diff options
author | Corbin Simpson <MostAwesomeDude@gmail.com> | 2009-02-18 06:38:21 -0800 |
---|---|---|
committer | Corbin Simpson <MostAwesomeDude@gmail.com> | 2009-02-18 06:40:38 -0800 |
commit | 922000d38a6e90c525328b381f04fea1244f616f (patch) | |
tree | ae0d1c49ddf1a4b5a7de07129cef9ab90151c1c3 | |
parent | b6779056a108675b04ec8b57d7f84b5582f3144f (diff) |
r300-gallium: Factor out common functionality in vbuf emit.
-rw-r--r-- | src/gallium/drivers/r300/r300_swtcl_emit.c | 53 |
1 files changed, 34 insertions, 19 deletions
diff --git a/src/gallium/drivers/r300/r300_swtcl_emit.c b/src/gallium/drivers/r300/r300_swtcl_emit.c index fb009247a50..327d4ac2e10 100644 --- a/src/gallium/drivers/r300/r300_swtcl_emit.c +++ b/src/gallium/drivers/r300/r300_swtcl_emit.c @@ -174,13 +174,9 @@ static boolean r300_swtcl_render_set_primitive(struct vbuf_render* render, return true; } -static void r300_swtcl_render_draw_arrays(struct vbuf_render* render, - unsigned start, - unsigned count) +static void prepare_render(struct r300_swtcl_render* render) { - struct r300_swtcl_render* r300render = r300_swtcl_render(render); - struct r300_context* r300 = r300render->r300; - struct pipe_screen* screen = r300->context.screen; + struct r300_context* r300 = render->r300; CS_LOCALS(r300); @@ -188,7 +184,7 @@ static void r300_swtcl_render_draw_arrays(struct vbuf_render* render, r300_update_derived_state(r300); r300_emit_dirty_state(r300); - /* Take care of vertex formats and routes */ + /* Take care of vertex formats and routes. */ BEGIN_CS(3); OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2); OUT_CS(r300->vertex_info.hwfmt[0]); @@ -196,10 +192,39 @@ static void r300_swtcl_render_draw_arrays(struct vbuf_render* render, END_CS; /* Draw stuff! */ + BEGIN_CS(6); + + /* Set the pointer to our vertex buffer. The emitted values are this: + * PACKET3 [3D_LOAD_VBPNTR] + * COUNT [1] + * FORMAT [size | stride << 8] + * VBPNTR [relocated BO] + * + * And of course that extra dword is space for the relocation. */ + OUT_CS(CP_PACKET3(R300_PACKET3_3D_LOAD_VBPNTR, 3)); + OUT_CS(1); + OUT_CS(r300->vertex_info.size | (r300->vertex_info.size << 8)); + OUT_CS(0); + OUT_CS_RELOC(render->vbo, 0, RADEON_GEM_DOMAIN_GTT, 0, 0); +} + +static void r300_swtcl_render_draw_arrays(struct vbuf_render* render, + unsigned start, + unsigned count) +{ + struct r300_swtcl_render* r300render = r300_swtcl_render(render); + struct r300_context* r300 = r300render->r300; + struct pipe_screen* screen = r300->context.screen; + + CS_LOCALS(r300); + + prepare_render(r300render); + BEGIN_CS(2); OUT_CS(CP_PACKET3(R300_PACKET3_3D_DRAW_VBUF_2, 0)); OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | r300render->hwprim | R300_VAP_VF_CNTL__INDEX_SIZE_32bit); + END_CS; } static void r300_swtcl_render_draw(struct vbuf_render* render, @@ -214,9 +239,7 @@ static void r300_swtcl_render_draw(struct vbuf_render* render, CS_LOCALS(r300); - /* Make sure that all possible state is emitted. */ - r300_update_derived_state(r300); - r300_emit_dirty_state(r300); + prepare_render(r300render); /* Send our indices into an index buffer. */ index_buffer = pipe_buffer_create(screen, 64, PIPE_BUFFER_USAGE_VERTEX, @@ -230,15 +253,7 @@ static void r300_swtcl_render_draw(struct vbuf_render* render, memcpy(index_map, indices, count * 4); pipe_buffer_unmap(screen, index_buffer); - /* Take care of vertex formats and routes */ - BEGIN_CS(3); - OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2); - OUT_CS(r300->vertex_info.hwfmt[0]); - OUT_CS(r300->vertex_info.hwfmt[1]); - END_CS; - - /* Draw stuff! */ - BEGIN_CS(10); + BEGIN_CS(5); OUT_CS(CP_PACKET3(R300_PACKET3_3D_DRAW_INDX_2, 0)); OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | r300render->hwprim | R300_VAP_VF_CNTL__INDEX_SIZE_32bit); |