diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_render.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_render.c | 202 |
1 files changed, 172 insertions, 30 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index c2b13235a16..09355569fb8 100644 --- a/src/gallium/drivers/r300/r300_render.c +++ b/src/gallium/drivers/r300/r300_render.c @@ -162,10 +162,15 @@ static boolean immd_is_good_idea(struct r300_context *r300, return TRUE; } -static void r300_emit_draw_arrays_immediate(struct r300_context *r300, - unsigned mode, - unsigned start, - unsigned count) +/***************************************************************************** + * The emission of draw packets for r500. Older GPUs may use these functions * + * after resolving fallback issues (e.g. stencil ref two-sided). * + ****************************************************************************/ + +void r500_emit_draw_arrays_immediate(struct r300_context *r300, + unsigned mode, + unsigned start, + unsigned count) { struct pipe_vertex_element* velem; struct pipe_vertex_buffer* vbuf; @@ -252,9 +257,9 @@ static void r300_emit_draw_arrays_immediate(struct r300_context *r300, } } -static void r300_emit_draw_arrays(struct r300_context *r300, - unsigned mode, - unsigned count) +void r500_emit_draw_arrays(struct r300_context *r300, + unsigned mode, + unsigned count) { #if defined(ENABLE_ALT_NUM_VERTS) boolean alt_num_verts = count > 65535; @@ -282,14 +287,14 @@ static void r300_emit_draw_arrays(struct r300_context *r300, END_CS; } -static void r300_emit_draw_elements(struct r300_context *r300, - struct pipe_buffer* indexBuffer, - unsigned indexSize, - unsigned minIndex, - unsigned maxIndex, - unsigned mode, - unsigned start, - unsigned count) +void r500_emit_draw_elements(struct r300_context *r300, + struct pipe_buffer* indexBuffer, + unsigned indexSize, + unsigned minIndex, + unsigned maxIndex, + unsigned mode, + unsigned start, + unsigned count) { uint32_t count_dwords; uint32_t offset_dwords = indexSize * start / sizeof(uint32_t); @@ -347,6 +352,104 @@ static void r300_emit_draw_elements(struct r300_context *r300, END_CS; } +/***************************************************************************** + * The emission of draw packets for r300 which take care of the two-sided * + * stencil ref fallback and call r500's functions. * + ****************************************************************************/ + +/* Set drawing for front faces. */ +static void r300_begin_stencil_ref_fallback(struct r300_context *r300) +{ + struct r300_rs_state *rs = (struct r300_rs_state*)r300->rs_state.state; + CS_LOCALS(r300); + + BEGIN_CS(2); + OUT_CS_REG(R300_SU_CULL_MODE, rs->cull_mode | R300_CULL_BACK); + END_CS; +} + +/* Set drawing for back faces. */ +static void r300_switch_stencil_ref_side(struct r300_context *r300) +{ + struct r300_rs_state *rs = (struct r300_rs_state*)r300->rs_state.state; + struct r300_dsa_state *dsa = (struct r300_dsa_state*)r300->dsa_state.state; + CS_LOCALS(r300); + + BEGIN_CS(4); + OUT_CS_REG(R300_SU_CULL_MODE, rs->cull_mode | R300_CULL_FRONT); + OUT_CS_REG(R300_ZB_STENCILREFMASK, + dsa->stencil_ref_bf | r300->stencil_ref.ref_value[1]); + END_CS; +} + +/* Restore the original state. */ +static void r300_end_stencil_ref_fallback(struct r300_context *r300) +{ + struct r300_rs_state *rs = (struct r300_rs_state*)r300->rs_state.state; + struct r300_dsa_state *dsa = (struct r300_dsa_state*)r300->dsa_state.state; + CS_LOCALS(r300); + + BEGIN_CS(4); + OUT_CS_REG(R300_SU_CULL_MODE, rs->cull_mode); + OUT_CS_REG(R300_ZB_STENCILREFMASK, + dsa->stencil_ref_mask | r300->stencil_ref.ref_value[0]); + END_CS; +} + +void r300_emit_draw_arrays_immediate(struct r300_context *r300, + unsigned mode, + unsigned start, + unsigned count) +{ + if (!r300->stencil_ref_bf_fallback) { + r500_emit_draw_arrays_immediate(r300, mode, start, count); + } else { + r300_begin_stencil_ref_fallback(r300); + r500_emit_draw_arrays_immediate(r300, mode, start, count); + r300_switch_stencil_ref_side(r300); + r500_emit_draw_arrays_immediate(r300, mode, start, count); + r300_end_stencil_ref_fallback(r300); + } +} + +void r300_emit_draw_arrays(struct r300_context *r300, + unsigned mode, + unsigned count) +{ + if (!r300->stencil_ref_bf_fallback) { + r500_emit_draw_arrays(r300, mode, count); + } else { + r300_begin_stencil_ref_fallback(r300); + r500_emit_draw_arrays(r300, mode, count); + r300_switch_stencil_ref_side(r300); + r500_emit_draw_arrays(r300, mode, count); + r300_end_stencil_ref_fallback(r300); + } +} + +void r300_emit_draw_elements(struct r300_context *r300, + struct pipe_buffer* indexBuffer, + unsigned indexSize, + unsigned minIndex, + unsigned maxIndex, + unsigned mode, + unsigned start, + unsigned count) +{ + if (!r300->stencil_ref_bf_fallback) { + r500_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, + maxIndex, mode, start, count); + } else { + r300_begin_stencil_ref_fallback(r300); + r500_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, + maxIndex, mode, start, count); + r300_switch_stencil_ref_side(r300); + r500_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, + maxIndex, mode, start, count); + r300_end_stencil_ref_fallback(r300); + } +} + static void r300_shorten_ubyte_elts(struct r300_context* r300, struct pipe_buffer** elts, unsigned start, @@ -457,13 +560,13 @@ void r300_draw_range_elements(struct pipe_context* pipe, u_upload_flush(r300->upload_vb); u_upload_flush(r300->upload_ib); if (alt_num_verts || count <= 65535) { - r300_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, - maxIndex, mode, start, count); + 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); + r300->emit_draw_elements(r300, indexBuffer, indexSize, minIndex, + maxIndex, mode, start, short_count); start += short_count; count -= short_count; @@ -518,7 +621,7 @@ void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, r300_update_derived_state(r300); if (immd_is_good_idea(r300, count)) { - r300_emit_draw_arrays_immediate(r300, mode, start, count); + r300->emit_draw_arrays_immediate(r300, mode, start, count); } else { /* Make sure there are at least 128 spare dwords in the command buffer. * (most of it being consumed by emit_aos) */ @@ -528,12 +631,12 @@ void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, if (alt_num_verts || count <= 65535) { r300_emit_aos(r300, start); - r300_emit_draw_arrays(r300, mode, count); + 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); + r300->emit_draw_arrays(r300, mode, short_count); start += short_count; count -= short_count; @@ -746,9 +849,9 @@ static boolean r300_render_set_primitive(struct vbuf_render* render, return TRUE; } -static void r300_render_draw_arrays(struct vbuf_render* render, - unsigned start, - unsigned count) +static void r500_render_draw_arrays(struct vbuf_render* render, + unsigned start, + unsigned count) { struct r300_render* r300render = r300_render(render); struct r300_context* r300 = r300render->r300; @@ -768,9 +871,9 @@ static void r300_render_draw_arrays(struct vbuf_render* render, END_CS; } -static void r300_render_draw(struct vbuf_render* render, - const ushort* indices, - uint count) +static void r500_render_draw(struct vbuf_render* render, + const ushort* indices, + uint count) { struct r300_render* r300render = r300_render(render); struct r300_context* r300 = r300render->r300; @@ -796,6 +899,40 @@ static void r300_render_draw(struct vbuf_render* render, END_CS; } +static void r300_render_draw_arrays(struct vbuf_render* render, + unsigned start, + unsigned count) +{ + struct r300_context* r300 = r300_render(render)->r300; + + if (!r300->stencil_ref_bf_fallback) { + r500_render_draw_arrays(render, start, count); + } else { + r300_begin_stencil_ref_fallback(r300); + r500_render_draw_arrays(render, start, count); + r300_switch_stencil_ref_side(r300); + r500_render_draw_arrays(render, start, count); + r300_end_stencil_ref_fallback(r300); + } +} + +static void r300_render_draw(struct vbuf_render* render, + const ushort* indices, + uint count) +{ + struct r300_context* r300 = r300_render(render)->r300; + + if (!r300->stencil_ref_bf_fallback) { + r500_render_draw(render, indices, count); + } else { + r300_begin_stencil_ref_fallback(r300); + r500_render_draw(render, indices, count); + r300_switch_stencil_ref_side(r300); + r500_render_draw(render, indices, count); + r300_end_stencil_ref_fallback(r300); + } +} + static void r300_render_destroy(struct vbuf_render* render) { FREE(render); @@ -816,8 +953,13 @@ static struct vbuf_render* r300_render_create(struct r300_context* r300) r300render->base.map_vertices = r300_render_map_vertices; r300render->base.unmap_vertices = r300_render_unmap_vertices; r300render->base.set_primitive = r300_render_set_primitive; - r300render->base.draw = r300_render_draw; - r300render->base.draw_arrays = r300_render_draw_arrays; + if (r300->screen->caps.is_r500) { + r300render->base.draw = r500_render_draw; + r300render->base.draw_arrays = r500_render_draw_arrays; + } else { + r300render->base.draw = r300_render_draw; + r300render->base.draw_arrays = r300_render_draw_arrays; + } r300render->base.release_vertices = r300_render_release_vertices; r300render->base.destroy = r300_render_destroy; |