/*
Copyright (C) Intel Corp. 2006. All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ Intel funded Tungsten Graphics to
develop this 3D driver.
-
+
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
distribute, sublicense, 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 NONINFRINGEMENT.
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:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
-
+
+#include "intel_fbo.h"
#include "brw_context.h"
#include "brw_state.h"
#include "brw_defines.h"
* WM unit - fragment programs and rasterization
*/
-struct brw_wm_unit_key {
- unsigned int total_grf, total_scratch;
- unsigned int urb_entry_read_length;
- unsigned int curb_entry_read_length;
- unsigned int dispatch_grf_start_reg;
-
- unsigned int curbe_offset;
- unsigned int urb_size;
-
- unsigned int nr_surfaces, sampler_count;
- GLboolean uses_depth, computes_depth, uses_kill, is_glsl;
- GLboolean polygon_stipple, stats_wm, line_stipple, offset_enable;
- GLfloat offset_units, offset_factor;
-};
-
-static void
-wm_unit_populate_key(struct brw_context *brw, struct brw_wm_unit_key *key)
+bool
+brw_color_buffer_write_enabled(struct brw_context *brw)
{
- GLcontext *ctx = &brw->intel.ctx;
+ struct gl_context *ctx = &brw->ctx;
const struct gl_fragment_program *fp = brw->fragment_program;
- const struct brw_fragment_program *bfp = (struct brw_fragment_program *) fp;
- struct intel_context *intel = &brw->intel;
-
- memset(key, 0, sizeof(*key));
-
- /* CACHE_NEW_WM_PROG */
- key->total_grf = brw->wm.prog_data->total_grf;
- key->urb_entry_read_length = brw->wm.prog_data->urb_read_length;
- key->curb_entry_read_length = brw->wm.prog_data->curb_read_length;
- key->dispatch_grf_start_reg = brw->wm.prog_data->first_curbe_grf;
- key->total_scratch = ALIGN(brw->wm.prog_data->total_scratch, 1024);
-
- /* BRW_NEW_URB_FENCE */
- key->urb_size = brw->urb.vsize;
-
- /* BRW_NEW_CURBE_OFFSETS */
- key->curbe_offset = brw->curbe.wm_start;
-
- /* BRW_NEW_NR_SURFACEs */
- key->nr_surfaces = brw->wm.nr_surfaces;
-
- /* CACHE_NEW_SAMPLER */
- key->sampler_count = brw->wm.sampler_count;
-
- /* _NEW_POLYGONSTIPPLE */
- key->polygon_stipple = ctx->Polygon.StippleFlag;
-
- /* BRW_NEW_FRAGMENT_PROGRAM */
- key->uses_depth = (fp->Base.InputsRead & (1 << FRAG_ATTRIB_WPOS)) != 0;
-
- /* as far as we can tell */
- key->computes_depth =
- (fp->Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) != 0;
- /* BRW_NEW_DEPTH_BUFFER
- * Override for NULL depthbuffer case, required by the Pixel Shader Computed
- * Depth field.
- */
- if (brw->state.depth_region == NULL)
- key->computes_depth = 0;
-
- /* _NEW_COLOR */
- key->uses_kill = fp->UsesKill || ctx->Color.AlphaEnabled;
- key->is_glsl = bfp->isGLSL;
-
- /* temporary sanity check assertion */
- ASSERT(bfp->isGLSL == brw_wm_is_glsl(fp));
-
- /* _NEW_DEPTH */
- key->stats_wm = intel->stats_wm;
-
- /* _NEW_LINE */
- key->line_stipple = ctx->Line.StippleFlag;
+ int i;
+
+ /* _NEW_BUFFERS */
+ for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) {
+ struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[i];
+
+ /* _NEW_COLOR */
+ if (rb &&
+ (fp->Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_COLOR) ||
+ fp->Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DATA0 + i)) &&
+ (ctx->Color.ColorMask[i][0] ||
+ ctx->Color.ColorMask[i][1] ||
+ ctx->Color.ColorMask[i][2] ||
+ ctx->Color.ColorMask[i][3])) {
+ return true;
+ }
+ }
- /* _NEW_POLYGON */
- key->offset_enable = ctx->Polygon.OffsetFill;
- key->offset_units = ctx->Polygon.OffsetUnits;
- key->offset_factor = ctx->Polygon.OffsetFactor;
+ return false;
}
/**
* Setup wm hardware state. See page 225 of Volume 2
*/
-static dri_bo *
-wm_unit_create_from_key(struct brw_context *brw, struct brw_wm_unit_key *key,
- dri_bo **reloc_bufs)
+static void
+brw_upload_wm_unit(struct brw_context *brw)
{
- struct intel_context *intel = &brw->intel;
- struct brw_wm_unit_state wm;
- dri_bo *bo;
+ struct gl_context *ctx = &brw->ctx;
+ const struct gl_fragment_program *fp = brw->fragment_program;
+ struct brw_wm_unit_state *wm;
- memset(&wm, 0, sizeof(wm));
+ wm = brw_state_batch(brw, AUB_TRACE_WM_STATE,
+ sizeof(*wm), 32, &brw->wm.base.state_offset);
+ memset(wm, 0, sizeof(*wm));
- wm.thread0.grf_reg_count = ALIGN(key->total_grf, 16) / 16 - 1;
- wm.thread0.kernel_start_pointer = brw->wm.prog_bo->offset >> 6; /* reloc */
- wm.thread1.depth_coef_urb_read_offset = 1;
- wm.thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
+ if (brw->wm.prog_data->prog_offset_16) {
+ /* These two fields should be the same pre-gen6, which is why we
+ * only have one hardware field to program for both dispatch
+ * widths.
+ */
+ assert(brw->wm.prog_data->first_curbe_grf ==
+ brw->wm.prog_data->first_curbe_grf_16);
+ }
- if (intel->is_ironlake)
- wm.thread1.binding_table_entry_count = 0; /* hardware requirement */
+ /* BRW_NEW_PROGRAM_CACHE | CACHE_NEW_WM_PROG */
+ wm->thread0.grf_reg_count = brw->wm.prog_data->reg_blocks;
+ wm->wm9.grf_reg_count_2 = brw->wm.prog_data->reg_blocks_16;
+
+ wm->thread0.kernel_start_pointer =
+ brw_program_reloc(brw,
+ brw->wm.base.state_offset +
+ offsetof(struct brw_wm_unit_state, thread0),
+ brw->wm.base.prog_offset +
+ (wm->thread0.grf_reg_count << 1)) >> 6;
+
+ wm->wm9.kernel_start_pointer_2 =
+ brw_program_reloc(brw,
+ brw->wm.base.state_offset +
+ offsetof(struct brw_wm_unit_state, wm9),
+ brw->wm.base.prog_offset +
+ brw->wm.prog_data->prog_offset_16 +
+ (wm->wm9.grf_reg_count_2 << 1)) >> 6;
+
+ wm->thread1.depth_coef_urb_read_offset = 1;
+ /* 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)
+ wm->thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
else
- wm.thread1.binding_table_entry_count = key->nr_surfaces;
+ wm->thread1.floating_point_mode = BRW_FLOATING_POINT_IEEE_754;
+
+ wm->thread1.binding_table_entry_count =
+ brw->wm.prog_data->base.binding_table.size_bytes / 4;
- if (key->total_scratch != 0) {
- wm.thread2.scratch_space_base_pointer =
- brw->wm.scratch_bo->offset >> 10; /* reloc */
- wm.thread2.per_thread_scratch_space = key->total_scratch / 1024 - 1;
+ if (brw->wm.prog_data->total_scratch != 0) {
+ wm->thread2.scratch_space_base_pointer =
+ brw->wm.base.scratch_bo->offset64 >> 10; /* reloc */
+ wm->thread2.per_thread_scratch_space =
+ ffs(brw->wm.prog_data->total_scratch) - 11;
} else {
- wm.thread2.scratch_space_base_pointer = 0;
- wm.thread2.per_thread_scratch_space = 0;
+ wm->thread2.scratch_space_base_pointer = 0;
+ wm->thread2.per_thread_scratch_space = 0;
}
- wm.thread3.dispatch_grf_start_reg = key->dispatch_grf_start_reg;
- wm.thread3.urb_entry_read_length = key->urb_entry_read_length;
- wm.thread3.urb_entry_read_offset = 0;
- wm.thread3.const_urb_entry_read_length = key->curb_entry_read_length;
- wm.thread3.const_urb_entry_read_offset = key->curbe_offset * 2;
+ wm->thread3.dispatch_grf_start_reg = brw->wm.prog_data->first_curbe_grf;
+ wm->thread3.urb_entry_read_length =
+ brw->wm.prog_data->num_varying_inputs * 2;
+ wm->thread3.urb_entry_read_offset = 0;
+ wm->thread3.const_urb_entry_read_length =
+ brw->wm.prog_data->curb_read_length;
+ /* BRW_NEW_CURBE_OFFSETS */
+ wm->thread3.const_urb_entry_read_offset = brw->curbe.wm_start * 2;
- if (intel->is_ironlake)
- wm.wm4.sampler_count = 0; /* hardware requirement */
- else
- wm.wm4.sampler_count = (key->sampler_count + 1) / 4;
+ if (brw->gen == 5)
+ wm->wm4.sampler_count = 0; /* hardware requirement */
+ else {
+ /* CACHE_NEW_SAMPLER */
+ wm->wm4.sampler_count = (brw->wm.base.sampler_count + 1) / 4;
+ }
- if (brw->wm.sampler_bo != NULL) {
+ if (brw->wm.base.sampler_count) {
/* reloc */
- wm.wm4.sampler_state_pointer = brw->wm.sampler_bo->offset >> 5;
+ wm->wm4.sampler_state_pointer = (brw->batch.bo->offset64 +
+ brw->wm.base.sampler_offset) >> 5;
} else {
- wm.wm4.sampler_state_pointer = 0;
+ wm->wm4.sampler_state_pointer = 0;
}
- wm.wm5.program_uses_depth = key->uses_depth;
- wm.wm5.program_computes_depth = key->computes_depth;
- wm.wm5.program_uses_killpixel = key->uses_kill;
+ /* BRW_NEW_FRAGMENT_PROGRAM */
+ wm->wm5.program_uses_depth = (fp->Base.InputsRead &
+ (1 << VARYING_SLOT_POS)) != 0;
+ wm->wm5.program_computes_depth = (fp->Base.OutputsWritten &
+ BITFIELD64_BIT(FRAG_RESULT_DEPTH)) != 0;
+ /* _NEW_BUFFERS
+ * Override for NULL depthbuffer case, required by the Pixel Shader Computed
+ * Depth field.
+ */
+ if (!intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_DEPTH))
+ wm->wm5.program_computes_depth = 0;
- if (key->is_glsl)
- wm.wm5.enable_8_pix = 1;
- else
- wm.wm5.enable_16_pix = 1;
+ /* _NEW_COLOR */
+ wm->wm5.program_uses_killpixel = fp->UsesKill || ctx->Color.AlphaEnabled;
+
+ wm->wm5.enable_8_pix = 1;
+ if (brw->wm.prog_data->prog_offset_16)
+ wm->wm5.enable_16_pix = 1;
+
+ wm->wm5.max_threads = brw->max_wm_threads - 1;
+
+ /* _NEW_BUFFERS | _NEW_COLOR */
+ if (brw_color_buffer_write_enabled(brw) ||
+ wm->wm5.program_uses_killpixel ||
+ wm->wm5.program_computes_depth) {
+ wm->wm5.thread_dispatch_enable = 1;
+ }
- wm.wm5.max_threads = brw->wm_max_threads - 1;
- wm.wm5.thread_dispatch_enable = 1; /* AKA: color_write */
- wm.wm5.legacy_line_rast = 0;
- wm.wm5.legacy_global_depth_bias = 0;
- wm.wm5.early_depth_test = 1; /* never need to disable */
- wm.wm5.line_aa_region_width = 0;
- wm.wm5.line_endcap_aa_region_width = 1;
+ wm->wm5.legacy_line_rast = 0;
+ wm->wm5.legacy_global_depth_bias = 0;
+ wm->wm5.early_depth_test = 1; /* never need to disable */
+ wm->wm5.line_aa_region_width = 0;
+ wm->wm5.line_endcap_aa_region_width = 1;
- wm.wm5.polygon_stipple = key->polygon_stipple;
+ /* _NEW_POLYGONSTIPPLE */
+ wm->wm5.polygon_stipple = ctx->Polygon.StippleFlag;
- if (key->offset_enable) {
- wm.wm5.depth_offset = 1;
+ /* _NEW_POLYGON */
+ if (ctx->Polygon.OffsetFill) {
+ wm->wm5.depth_offset = 1;
/* Something wierd going on with legacy_global_depth_bias,
* offset_constant, scaling and MRD. This value passes glean
* but gives some odd results elsewere (eg. the
* quad-offset-units test).
*/
- wm.global_depth_offset_constant = key->offset_units * 2;
+ wm->global_depth_offset_constant = ctx->Polygon.OffsetUnits * 2;
/* This is the only value that passes glean:
*/
- wm.global_depth_offset_scale = key->offset_factor;
+ wm->global_depth_offset_scale = ctx->Polygon.OffsetFactor;
}
- wm.wm5.line_stipple = key->line_stipple;
-
- if (INTEL_DEBUG & DEBUG_STATS || key->stats_wm)
- wm.wm4.stats_enable = 1;
-
- bo = brw_upload_cache(&brw->cache, BRW_WM_UNIT,
- key, sizeof(*key),
- reloc_bufs, 3,
- &wm, sizeof(wm));
+ /* _NEW_LINE */
+ wm->wm5.line_stipple = ctx->Line.StippleFlag;
- /* Emit WM program relocation */
- dri_bo_emit_reloc(bo,
- I915_GEM_DOMAIN_INSTRUCTION, 0,
- wm.thread0.grf_reg_count << 1,
- offsetof(struct brw_wm_unit_state, thread0),
- brw->wm.prog_bo);
+ /* BRW_NEW_STATS_WM */
+ if (unlikely(INTEL_DEBUG & DEBUG_STATS) || brw->stats_wm)
+ wm->wm4.stats_enable = 1;
/* Emit scratch space relocation */
- if (key->total_scratch != 0) {
- dri_bo_emit_reloc(bo,
- 0, 0,
- wm.thread2.per_thread_scratch_space,
- offsetof(struct brw_wm_unit_state, thread2),
- brw->wm.scratch_bo);
+ if (brw->wm.prog_data->total_scratch != 0) {
+ drm_intel_bo_emit_reloc(brw->batch.bo,
+ brw->wm.base.state_offset +
+ offsetof(struct brw_wm_unit_state, thread2),
+ brw->wm.base.scratch_bo,
+ wm->thread2.per_thread_scratch_space,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER);
}
/* Emit sampler state relocation */
- if (key->sampler_count != 0) {
- dri_bo_emit_reloc(bo,
- I915_GEM_DOMAIN_INSTRUCTION, 0,
- wm.wm4.stats_enable | (wm.wm4.sampler_count << 2),
- offsetof(struct brw_wm_unit_state, wm4),
- brw->wm.sampler_bo);
+ if (brw->wm.base.sampler_count != 0) {
+ drm_intel_bo_emit_reloc(brw->batch.bo,
+ brw->wm.base.state_offset +
+ offsetof(struct brw_wm_unit_state, wm4),
+ brw->batch.bo, (brw->wm.base.sampler_offset |
+ wm->wm4.stats_enable |
+ (wm->wm4.sampler_count << 2)),
+ I915_GEM_DOMAIN_INSTRUCTION, 0);
}
- return bo;
-}
-
-
-static void upload_wm_unit( struct brw_context *brw )
-{
- struct intel_context *intel = &brw->intel;
- struct brw_wm_unit_key key;
- dri_bo *reloc_bufs[3];
- wm_unit_populate_key(brw, &key);
-
- /* Allocate the necessary scratch space if we haven't already. Don't
- * bother reducing the allocation later, since we use scratch so
- * rarely.
- */
- assert(key.total_scratch <= 12 * 1024);
- if (key.total_scratch) {
- GLuint total = key.total_scratch * brw->wm_max_threads;
-
- if (brw->wm.scratch_bo && total > brw->wm.scratch_bo->size) {
- dri_bo_unreference(brw->wm.scratch_bo);
- brw->wm.scratch_bo = NULL;
- }
- if (brw->wm.scratch_bo == NULL) {
- brw->wm.scratch_bo = dri_bo_alloc(intel->bufmgr,
- "wm scratch",
- total,
- 4096);
- }
- }
-
- reloc_bufs[0] = brw->wm.prog_bo;
- reloc_bufs[1] = brw->wm.scratch_bo;
- reloc_bufs[2] = brw->wm.sampler_bo;
-
- dri_bo_unreference(brw->wm.state_bo);
- brw->wm.state_bo = brw_search_cache(&brw->cache, BRW_WM_UNIT,
- &key, sizeof(key),
- reloc_bufs, 3,
- NULL);
- if (brw->wm.state_bo == NULL) {
- brw->wm.state_bo = wm_unit_create_from_key(brw, &key, reloc_bufs);
- }
+ brw->state.dirty.cache |= CACHE_NEW_WM_UNIT;
}
const struct brw_tracked_state brw_wm_unit = {
.dirty = {
- .mesa = (_NEW_POLYGON |
- _NEW_POLYGONSTIPPLE |
- _NEW_LINE |
+ .mesa = (_NEW_POLYGON |
+ _NEW_POLYGONSTIPPLE |
+ _NEW_LINE |
_NEW_COLOR |
- _NEW_DEPTH),
+ _NEW_BUFFERS),
- .brw = (BRW_NEW_FRAGMENT_PROGRAM |
+ .brw = (BRW_NEW_BATCH |
+ BRW_NEW_PROGRAM_CACHE |
+ BRW_NEW_FRAGMENT_PROGRAM |
BRW_NEW_CURBE_OFFSETS |
- BRW_NEW_DEPTH_BUFFER |
- BRW_NEW_NR_WM_SURFACES),
+ BRW_NEW_STATS_WM),
.cache = (CACHE_NEW_WM_PROG |
CACHE_NEW_SAMPLER)
},
- .prepare = upload_wm_unit,
+ .emit = brw_upload_wm_unit,
};
projects / mesa.git / blobdiff