[Mesa-dev] [PATCH 46/53] st/nine: Remove unused code for ps

[Axel Davy]

Since constant indirect adressing is not allowed for ps,
we can remove our code to handle that.

Signed-off-by: Axel Davy <axel.davy at ens.fr>
Cc: "10.4" <mesa-stable at lists.freedesktop.org>
---
 src/gallium/state_trackers/nine/nine_state.c   | 43 +++++++-------------------
 src/gallium/state_trackers/nine/pixelshader9.c | 10 +++---
 src/gallium/state_trackers/nine/pixelshader9.h |  2 --
 3 files changed, 15 insertions(+), 40 deletions(-)

diff --git a/src/gallium/state_trackers/nine/nine_state.c b/src/gallium/state_trackers/nine/nine_state.c
index 00da62b..870b1b0 100644
--- a/src/gallium/state_trackers/nine/nine_state.c
+++ b/src/gallium/state_trackers/nine/nine_state.c
@@ -352,8 +352,8 @@ update_constants(struct NineDevice9 *device, unsigned shader_type)
     const unsigned usage = PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_RANGE;
     unsigned x = 0; /* silence warning */
     unsigned i, c, n;
-    const struct nine_lconstf *lconstf;
-    struct nine_range *r, *p;
+    struct nine_range *r, *p, *lconstf_ranges;
+    float *lconstf_data;
 
     box.y = 0;
     box.z = 0;
@@ -381,7 +381,9 @@ update_constants(struct NineDevice9 *device, unsigned shader_type)
         device->state.changed.vs_const_b = 0;
         const_b = device->state.vs_const_b;
 
-        lconstf = &device->state.vs->lconstf;
+        lconstf_ranges = device->state.vs->lconstf.ranges;
+        lconstf_data = device->state.vs->lconstf.data;
+
         device->state.ff.clobber.vs_const = TRUE;
         device->state.changed.group &= ~NINE_STATE_VS_CONST;
     } else {
@@ -405,7 +407,9 @@ update_constants(struct NineDevice9 *device, unsigned shader_type)
         device->state.changed.ps_const_b = 0;
         const_b = device->state.ps_const_b;
 
-        lconstf = &device->state.ps->lconstf;
+        lconstf_ranges = NULL;
+        lconstf_data = NULL;
+
         device->state.ff.clobber.ps_const = TRUE;
         device->state.changed.group &= ~NINE_STATE_PS_CONST;
     }
@@ -452,14 +456,14 @@ update_constants(struct NineDevice9 *device, unsigned shader_type)
     }
 
     /* TODO: only upload these when shader itself changes */
-    if (lconstf->ranges) {
+    if (lconstf_ranges) {
         unsigned n = 0;
-        struct nine_range *r = lconstf->ranges;
+        struct nine_range *r = lconstf_ranges;
         while (r) {
             box.x = r->bgn * 4 * sizeof(float);
             n += r->end - r->bgn;
             box.width = (r->end - r->bgn) * 4 * sizeof(float);
-            data = &lconstf->data[4 * n];
+            data = &lconstf_data[4 * n];
             pipe->transfer_inline_write(pipe, buf, 0, usage, &box, data, 0, 0);
             r = r->next;
         }
@@ -556,33 +560,8 @@ update_ps_constants_userbuf(struct NineDevice9 *device)
         state->changed.ps_const_b = 0;
     }
 
-#ifdef DEBUG
-    if (device->state.ps->lconstf.ranges) {
-        /* TODO: Can we make it so that we don't have to copy everything ? */
-        const struct nine_lconstf *lconstf =  &device->state.ps->lconstf;
-        const struct nine_range *r = lconstf->ranges;
-        unsigned n = 0;
-        float *dst = (float *)MALLOC(cb.buffer_size);
-        float *src = (float *)cb.user_buffer;
-        memcpy(dst, src, cb.buffer_size);
-        while (r) {
-            unsigned p = r->bgn;
-            unsigned c = r->end - r->bgn;
-            memcpy(&dst[p * 4], &lconstf->data[n * 4], c * 4 * sizeof(float));
-            n += c;
-            r = r->next;
-        }
-        cb.user_buffer = dst;
-    }
-#endif
-
     pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, 0, &cb);
 
-#ifdef DEBUG
-    if (device->state.ps->lconstf.ranges)
-        FREE((void *)cb.user_buffer);
-#endif
-
     if (device->state.changed.ps_const_f) {
         struct nine_range *r = device->state.changed.ps_const_f;
         struct nine_range *p = r;
diff --git a/src/gallium/state_trackers/nine/pixelshader9.c b/src/gallium/state_trackers/nine/pixelshader9.c
index ac204ff..dcd2346 100644
--- a/src/gallium/state_trackers/nine/pixelshader9.c
+++ b/src/gallium/state_trackers/nine/pixelshader9.c
@@ -72,9 +72,10 @@ NinePixelShader9_ctor( struct NinePixelShader9 *This,
     This->sampler_mask = info.sampler_mask;
     This->rt_mask = info.rt_mask;
     This->const_used_size = info.const_used_size;
-    if (info.const_used_size == ~0)
-        This->const_used_size = NINE_CONSTBUF_SIZE(device->max_ps_const_f);
-    This->lconstf = info.lconstf;
+    /* no constant relative addressing for ps */
+    assert(info.const_used_size != ~0);
+    assert(info.lconstf.data == NULL);
+    assert(info.lconstf.ranges == NULL);
 
     return D3D_OK;
 }
@@ -100,9 +101,6 @@ NinePixelShader9_dtor( struct NinePixelShader9 *This )
 
     FREE((void *)This->byte_code.tokens); /* const_cast */
 
-    FREE(This->lconstf.data);
-    FREE(This->lconstf.ranges);
-
     NineUnknown_dtor(&This->base);
 }
 
diff --git a/src/gallium/state_trackers/nine/pixelshader9.h b/src/gallium/state_trackers/nine/pixelshader9.h
index 5e00b46..5e2219c 100644
--- a/src/gallium/state_trackers/nine/pixelshader9.h
+++ b/src/gallium/state_trackers/nine/pixelshader9.h
@@ -41,8 +41,6 @@ struct NinePixelShader9
 
     unsigned const_used_size; /* in bytes */
 
-    struct nine_lconstf lconstf;
-
     uint16_t sampler_mask;
     uint16_t sampler_mask_shadow;
     uint8_t rt_mask;
-- 
2.1.3