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)
{
uint32_t count_dwords;
uint32_t offset_dwords = indexSize * start / sizeof(uint32_t);
CS_LOCALS(r300);
/* XXX most of these are stupid */
assert(indexSize == 4 || indexSize == 2);
assert((start * indexSize) % 4 == 0);
assert(offset_dwords == 0);
BEGIN_CS(10);
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, maxIndex);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
if (indexSize == 4) {
count_dwords = count + start;
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
R300_VAP_VF_CNTL__INDEX_SIZE_32bit |
r300_translate_primitive(mode));
} else {
count_dwords = (count + start + 1) / 2;
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
r300_translate_primitive(mode));
}
/* INDX_BUFFER is a truly special packet3.
* Unlike most other packet3, where the offset is after the count,
* the order is reversed, so the relocation ends up carrying the
* size of the indexbuf instead of the offset.
*
* XXX Fix offset
*/
OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2);
OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) |
(0 << R300_INDX_BUFFER_SKIP_SHIFT));
OUT_CS(offset_dwords);
OUT_CS_RELOC(indexBuffer, count_dwords,
RADEON_GEM_DOMAIN_GTT, 0, 0);
END_CS;
}
static void r300_emit_draw_arrays(struct r300_context *r300,
unsigned mode,
unsigned count)
{
boolean alt_num_verts = count > 65535;
CS_LOCALS(r300);
if (count >= (1 << 24)) {
fprintf(stderr, "r300: Got a huge number of vertices: %i, "
"refusing to render.\n", count);
return;
}
r300_emit_draw_init(r300, mode, count-1);
BEGIN_CS(2 + (alt_num_verts ? 2 : 0));
if (alt_num_verts) {
OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count);
}
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
r300_translate_primitive(mode) |
(alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0));
END_CS;
}
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 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_emit_draw_arrays(struct r300_context *r300,
unsigned mode,
unsigned count)
{
CS_LOCALS(r300);
BEGIN_CS(4);
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
r300_translate_primitive(mode));
END_CS;
}
static void r300_draw_elements_immediate(struct r300_context *r300,
const struct pipe_draw_info *info)
{
const uint8_t *ptr1;
const uint16_t *ptr2;
const uint32_t *ptr4;
unsigned index_size = r300->index_buffer.index_size;
unsigned i, count_dwords = index_size == 4 ? info->count :
(info->count + 1) / 2;
CS_LOCALS(r300);
/* 19 dwords for r300_draw_elements_immediate. Give up if the function fails. */
if (!r300_prepare_for_rendering(r300,
PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS |
PREP_INDEXED, NULL, 2+count_dwords, 0, info->index_bias, -1))
return;
r300_emit_draw_init(r300, info->mode, info->max_index);
BEGIN_CS(2 + count_dwords);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, count_dwords);
switch (index_size) {
case 1:
ptr1 = (uint8_t*)r300->index_buffer.user_buffer;
ptr1 += info->start;
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) |
r300_translate_primitive(info->mode));
if (info->index_bias && !r300->screen->caps.is_r500) {
for (i = 0; i < info->count-1; i += 2)
OUT_CS(((ptr1[i+1] + info->index_bias) << 16) |
(ptr1[i] + info->index_bias));
if (info->count & 1)
OUT_CS(ptr1[i] + info->index_bias);
} else {
for (i = 0; i < info->count-1; i += 2)
OUT_CS(((ptr1[i+1]) << 16) |
(ptr1[i] ));
if (info->count & 1)
OUT_CS(ptr1[i]);
}
break;
case 2:
ptr2 = (uint16_t*)r300->index_buffer.user_buffer;
ptr2 += info->start;
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) |
r300_translate_primitive(info->mode));
if (info->index_bias && !r300->screen->caps.is_r500) {
for (i = 0; i < info->count-1; i += 2)
OUT_CS(((ptr2[i+1] + info->index_bias) << 16) |
(ptr2[i] + info->index_bias));
if (info->count & 1)
OUT_CS(ptr2[i] + info->index_bias);
} else {
OUT_CS_TABLE(ptr2, count_dwords);
}
break;
case 4:
ptr4 = (uint32_t*)r300->index_buffer.user_buffer;
ptr4 += info->start;
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) |
R300_VAP_VF_CNTL__INDEX_SIZE_32bit |
r300_translate_primitive(info->mode));
if (info->index_bias && !r300->screen->caps.is_r500) {
for (i = 0; i < info->count; i++)
OUT_CS(ptr4[i] + info->index_bias);
} else {
OUT_CS_TABLE(ptr4, count_dwords);
}
break;
}
END_CS;
}
static void r300_emit_draw_elements(struct r300_context *r300,
struct pipe_resource* indexBuffer,
unsigned indexSize,
unsigned max_index,
unsigned mode,
unsigned start,
unsigned count,
uint16_t *imm_indices3)
{
uint32_t count_dwords, offset_dwords;
boolean alt_num_verts = count > 65535;
CS_LOCALS(r300);
if (count >= (1 << 24)) {
fprintf(stderr, "r300: Got a huge number of vertices: %i, "
"refusing to render (max_index: %i).\n", count, max_index);
return;
}
DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, max %u\n",
count, max_index);
r300_emit_draw_init(r300, mode, max_index);
/* If start is odd, render the first triangle with indices embedded
* in the command stream. This will increase start by 3 and make it
* even. We can then proceed without a fallback. */
if (indexSize == 2 && (start & 1) &&
mode == PIPE_PRIM_TRIANGLES) {
BEGIN_CS(4);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 2);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (3 << 16) |
R300_VAP_VF_CNTL__PRIM_TRIANGLES);
OUT_CS(imm_indices3[1] << 16 | imm_indices3[0]);
OUT_CS(imm_indices3[2]);
END_CS;
start += 3;
count -= 3;
if (!count)
return;
}
offset_dwords = indexSize * start / sizeof(uint32_t);
BEGIN_CS(8 + (alt_num_verts ? 2 : 0));
if (alt_num_verts) {
OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count);
}
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
if (indexSize == 4) {
count_dwords = count;
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
R300_VAP_VF_CNTL__INDEX_SIZE_32bit |
r300_translate_primitive(mode) |
(alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0));
} else {
count_dwords = (count + 1) / 2;
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
r300_translate_primitive(mode) |
(alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0));
}
OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2);
OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) |
(0 << R300_INDX_BUFFER_SKIP_SHIFT));
OUT_CS(offset_dwords << 2);
OUT_CS(count_dwords);
OUT_CS_RELOC(r300_resource(indexBuffer));
END_CS;
}
static void r300_draw_arrays_immediate(struct r300_context *r300,
const struct pipe_draw_info *info)
{
struct pipe_vertex_element* velem;
struct pipe_vertex_buffer* vbuf;
unsigned vertex_element_count = r300->velems->count;
unsigned i, v, vbi;
/* Size of the vertex, in dwords. */
unsigned vertex_size = r300->velems->vertex_size_dwords;
/* The number of dwords for this draw operation. */
unsigned dwords = 4 + info->count * vertex_size;
/* Size of the vertex element, in dwords. */
unsigned size[PIPE_MAX_ATTRIBS];
/* Stride to the same attrib in the next vertex in the vertex buffer,
* in dwords. */
unsigned stride[PIPE_MAX_ATTRIBS];
/* Mapped vertex buffers. */
uint32_t* map[PIPE_MAX_ATTRIBS] = {0};
uint32_t* mapelem[PIPE_MAX_ATTRIBS];
CS_LOCALS(r300);
if (!r300_prepare_for_rendering(r300, PREP_EMIT_STATES, NULL, dwords, 0, 0, -1))
return;
/* Calculate the vertex size, offsets, strides etc. and map the buffers. */
for (i = 0; i < vertex_element_count; i++) {
velem = &r300->velems->velem[i];
size[i] = r300->velems->format_size[i] / 4;
vbi = velem->vertex_buffer_index;
vbuf = &r300->vertex_buffer[vbi];
stride[i] = vbuf->stride / 4;
/* Map the buffer. */
if (!map[vbi]) {
map[vbi] = (uint32_t*)r300->rws->buffer_map(
r300_resource(vbuf->buffer)->cs_buf,
r300->cs, PIPE_TRANSFER_READ | PIPE_TRANSFER_UNSYNCHRONIZED);
map[vbi] += (vbuf->buffer_offset / 4) + stride[i] * info->start;
}
mapelem[i] = map[vbi] + (velem->src_offset / 4);
}
r300_emit_draw_init(r300, info->mode, info->count-1);
BEGIN_CS(dwords);
OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, info->count * vertex_size);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (info->count << 16) |
r300_translate_primitive(info->mode));
/* Emit vertices. */
for (v = 0; v < info->count; v++) {
for (i = 0; i < vertex_element_count; i++) {
OUT_CS_TABLE(&mapelem[i][stride[i] * v], size[i]);
}
}
END_CS;
}
static void r300_emit_draw_elements(struct r300_context *r300,
struct pipe_resource* 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);
boolean alt_num_verts = count > 65535;
CS_LOCALS(r300);
if (count >= (1 << 24)) {
fprintf(stderr, "r300: Got a huge number of vertices: %i, "
"refusing to render.\n", count);
return;
}
maxIndex = MIN2(maxIndex, r300->vertex_buffer_max_index);
DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, min %u max %u\n",
count, minIndex, maxIndex);
BEGIN_CS(13 + (alt_num_verts ? 2 : 0));
if (alt_num_verts) {
OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count);
}
OUT_CS_REG(R300_GA_COLOR_CONTROL,
r300_provoking_vertex_fixes(r300, mode));
OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2);
OUT_CS(maxIndex);
OUT_CS(minIndex);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
if (indexSize == 4) {
count_dwords = count;
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
R300_VAP_VF_CNTL__INDEX_SIZE_32bit |
r300_translate_primitive(mode) |
(alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0));
} else {
count_dwords = (count + 1) / 2;
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
r300_translate_primitive(mode) |
(alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0));
}
/* INDX_BUFFER is a truly special packet3.
* Unlike most other packet3, where the offset is after the count,
* the order is reversed, so the relocation ends up carrying the
* size of the indexbuf instead of the offset.
*/
OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2);
OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) |
(0 << R300_INDX_BUFFER_SKIP_SHIFT));
OUT_CS(offset_dwords << 2);
OUT_CS_BUF_RELOC(indexBuffer, count_dwords,
r300_buffer(indexBuffer)->domain, 0);
END_CS;
}
static void r300_emit_draw_arrays_immediate(struct r300_context *r300,
unsigned mode,
unsigned start,
unsigned count)
{
struct pipe_vertex_element* velem;
struct pipe_vertex_buffer* vbuf;
unsigned vertex_element_count = r300->velems->count;
unsigned i, v, vbi;
/* Size of the vertex, in dwords. */
unsigned vertex_size = r300->velems->vertex_size_dwords;
/* The number of dwords for this draw operation. */
unsigned dwords = 9 + count * vertex_size;
/* Size of the vertex element, in dwords. */
unsigned size[PIPE_MAX_ATTRIBS];
/* Stride to the same attrib in the next vertex in the vertex buffer,
* in dwords. */
unsigned stride[PIPE_MAX_ATTRIBS];
/* Mapped vertex buffers. */
uint32_t* map[PIPE_MAX_ATTRIBS];
uint32_t* mapelem[PIPE_MAX_ATTRIBS];
struct pipe_transfer* transfer[PIPE_MAX_ATTRIBS] = {0};
CS_LOCALS(r300);
if (!r300_prepare_for_rendering(r300, PREP_FIRST_DRAW, NULL, dwords, 0, 0))
return;
/* Calculate the vertex size, offsets, strides etc. and map the buffers. */
for (i = 0; i < vertex_element_count; i++) {
velem = &r300->velems->velem[i];
size[i] = r300->velems->hw_format_size[i] / 4;
vbi = velem->vertex_buffer_index;
vbuf = &r300->vertex_buffer[vbi];
stride[i] = vbuf->stride / 4;
/* Map the buffer. */
if (!transfer[vbi]) {
map[vbi] = (uint32_t*)pipe_buffer_map(&r300->context,
vbuf->buffer,
PIPE_TRANSFER_READ,
&transfer[vbi]);
map[vbi] += (vbuf->buffer_offset / 4) + stride[i] * start;
}
mapelem[i] = map[vbi] + (velem->src_offset / 4);
}
BEGIN_CS(dwords);
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_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2);
OUT_CS(count - 1);
OUT_CS(0);
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));
/* Emit vertices. */
for (v = 0; v < count; v++) {
for (i = 0; i < vertex_element_count; i++) {
OUT_CS_TABLE(&mapelem[i][stride[i] * v], size[i]);
}
}
END_CS;
/* Unmap buffers. */
for (i = 0; i < vertex_element_count; i++) {
vbi = r300->velems->velem[i].vertex_buffer_index;
if (transfer[vbi]) {
vbuf = &r300->vertex_buffer[vbi];
pipe_buffer_unmap(&r300->context, vbuf->buffer, transfer[vbi]);
transfer[vbi] = NULL;
}
}
}
