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r600g: Pass conservative depth parameters to hw

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Supported on R700 and up.

Signed-off-by: Glenn Kennard <glenn.kennard@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Glenn Kennard
2015-10-17 00:52:39 +02:00
committed by Dave Airlie
parent de51676b41
commit a1fc78911e
6 changed files with 46 additions and 0 deletions
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13
src/gallium/drivers/r600/evergreen_state.c
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@@ -2940,6 +2940,19 @@ void evergreen_update_ps_state(struct pipe_context *ctx, struct r600_pipe_shader
db_shader_control |= S_02880C_STENCIL_EXPORT_ENABLE(stencil_export);
db_shader_control |= S_02880C_MASK_EXPORT_ENABLE(mask_export);
switch (rshader->ps_conservative_z) {
default: /* fall through */
case TGSI_FS_DEPTH_LAYOUT_ANY:
db_shader_control |= S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_ANY_Z);
break;
case TGSI_FS_DEPTH_LAYOUT_GREATER:
db_shader_control |= S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_GREATER_THAN_Z);
break;
case TGSI_FS_DEPTH_LAYOUT_LESS:
db_shader_control |= S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_LESS_THAN_Z);
break;
}
exports_ps = 0;
for (i = 0; i < rshader->noutput; i++) {
if (rshader->output[i].name == TGSI_SEMANTIC_POSITION ||

7
src/gallium/drivers/r600/evergreend.h
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@@ -815,6 +815,13 @@
#define V_02880C_EXPORT_DB_FOUR16 0x01
#define V_02880C_EXPORT_DB_TWO 0x02
#define S_02880C_ALPHA_TO_MASK_DISABLE(x) (((x) & 0x1) << 12)
#define S_02880C_CONSERVATIVE_Z_EXPORT(x) (((x) & 0x03) << 16)
#define G_02880C_CONSERVATIVE_Z_EXPORT(x) (((x) >> 16) & 0x03)
#define C_02880C_CONSERVATIVE_Z_EXPORT 0xFFFCFFFF
#define V_02880C_EXPORT_ANY_Z 0
#define V_02880C_EXPORT_LESS_THAN_Z 1
#define V_02880C_EXPORT_GREATER_THAN_Z 2
#define V_02880C_EXPORT_RESERVED 3
#define R_028A00_PA_SU_POINT_SIZE 0x028A00
#define S_028A00_HEIGHT(x) (((x) & 0xFFFF) << 0)

1
src/gallium/drivers/r600/r600_shader.c
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@@ -2044,6 +2044,7 @@ static int r600_shader_from_tgsi(struct r600_context *rctx,
shader->fs_write_all = ctx.info.properties[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS];
shader->vs_position_window_space = ctx.info.properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION];
shader->ps_conservative_z = ctx.info.properties[TGSI_PROPERTY_FS_DEPTH_LAYOUT];
if (shader->vs_as_gs_a)
vs_add_primid_output(&ctx, key.vs.prim_id_out);

2
src/gallium/drivers/r600/r600_shader.h
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@@ -76,6 +76,8 @@ struct r600_shader {
boolean uses_tex_buffers;
boolean gs_prim_id_input;
unsigned ps_conservative_z;
/* Size in bytes of a data item in the ring(s) (single vertex data).
Stages with only one ring items 123 will be set to 0. */
unsigned ring_item_sizes[4];

15
src/gallium/drivers/r600/r600_state.c
View File

@@ -2533,6 +2533,21 @@ void r600_update_ps_state(struct pipe_context *ctx, struct r600_pipe_shader *sha
if (rshader->uses_kill)
db_shader_control |= S_02880C_KILL_ENABLE(1);
if (rctx->b.chip_class >= R700) {
switch (rshader->ps_conservative_z) {
default: /* fall through */
case TGSI_FS_DEPTH_LAYOUT_ANY:
db_shader_control |= S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_ANY_Z);
break;
case TGSI_FS_DEPTH_LAYOUT_GREATER:
db_shader_control |= S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_GREATER_THAN_Z);
break;
case TGSI_FS_DEPTH_LAYOUT_LESS:
db_shader_control |= S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_LESS_THAN_Z);
break;
}
}
exports_ps = 0;
for (i = 0; i < rshader->noutput; i++) {
if (rshader->output[i].name == TGSI_SEMANTIC_POSITION ||

8
src/gallium/drivers/r600/r600d.h
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@@ -853,6 +853,14 @@
#define S_02880C_DUAL_EXPORT_ENABLE(x) (((x) & 0x1) << 9)
#define G_02880C_DUAL_EXPORT_ENABLE(x) (((x) >> 9) & 0x1)
#define C_02880C_DUAL_EXPORT_ENABLE 0xFFFFFDFF
#define S_02880C_CONSERVATIVE_Z_EXPORT(x) (((x) & 0x03) << 13)
#define G_02880C_CONSERVATIVE_Z_EXPORT(x) (((x) >> 13) & 0x03)
#define C_02880C_CONSERVATIVE_Z_EXPORT 0xFFFF9FFF
#define V_02880C_EXPORT_ANY_Z 0
#define V_02880C_EXPORT_LESS_THAN_Z 1
#define V_02880C_EXPORT_GREATER_THAN_Z 2
#define V_02880C_EXPORT_RESERVED 3
#define R_028DF8_PA_SU_POLY_OFFSET_DB_FMT_CNTL 0x028DF8
#define S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS(x) (((x) & 0xFF) << 0)
#define G_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS(x) (((x) >> 0) & 0xFF)