diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/r300/r300_render.c | 102 |
1 files changed, 45 insertions, 57 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index 2f00c878f5b..000f8a0d481 100644 --- a/src/gallium/drivers/r300/r300_render.c +++ b/src/gallium/drivers/r300/r300_render.c @@ -535,29 +535,8 @@ static void r300_draw_range_elements(struct pipe_context* pipe, r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0); unsigned short_count; int buffer_offset = 0, index_offset = 0; /* for index bias emulation */ - boolean translate = FALSE; unsigned new_offset; - if (r300->skip_rendering) { - return; - } - - if (!u_trim_pipe_prim(mode, &count)) { - return; - } - - /* Index buffer range checking. */ - if ((start + count) * indexSize > indexBuffer->width0) { - fprintf(stderr, "r300: Invalid index buffer range. Skipping rendering.\n"); - return; - } - - /* Set up fallback for incompatible vertex layout if needed. */ - if (r300->incompatible_vb_layout || r300->velems->incompatible_layout) { - r300_begin_vertex_translate(r300); - translate = TRUE; - } - if (indexBias && !r500_index_bias_supported(r300)) { r300_split_index_bias(r300, indexBias, &buffer_offset, &index_offset); } @@ -603,10 +582,6 @@ done: if (indexBuffer != orgIndexBuffer) { pipe_resource_reference( &indexBuffer, NULL ); } - - if (translate) { - r300_end_vertex_translate(r300); - } } static void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, @@ -617,21 +592,6 @@ static void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, count > 65536 && r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0); unsigned short_count; - boolean translate = FALSE; - - if (r300->skip_rendering) { - return; - } - - if (!u_trim_pipe_prim(mode, &count)) { - return; - } - - /* Set up fallback for incompatible vertex layout if needed. */ - if (r300->incompatible_vb_layout || r300->velems->incompatible_layout) { - r300_begin_vertex_translate(r300); - translate = TRUE; - } r300_update_derived_state(r300); @@ -642,7 +602,7 @@ static void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, if (!r300_prepare_for_rendering(r300, PREP_FIRST_DRAW | PREP_VALIDATE_VBOS | PREP_EMIT_AOS, NULL, 9, start, 0)) - goto done; + return; if (alt_num_verts || count <= 65535) { r300_emit_draw_arrays(r300, mode, count); @@ -659,32 +619,57 @@ static void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, if (!r300_prepare_for_rendering(r300, PREP_VALIDATE_VBOS | PREP_EMIT_AOS, NULL, 9, start, 0)) - goto done; + return; } } while (count); } } - -done: - if (translate) { - r300_end_vertex_translate(r300); - } } static void r300_draw_vbo(struct pipe_context* pipe, const struct pipe_draw_info *info) { struct r300_context* r300 = r300_context(pipe); + unsigned count = info->count; + boolean translate = FALSE; + boolean indexed = info->indexed && r300->index_buffer.buffer; + unsigned start_indexed = 0; - if (!r300->velems->count || !r300->vertex_buffer_count) - return; + if (r300->skip_rendering) { + return; + } - if (info->indexed && r300->index_buffer.buffer) { - unsigned offset; + if (!u_trim_pipe_prim(info->mode, &count)) { + return; + } + if (!r300->velems->count || !r300->vertex_buffer_count) { + return; + } + + /* Index buffer range checking. */ + if (indexed) { assert(r300->index_buffer.offset % r300->index_buffer.index_size == 0); - offset = r300->index_buffer.offset / r300->index_buffer.index_size; + /* Compute start for draw_elements, taking the offset into account. */ + start_indexed = + info->start + + (r300->index_buffer.offset / r300->index_buffer.index_size); + + 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; + } + } + + /* Set up fallback for incompatible vertex layout if needed. */ + if (r300->incompatible_vb_layout || r300->velems->incompatible_layout) { + r300_begin_vertex_translate(r300); + translate = TRUE; + } + + if (indexed) { r300_draw_range_elements(pipe, r300->index_buffer.buffer, r300->index_buffer.index_size, @@ -692,14 +677,17 @@ static void r300_draw_vbo(struct pipe_context* pipe, info->min_index, info->max_index, info->mode, - info->start + offset, - info->count); - } - else { + start_indexed, + count); + } else { r300_draw_arrays(pipe, info->mode, info->start, - info->count); + count); + } + + if (translate) { + r300_end_vertex_translate(r300); } } |