static const struct vertex_info*
r300_render_get_vertex_info(struct vbuf_render* render)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
return &r300->vertex_info;
}
static void r300_render_set_primitive(struct vbuf_render* render,
unsigned prim)
{
struct r300_render* r300render = r300_render(render);
r300render->prim = prim;
r300render->hwprim = r300_translate_primitive(prim);
}
static void* r300_render_map_vertices(struct vbuf_render* render)
{
struct r300_render* r300render = r300_render(render);
struct pipe_screen* screen = r300render->r300->context.screen;
r300render->vbo_ptr = pipe_buffer_map(screen, r300render->vbo,
PIPE_BUFFER_USAGE_CPU_WRITE);
return (r300render->vbo_ptr + r300render->vbo_offset);
}
static const struct vertex_info*
r300_render_get_vertex_info(struct vbuf_render* render)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
r300_update_derived_state(r300);
return &r300->vertex_info->vinfo;
}
static void* r300_render_map_vertices(struct vbuf_render* render)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
DBG(r300, DBG_DRAW, "r300: render_map_vertices\n");
assert(r300render->vbo_ptr);
return r300render->vbo_ptr + r300->draw_vbo_offset;
}
static boolean r300_render_set_primitive(struct vbuf_render* render,
unsigned prim)
{
struct r300_render* r300render = r300_render(render);
r300render->prim = prim;
r300render->hwprim = r300_translate_primitive(prim);
return TRUE;
}
static void r300_render_release_vertices(struct vbuf_render* render)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
DBG(r300, DBG_DRAW, "r300: render_release_vertices\n");
r300->draw_vbo_offset += r300render->vbo_max_used;
r300render->vbo_max_used = 0;
}
static void r300_render_draw_arrays(struct vbuf_render* render,
unsigned start,
unsigned count)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
uint8_t* ptr;
unsigned i;
unsigned dwords = 6;
CS_LOCALS(r300);
(void) i; (void) ptr;
DBG(r300, DBG_DRAW, "r300: render_draw_arrays (count: %d)\n", count);
if (r300->draw_first_emitted) {
if (!r300_prepare_for_rendering(r300,
PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL,
NULL, 6, 0, 0))
return;
} else {
if (!r300_emit_states(r300,
PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL,
NULL, 0, 0))
return;
}
/* Uncomment to dump all VBOs rendered through this interface.
* Slow and noisy!
ptr = pipe_buffer_map(&r300render->r300->context,
r300render->vbo, PIPE_TRANSFER_READ,
&r300render->vbo_transfer);
for (i = 0; i < count; i++) {
printf("r300: Vertex %d\n", i);
draw_dump_emitted_vertex(&r300->vertex_info, ptr);
ptr += r300->vertex_info.size * 4;
printf("\n");
}
pipe_buffer_unmap(&r300render->r300->context, r300render->vbo,
r300render->vbo_transfer);
*/
BEGIN_CS(dwords);
OUT_CS_REG(R300_GA_COLOR_CONTROL,
r300_provoking_vertex_fixes(r300, r300render->prim));
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
r300render->hwprim);
END_CS;
r300->draw_first_emitted = TRUE;
}
static void r300_render_unmap_vertices(struct vbuf_render* render,
ushort min,
ushort max)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
DBG(r300, DBG_DRAW, "r300: render_unmap_vertices\n");
r300render->vbo_max_used = MAX2(r300render->vbo_max_used,
r300render->vertex_size * (max + 1));
}
static void r300_render_unmap_vertices(struct vbuf_render* render,
ushort min,
ushort max)
{
struct r300_render* r300render = r300_render(render);
struct pipe_screen* screen = r300render->r300->context.screen;
CS_LOCALS(r300render->r300);
BEGIN_CS(2);
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max);
END_CS;
r300render->vbo_max_used = MAX2(r300render->vbo_max_used,
r300render->vertex_size * (max + 1));
pipe_buffer_unmap(screen, r300render->vbo);
}
static void r300_render_draw_elements(struct vbuf_render* render,
const ushort* indices,
uint count)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
unsigned max_index = (r300->vbo->size - r300->draw_vbo_offset) /
(r300render->r300->vertex_info.size * 4) - 1;
struct pipe_resource *index_buffer = NULL;
unsigned index_buffer_offset;
CS_LOCALS(r300);
DBG(r300, DBG_DRAW, "r300: render_draw_elements (count: %d)\n", count);
u_upload_data(r300->uploader, 0, count * 2, indices,
&index_buffer_offset, &index_buffer);
if (!index_buffer) {
return;
}
if (!r300_prepare_for_rendering(r300,
PREP_EMIT_STATES |
PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED,
index_buffer, 12, 0, 0, -1)) {
pipe_resource_reference(&index_buffer, NULL);
return;
}
BEGIN_CS(12);
OUT_CS_REG(R300_GA_COLOR_CONTROL,
r300_provoking_vertex_fixes(r300, r300render->prim));
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max_index);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
r300render->hwprim);
OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2);
OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2));
OUT_CS(index_buffer_offset);
OUT_CS((count + 1) / 2);
OUT_CS_RELOC(r300_resource(index_buffer));
END_CS;
pipe_resource_reference(&index_buffer, NULL);
}
static void* r300_render_map_vertices(struct vbuf_render* render)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
assert(!r300render->vbo_transfer);
DBG(r300, DBG_DRAW, "r300: render_map_vertices\n");
r300render->vbo_ptr = pipe_buffer_map(&r300render->r300->context,
r300->vbo,
PIPE_TRANSFER_WRITE,
&r300render->vbo_transfer);
assert(r300render->vbo_ptr);
return ((uint8_t*)r300render->vbo_ptr + r300->draw_vbo_offset);
}
static void r300_render_unmap_vertices(struct vbuf_render* render,
ushort min,
ushort max)
{
struct r300_render* r300render = r300_render(render);
struct pipe_context* context = &r300render->r300->context;
struct r300_context* r300 = r300render->r300;
assert(r300render->vbo_transfer);
DBG(r300, DBG_DRAW, "r300: render_unmap_vertices\n");
r300render->vbo_max_used = MAX2(r300render->vbo_max_used,
r300render->vertex_size * (max + 1));
pipe_buffer_unmap(context, r300render->vbo_transfer);
r300render->vbo_transfer = NULL;
}
static void r300_render_draw_arrays(struct vbuf_render* render,
unsigned start,
unsigned count)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
CS_LOCALS(r300);
r300_emit_dirty_state(r300);
DBG(r300, DBG_DRAW, "r300: Doing vbuf render, count %d\n", count);
BEGIN_CS(2);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
r300render->hwprim);
END_CS;
}
static void r300_render_draw_arrays(struct vbuf_render* render,
unsigned start,
unsigned count)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
uint8_t* ptr;
unsigned i;
unsigned dwords = 6;
CS_LOCALS(r300);
(void) i; (void) ptr;
DBG(r300, DBG_DRAW, "r300: render_draw_arrays (count: %d)\n", count);
if (r300->draw_first_emitted) {
if (!r300_prepare_for_rendering(r300,
PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL,
NULL, dwords, 0, 0, -1))
return;
} else {
if (!r300_emit_states(r300,
PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL,
NULL, 0, 0, -1))
return;
}
BEGIN_CS(dwords);
OUT_CS_REG(R300_GA_COLOR_CONTROL,
r300_provoking_vertex_fixes(r300, r300render->prim));
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
r300render->hwprim);
END_CS;
r300->draw_first_emitted = TRUE;
}
static void r300_render_draw(struct vbuf_render* render,
const ushort* indices,
uint count)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
int i;
CS_LOCALS(r300);
r300_emit_dirty_state(r300);
BEGIN_CS(2 + (count+1)/2);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (count+1)/2);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
r300render->hwprim);
for (i = 0; i < count-1; i += 2) {
OUT_CS(indices[i+1] << 16 | indices[i]);
}
if (count % 2) {
OUT_CS(indices[count-1]);
}
END_CS;
}
static void r300_render_draw_elements(struct vbuf_render* render,
const ushort* indices,
uint count)
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
int i;
unsigned end_cs_dwords;
unsigned max_index = (r300->draw_vbo_size - r300->draw_vbo_offset) /
(r300render->r300->vertex_info.size * 4) - 1;
unsigned short_count;
unsigned free_dwords;
CS_LOCALS(r300);
DBG(r300, DBG_DRAW, "r300: render_draw_elements (count: %d)\n", count);
if (r300->draw_first_emitted) {
if (!r300_prepare_for_rendering(r300,
PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED,
NULL, 256, 0, 0, -1))
return;
} else {
if (!r300_emit_states(r300,
PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED,
NULL, 0, 0, -1))
return;
}
/* Below we manage the CS space manually because there may be more
* indices than it can fit in CS. */
end_cs_dwords = r300_get_num_cs_end_dwords(r300);
while (count) {
free_dwords = RADEON_MAX_CMDBUF_DWORDS - r300->cs->cdw;
short_count = MIN2(count, (free_dwords - end_cs_dwords - 6) * 2);
BEGIN_CS(6 + (short_count+1)/2);
OUT_CS_REG(R300_GA_COLOR_CONTROL,
r300_provoking_vertex_fixes(r300, r300render->prim));
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max_index);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (short_count+1)/2);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (short_count << 16) |
r300render->hwprim);
for (i = 0; i < short_count-1; i += 2) {
OUT_CS(indices[i+1] << 16 | indices[i]);
}
if (short_count % 2) {
OUT_CS(indices[short_count-1]);
}
END_CS;
/* OK now subtract the emitted indices and see if we need to emit
* another draw packet. */
indices += short_count;
count -= short_count;
if (count) {
if (!r300_prepare_for_rendering(r300,
PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED,
NULL, 256, 0, 0, -1))
return;
end_cs_dwords = r300_get_num_cs_end_dwords(r300);
}
}
r300->draw_first_emitted = TRUE;
}
