From 437583ea637ab402a06ae6683af6df35d52512d4 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Mon, 14 Feb 2011 10:11:50 +0100 Subject: r300g: cleanup the draw functions --- src/gallium/drivers/r300/r300_render.c | 126 +++++++++++++-------------------- 1 file changed, 50 insertions(+), 76 deletions(-) (limited to 'src/gallium/drivers/r300/r300_render.c') diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index 37b9934a61..299038a4e8 100644 --- a/src/gallium/drivers/r300/r300_render.c +++ b/src/gallium/drivers/r300/r300_render.c @@ -366,10 +366,9 @@ static boolean immd_is_good_idea(struct r300_context *r300, * The HWTCL draw functions. * ****************************************************************************/ -static void r300_emit_draw_arrays_immediate(struct r300_context *r300, - unsigned mode, - unsigned start, - unsigned count) +static void r300_draw_arrays_immediate(struct r300_context *r300, + unsigned mode, unsigned start, + unsigned count) { struct pipe_vertex_element* velem; struct pipe_vertex_buffer* vbuf; @@ -546,17 +545,11 @@ static void r300_emit_draw_elements(struct r300_context *r300, END_CS; } -/* This is the fast-path drawing & emission for HW TCL. */ -static void r300_draw_range_elements(struct pipe_context* pipe, - int indexBias, - unsigned minIndex, - unsigned maxIndex, - unsigned mode, - unsigned start, - unsigned count, - boolean user_buffers) +static void r300_draw_elements(struct r300_context *r300, int indexBias, + unsigned minIndex, unsigned maxIndex, + unsigned mode, unsigned start, unsigned count, + boolean user_buffers) { - struct r300_context* r300 = r300_context(pipe); struct pipe_resource *indexBuffer = r300->index_buffer.buffer; unsigned indexSize = r300->index_buffer.index_size; struct pipe_resource* orgIndexBuffer = indexBuffer; @@ -579,7 +572,7 @@ static void r300_draw_range_elements(struct pipe_context* pipe, !r300_resource(indexBuffer)->b.user_ptr) { struct pipe_transfer *transfer; - uint16_t *ptr = pipe_buffer_map(pipe, indexBuffer, + uint16_t *ptr = pipe_buffer_map(&r300->context, indexBuffer, PIPE_TRANSFER_READ | PIPE_TRANSFER_UNSYNCHRONIZED, &transfer); @@ -593,7 +586,7 @@ static void r300_draw_range_elements(struct pipe_context* pipe, r300_upload_index_buffer(r300, &indexBuffer, indexSize, &start, count, (uint8_t*)ptr); } - pipe_buffer_unmap(pipe, transfer); + pipe_buffer_unmap(&r300->context, transfer); } else { if (r300_resource(indexBuffer)->b.user_ptr) r300_upload_index_buffer(r300, &indexBuffer, indexSize, @@ -604,7 +597,8 @@ static void r300_draw_range_elements(struct pipe_context* pipe, /* 19 dwords for emit_draw_elements. Give up if the function fails. */ if (!r300_prepare_for_rendering(r300, PREP_FIRST_DRAW | PREP_VALIDATE_VBOS | PREP_EMIT_AOS | - PREP_INDEXED, indexBuffer, 19, buffer_offset, indexBias, user_buffers)) + PREP_INDEXED, indexBuffer, 19, buffer_offset, indexBias, + user_buffers)) goto done; if (alt_num_verts || count <= 65535) { @@ -640,44 +634,39 @@ done: } } -static void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, +static void r300_draw_arrays(struct r300_context *r300, unsigned mode, unsigned start, unsigned count, boolean user_buffers) { - struct r300_context* r300 = r300_context(pipe); boolean alt_num_verts = r300->screen->caps.is_r500 && count > 65536 && r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0); unsigned short_count; - if (immd_is_good_idea(r300, count)) { - r300_emit_draw_arrays_immediate(r300, mode, start, count); - } else { - /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ - if (!r300_prepare_for_rendering(r300, - PREP_FIRST_DRAW | PREP_VALIDATE_VBOS | PREP_EMIT_AOS, - NULL, 9, start, 0, user_buffers)) - return; + /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ + if (!r300_prepare_for_rendering(r300, + PREP_FIRST_DRAW | PREP_VALIDATE_VBOS | PREP_EMIT_AOS, + NULL, 9, start, 0, user_buffers)) + return; - if (alt_num_verts || count <= 65535) { - r300_emit_draw_arrays(r300, mode, count); - } else { - do { - short_count = MIN2(count, 65535); - r300_emit_draw_arrays(r300, mode, short_count); + if (alt_num_verts || count <= 65535) { + r300_emit_draw_arrays(r300, mode, count); + } else { + do { + short_count = MIN2(count, 65535); + r300_emit_draw_arrays(r300, mode, short_count); - start += short_count; - count -= short_count; + start += short_count; + count -= short_count; - /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ - if (count) { - if (!r300_prepare_for_rendering(r300, - PREP_VALIDATE_VBOS | PREP_EMIT_AOS, NULL, 9, - start, 0, user_buffers)) - return; - } - } while (count); - } + /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ + if (count) { + if (!r300_prepare_for_rendering(r300, + PREP_VALIDATE_VBOS | PREP_EMIT_AOS, NULL, 9, + start, 0, user_buffers)) + return; + } + } while (count); } } @@ -688,18 +677,17 @@ static void r300_draw_vbo(struct pipe_context* pipe, unsigned count = info->count; boolean buffers_updated, uploader_flushed; boolean indexed = info->indexed && r300->index_buffer.buffer; + unsigned start_indexed = info->start + r300->index_buffer.offset; + int max_index = MIN2(r300->vbuf_mgr->max_index, info->max_index); - if (r300->skip_rendering) { - return; - } - - if (!u_trim_pipe_prim(info->mode, &count)) { + if (r300->skip_rendering || + !u_trim_pipe_prim(info->mode, &count)) { return; } + /* Start the vbuf manager and update buffers if needed. */ u_vbuf_mgr_draw_begin(r300->vbuf_mgr, info, &buffers_updated, &uploader_flushed); - if (buffers_updated) { r300->vertex_arrays_dirty = TRUE; @@ -711,34 +699,20 @@ static void r300_draw_vbo(struct pipe_context* pipe, r300->upload_vb_validated = FALSE; } - if (indexed) { - /* Compute the start for draw_elements, taking the offset into account. */ - unsigned start_indexed = - info->start + - (r300->index_buffer.offset / r300->index_buffer.index_size); - int max_index = MIN2(r300->vbuf_mgr->max_index, info->max_index); - - assert(r300->index_buffer.offset % r300->index_buffer.index_size == 0); - - /* Index buffer range checking. */ - if ((start_indexed + count) * r300->index_buffer.index_size > - r300->index_buffer.buffer->width0) { - fprintf(stderr, "r300: Invalid index buffer range. Skipping rendering.\n"); - return; - } - - if (max_index >= (1 << 24) - 1) { - fprintf(stderr, "r300: Invalid max_index: %i. Skipping rendering...\n", max_index); - return; - } + /* Draw. */ + r300_update_derived_state(r300); - r300_update_derived_state(r300); - r300_draw_range_elements(pipe, info->index_bias, info->min_index, - max_index, info->mode, start_indexed, count, - buffers_updated); + if (indexed) { + r300_draw_elements(r300, info->index_bias, info->min_index, + max_index, info->mode, start_indexed, count, + buffers_updated); } else { - r300_update_derived_state(r300); - r300_draw_arrays(pipe, info->mode, info->start, count, buffers_updated); + if (immd_is_good_idea(r300, count)) { + r300_draw_arrays_immediate(r300, info->mode, info->start, count); + } else { + r300_draw_arrays(r300, info->mode, info->start, count, + buffers_updated); + } } u_vbuf_mgr_draw_end(r300->vbuf_mgr); -- cgit v1.2.3