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r300-gallium: Factor out common functionality in vbuf emit.

This commit is contained in:
Corbin Simpson 2009-02-18 06:38:21 -08:00
parent b6779056a1
commit 922000d38a
1 changed files with 38 additions and 23 deletions
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61
src/gallium/drivers/r300/r300_swtcl_emit.c
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@ -174,6 +174,40 @@ static boolean r300_swtcl_render_set_primitive(struct vbuf_render* render,
return true;
}
static void prepare_render(struct r300_swtcl_render* render)
{
struct r300_context* r300 = render->r300;
CS_LOCALS(r300);
/* Make sure that all possible state is emitted. */
r300_update_derived_state(r300);
r300_emit_dirty_state(r300);
/* 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(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)
@ -184,22 +218,13 @@ static void r300_swtcl_render_draw_arrays(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);
/* 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(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);