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i965: Move some gen4 WM defines to brw_compiler.h

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These go in wm_prog_key so they're part of the compiler interface.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
This commit is contained in:
Jason Ekstrand 2017-02-28 16:33:49 -08:00
parent 34ede38194
commit 8123402fd1
4 changed files with 46 additions and 42 deletions
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24
src/mesa/drivers/dri/i965/brw_compiler.h
View file

@ -247,8 +247,30 @@ struct brw_gs_prog_key
struct brw_sampler_prog_key_data tex;
};
/* A big lookup table is used to figure out which and how many
* additional regs will inserted before the main payload in the WM
* program execution. These mainly relate to depth and stencil
* processing and the early-depth-test optimization.
*/
enum brw_wm_iz_bits {
BRW_WM_IZ_PS_KILL_ALPHATEST_BIT = 0x1,
BRW_WM_IZ_PS_COMPUTES_DEPTH_BIT = 0x2,
BRW_WM_IZ_DEPTH_WRITE_ENABLE_BIT = 0x4,
BRW_WM_IZ_DEPTH_TEST_ENABLE_BIT = 0x8,
BRW_WM_IZ_STENCIL_WRITE_ENABLE_BIT = 0x10,
BRW_WM_IZ_STENCIL_TEST_ENABLE_BIT = 0x20,
BRW_WM_IZ_BIT_MAX = 0x40
};
enum brw_wm_aa_enable {
BRW_WM_AA_NEVER,
BRW_WM_AA_SOMETIMES,
BRW_WM_AA_ALWAYS
};
/** The program key for Fragment/Pixel Shaders. */
struct brw_wm_prog_key {
/* Some collection of BRW_WM_IZ_* */
uint8_t iz_lookup;
bool stats_wm:1;
bool flat_shade:1;
@ -257,7 +279,7 @@ struct brw_wm_prog_key {
bool clamp_fragment_color:1;
bool persample_interp:1;
bool multisample_fbo:1;
unsigned line_aa:2;
enum brw_wm_aa_enable line_aa:2;
bool high_quality_derivatives:1;
bool force_dual_color_blend:1;
bool coherent_fb_fetch:1;

32
src/mesa/drivers/dri/i965/brw_wm.c
View file

@ -457,53 +457,53 @@ brw_wm_populate_key(struct brw_context *brw, struct brw_wm_prog_key *key)
if (brw->gen < 6) {
/* _NEW_COLOR */
if (prog->info.fs.uses_discard || ctx->Color.AlphaEnabled) {
lookup |= IZ_PS_KILL_ALPHATEST_BIT;
lookup |= BRW_WM_IZ_PS_KILL_ALPHATEST_BIT;
}
if (prog->info.outputs_written & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
lookup |= IZ_PS_COMPUTES_DEPTH_BIT;
lookup |= BRW_WM_IZ_PS_COMPUTES_DEPTH_BIT;
}
/* _NEW_DEPTH */
if (ctx->Depth.Test)
lookup |= IZ_DEPTH_TEST_ENABLE_BIT;
lookup |= BRW_WM_IZ_DEPTH_TEST_ENABLE_BIT;
if (brw_depth_writes_enabled(brw))
lookup |= IZ_DEPTH_WRITE_ENABLE_BIT;
lookup |= BRW_WM_IZ_DEPTH_WRITE_ENABLE_BIT;
/* _NEW_STENCIL | _NEW_BUFFERS */
if (ctx->Stencil._Enabled) {
lookup |= IZ_STENCIL_TEST_ENABLE_BIT;
lookup |= BRW_WM_IZ_STENCIL_TEST_ENABLE_BIT;
if (ctx->Stencil.WriteMask[0] ||
ctx->Stencil.WriteMask[ctx->Stencil._BackFace])
lookup |= IZ_STENCIL_WRITE_ENABLE_BIT;
lookup |= BRW_WM_IZ_STENCIL_WRITE_ENABLE_BIT;
}
key->iz_lookup = lookup;
}
line_aa = AA_NEVER;
line_aa = BRW_WM_AA_NEVER;
/* _NEW_LINE, _NEW_POLYGON, BRW_NEW_REDUCED_PRIMITIVE */
if (ctx->Line.SmoothFlag) {
if (brw->reduced_primitive == GL_LINES) {
line_aa = AA_ALWAYS;
line_aa = BRW_WM_AA_ALWAYS;
}
else if (brw->reduced_primitive == GL_TRIANGLES) {
if (ctx->Polygon.FrontMode == GL_LINE) {
line_aa = AA_SOMETIMES;
line_aa = BRW_WM_AA_SOMETIMES;
if (ctx->Polygon.BackMode == GL_LINE ||
(ctx->Polygon.CullFlag &&
ctx->Polygon.CullFaceMode == GL_BACK))
line_aa = AA_ALWAYS;
line_aa = BRW_WM_AA_ALWAYS;
}
else if (ctx->Polygon.BackMode == GL_LINE) {
line_aa = AA_SOMETIMES;
line_aa = BRW_WM_AA_SOMETIMES;
if ((ctx->Polygon.CullFlag &&
ctx->Polygon.CullFaceMode == GL_FRONT))
line_aa = AA_ALWAYS;
line_aa = BRW_WM_AA_ALWAYS;
}
}
}
@ -610,14 +610,14 @@ brw_fs_precompile(struct gl_context *ctx, struct gl_program *prog)
if (brw->gen < 6) {
if (prog->info.fs.uses_discard)
key.iz_lookup |= IZ_PS_KILL_ALPHATEST_BIT;
key.iz_lookup |= BRW_WM_IZ_PS_KILL_ALPHATEST_BIT;
if (outputs_written & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
key.iz_lookup |= IZ_PS_COMPUTES_DEPTH_BIT;
key.iz_lookup |= BRW_WM_IZ_PS_COMPUTES_DEPTH_BIT;
/* Just assume depth testing. */
key.iz_lookup |= IZ_DEPTH_TEST_ENABLE_BIT;
key.iz_lookup |= IZ_DEPTH_WRITE_ENABLE_BIT;
key.iz_lookup |= BRW_WM_IZ_DEPTH_TEST_ENABLE_BIT;
key.iz_lookup |= BRW_WM_IZ_DEPTH_WRITE_ENABLE_BIT;
}
if (brw->gen < 6 || _mesa_bitcount_64(prog->info.inputs_read &

17
src/mesa/drivers/dri/i965/brw_wm.h
View file

@ -38,23 +38,6 @@
#include "brw_context.h"
#include "brw_eu.h"
/* A big lookup table is used to figure out which and how many
* additional regs will inserted before the main payload in the WM
* program execution. These mainly relate to depth and stencil
* processing and the early-depth-test optimization.
*/
#define IZ_PS_KILL_ALPHATEST_BIT 0x1
#define IZ_PS_COMPUTES_DEPTH_BIT 0x2
#define IZ_DEPTH_WRITE_ENABLE_BIT 0x4
#define IZ_DEPTH_TEST_ENABLE_BIT 0x8
#define IZ_STENCIL_WRITE_ENABLE_BIT 0x10
#define IZ_STENCIL_TEST_ENABLE_BIT 0x20
#define IZ_BIT_MAX 0x40
#define AA_NEVER 0
#define AA_SOMETIMES 1
#define AA_ALWAYS 2
#ifdef __cplusplus
extern "C" {
#endif

15
src/mesa/drivers/dri/i965/brw_wm_iz.cpp
View file

@ -31,7 +31,6 @@
#include "brw_fs.h"
#include "brw_wm.h"
#undef P /* prompted depth */
@ -48,7 +47,7 @@ static const struct {
GLuint sd_to_rt:1;
GLuint dd_present:1;
GLuint ds_present:1;
} wm_iz_table[IZ_BIT_MAX] =
} wm_iz_table[BRW_WM_IZ_BIT_MAX] =
{
{ P, 0, 0, 0, 0 },
{ P, 0, 0, 0, 0 },
@ -117,8 +116,8 @@ static const struct {
};
/**
* \param line_aa AA_NEVER, AA_ALWAYS or AA_SOMETIMES
* \param lookup bitmask of IZ_* flags
* \param line_aa BRW_WM_AA_NEVER, BRW_WM_AA_ALWAYS or BRW_WM_AA_SOMETIMES
* \param lookup bitmask of BRW_WM_IZ_* flags
*/
void fs_visitor::setup_fs_payload_gen4()
{
@ -129,7 +128,7 @@ void fs_visitor::setup_fs_payload_gen4()
bool kill_stats_promoted_workaround = false;
int lookup = key->iz_lookup;
assert(lookup < IZ_BIT_MAX);
assert(lookup < BRW_WM_IZ_BIT_MAX);
/* Crazy workaround in the windowizer, which we need to track in
* our register allocation and render target writes. See the "If
@ -137,7 +136,7 @@ void fs_visitor::setup_fs_payload_gen4()
* Test Cases [Pre-DevGT] of the 3D Pipeline - Windower B-Spec.
*/
if (key->stats_wm &&
(lookup & IZ_PS_KILL_ALPHATEST_BIT) &&
(lookup & BRW_WM_IZ_PS_KILL_ALPHATEST_BIT) &&
wm_iz_table[lookup].mode == P) {
kill_stats_promoted_workaround = true;
}
@ -153,10 +152,10 @@ void fs_visitor::setup_fs_payload_gen4()
if (wm_iz_table[lookup].sd_to_rt || kill_stats_promoted_workaround)
source_depth_to_render_target = true;
if (wm_iz_table[lookup].ds_present || key->line_aa != AA_NEVER) {
if (wm_iz_table[lookup].ds_present || key->line_aa != BRW_WM_AA_NEVER) {
payload.aa_dest_stencil_reg = reg;
runtime_check_aads_emit =
!wm_iz_table[lookup].ds_present && key->line_aa == AA_SOMETIMES;
!wm_iz_table[lookup].ds_present && key->line_aa == BRW_WM_AA_SOMETIMES;
reg++;
}