diff options
| -rw-r--r-- | src/gallium/drivers/r300/r300_render.c | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index ee43421cdb7..d28931f0376 100644 --- a/src/gallium/drivers/r300/r300_render.c +++ b/src/gallium/drivers/r300/r300_render.c @@ -114,6 +114,39 @@ static uint32_t r300_provoking_vertex_fixes(struct r300_context *r300, return color_control; } +static void r300_emit_draw_immediate(struct r300_context *r300, + unsigned mode, + unsigned start, + unsigned count) +{ + struct pipe_buffer* vbo = r300->vertex_buffer[0].buffer; + unsigned vertex_size = r300->vertex_buffer[0].stride / sizeof(float); + unsigned i; + uint32_t* map; + CS_LOCALS(r300); + + map = (uint32_t*)pipe_buffer_map_range(r300->context.screen, vbo, + start * vertex_size, count * vertex_size, + PIPE_BUFFER_USAGE_CPU_READ); + + BEGIN_CS(10 + count * vertex_size); + OUT_CS_REG(R300_GA_COLOR_CONTROL, + r300_provoking_vertex_fixes(r300, mode)); + OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); + 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_IMMD_2, count * vertex_size); + OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (count << 16) | + r300_translate_primitive(mode)); + for (i = 0; i < count * vertex_size; i++) { + OUT_CS(*map); + map++; + } + END_CS; + + pipe_buffer_unmap(r300->context.screen, vbo); +} + static void r300_emit_draw_arrays(struct r300_context *r300, unsigned mode, unsigned count) @@ -264,7 +297,7 @@ void r300_draw_elements(struct pipe_context* pipe, } void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, - unsigned start, unsigned count) + unsigned start, unsigned count) { struct r300_context* r300 = r300_context(pipe); @@ -287,9 +320,12 @@ void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, r300_emit_dirty_state(r300); - r300_emit_aos(r300, start); - - r300_emit_draw_arrays(r300, mode, count); + if (count < 10 && r300->vertex_buffer_count == 1) { + r300_emit_draw_immediate(r300, mode, start, count); + } else { + r300_emit_aos(r300, start); + r300_emit_draw_arrays(r300, mode, count); + } } /**************************************************************************** |