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ilo: allow ilo_view_surface to skip layer offsetting

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Make offset to layer optional in ilo_gpe_init_view_surface_for_texture.
render_cache_rw is always the same as is_rt and is replaced.
This commit is contained in:
Chia-I Wu 2013-12-20 23:59:34 +08:00
parent 0978a6966a
commit 8d9f5d57e2
4 changed files with 72 additions and 88 deletions
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10
src/gallium/drivers/ilo/ilo_gpe.h
View file

@ -380,7 +380,7 @@ ilo_gpe_init_view_surface_for_texture_gen6(const struct ilo_dev_info *dev,
unsigned num_levels,
unsigned first_layer,
unsigned num_layers,
bool is_rt, bool render_cache_rw,
bool is_rt, bool offset_to_layer,
struct ilo_view_surface *surf);
void
@ -406,7 +406,7 @@ ilo_gpe_init_view_surface_for_texture_gen7(const struct ilo_dev_info *dev,
unsigned num_levels,
unsigned first_layer,
unsigned num_layers,
bool is_rt, bool render_cache_rw,
bool is_rt, bool offset_to_layer,
struct ilo_view_surface *surf);
static inline void
@ -452,18 +452,18 @@ ilo_gpe_init_view_surface_for_texture(const struct ilo_dev_info *dev,
unsigned num_levels,
unsigned first_layer,
unsigned num_layers,
bool is_rt, bool render_cache_rw,
bool is_rt, bool offset_to_layer,
struct ilo_view_surface *surf)
{
if (dev->gen >= ILO_GEN(7)) {
ilo_gpe_init_view_surface_for_texture_gen7(dev, tex, format,
first_level, num_levels, first_layer, num_layers,
is_rt, render_cache_rw, surf);
is_rt, offset_to_layer, surf);
}
else {
ilo_gpe_init_view_surface_for_texture_gen6(dev, tex, format,
first_level, num_levels, first_layer, num_layers,
is_rt, render_cache_rw, surf);
is_rt, offset_to_layer, surf);
}
}

74
src/gallium/drivers/ilo/ilo_gpe_gen6.c
View file

@ -1902,7 +1902,7 @@ ilo_gpe_init_view_surface_for_texture_gen6(const struct ilo_dev_info *dev,
unsigned num_levels,
unsigned first_layer,
unsigned num_layers,
bool is_rt, bool render_cache_rw,
bool is_rt, bool offset_to_layer,
struct ilo_view_surface *surf)
{
int surface_type, surface_format;
@ -1988,52 +1988,44 @@ ilo_gpe_init_view_surface_for_texture_gen6(const struct ilo_dev_info *dev,
assert(tex->interleaved);
if (is_rt) {
/*
* Compute the offset to the layer manually.
*
* For rendering, the hardware requires LOD to be the same for all
* render targets and the depth buffer. We need to compute the offset
* to the layer manually and always set LOD to 0.
*/
if (true) {
/* we lose the capability for layered rendering */
assert(num_layers == 1);
layer_offset = ilo_texture_get_slice_offset(tex,
first_level, first_layer, &x_offset, &y_offset);
assert(x_offset % 4 == 0);
assert(y_offset % 2 == 0);
x_offset /= 4;
y_offset /= 2;
/* derive the size for the LOD */
width = u_minify(width, first_level);
height = u_minify(height, first_level);
if (surface_type == BRW_SURFACE_3D)
depth = u_minify(depth, first_level);
else
depth = 1;
first_level = 0;
first_layer = 0;
lod = 0;
}
else {
layer_offset = 0;
x_offset = 0;
y_offset = 0;
}
assert(num_levels == 1);
lod = first_level;
}
else {
lod = num_levels - 1;
}
/*
* Offset to the layer. When rendering, the hardware requires LOD and
* Depth to be the same for all render targets and the depth buffer. We
* need to offset to the layer manually and always set LOD and Depth to 0.
*/
if (offset_to_layer) {
/* we lose the capability for layered rendering */
assert(is_rt && num_layers == 1);
layer_offset = ilo_texture_get_slice_offset(tex,
first_level, first_layer, &x_offset, &y_offset);
assert(x_offset % 4 == 0);
assert(y_offset % 2 == 0);
x_offset /= 4;
y_offset /= 2;
/* derive the size for the LOD */
width = u_minify(width, first_level);
height = u_minify(height, first_level);
first_level = 0;
first_layer = 0;
lod = 0;
depth = 1;
}
else {
layer_offset = 0;
x_offset = 0;
y_offset = 0;
lod = num_levels - 1;
}
/*
@ -2076,7 +2068,7 @@ ilo_gpe_init_view_surface_for_texture_gen6(const struct ilo_dev_info *dev,
BRW_SURFACE_CUBEFACE_ENABLES;
}
if (render_cache_rw)
if (is_rt)
dw[0] |= BRW_SURFACE_RC_READ_WRITE;
dw[1] = layer_offset;

74
src/gallium/drivers/ilo/ilo_gpe_gen7.c
View file

@ -429,7 +429,7 @@ ilo_gpe_init_view_surface_for_texture_gen7(const struct ilo_dev_info *dev,
unsigned num_levels,
unsigned first_layer,
unsigned num_layers,
bool is_rt, bool render_cache_rw,
bool is_rt, bool offset_to_layer,
struct ilo_view_surface *surf)
{
int surface_type, surface_format;
@ -505,52 +505,44 @@ ilo_gpe_init_view_surface_for_texture_gen7(const struct ilo_dev_info *dev,
}
if (is_rt) {
/*
* Compute the offset to the layer manually.
*
* For rendering, the hardware requires LOD to be the same for all
* render targets and the depth buffer. We need to compute the offset
* to the layer manually and always set LOD to 0.
*/
if (true) {
/* we lose the capability for layered rendering */
assert(num_layers == 1);
layer_offset = ilo_texture_get_slice_offset(tex,
first_level, first_layer, &x_offset, &y_offset);
assert(x_offset % 4 == 0);
assert(y_offset % 2 == 0);
x_offset /= 4;
y_offset /= 2;
/* derive the size for the LOD */
width = u_minify(width, first_level);
height = u_minify(height, first_level);
if (surface_type == BRW_SURFACE_3D)
depth = u_minify(depth, first_level);
else
depth = 1;
first_level = 0;
first_layer = 0;
lod = 0;
}
else {
layer_offset = 0;
x_offset = 0;
y_offset = 0;
}
assert(num_levels == 1);
lod = first_level;
}
else {
lod = num_levels - 1;
}
/*
* Offset to the layer. When rendering, the hardware requires LOD and
* Depth to be the same for all render targets and the depth buffer. We
* need to offset to the layer manually and always set LOD and Depth to 0.
*/
if (offset_to_layer) {
/* we lose the capability for layered rendering */
assert(is_rt && num_layers == 1);
layer_offset = ilo_texture_get_slice_offset(tex,
first_level, first_layer, &x_offset, &y_offset);
assert(x_offset % 4 == 0);
assert(y_offset % 2 == 0);
x_offset /= 4;
y_offset /= 2;
/* derive the size for the LOD */
width = u_minify(width, first_level);
height = u_minify(height, first_level);
first_level = 0;
first_layer = 0;
lod = 0;
depth = 1;
}
else {
layer_offset = 0;
x_offset = 0;
y_offset = 0;
lod = num_levels - 1;
}
/*
@ -622,7 +614,7 @@ ilo_gpe_init_view_surface_for_texture_gen7(const struct ilo_dev_info *dev,
else
dw[0] |= GEN7_SURFACE_ARYSPC_LOD0;
if (render_cache_rw)
if (is_rt)
dw[0] |= BRW_SURFACE_RC_READ_WRITE;
if (surface_type == BRW_SURFACE_CUBE && !is_rt)

2
src/gallium/drivers/ilo/ilo_state.c
View file

@ -943,7 +943,7 @@ ilo_create_sampler_view(struct pipe_context *pipe,
templ->u.tex.last_level - templ->u.tex.first_level + 1,
templ->u.tex.first_layer,
templ->u.tex.last_layer - templ->u.tex.first_layer + 1,
false, false, &view->surface);
false, true, &view->surface);
}
return &view->base;