_dwords, RADEON_GEM_DOMAIN_GTT, 0, 0); @@ -343,48 +387,52 @@ void r300_draw_range_elements(struct pipe_context* pipe, { struct r300_context* r300 = r300_context(pipe); struct pipe_buffer* orgIndexBuffer = indexBuffer; +#if defined(ENABLE_ALT_NUM_VERTS) + boolean alt_num_verts = r300_screen(pipe->screen)->caps->is_r500 && + count > 65536; +#else + boolean alt_num_verts = FALSE; +#endif + unsigned short_count; if (!u_trim_pipe_prim(mode, &count)) { return; } - if (count > 65535) { - /* XXX: use aux/indices functions to split this into smaller - * primitives. - */ - 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); - r300_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, maxIndex, - mode, start, count); + if (alt_num_verts || count <= 65535) { + r300_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, + maxIndex, mode, start, count); + } else { + do { + short_count = MIN2(count, 65534); + r300_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, + maxIndex, mode, start, short_count); + + 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); } @@ -396,40 +444,60 @@ 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, unsigned start, unsigned count) { struct r300_context* r300 = r300_context(pipe); +#if defined(ENABLE_ALT_NUM_VERTS) + boolean alt_num_verts = r300_screen(pipe->screen)->caps->is_r500 && + count > 65536; +#else + boolean alt_num_verts = FALSE; +#endif + unsigned short_count; if (!u_trim_pipe_prim(mode, &count)) { return; } - if (count > 65535) { - /* XXX: driver needs to handle this -- use the functions in - * aux/indices to split this into several smaller primitives. - */ - return; - } - 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, NULL); r300_emit_dirty_state(r300); - r300_emit_aos(r300, start); - r300_emit_draw_arrays(r300, mode, count); + + if (alt_num_verts || count <= 65535) { + r300_emit_aos(r300, start); + r300_emit_draw_arrays(r300, mode, count); + } else { + do { + short_count = MIN2(count, 65535); + r300_emit_aos(r300, start); + r300_emit_draw_arrays(r300, mode, short_count); + + 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, NULL); + r300_emit_dirty_state(r300); + } + } while (count); + } } } @@ -559,7 +627,7 @@ 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, @@ -644,6 +712,8 @@ 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_buffer_validate(r300, FALSE, NULL); r300_emit_dirty_state(r300); DBG(r300, DBG_DRAW, "r300: Doing vbuf render, count %d\n", count); @@ -662,12 +732,15 @@ 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_buffer_validate(r300, FALSE, NULL); 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); |