/*
* Copyright 2012 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Christian König <christian.koenig@amd.com>
*/
#include "util/u_memory.h"
#include "util/u_framebuffer.h"
#include "util/u_blitter.h"
#include "tgsi/tgsi_parse.h"
#include "radeonsi_pipe.h"
#include "radeonsi_shader.h"
#include "si_state.h"
#include "sid.h"
/*
* Shaders
*/
static void si_pipe_shader_vs(struct pipe_context *ctx, struct si_pipe_shader *shader)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct si_pm4_state *pm4;
unsigned num_sgprs, num_user_sgprs;
unsigned nparams, i, vgpr_comp_cnt;
uint64_t va;
si_pm4_delete_state(rctx, vs, shader->pm4);
pm4 = shader->pm4 = si_pm4_alloc_state(rctx);
if (pm4 == NULL)
return;
si_pm4_inval_shader_cache(pm4);
/* Certain attributes (position, psize, etc.) don't count as params.
* VS is required to export at least one param and r600_shader_from_tgsi()
* takes care of adding a dummy export.
*/
for (nparams = 0, i = 0 ; i < shader->shader.noutput; i++) {
switch (shader->shader.output[i].name) {
case TGSI_SEMANTIC_POSITION:
case TGSI_SEMANTIC_PSIZE:
break;
default:
nparams++;
}
}
if (nparams < 1)
nparams = 1;
si_pm4_set_reg(pm4, R_0286C4_SPI_VS_OUT_CONFIG,
S_0286C4_VS_EXPORT_COUNT(nparams - 1));
si_pm4_set_reg(pm4, R_02870C_SPI_SHADER_POS_FORMAT,
S_02870C_POS0_EXPORT_FORMAT(V_02870C_SPI_SHADER_4COMP) |
S_02870C_POS1_EXPORT_FORMAT(shader->shader.nr_pos_exports > 1 ?
V_02870C_SPI_SHADER_4COMP :
V_02870C_SPI_SHADER_NONE) |
S_02870C_POS2_EXPORT_FORMAT(shader->shader.nr_pos_exports > 2 ?
V_02870C_SPI_SHADER_4COMP :
V_02870C_SPI_SHADER_NONE) |
S_02870C_POS3_EXPORT_FORMAT(shader->shader.nr_pos_exports > 3 ?
V_02870C_SPI_SHADER_4COMP :
V_02870C_SPI_SHADER_NONE));
va = r600_resource_va(ctx->screen, (void *)shader->bo);
si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ);
si_pm4_set_reg(pm4, R_00B120_SPI_SHADER_PGM_LO_VS, va >> 8);
si_pm4_set_reg(pm4, R_00B124_SPI_SHADER_PGM_HI_VS, va >> 40);
num_user_sgprs = SI_VS_NUM_USER_SGPR;
num_sgprs = shader->num_sgprs;
if (num_user_sgprs > num_sgprs) {
/* Last 2 reserved SGPRs are used for VCC */
num_sgprs = num_user_sgprs + 2;
}
vgpr_comp_cnt = shader->shader.uses_instanceid ? 3 : 0;
si_pm4_set_reg(pm4, R_00B128_SPI_SHADER_PGM_RSRC1_VS,
S_00B128_VGPRS((shader->num_vgprs - 1) / 4) |
S_00B128_SGPRS((num_sgprs - 1) / 8) |
S_00B128_VGPR_COMP_CNT(vgpr_comp_cnt));
si_pm4_set_reg(pm4, R_00B12C_SPI_SHADER_PGM_RSRC2_VS,
S_00B12C_USER_SGPR(num_user_sgprs));
if (rctx->chip_class >= CIK) {
si_pm4_set_reg(pm4, R_00B118_SPI_SHADER_PGM_RSRC3_VS,
S_00B118_CU_EN(0xffff));
si_pm4_set_reg(pm4, R_00B11C_SPI_SHADER_LATE_ALLOC_VS,
S_00B11C_LIMIT(0));
}
si_pm4_bind_state(rctx, vs, shader->pm4);
}
static void si_pipe_shader_ps(struct pipe_context *ctx, struct si_pipe_shader *shader)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct si_pm4_state *pm4;
unsigned i, exports_ps, num_cout, spi_ps_in_control, db_shader_control;
unsigned num_sgprs, num_user_sgprs;
boolean have_linear = FALSE, have_centroid = FALSE, have_perspective = FALSE;
unsigned fragcoord_interp_mode = 0;
unsigned spi_baryc_cntl, spi_ps_input_ena, spi_shader_z_format;
uint64_t va;
si_pm4_delete_state(rctx, ps, shader->pm4);
pm4 = shader->pm4 = si_pm4_alloc_state(rctx);
if (pm4 == NULL)
return;
si_pm4_inval_shader_cache(pm4);
db_shader_control = S_02880C_Z_ORDER(V_02880C_EARLY_Z_THEN_LATE_Z);
for (i = 0; i < shader->shader.ninput; i++) {
switch (shader->shader.input[i].name) {
case TGSI_SEMANTIC_POSITION:
if (shader->shader.input[i].centroid) {
/* fragcoord_interp_mode will be written to
* SPI_BARYC_CNTL.POS_FLOAT_LOCATION
* Possible vaules:
* 0 -> Position = pixel center (default)
* 1 -> Position = pixel centroid
* 2 -> Position = iterated sample number XXX:
* What does this mean?
*/
fragcoord_interp_mode = 1;
}
/* Fall through */
case TGSI_SEMANTIC_FACE:
continue;
}
if (shader->shader.input[i].interpolate == TGSI_INTERPOLATE_LINEAR)
have_linear = TRUE;
if (shader->shader.input[i].interpolate == TGSI_INTERPOLATE_PERSPECTIVE)
have_perspective = TRUE;
if (shader->shader.input[i].centroid)
have_centroid = TRUE;
}
for (i = 0; i < shader->shader.noutput; i++) {
if (shader->shader.output[i].name == TGSI_SEMANTIC_POSITION)
db_shader_control |= S_02880C_Z_EXPORT_ENABLE(1);
if (shader->shader.output[i].name == TGSI_SEMANTIC_STENCIL)
db_shader_control |= S_02880C_STENCIL_TEST_VAL_EXPORT_ENABLE(1);
}
if (shader->shader.uses_kill || shader->key.ps.alpha_func != PIPE_FUNC_ALWAYS)
db_shader_control |= S_02880C_KILL_ENABLE(1);
exports_ps = 0;
num_cout = 0;
for (i = 0; i < shader->shader.noutput; i++) {
if (shader->shader.output[i].name == TGSI_SEMANTIC_POSITION ||
shader->shader.output[i].name == TGSI_SEMANTIC_STENCIL)
exports_ps |= 1;
else if (shader->shader.output[i].name == TGSI_SEMANTIC_COLOR) {
if (shader->shader.fs_write_all)
num_cout = shader->shader.nr_cbufs;
else
num_cout++;
}
}
if (!exports_ps) {
/* always at least export 1 component per pixel */
exports_ps = 2;
}
spi_ps_in_control = S_0286D8_NUM_INTERP(shader->shader.ninterp) |
S_0286D8_BC_OPTIMIZE_DISABLE(1);
spi_baryc_cntl = 0;
if (have_perspective)
spi_baryc_cntl |= have_centroid ?
S_0286E0_PERSP_CENTROID_CNTL(1) : S_0286E0_PERSP_CENTER_CNTL(1);
if (have_linear)
spi_baryc_cntl |= have_centroid ?
S_0286E0_LINEAR_CENTROID_CNTL(1) : S_0286E0_LINEAR_CENTER_CNTL(1);
spi_baryc_cntl |= S_0286E0_POS_FLOAT_LOCATION(fragcoord_interp_mode);
si_pm4_set_reg(pm4, R_0286E0_SPI_BARYC_CNTL, spi_baryc_cntl);
spi_ps_input_ena = shader->spi_ps_input_ena;
/* we need to enable at least one of them, otherwise we hang the GPU */
assert(G_0286CC_PERSP_SAMPLE_ENA
(spi_ps_input_ena
) ||
G_0286CC_PERSP_CENTER_ENA(spi_ps_input_ena) ||
G_0286CC_PERSP_CENTROID_ENA(spi_ps_input_ena) ||
G_0286CC_PERSP_PULL_MODEL_ENA(spi_ps_input_ena) ||
G_0286CC_LINEAR_SAMPLE_ENA(spi_ps_input_ena) ||
G_0286CC_LINEAR_CENTER_ENA(spi_ps_input_ena) ||
G_0286CC_LINEAR_CENTROID_ENA(spi_ps_input_ena) ||
G_0286CC_LINE_STIPPLE_TEX_ENA(spi_ps_input_ena));
si_pm4_set_reg(pm4, R_0286CC_SPI_PS_INPUT_ENA, spi_ps_input_ena);
si_pm4_set_reg(pm4, R_0286D0_SPI_PS_INPUT_ADDR, spi_ps_input_ena);
si_pm4_set_reg(pm4, R_0286D8_SPI_PS_IN_CONTROL, spi_ps_in_control);
if (G_02880C_STENCIL_TEST_VAL_EXPORT_ENABLE(db_shader_control))
spi_shader_z_format = V_028710_SPI_SHADER_32_GR;
else if (G_02880C_Z_EXPORT_ENABLE(db_shader_control))
spi_shader_z_format = V_028710_SPI_SHADER_32_R;
else
spi_shader_z_format = 0;
si_pm4_set_reg(pm4, R_028710_SPI_SHADER_Z_FORMAT, spi_shader_z_format);
si_pm4_set_reg(pm4, R_028714_SPI_SHADER_COL_FORMAT,
shader->spi_shader_col_format);
si_pm4_set_reg(pm4, R_02823C_CB_SHADER_MASK, shader->cb_shader_mask);
va = r600_resource_va(ctx->screen, (void *)shader->bo);
si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ);
si_pm4_set_reg(pm4, R_00B020_SPI_SHADER_PGM_LO_PS, va >> 8);
si_pm4_set_reg(pm4, R_00B024_SPI_SHADER_PGM_HI_PS, va >> 40);
num_user_sgprs = SI_PS_NUM_USER_SGPR;
num_sgprs = shader->num_sgprs;
if (num_user_sgprs > num_sgprs) {
/* Last 2 reserved SGPRs are used for VCC */
num_sgprs = num_user_sgprs + 2;
}
si_pm4_set_reg(pm4, R_00B028_SPI_SHADER_PGM_RSRC1_PS,
S_00B028_VGPRS((shader->num_vgprs - 1) / 4) |
S_00B028_SGPRS((num_sgprs - 1) / 8));
si_pm4_set_reg(pm4, R_00B02C_SPI_SHADER_PGM_RSRC2_PS,
S_00B02C_EXTRA_LDS_SIZE(shader->lds_size) |
S_00B02C_USER_SGPR(num_user_sgprs));
if (rctx->chip_class >= CIK) {
si_pm4_set_reg(pm4, R_00B01C_SPI_SHADER_PGM_RSRC3_PS,
S_00B01C_CU_EN(0xffff));
}
si_pm4_set_reg(pm4, R_02880C_DB_SHADER_CONTROL, db_shader_control);
shader->sprite_coord_enable = rctx->sprite_coord_enable;
si_pm4_bind_state(rctx, ps, shader->pm4);
}
/*
* Drawing
*/
static unsigned si_conv_pipe_prim(unsigned pprim)
{
static const unsigned prim_conv[] = {
[PIPE_PRIM_POINTS] = V_008958_DI_PT_POINTLIST,
[PIPE_PRIM_LINES] = V_008958_DI_PT_LINELIST,
[PIPE_PRIM_LINE_LOOP] = V_008958_DI_PT_LINELOOP,
[PIPE_PRIM_LINE_STRIP] = V_008958_DI_PT_LINESTRIP,
[PIPE_PRIM_TRIANGLES] = V_008958_DI_PT_TRILIST,
[PIPE_PRIM_TRIANGLE_STRIP] = V_008958_DI_PT_TRISTRIP,
[PIPE_PRIM_TRIANGLE_FAN] = V_008958_DI_PT_TRIFAN,
[PIPE_PRIM_QUADS] = V_008958_DI_PT_QUADLIST,
[PIPE_PRIM_QUAD_STRIP] = V_008958_DI_PT_QUADSTRIP,
[PIPE_PRIM_POLYGON] = V_008958_DI_PT_POLYGON,
[PIPE_PRIM_LINES_ADJACENCY] = ~0,
[PIPE_PRIM_LINE_STRIP_ADJACENCY] = ~0,
[PIPE_PRIM_TRIANGLES_ADJACENCY] = ~0,
[PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY] = ~0
};
unsigned result = prim_conv[pprim];
if (result == ~0) {
R600_ERR("unsupported primitive type %d\n", pprim);
}
return result;
}
static bool si_update_draw_info_state(struct r600_context *rctx,
const struct pipe_draw_info *info)
{
struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
struct si_shader *vs = &rctx->vs_shader->current->shader;
unsigned prim = si_conv_pipe_prim(info->mode);
unsigned ls_mask = 0;
if (pm4 == NULL)
return false;
if (prim == ~0) {
FREE(pm4);
return false;
}
if (rctx->chip_class >= CIK)
si_pm4_set_reg(pm4, R_030908_VGT_PRIMITIVE_TYPE, prim);
else
si_pm4_set_reg(pm4, R_008958_VGT_PRIMITIVE_TYPE, prim);
si_pm4_set_reg(pm4, R_028400_VGT_MAX_VTX_INDX, ~0);
si_pm4_set_reg(pm4, R_028404_VGT_MIN_VTX_INDX, 0);
si_pm4_set_reg(pm4, R_028408_VGT_INDX_OFFSET,
info->indexed ? info->index_bias : info->start);
si_pm4_set_reg(pm4, R_02840C_VGT_MULTI_PRIM_IB_RESET_INDX, info->restart_index);
si_pm4_set_reg(pm4, R_028A94_VGT_MULTI_PRIM_IB_RESET_EN, info->primitive_restart);
si_pm4_set_reg(pm4, R_00B130_SPI_SHADER_USER_DATA_VS_0 + SI_SGPR_START_INSTANCE * 4,
info->start_instance);
if (prim == V_008958_DI_PT_LINELIST)
ls_mask = 1;
else if (prim == V_008958_DI_PT_LINESTRIP)
ls_mask = 2;
si_pm4_set_reg(pm4, R_028A0C_PA_SC_LINE_STIPPLE,
S_028A0C_AUTO_RESET_CNTL(ls_mask) |
rctx->pa_sc_line_stipple);
if (info->mode == PIPE_PRIM_QUADS || info->mode == PIPE_PRIM_QUAD_STRIP || info->mode == PIPE_PRIM_POLYGON) {
si_pm4_set_reg(pm4, R_028814_PA_SU_SC_MODE_CNTL,
S_028814_PROVOKING_VTX_LAST(1) | rctx->pa_su_sc_mode_cntl);
} else {
si_pm4_set_reg(pm4, R_028814_PA_SU_SC_MODE_CNTL, rctx->pa_su_sc_mode_cntl);
}
si_pm4_set_reg(pm4, R_02881C_PA_CL_VS_OUT_CNTL,
S_02881C_USE_VTX_POINT_SIZE(vs->vs_out_point_size) |
S_02881C_VS_OUT_CCDIST0_VEC_ENA((vs->clip_dist_write & 0x0F) != 0) |
S_02881C_VS_OUT_CCDIST1_VEC_ENA((vs->clip_dist_write & 0xF0) != 0) |
S_02881C_VS_OUT_MISC_VEC_ENA(vs->vs_out_misc_write) |
(rctx->queued.named.rasterizer->clip_plane_enable &
vs->clip_dist_write));
si_pm4_set_reg(pm4, R_028810_PA_CL_CLIP_CNTL,
rctx->queued.named.rasterizer->pa_cl_clip_cntl |
(vs->clip_dist_write ? 0 :
rctx->queued.named.rasterizer->clip_plane_enable & 0x3F));
si_pm4_set_state(rctx, draw_info, pm4);
return true;
}
static void si_update_spi_map(struct r600_context *rctx)
{
struct si_shader *ps = &rctx->ps_shader->current->shader;
struct si_shader *vs = &rctx->vs_shader->current->shader;
struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
unsigned i, j, tmp;
for (i = 0; i < ps->ninput; i++) {
unsigned name = ps->input[i].name;
unsigned param_offset = ps->input[i].param_offset;
if (name == TGSI_SEMANTIC_POSITION)
/* Read from preloaded VGPRs, not parameters */
continue;
bcolor:
tmp = 0;
if (ps->input[i].interpolate == TGSI_INTERPOLATE_CONSTANT ||
(ps->input[i].interpolate == TGSI_INTERPOLATE_COLOR &&
rctx->ps_shader->current->key.ps.flatshade)) {
tmp |= S_028644_FLAT_SHADE(1);
}
if (name == TGSI_SEMANTIC_GENERIC &&
rctx->sprite_coord_enable & (1 << ps->input[i].sid)) {
tmp |= S_028644_PT_SPRITE_TEX(1);
}
for (j = 0; j < vs->noutput; j++) {
if (name == vs->output[j].name &&
ps->input[i].sid == vs->output[j].sid) {
tmp |= S_028644_OFFSET(vs->output[j].param_offset);
break;
}
}
if (j == vs->noutput) {
/* No corresponding output found, load defaults into input */
tmp |= S_028644_OFFSET(0x20);
}
si_pm4_set_reg(pm4,
R_028644_SPI_PS_INPUT_CNTL_0 + param_offset * 4,
tmp);
if (name == TGSI_SEMANTIC_COLOR &&
rctx->ps_shader->current->key.ps.color_two_side) {
name = TGSI_SEMANTIC_BCOLOR;
param_offset++;
goto bcolor;
}
}
si_pm4_set_state(rctx, spi, pm4);
}
static void si_update_derived_state(struct r600_context *rctx)
{
struct pipe_context * ctx = (struct pipe_context*)rctx;
unsigned vs_dirty = 0, ps_dirty = 0;
if (!rctx->blitter->running) {
/* Flush depth textures which need to be flushed. */
if (rctx->vs_samplers.depth_texture_mask) {
si_flush_depth_textures(rctx, &rctx->vs_samplers);
}
if (rctx->ps_samplers.depth_texture_mask) {
si_flush_depth_textures(rctx, &rctx->ps_samplers);
}
}
si_shader_select(ctx, rctx->vs_shader, &vs_dirty);
if (!rctx->vs_shader->current->pm4) {
si_pipe_shader_vs(ctx, rctx->vs_shader->current);
vs_dirty = 0;
}
if (vs_dirty) {
si_pm4_bind_state(rctx, vs, rctx->vs_shader->current->pm4);
}
si_shader_select(ctx, rctx->ps_shader, &ps_dirty);
if (!rctx->ps_shader->current->pm4) {
si_pipe_shader_ps(ctx, rctx->ps_shader->current);
ps_dirty = 0;
}
if (!rctx->ps_shader->current->bo) {
if (!rctx->dummy_pixel_shader->pm4)
si_pipe_shader_ps(ctx, rctx->dummy_pixel_shader);
else
si_pm4_bind_state(rctx, vs, rctx->dummy_pixel_shader->pm4);
ps_dirty = 0;
}
if (ps_dirty) {
si_pm4_bind_state(rctx, ps, rctx->ps_shader->current->pm4);
}
if (si_pm4_state_changed(rctx, ps) || si_pm4_state_changed(rctx, vs)) {
/* XXX: Emitting the PS state even when only the VS changed
* fixes random failures with piglit glsl-max-varyings.
* Not sure why...
*/
rctx->emitted.named.ps = NULL;
si_update_spi_map(rctx);
}
}
static void si_constant_buffer_update(struct r600_context *rctx)
{
struct pipe_context *ctx = &rctx->context;
struct si_pm4_state *pm4;
unsigned shader, i;
uint64_t va;
if (!rctx->constbuf_state[PIPE_SHADER_VERTEX].dirty_mask &&
!rctx->constbuf_state[PIPE_SHADER_FRAGMENT].dirty_mask)
return;
for (shader = PIPE_SHADER_VERTEX ; shader <= PIPE_SHADER_FRAGMENT; shader++) {
struct r600_constbuf_state *state = &rctx->constbuf_state[shader];
pm4 = CALLOC_STRUCT(si_pm4_state);
if (!pm4)
continue;
si_pm4_inval_shader_cache(pm4);
si_pm4_sh_data_begin(pm4);
for (i = 0; i < 2; i++) {
if (state->enabled_mask & (1 << i)) {
struct pipe_constant_buffer *cb = &state->cb[i];
struct si_resource *rbuffer = si_resource(cb->buffer);
va = r600_resource_va(ctx->screen, (void*)rbuffer);
va += cb->buffer_offset;
si_pm4_add_bo(pm4, rbuffer, RADEON_USAGE_READ);
/* Fill in a T# buffer resource description */
si_pm4_sh_data_add(pm4, va);
si_pm4_sh_data_add(pm4, (S_008F04_BASE_ADDRESS_HI(va >> 32) |
S_008F04_STRIDE(0)));
si_pm4_sh_data_add(pm4, cb->buffer_size);
si_pm4_sh_data_add(pm4, S_008F0C_DST_SEL_X(V_008F0C_SQ_SEL_X) |
S_008F0C_DST_SEL_Y(V_008F0C_SQ_SEL_Y) |
S_008F0C_DST_SEL_Z(V_008F0C_SQ_SEL_Z) |
S_008F0C_DST_SEL_W(V_008F0C_SQ_SEL_W) |
S_008F0C_NUM_FORMAT(V_008F0C_BUF_NUM_FORMAT_FLOAT) |
S_008F0C_DATA_FORMAT(V_008F0C_BUF_DATA_FORMAT_32));
} else {
/* Fill in an empty T# buffer resource description */
si_pm4_sh_data_add(pm4, 0);
si_pm4_sh_data_add(pm4, 0);
si_pm4_sh_data_add(pm4, 0);
si_pm4_sh_data_add(pm4, 0);
}
}
switch (shader) {
case PIPE_SHADER_VERTEX:
si_pm4_sh_data_end(pm4, R_00B130_SPI_SHADER_USER_DATA_VS_0, SI_SGPR_CONST);
si_pm4_set_state(rctx, vs_const, pm4);
break;
case PIPE_SHADER_FRAGMENT:
si_pm4_sh_data_end(pm4, R_00B030_SPI_SHADER_USER_DATA_PS_0, SI_SGPR_CONST);
si_pm4_set_state(rctx, ps_const, pm4);
break;
default:
R600_ERR("unsupported %d\n", shader);
FREE(pm4);
return;
}
state->dirty_mask = 0;
}
}
static void si_vertex_buffer_update(struct r600_context *rctx)
{
struct pipe_context *ctx = &rctx->context;
struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
bool bound[PIPE_MAX_ATTRIBS] = {};
unsigned i, count;
uint64_t va;
si_pm4_inval_texture_cache(pm4);
/* bind vertex buffer once */
count = rctx->vertex_elements->count;
si_pm4_sh_data_begin(pm4);
for (i = 0 ; i < count; i++) {
struct pipe_vertex_element *ve = &rctx->vertex_elements->elements[i];
struct pipe_vertex_buffer *vb;
struct si_resource *rbuffer;
unsigned offset;
if (ve->vertex_buffer_index >= rctx->nr_vertex_buffers)
continue;
vb = &rctx->vertex_buffer[ve->vertex_buffer_index];
rbuffer = (struct si_resource*)vb->buffer;
if (rbuffer == NULL)
continue;
offset = 0;
offset += vb->buffer_offset;
offset += ve->src_offset;
va = r600_resource_va(ctx->screen, (void*)rbuffer);
va += offset;
/* Fill in T# buffer resource description */
si_pm4_sh_data_add(pm4, va & 0xFFFFFFFF);
si_pm4_sh_data_add(pm4, (S_008F04_BASE_ADDRESS_HI(va >> 32) |
S_008F04_STRIDE(vb->stride)));
if (vb->stride)
/* Round up by rounding down and adding 1 */
si_pm4_sh_data_add(pm4,
(vb->buffer->width0 - offset -
util_format_get_blocksize(ve->src_format)) /
vb->stride + 1);
else
si_pm4_sh_data_add(pm4, vb->buffer->width0 - offset);
si_pm4_sh_data_add(pm4, rctx->vertex_elements->rsrc_word3[i]);
if (!bound[ve->vertex_buffer_index]) {
si_pm4_add_bo(pm4, rbuffer, RADEON_USAGE_READ);
bound[ve->vertex_buffer_index] = true;
}
}
si_pm4_sh_data_end(pm4, R_00B130_SPI_SHADER_USER_DATA_VS_0, SI_SGPR_VERTEX_BUFFER);
si_pm4_set_state(rctx, vertex_buffers, pm4);
}
static void si_state_draw(struct r600_context *rctx,
const struct pipe_draw_info *info,
const struct pipe_index_buffer *ib)
{
struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
if (pm4 == NULL)
return;
/* queries need some special values
* (this is non-zero if any query is active) */
if (rctx->num_cs_dw_queries_suspend) {
struct si_state_dsa *dsa = rctx->queued.named.dsa;
si_pm4_set_reg(pm4, R_028004_DB_COUNT_CONTROL,
S_028004_PERFECT_ZPASS_COUNTS(1));
si_pm4_set_reg(pm4, R_02800C_DB_RENDER_OVERRIDE,
dsa->db_render_override |
S_02800C_NOOP_CULL_DISABLE(1));
}
/* draw packet */
si_pm4_cmd_begin(pm4, PKT3_INDEX_TYPE);
if (ib->index_size == 4) {
si_pm4_cmd_add(pm4, V_028A7C_VGT_INDEX_32 | (R600_BIG_ENDIAN ?
V_028A7C_VGT_DMA_SWAP_32_BIT : 0));
} else {
si_pm4_cmd_add(pm4, V_028A7C_VGT_INDEX_16 | (R600_BIG_ENDIAN ?
V_028A7C_VGT_DMA_SWAP_16_BIT : 0));
}
si_pm4_cmd_end(pm4, rctx->predicate_drawing);
si_pm4_cmd_begin(pm4, PKT3_NUM_INSTANCES);
si_pm4_cmd_add(pm4, info->instance_count);
si_pm4_cmd_end(pm4, rctx->predicate_drawing);
if (info->indexed) {
uint32_t max_size = (ib->buffer->width0 - ib->offset) /
rctx->index_buffer.index_size;
uint64_t va;
va = r600_resource_va(&rctx->screen->screen, ib->buffer);
va += ib->offset;
si_pm4_add_bo(pm4, (struct si_resource *)ib->buffer, RADEON_USAGE_READ);
si_cmd_draw_index_2(pm4, max_size, va, info->count,
V_0287F0_DI_SRC_SEL_DMA,
rctx->predicate_drawing);
} else {
uint32_t initiator = V_0287F0_DI_SRC_SEL_AUTO_INDEX;
initiator |= S_0287F0_USE_OPAQUE(!!info->count_from_stream_output);
si_cmd_draw_index_auto(pm4, info->count, initiator, rctx->predicate_drawing);
}
si_pm4_set_state(rctx, draw, pm4);
}
void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct pipe_index_buffer ib = {};
uint32_t cp_coher_cntl;
if (!info->count && (info->indexed || !info->count_from_stream_output))
return;
if (!rctx->ps_shader || !rctx->vs_shader)
return;
si_update_derived_state(rctx);
si_constant_buffer_update(rctx);
si_vertex_buffer_update(rctx);
if (info->indexed) {
/* Initialize the index buffer struct. */
pipe_resource_reference(&ib.buffer, rctx->index_buffer.buffer);
ib.user_buffer = rctx->index_buffer.user_buffer;
ib.index_size = rctx->index_buffer.index_size;
ib.offset = rctx->index_buffer.offset + info->start * ib.index_size;
/* Translate or upload, if needed. */
r600_translate_index_buffer(rctx, &ib, info->count);
if (ib.user_buffer && !ib.buffer) {
r600_upload_index_buffer(rctx, &ib, info->count);
}
} else if (info->count_from_stream_output) {
r600_context_draw_opaque_count(rctx, (struct r600_so_target*)info->count_from_stream_output);
}
rctx->vs_shader_so_strides = rctx->vs_shader->current->so_strides;
if (!si_update_draw_info_state(rctx, info))
return;
si_state_draw(rctx, info, &ib);
cp_coher_cntl = si_pm4_sync_flags(rctx);
if (cp_coher_cntl) {
struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
if (pm4 == NULL)
return;
si_cmd_surface_sync(pm4, cp_coher_cntl);
si_pm4_set_state(rctx, sync, pm4);
}
/* Emit states. */
rctx->pm4_dirty_cdwords += si_pm4_dirty_dw(rctx);
si_need_cs_space(rctx, 0, TRUE);
si_pm4_emit_dirty(rctx);
rctx->pm4_dirty_cdwords = 0;
#if R600_TRACE_CS
if (rctx->screen->trace_bo) {
r600_trace_emit(rctx);
}
#endif
#if 0
/* Enable stream out if needed. */
if (rctx->streamout_start) {
r600_context_streamout_begin(rctx);
rctx->streamout_start = FALSE;
}
#endif
rctx->flags |= R600_CONTEXT_DST_CACHES_DIRTY;
/* Set the depth buffer as dirty. */
if (rctx->framebuffer.zsbuf) {
struct pipe_surface *surf = rctx->framebuffer.zsbuf;
struct r600_resource_texture *rtex = (struct r600_resource_texture *)surf->texture;
rtex->dirty_db_mask |= 1 << surf->u.tex.level;
}
pipe_resource_reference(&ib.buffer, NULL);
}