#include "brw_context.h"
#include "brw_state.h"
#include "brw_defines.h"
+#include "compiler/brw_eu_defines.h"
#include "brw_util.h"
#include "brw_wm.h"
#include "program/program.h"
#include "program/prog_parameter.h"
#include "program/prog_statevars.h"
+#include "main/shaderapi.h"
+#include "main/framebuffer.h"
#include "intel_batchbuffer.h"
static void
gen6_upload_wm_push_constants(struct brw_context *brw)
{
- struct gl_context *ctx = &brw->ctx;
+ struct brw_stage_state *stage_state = &brw->wm.base;
/* BRW_NEW_FRAGMENT_PROGRAM */
- const struct brw_fragment_program *fp =
- brw_fragment_program_const(brw->fragment_program);
- /* CACHE_NEW_WM_PROG */
- const struct brw_wm_prog_data *prog_data = brw->wm.prog_data;
-
- /* Updates the ParameterValues[i] pointers for all parameters of the
- * basic type of PROGRAM_STATE_VAR.
- */
- /* XXX: Should this happen somewhere before to get our state flag set? */
- _mesa_load_state_parameters(ctx, fp->program.Base.Parameters);
-
- if (prog_data->base.nr_params == 0) {
- brw->wm.base.push_const_size = 0;
- } else {
- float *constants;
- unsigned int i;
+ const struct brw_program *fp = brw_program_const(brw->fragment_program);
+ /* BRW_NEW_FS_PROG_DATA */
+ const struct brw_stage_prog_data *prog_data = brw->wm.base.prog_data;
- constants = brw_state_batch(brw, AUB_TRACE_WM_CONSTANTS,
- prog_data->base.nr_params * sizeof(float),
- 32, &brw->wm.base.push_const_offset);
+ _mesa_shader_write_subroutine_indices(&brw->ctx, MESA_SHADER_FRAGMENT);
- for (i = 0; i < prog_data->base.nr_params; i++) {
- constants[i] = *prog_data->base.param[i];
- }
-
- if (0) {
- fprintf(stderr, "WM constants:\n");
- for (i = 0; i < prog_data->base.nr_params; i++) {
- if ((i & 7) == 0)
- fprintf(stderr, "g%d: ", prog_data->first_curbe_grf + i / 8);
- fprintf(stderr, "%8f ", constants[i]);
- if ((i & 7) == 7)
- fprintf(stderr, "\n");
- }
- if ((i & 7) != 0)
- fprintf(stderr, "\n");
- fprintf(stderr, "\n");
- }
-
- brw->wm.base.push_const_size = ALIGN(prog_data->base.nr_params, 8) / 8;
- }
+ gen6_upload_push_constants(brw, &fp->program, prog_data,
+ stage_state, AUB_TRACE_WM_CONSTANTS);
if (brw->gen >= 7) {
gen7_upload_constant_state(brw, &brw->wm.base, true,
const struct brw_tracked_state gen6_wm_push_constants = {
.dirty = {
.mesa = _NEW_PROGRAM_CONSTANTS,
- .brw = (BRW_NEW_BATCH |
- BRW_NEW_FRAGMENT_PROGRAM |
- BRW_NEW_PUSH_CONSTANT_ALLOCATION),
- .cache = CACHE_NEW_WM_PROG,
+ .brw = BRW_NEW_BATCH |
+ BRW_NEW_BLORP |
+ BRW_NEW_FRAGMENT_PROGRAM |
+ BRW_NEW_FS_PROG_DATA |
+ BRW_NEW_PUSH_CONSTANT_ALLOCATION,
},
.emit = gen6_upload_wm_push_constants,
};
-static void
-upload_wm_state(struct brw_context *brw)
+void
+gen6_upload_wm_state(struct brw_context *brw,
+ const struct brw_wm_prog_data *prog_data,
+ const struct brw_stage_state *stage_state,
+ bool multisampled_fbo,
+ bool dual_source_blend_enable, bool kill_enable,
+ bool color_buffer_write_enable, bool msaa_enabled,
+ bool line_stipple_enable, bool polygon_stipple_enable,
+ bool statistic_enable)
{
- struct gl_context *ctx = &brw->ctx;
- const struct brw_fragment_program *fp =
- brw_fragment_program_const(brw->fragment_program);
- uint32_t dw2, dw4, dw5, dw6;
-
- /* _NEW_BUFFERS */
- bool multisampled_fbo = ctx->DrawBuffer->Visual.samples > 1;
+ const struct gen_device_info *devinfo = &brw->screen->devinfo;
+ uint32_t dw2, dw4, dw5, dw6, ksp0, ksp2;
- /* CACHE_NEW_WM_PROG */
- if (brw->wm.prog_data->base.nr_params == 0) {
+ /* We can't fold this into gen6_upload_wm_push_constants(), because
+ * according to the SNB PRM, vol 2 part 1 section 7.2.2
+ * (3DSTATE_CONSTANT_PS [DevSNB]):
+ *
+ * "[DevSNB]: This packet must be followed by WM_STATE."
+ */
+ if (prog_data->base.nr_params == 0) {
/* Disable the push constant buffers. */
BEGIN_BATCH(5);
OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 | (5 - 2));
/* Pointer to the WM constant buffer. Covered by the set of
* state flags from gen6_upload_wm_push_constants.
*/
- OUT_BATCH(brw->wm.base.push_const_offset +
- brw->wm.base.push_const_size - 1);
+ OUT_BATCH(stage_state->push_const_offset +
+ stage_state->push_const_size - 1);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
ADVANCE_BATCH();
}
- dw2 = dw4 = dw5 = dw6 = 0;
- dw4 |= GEN6_WM_STATISTICS_ENABLE;
+ dw2 = dw4 = dw5 = dw6 = ksp2 = 0;
+
+ if (statistic_enable)
+ dw4 |= GEN6_WM_STATISTICS_ENABLE;
+
dw5 |= GEN6_WM_LINE_AA_WIDTH_1_0;
dw5 |= GEN6_WM_LINE_END_CAP_AA_WIDTH_0_5;
- /* Use ALT floating point mode for ARB fragment programs, because they
- * require 0^0 == 1. Even though _CurrentFragmentProgram is used for
- * rendering, CurrentProgram[MESA_SHADER_FRAGMENT] is used for this check
- * to differentiate between the GLSL and non-GLSL cases.
- */
- if (ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT] == NULL)
+ if (prog_data->base.use_alt_mode)
dw2 |= GEN6_WM_FLOATING_POINT_MODE_ALT;
- dw2 |= (ALIGN(brw->wm.base.sampler_count, 4) / 4) <<
+ dw2 |= (ALIGN(stage_state->sampler_count, 4) / 4) <<
GEN6_WM_SAMPLER_COUNT_SHIFT;
- /* CACHE_NEW_WM_PROG */
- dw2 |= ((brw->wm.prog_data->base.binding_table.size_bytes / 4) <<
+ dw2 |= ((prog_data->base.binding_table.size_bytes / 4) <<
GEN6_WM_BINDING_TABLE_ENTRY_COUNT_SHIFT);
- dw5 |= (brw->max_wm_threads - 1) << GEN6_WM_MAX_THREADS_SHIFT;
-
- /* CACHE_NEW_WM_PROG */
+ dw5 |= (devinfo->max_wm_threads - 1) << GEN6_WM_MAX_THREADS_SHIFT;
- /* In case of non 1x per sample shading, only one of SIMD8 and SIMD16
- * should be enabled. We do 'SIMD16 only' dispatch if a SIMD16 shader
- * is successfully compiled. In majority of the cases that bring us
- * better performance than 'SIMD8 only' dispatch.
- */
- int min_inv_per_frag =
- _mesa_get_min_invocations_per_fragment(ctx, brw->fragment_program, false);
- assert(min_inv_per_frag >= 1);
+ if (prog_data->dispatch_8)
+ dw5 |= GEN6_WM_8_DISPATCH_ENABLE;
- if (brw->wm.prog_data->prog_offset_16) {
+ if (prog_data->dispatch_16)
dw5 |= GEN6_WM_16_DISPATCH_ENABLE;
- if (min_inv_per_frag == 1) {
- dw5 |= GEN6_WM_8_DISPATCH_ENABLE;
- dw4 |= (brw->wm.prog_data->first_curbe_grf <<
- GEN6_WM_DISPATCH_START_GRF_SHIFT_0);
- dw4 |= (brw->wm.prog_data->first_curbe_grf_16 <<
- GEN6_WM_DISPATCH_START_GRF_SHIFT_2);
- } else
- dw4 |= (brw->wm.prog_data->first_curbe_grf_16 <<
- GEN6_WM_DISPATCH_START_GRF_SHIFT_0);
- }
- else {
- dw5 |= GEN6_WM_8_DISPATCH_ENABLE;
- dw4 |= (brw->wm.prog_data->first_curbe_grf <<
- GEN6_WM_DISPATCH_START_GRF_SHIFT_0);
- }
+ dw4 |= prog_data->base.dispatch_grf_start_reg <<
+ GEN6_WM_DISPATCH_START_GRF_SHIFT_0;
+ dw4 |= prog_data->dispatch_grf_start_reg_2 <<
+ GEN6_WM_DISPATCH_START_GRF_SHIFT_2;
+
+ ksp0 = stage_state->prog_offset;
+ ksp2 = stage_state->prog_offset + prog_data->prog_offset_2;
- /* CACHE_NEW_WM_PROG | _NEW_COLOR */
- if (brw->wm.prog_data->dual_src_blend &&
- (ctx->Color.BlendEnabled & 1) &&
- ctx->Color.Blend[0]._UsesDualSrc) {
+ if (dual_source_blend_enable)
dw5 |= GEN6_WM_DUAL_SOURCE_BLEND_ENABLE;
- }
- /* _NEW_LINE */
- if (ctx->Line.StippleFlag)
+ if (line_stipple_enable)
dw5 |= GEN6_WM_LINE_STIPPLE_ENABLE;
- /* _NEW_POLYGON */
- if (ctx->Polygon.StippleFlag)
+ if (polygon_stipple_enable)
dw5 |= GEN6_WM_POLYGON_STIPPLE_ENABLE;
- /* BRW_NEW_FRAGMENT_PROGRAM */
- if (fp->program.Base.InputsRead & VARYING_BIT_POS)
- dw5 |= GEN6_WM_USES_SOURCE_DEPTH | GEN6_WM_USES_SOURCE_W;
- if (fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
+ if (prog_data->uses_src_depth)
+ dw5 |= GEN6_WM_USES_SOURCE_DEPTH;
+ if (prog_data->uses_src_w)
+ dw5 |= GEN6_WM_USES_SOURCE_W;
+ if (prog_data->computed_depth_mode != BRW_PSCDEPTH_OFF)
dw5 |= GEN6_WM_COMPUTED_DEPTH;
- /* CACHE_NEW_WM_PROG */
- dw6 |= brw->wm.prog_data->barycentric_interp_modes <<
+ dw6 |= prog_data->barycentric_interp_modes <<
GEN6_WM_BARYCENTRIC_INTERPOLATION_MODE_SHIFT;
- /* _NEW_COLOR, _NEW_MULTISAMPLE */
- if (fp->program.UsesKill || ctx->Color.AlphaEnabled ||
- ctx->Multisample.SampleAlphaToCoverage ||
- brw->wm.prog_data->uses_omask)
+ if (kill_enable)
dw5 |= GEN6_WM_KILL_ENABLE;
- /* _NEW_BUFFERS | _NEW_COLOR */
- if (brw_color_buffer_write_enabled(brw) ||
- dw5 & (GEN6_WM_KILL_ENABLE | GEN6_WM_COMPUTED_DEPTH)) {
+ if (color_buffer_write_enable ||
+ dw5 & (GEN6_WM_KILL_ENABLE | GEN6_WM_COMPUTED_DEPTH))
dw5 |= GEN6_WM_DISPATCH_ENABLE;
- }
/* From the SNB PRM, volume 2 part 1, page 278:
* "This bit is inserted in the PS payload header and made available to
* Target Write messages. If present, the oMask data is used to mask off
* samples."
*/
- if(brw->wm.prog_data->uses_omask)
+ if (prog_data->uses_omask)
dw5 |= GEN6_WM_OMASK_TO_RENDER_TARGET;
- /* CACHE_NEW_WM_PROG */
- dw6 |= brw->wm.prog_data->num_varying_inputs <<
+ dw6 |= prog_data->num_varying_inputs <<
GEN6_WM_NUM_SF_OUTPUTS_SHIFT;
if (multisampled_fbo) {
- /* _NEW_MULTISAMPLE */
- if (ctx->Multisample.Enabled)
+ if (msaa_enabled)
dw6 |= GEN6_WM_MSRAST_ON_PATTERN;
else
dw6 |= GEN6_WM_MSRAST_OFF_PIXEL;
- if (min_inv_per_frag > 1)
+ if (prog_data->persample_dispatch)
dw6 |= GEN6_WM_MSDISPMODE_PERSAMPLE;
else {
dw6 |= GEN6_WM_MSDISPMODE_PERPIXEL;
-
- /* From the Sandy Bridge PRM, Vol 2 part 1, 7.7.1 ("Pixel Grouping
- * (Dispatch Size) Control"), p.334:
- *
- * Note: in the table below, the Valid column indicates which
- * products that combination is supported on. Combinations of
- * dispatch enables not listed in the table are not available on
- * any product.
- *
- * A: Valid on all products
- *
- * B: Not valid on [DevSNB] if 4x PERPIXEL mode with pixel shader
- * computed depth.
- *
- * D: Valid on all products, except when in non-1x PERSAMPLE mode
- * (applies to [DevSNB+] only). Not valid on [DevSNB] if 4x
- * PERPIXEL mode with pixel shader computed depth.
- *
- * E: Not valid on [DevSNB] if 4x PERPIXEL mode with pixel shader
- * computed depth.
- *
- * F: Valid on all products, except not valid on [DevSNB] if 4x
- * PERPIXEL mode with pixel shader computed depth.
- *
- * In the table that follows, the only entry with "A" in the Valid
- * column is the entry where only 8 pixel dispatch is enabled.
- * Therefore, when we are in PERPIXEL mode with pixel shader computed
- * depth, we need to disable SIMD16 dispatch.
- */
- if (dw5 & GEN6_WM_COMPUTED_DEPTH)
- dw5 &= ~GEN6_WM_16_DISPATCH_ENABLE;
}
} else {
dw6 |= GEN6_WM_MSRAST_OFF_PIXEL;
* We only require XY sample offsets. So, this recommendation doesn't
* look useful at the moment. We might need this in future.
*/
- if (brw->wm.prog_data->uses_pos_offset)
+ if (prog_data->uses_pos_offset)
dw6 |= GEN6_WM_POSOFFSET_SAMPLE;
else
dw6 |= GEN6_WM_POSOFFSET_NONE;
BEGIN_BATCH(9);
OUT_BATCH(_3DSTATE_WM << 16 | (9 - 2));
- if (brw->wm.prog_data->prog_offset_16 && min_inv_per_frag > 1)
- OUT_BATCH(brw->wm.base.prog_offset + brw->wm.prog_data->prog_offset_16);
- else
- OUT_BATCH(brw->wm.base.prog_offset);
+ OUT_BATCH(ksp0);
OUT_BATCH(dw2);
- if (brw->wm.prog_data->total_scratch) {
- OUT_RELOC(brw->wm.base.scratch_bo,
+ if (prog_data->base.total_scratch) {
+ OUT_RELOC(stage_state->scratch_bo,
I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- ffs(brw->wm.prog_data->total_scratch) - 11);
+ ffs(stage_state->per_thread_scratch) - 11);
} else {
OUT_BATCH(0);
}
OUT_BATCH(dw5);
OUT_BATCH(dw6);
OUT_BATCH(0); /* kernel 1 pointer */
- /* kernel 2 pointer */
- OUT_BATCH(brw->wm.base.prog_offset + brw->wm.prog_data->prog_offset_16);
+ OUT_BATCH(ksp2);
ADVANCE_BATCH();
}
+static void
+upload_wm_state(struct brw_context *brw)
+{
+ struct gl_context *ctx = &brw->ctx;
+ /* BRW_NEW_FS_PROG_DATA */
+ const struct brw_wm_prog_data *prog_data =
+ brw_wm_prog_data(brw->wm.base.prog_data);
+
+ /* _NEW_BUFFERS */
+ const bool multisampled_fbo = _mesa_geometric_samples(ctx->DrawBuffer) > 1;
+
+ /* BRW_NEW_FS_PROG_DATA | _NEW_COLOR */
+ const bool dual_src_blend_enable = prog_data->dual_src_blend &&
+ (ctx->Color.BlendEnabled & 1) &&
+ ctx->Color.Blend[0]._UsesDualSrc;
+
+ /* _NEW_COLOR, _NEW_MULTISAMPLE _NEW_BUFFERS */
+ const bool kill_enable = prog_data->uses_kill ||
+ _mesa_is_alpha_test_enabled(ctx) ||
+ _mesa_is_alpha_to_coverage_enabled(ctx) ||
+ prog_data->uses_omask;
+
+ /* Rendering against the gl-context is always taken into account. */
+ const bool statistic_enable = true;
+
+ /* _NEW_LINE | _NEW_POLYGON | _NEW_BUFFERS | _NEW_COLOR |
+ * _NEW_MULTISAMPLE
+ */
+ gen6_upload_wm_state(brw, prog_data, &brw->wm.base,
+ multisampled_fbo,
+ dual_src_blend_enable, kill_enable,
+ brw_color_buffer_write_enabled(brw),
+ ctx->Multisample.Enabled,
+ ctx->Line.StippleFlag, ctx->Polygon.StippleFlag,
+ statistic_enable);
+}
+
const struct brw_tracked_state gen6_wm_state = {
.dirty = {
- .mesa = (_NEW_LINE |
- _NEW_COLOR |
- _NEW_BUFFERS |
- _NEW_PROGRAM_CONSTANTS |
- _NEW_POLYGON |
- _NEW_MULTISAMPLE),
- .brw = (BRW_NEW_FRAGMENT_PROGRAM |
- BRW_NEW_BATCH |
- BRW_NEW_PUSH_CONSTANT_ALLOCATION),
- .cache = (CACHE_NEW_WM_PROG)
+ .mesa = _NEW_BUFFERS |
+ _NEW_COLOR |
+ _NEW_LINE |
+ _NEW_MULTISAMPLE |
+ _NEW_POLYGON |
+ _NEW_PROGRAM_CONSTANTS,
+ .brw = BRW_NEW_BATCH |
+ BRW_NEW_BLORP |
+ BRW_NEW_FS_PROG_DATA |
+ BRW_NEW_PUSH_CONSTANT_ALLOCATION,
},
.emit = upload_wm_state,
};