diff options
| -rw-r--r-- | src/gallium/drivers/r300/r300_render.c | 65 |
1 files changed, 58 insertions, 7 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index 8b07d31000..6645688fc5 100644 --- a/src/gallium/drivers/r300/r300_render.c +++ b/src/gallium/drivers/r300/r300_render.c @@ -26,6 +26,8 @@ #include "draw/draw_context.h" #include "draw/draw_vbuf.h" +#include "indices/u_indices.h" + #include "pipe/p_inlines.h" #include "util/u_memory.h" @@ -245,15 +247,55 @@ validate: return TRUE; } +static struct pipe_buffer* r300_translate_elts(struct r300_context* r300, + struct pipe_buffer* elts, + unsigned* size, + unsigned* mode, + unsigned* count) +{ + struct pipe_screen* screen = r300->context.screen; + struct pipe_buffer* new_elts; + void *in_map, *out_map; + unsigned out_prim, out_index_size, out_nr; + u_translate_func out_translate; + + (void)u_index_translator(~0, *mode, *size, *count, PV_LAST, PV_LAST, + &out_prim, &out_index_size, &out_nr, &out_translate); + + debug_printf("r300: old mode %d, new mode %d\n", *mode, out_prim); + debug_printf("r300: old count %d, new count %d\n", *count, out_nr); + debug_printf("r300: old size %d, new size %d\n", *size, out_index_size); + + new_elts = screen->buffer_create(screen, 32, + PIPE_BUFFER_USAGE_INDEX | + PIPE_BUFFER_USAGE_CPU_WRITE | + PIPE_BUFFER_USAGE_GPU_READ, + out_index_size * out_nr); + + in_map = pipe_buffer_map(screen, elts, PIPE_BUFFER_USAGE_CPU_READ); + out_map = pipe_buffer_map(screen, new_elts, PIPE_BUFFER_USAGE_CPU_WRITE); + + out_translate(in_map, *count, out_map); + + pipe_buffer_unmap(screen, elts); + pipe_buffer_unmap(screen, new_elts); + + *size = out_index_size; + *mode = out_prim; + *count = out_nr; + + return new_elts; +} + /* This is the fast-path drawing & emission for HW TCL. */ void r300_draw_range_elements(struct pipe_context* pipe, - struct pipe_buffer* indexBuffer, - unsigned indexSize, - unsigned minIndex, - unsigned maxIndex, - unsigned mode, - unsigned start, - unsigned count) + struct pipe_buffer* indexBuffer, + unsigned indexSize, + unsigned minIndex, + unsigned maxIndex, + unsigned mode, + unsigned start, + unsigned count) { struct r300_context* r300 = r300_context(pipe); @@ -274,6 +316,11 @@ void r300_draw_range_elements(struct pipe_context* pipe, return; } + if (indexSize == 1) { + indexBuffer = r300_translate_elts(r300, indexBuffer, + &indexSize, &mode, &count); + } + if (!r300->winsys->add_buffer(r300->winsys, indexBuffer, RADEON_GEM_DOMAIN_GTT, 0)) { return; @@ -289,6 +336,10 @@ void r300_draw_range_elements(struct pipe_context* pipe, r300_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, maxIndex, mode, start, count); + + if (indexSize == 1) { + pipe->screen->buffer_destroy(indexBuffer); + } } /* Simple helpers for context setup. Should probably be moved to util. */ |