ilo_cp_end(cp);
}
-/**
- * Fill in DW2 to DW7 of 3DSTATE_SF.
- */
void
-ilo_gpe_gen6_fill_3dstate_sf_raster(const struct ilo_dev_info *dev,
- const struct pipe_rasterizer_state *rasterizer,
- int num_samples,
- enum pipe_format depth_format,
- bool separate_stencil,
- uint32_t *dw, int num_dwords)
+ilo_gpe_init_rasterizer_sf(const struct ilo_dev_info *dev,
+ const struct pipe_rasterizer_state *state,
+ struct ilo_rasterizer_sf *sf)
{
float offset_const, offset_scale, offset_clamp;
- int format, line_width, point_width;
+ int line_width, point_width;
+ uint32_t dw1, dw2, dw3;
ILO_GPE_VALID_GEN(dev, 6, 7);
- assert(num_dwords == 6);
-
- if (!rasterizer) {
- dw[0] = 0;
- dw[1] = (num_samples > 1) ? GEN6_SF_MSRAST_ON_PATTERN : 0;
- dw[2] = 0;
- dw[3] = 0;
- dw[4] = 0;
- dw[5] = 0;
-
- return;
- }
/*
* Scale the constant term. The minimum representable value used by the HW
* is not large enouch to be the minimum resolvable difference.
*/
- offset_const = rasterizer->offset_units * 2.0f;
+ offset_const = state->offset_units * 2.0f;
- offset_scale = rasterizer->offset_scale;
- offset_clamp = rasterizer->offset_clamp;
-
- if (separate_stencil) {
- switch (depth_format) {
- case PIPE_FORMAT_Z24_UNORM_S8_UINT:
- depth_format = PIPE_FORMAT_Z24X8_UNORM;
- break;
- case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
- depth_format = PIPE_FORMAT_Z32_FLOAT;;
- break;
- case PIPE_FORMAT_S8_UINT:
- depth_format = PIPE_FORMAT_NONE;
- break;
- default:
- break;
- }
- }
-
- format = gen6_translate_depth_format(depth_format);
- /* FLOAT surface is assumed when there is no depth buffer */
- if (format < 0)
- format = BRW_DEPTHFORMAT_D32_FLOAT;
-
- /*
- * Smooth lines should intersect ceil(line_width) or (ceil(line_width) + 1)
- * pixels in the minor direction. We have to make the lines slightly
- * thicker, 0.5 pixel on both sides, so that they intersect that many
- * pixels are considered into the lines.
- *
- * Line width is in U3.7.
- */
- line_width = (int) ((rasterizer->line_width +
- (float) rasterizer->line_smooth) * 128.0f + 0.5f);
- line_width = CLAMP(line_width, 0, 1023);
-
- /*
- * From the Sandy Bridge PRM, volume 2 part 1, page 251:
- *
- * "Software must not program a value of 0.0 when running in
- * MSRASTMODE_ON_xxx modes - zero-width lines are not available when
- * multisampling rasterization is enabled."
- */
- if (rasterizer->multisample) {
- if (!line_width)
- line_width = 128; /* 1.0f */
- }
- else if (line_width == 128 && !rasterizer->line_smooth) {
- /* use GIQ rules */
- line_width = 0;
- }
-
- /* in U8.3 */
- point_width = (int) (rasterizer->point_size * 8.0f + 0.5f);
- point_width = CLAMP(point_width, 1, 2047);
+ offset_scale = state->offset_scale;
+ offset_clamp = state->offset_clamp;
/*
* From the Sandy Bridge PRM, volume 2 part 1, page 248:
* should be cleared if clipping is disabled or Statistics Enable in
* CLIP_STATE is clear."
*/
- dw[0] = GEN6_SF_STATISTICS_ENABLE |
- GEN6_SF_VIEWPORT_TRANSFORM_ENABLE;
+ dw1 = GEN6_SF_STATISTICS_ENABLE |
+ GEN6_SF_VIEWPORT_TRANSFORM_ENABLE;
/* XXX GEN6 path seems to work fine for GEN7 */
if (false && dev->gen >= ILO_GEN(7)) {
- dw[0] |= format << GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT;
-
/*
* From the Ivy Bridge PRM, volume 2 part 1, page 258:
*
* bias (Slope, Bias) values are used. Setting this bit may have
* some degradation of performance for some workloads."
*/
- if (rasterizer->offset_tri ||
- rasterizer->offset_line ||
- rasterizer->offset_point) {
+ if (state->offset_tri || state->offset_line || state->offset_point) {
/* XXX need to scale offset_const according to the depth format */
- dw[0] |= GEN6_SF_LEGACY_GLOBAL_DEPTH_BIAS;
+ dw1 |= GEN6_SF_LEGACY_GLOBAL_DEPTH_BIAS;
- dw[0] |= GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID |
- GEN6_SF_GLOBAL_DEPTH_OFFSET_WIREFRAME |
- GEN6_SF_GLOBAL_DEPTH_OFFSET_POINT;
+ dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID |
+ GEN6_SF_GLOBAL_DEPTH_OFFSET_WIREFRAME |
+ GEN6_SF_GLOBAL_DEPTH_OFFSET_POINT;
}
else {
offset_const = 0.0f;
}
}
else {
- if (dev->gen >= ILO_GEN(7))
- dw[0] |= format << GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT;
-
- if (rasterizer->offset_tri)
- dw[0] |= GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID;
- if (rasterizer->offset_line)
- dw[0] |= GEN6_SF_GLOBAL_DEPTH_OFFSET_WIREFRAME;
- if (rasterizer->offset_point)
- dw[0] |= GEN6_SF_GLOBAL_DEPTH_OFFSET_POINT;
+ if (state->offset_tri)
+ dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID;
+ if (state->offset_line)
+ dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_WIREFRAME;
+ if (state->offset_point)
+ dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_POINT;
}
- switch (rasterizer->fill_front) {
+ switch (state->fill_front) {
case PIPE_POLYGON_MODE_FILL:
- dw[0] |= GEN6_SF_FRONT_SOLID;
+ dw1 |= GEN6_SF_FRONT_SOLID;
break;
case PIPE_POLYGON_MODE_LINE:
- dw[0] |= GEN6_SF_FRONT_WIREFRAME;
+ dw1 |= GEN6_SF_FRONT_WIREFRAME;
break;
case PIPE_POLYGON_MODE_POINT:
- dw[0] |= GEN6_SF_FRONT_POINT;
+ dw1 |= GEN6_SF_FRONT_POINT;
break;
}
- switch (rasterizer->fill_back) {
+ switch (state->fill_back) {
case PIPE_POLYGON_MODE_FILL:
- dw[0] |= GEN6_SF_BACK_SOLID;
+ dw1 |= GEN6_SF_BACK_SOLID;
break;
case PIPE_POLYGON_MODE_LINE:
- dw[0] |= GEN6_SF_BACK_WIREFRAME;
+ dw1 |= GEN6_SF_BACK_WIREFRAME;
break;
case PIPE_POLYGON_MODE_POINT:
- dw[0] |= GEN6_SF_BACK_POINT;
+ dw1 |= GEN6_SF_BACK_POINT;
break;
}
- if (rasterizer->front_ccw)
- dw[0] |= GEN6_SF_WINDING_CCW;
+ if (state->front_ccw)
+ dw1 |= GEN6_SF_WINDING_CCW;
- dw[1] = 0;
+ dw2 = 0;
- if (rasterizer->line_smooth) {
+ if (state->line_smooth) {
/*
* From the Sandy Bridge PRM, volume 2 part 1, page 251:
*
*
* TODO We do not check those yet.
*/
- dw[1] |= GEN6_SF_LINE_AA_ENABLE |
- GEN6_SF_LINE_END_CAP_WIDTH_1_0;
+ dw2 |= GEN6_SF_LINE_AA_ENABLE |
+ GEN6_SF_LINE_END_CAP_WIDTH_1_0;
}
- switch (rasterizer->cull_face) {
+ switch (state->cull_face) {
case PIPE_FACE_NONE:
- dw[1] |= GEN6_SF_CULL_NONE;
+ dw2 |= GEN6_SF_CULL_NONE;
break;
case PIPE_FACE_FRONT:
- dw[1] |= GEN6_SF_CULL_FRONT;
+ dw2 |= GEN6_SF_CULL_FRONT;
break;
case PIPE_FACE_BACK:
- dw[1] |= GEN6_SF_CULL_BACK;
+ dw2 |= GEN6_SF_CULL_BACK;
break;
case PIPE_FACE_FRONT_AND_BACK:
- dw[1] |= GEN6_SF_CULL_BOTH;
+ dw2 |= GEN6_SF_CULL_BOTH;
break;
}
- dw[1] |= line_width << GEN6_SF_LINE_WIDTH_SHIFT;
+ /*
+ * Smooth lines should intersect ceil(line_width) or (ceil(line_width) + 1)
+ * pixels in the minor direction. We have to make the lines slightly
+ * thicker, 0.5 pixel on both sides, so that they intersect that many
+ * pixels are considered into the lines.
+ *
+ * Line width is in U3.7.
+ */
+ line_width = (int) ((state->line_width +
+ (float) state->line_smooth) * 128.0f + 0.5f);
+ line_width = CLAMP(line_width, 0, 1023);
+
+ if (line_width == 128 && !state->line_smooth) {
+ /* use GIQ rules */
+ line_width = 0;
+ }
+
+ dw2 |= line_width << GEN6_SF_LINE_WIDTH_SHIFT;
+
+ if (state->scissor)
+ dw2 |= GEN6_SF_SCISSOR_ENABLE;
+
+ dw3 = GEN6_SF_LINE_AA_MODE_TRUE |
+ GEN6_SF_VERTEX_SUBPIXEL_8BITS;
+
+ if (state->line_last_pixel)
+ dw3 |= 1 << 31;
+
+ if (state->flatshade_first) {
+ dw3 |= 0 << GEN6_SF_TRI_PROVOKE_SHIFT |
+ 0 << GEN6_SF_LINE_PROVOKE_SHIFT |
+ 1 << GEN6_SF_TRIFAN_PROVOKE_SHIFT;
+ }
+ else {
+ dw3 |= 2 << GEN6_SF_TRI_PROVOKE_SHIFT |
+ 1 << GEN6_SF_LINE_PROVOKE_SHIFT |
+ 2 << GEN6_SF_TRIFAN_PROVOKE_SHIFT;
+ }
- if (rasterizer->scissor)
- dw[1] |= GEN6_SF_SCISSOR_ENABLE;
+ if (!state->point_size_per_vertex)
+ dw3 |= GEN6_SF_USE_STATE_POINT_WIDTH;
- if (num_samples > 1 && rasterizer->multisample)
- dw[1] |= GEN6_SF_MSRAST_ON_PATTERN;
+ /* in U8.3 */
+ point_width = (int) (state->point_size * 8.0f + 0.5f);
+ point_width = CLAMP(point_width, 1, 2047);
+
+ dw3 |= point_width;
- dw[2] = GEN6_SF_LINE_AA_MODE_TRUE |
- GEN6_SF_VERTEX_SUBPIXEL_8BITS;
+ STATIC_ASSERT(Elements(sf->payload) >= 6);
+ sf->payload[0] = dw1;
+ sf->payload[1] = dw2;
+ sf->payload[2] = dw3;
+ sf->payload[3] = fui(offset_const);
+ sf->payload[4] = fui(offset_scale);
+ sf->payload[5] = fui(offset_clamp);
- if (rasterizer->line_last_pixel)
- dw[2] |= 1 << 31;
+ if (state->multisample) {
+ sf->dw_msaa = GEN6_SF_MSRAST_ON_PATTERN;
- if (rasterizer->flatshade_first) {
- dw[2] |= 0 << GEN6_SF_TRI_PROVOKE_SHIFT |
- 0 << GEN6_SF_LINE_PROVOKE_SHIFT |
- 1 << GEN6_SF_TRIFAN_PROVOKE_SHIFT;
+ /*
+ * From the Sandy Bridge PRM, volume 2 part 1, page 251:
+ *
+ * "Software must not program a value of 0.0 when running in
+ * MSRASTMODE_ON_xxx modes - zero-width lines are not available
+ * when multisampling rasterization is enabled."
+ */
+ if (!line_width) {
+ line_width = 128; /* 1.0f */
+
+ sf->dw_msaa |= line_width << GEN6_SF_LINE_WIDTH_SHIFT;
+ }
}
else {
- dw[2] |= 2 << GEN6_SF_TRI_PROVOKE_SHIFT |
- 1 << GEN6_SF_LINE_PROVOKE_SHIFT |
- 2 << GEN6_SF_TRIFAN_PROVOKE_SHIFT;
+ sf->dw_msaa = 0;
}
+}
+
+/**
+ * Fill in DW2 to DW7 of 3DSTATE_SF.
+ */
+void
+ilo_gpe_gen6_fill_3dstate_sf_raster(const struct ilo_dev_info *dev,
+ const struct ilo_rasterizer_sf *sf,
+ int num_samples,
+ enum pipe_format depth_format,
+ uint32_t *payload, unsigned payload_len)
+{
+ assert(payload_len == Elements(sf->payload));
+
+ if (sf) {
+ memcpy(payload, sf->payload, sizeof(sf->payload));
+
+ if (num_samples > 1)
+ payload[1] |= sf->dw_msaa;
- if (!rasterizer->point_size_per_vertex)
- dw[2] |= GEN6_SF_USE_STATE_POINT_WIDTH;
+ if (dev->gen >= ILO_GEN(7)) {
+ int format;
- dw[2] |= point_width;
+ /* separate stencil */
+ switch (depth_format) {
+ case PIPE_FORMAT_Z24_UNORM_S8_UINT:
+ depth_format = PIPE_FORMAT_Z24X8_UNORM;
+ break;
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
+ depth_format = PIPE_FORMAT_Z32_FLOAT;;
+ break;
+ case PIPE_FORMAT_S8_UINT:
+ depth_format = PIPE_FORMAT_NONE;
+ break;
+ default:
+ break;
+ }
- dw[3] = fui(offset_const);
- dw[4] = fui(offset_scale);
- dw[5] = fui(offset_clamp);
+ format = gen6_translate_depth_format(depth_format);
+ /* FLOAT surface is assumed when there is no depth buffer */
+ if (format < 0)
+ format = BRW_DEPTHFORMAT_D32_FLOAT;
+
+ payload[0] |= format << GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT;
+ }
+ }
+ else {
+ payload[0] = 0;
+ payload[1] = (num_samples > 1) ? GEN6_SF_MSRAST_ON_PATTERN : 0;
+ payload[2] = 0;
+ payload[3] = 0;
+ payload[4] = 0;
+ payload[5] = 0;
+ }
}
/**
static void
gen6_emit_3DSTATE_SF(const struct ilo_dev_info *dev,
- const struct pipe_rasterizer_state *rasterizer,
+ const struct ilo_rasterizer_state *rasterizer,
const struct ilo_shader *fs,
const struct ilo_shader *last_sh,
struct ilo_cp *cp)
{
const uint32_t cmd = ILO_GPE_CMD(0x3, 0x0, 0x13);
const uint8_t cmd_len = 20;
- uint32_t dw_raster[6], dw_sbe[13];
+ uint32_t payload_raster[6], payload_sbe[13];
ILO_GPE_VALID_GEN(dev, 6, 6);
- ilo_gpe_gen6_fill_3dstate_sf_raster(dev, rasterizer,
- 1, PIPE_FORMAT_NONE, false, dw_raster, Elements(dw_raster));
- ilo_gpe_gen6_fill_3dstate_sf_sbe(dev, rasterizer,
- fs, last_sh, dw_sbe, Elements(dw_sbe));
+ ilo_gpe_gen6_fill_3dstate_sf_raster(dev, &rasterizer->sf,
+ 1, PIPE_FORMAT_NONE, payload_raster, Elements(payload_raster));
+ ilo_gpe_gen6_fill_3dstate_sf_sbe(dev, &rasterizer->state,
+ fs, last_sh, payload_sbe, Elements(payload_sbe));
ilo_cp_begin(cp, cmd_len);
ilo_cp_write(cp, cmd | (cmd_len - 2));
- ilo_cp_write(cp, dw_sbe[0]);
- ilo_cp_write_multi(cp, dw_raster, 6);
- ilo_cp_write_multi(cp, &dw_sbe[1], 12);
+ ilo_cp_write(cp, payload_sbe[0]);
+ ilo_cp_write_multi(cp, payload_raster, 6);
+ ilo_cp_write_multi(cp, &payload_sbe[1], 12);
ilo_cp_end(cp);
}
projects / mesa.git / commitdiff