[Mesa-dev] [PATCH 06/10] nine: assume that user constant buffers are always supported

Marek Olšák maraeo at gmail.com
Wed Jan 10 19:49:30 UTC 2018


From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/state_trackers/nine/device9.c    |   4 -
 src/gallium/state_trackers/nine/device9.h    |   3 -
 src/gallium/state_trackers/nine/nine_ff.c    |  28 +-----
 src/gallium/state_trackers/nine/nine_state.c | 125 +--------------------------
 4 files changed, 4 insertions(+), 156 deletions(-)

diff --git a/src/gallium/state_trackers/nine/device9.c b/src/gallium/state_trackers/nine/device9.c
index 34f903a..127f2ae 100644
--- a/src/gallium/state_trackers/nine/device9.c
+++ b/src/gallium/state_trackers/nine/device9.c
@@ -466,26 +466,22 @@ NineDevice9_ctor( struct NineDevice9 *This,
         samp.compare_mode = PIPE_TEX_COMPARE_NONE;
         samp.compare_func = PIPE_FUNC_LEQUAL;
         samp.normalized_coords = 1;
         samp.seamless_cube_map = 0;
         This->dummy_sampler_state = samp;
     }
 
     /* Allocate upload helper for drivers that suck (from st pov ;). */
 
     This->driver_caps.user_vbufs = GET_PCAP(USER_VERTEX_BUFFERS) && !This->csmt_active;
-    This->driver_caps.user_cbufs = GET_PCAP(USER_CONSTANT_BUFFERS);
     This->driver_caps.user_sw_vbufs = This->screen_sw->get_param(This->screen_sw, PIPE_CAP_USER_VERTEX_BUFFERS);
-    This->driver_caps.user_sw_cbufs = This->screen_sw->get_param(This->screen_sw, PIPE_CAP_USER_CONSTANT_BUFFERS);
     This->vertex_uploader = This->csmt_active ? This->pipe_secondary->stream_uploader : This->context.pipe->stream_uploader;
-    if (!This->driver_caps.user_cbufs)
-        This->constbuf_alignment = GET_PCAP(CONSTANT_BUFFER_OFFSET_ALIGNMENT);
     This->driver_caps.window_space_position_support = GET_PCAP(TGSI_VS_WINDOW_SPACE_POSITION);
     This->driver_caps.vs_integer = pScreen->get_shader_param(pScreen, PIPE_SHADER_VERTEX, PIPE_SHADER_CAP_INTEGERS);
     This->driver_caps.ps_integer = pScreen->get_shader_param(pScreen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_INTEGERS);
     This->driver_caps.offset_units_unscaled = GET_PCAP(POLYGON_OFFSET_UNITS_UNSCALED);
 
     nine_ff_init(This); /* initialize fixed function code */
 
     NineDevice9_SetDefaultState(This, FALSE);
 
     {
diff --git a/src/gallium/state_trackers/nine/device9.h b/src/gallium/state_trackers/nine/device9.h
index c5fd8f7..4cce29a 100644
--- a/src/gallium/state_trackers/nine/device9.h
+++ b/src/gallium/state_trackers/nine/device9.h
@@ -120,35 +120,32 @@ struct NineDevice9
         unsigned h;
         POINT hotspot; /* -1, -1 if no cursor image set */
         POINT pos;
         BOOL visible;
         boolean software;
         void *hw_upload_temp;
     } cursor;
 
     struct {
         boolean user_vbufs;
-        boolean user_cbufs;
         boolean user_sw_vbufs;
-        boolean user_sw_cbufs;
         boolean window_space_position_support;
         boolean vs_integer;
         boolean ps_integer;
         boolean offset_units_unscaled;
     } driver_caps;
 
     struct {
         boolean buggy_barycentrics;
     } driver_bugs;
 
     struct u_upload_mgr *vertex_uploader;
-    unsigned constbuf_alignment;
 
     struct nine_range_pool range_pool;
 
     struct hud_context *hud; /* NULL if hud is disabled */
 
     /* dummy vbo (containing 0 0 0 0) to bind if vertex shader input
      * is not bound to anything by the vertex declaration */
     struct pipe_resource *dummy_vbo;
     BOOL device_needs_reset;
     int minor_version_num;
diff --git a/src/gallium/state_trackers/nine/nine_ff.c b/src/gallium/state_trackers/nine/nine_ff.c
index 39fcb8b..eb673e4 100644
--- a/src/gallium/state_trackers/nine/nine_ff.c
+++ b/src/gallium/state_trackers/nine/nine_ff.c
@@ -2053,57 +2053,33 @@ nine_ff_update(struct NineDevice9 *device)
         nine_ff_load_point_and_fog_params(device);
         nine_ff_load_viewport_info(device);
 
         memset(context->ff.changed.transform, 0, sizeof(context->ff.changed.transform));
 
         cb.buffer_offset = 0;
         cb.buffer = NULL;
         cb.user_buffer = device->ff.vs_const;
         cb.buffer_size = NINE_FF_NUM_VS_CONST * 4 * sizeof(float);
 
-        if (!device->driver_caps.user_cbufs) {
-            context->pipe_data.cb_vs_ff.buffer_size = cb.buffer_size;
-            u_upload_data(device->context.pipe->const_uploader,
-                          0,
-                          cb.buffer_size,
-                          device->constbuf_alignment,
-                          cb.user_buffer,
-                          &context->pipe_data.cb_vs_ff.buffer_offset,
-                          &context->pipe_data.cb_vs_ff.buffer);
-            u_upload_unmap(device->context.pipe->const_uploader);
-            context->pipe_data.cb_vs_ff.user_buffer = NULL;
-        } else
-            context->pipe_data.cb_vs_ff = cb;
+        context->pipe_data.cb_vs_ff = cb;
         context->commit |= NINE_STATE_COMMIT_CONST_VS;
     }
 
     if (!context->ps) {
         nine_ff_load_ps_params(device);
 
         cb.buffer_offset = 0;
         cb.buffer = NULL;
         cb.user_buffer = device->ff.ps_const;
         cb.buffer_size = NINE_FF_NUM_PS_CONST * 4 * sizeof(float);
 
-        if (!device->driver_caps.user_cbufs) {
-            context->pipe_data.cb_ps_ff.buffer_size = cb.buffer_size;
-            u_upload_data(device->context.pipe->const_uploader,
-                          0,
-                          cb.buffer_size,
-                          device->constbuf_alignment,
-                          cb.user_buffer,
-                          &context->pipe_data.cb_ps_ff.buffer_offset,
-                          &context->pipe_data.cb_ps_ff.buffer);
-            u_upload_unmap(device->context.pipe->const_uploader);
-            context->pipe_data.cb_ps_ff.user_buffer = NULL;
-        } else
-            context->pipe_data.cb_ps_ff = cb;
+        context->pipe_data.cb_ps_ff = cb;
         context->commit |= NINE_STATE_COMMIT_CONST_PS;
     }
 
     context->changed.group &= ~NINE_STATE_FF;
 }
 
 
 boolean
 nine_ff_init(struct NineDevice9 *device)
 {
diff --git a/src/gallium/state_trackers/nine/nine_state.c b/src/gallium/state_trackers/nine/nine_state.c
index a9a41af..26b2dea 100644
--- a/src/gallium/state_trackers/nine/nine_state.c
+++ b/src/gallium/state_trackers/nine/nine_state.c
@@ -375,23 +375,20 @@ prepare_vs_constants_userbuf_swvp(struct NineDevice9 *device)
             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;
         }
 
-        /* Do not erase the buffer field.
-         * It is either NULL (user_cbufs), or a resource.
-         * u_upload_data will do the proper refcount */
         context->pipe_data.cb0_swvp.buffer_offset = cb.buffer_offset;
         context->pipe_data.cb0_swvp.buffer_size = cb.buffer_size;
         context->pipe_data.cb0_swvp.user_buffer = cb.user_buffer;
 
         cb.user_buffer = (char *)cb.user_buffer + 4096 * sizeof(float[4]);
         context->pipe_data.cb1_swvp.buffer_offset = cb.buffer_offset;
         context->pipe_data.cb1_swvp.buffer_size = cb.buffer_size;
         context->pipe_data.cb1_swvp.user_buffer = cb.user_buffer;
 
         context->changed.vs_const_f = 0;
@@ -416,66 +413,20 @@ prepare_vs_constants_userbuf_swvp(struct NineDevice9 *device)
         cb.buffer_offset = 0;
         cb.buffer_size = 512 * sizeof(float[4]);
         cb.user_buffer = context->vs_const_b;
 
         context->pipe_data.cb3_swvp.buffer_offset = cb.buffer_offset;
         context->pipe_data.cb3_swvp.buffer_size = cb.buffer_size;
         context->pipe_data.cb3_swvp.user_buffer = cb.user_buffer;
         context->changed.vs_const_b = 0;
     }
 
-    if (!device->driver_caps.user_cbufs) {
-        struct pipe_constant_buffer *cb = &(context->pipe_data.cb0_swvp);
-        u_upload_data(device->context.pipe->const_uploader,
-                      0,
-                      cb->buffer_size,
-                      device->constbuf_alignment,
-                      cb->user_buffer,
-                      &(cb->buffer_offset),
-                      &(cb->buffer));
-        u_upload_unmap(device->context.pipe->const_uploader);
-        cb->user_buffer = NULL;
-
-        cb = &(context->pipe_data.cb1_swvp);
-        u_upload_data(device->context.pipe->const_uploader,
-                      0,
-                      cb->buffer_size,
-                      device->constbuf_alignment,
-                      cb->user_buffer,
-                      &(cb->buffer_offset),
-                      &(cb->buffer));
-        u_upload_unmap(device->context.pipe->const_uploader);
-        cb->user_buffer = NULL;
-
-        cb = &(context->pipe_data.cb2_swvp);
-        u_upload_data(device->context.pipe->const_uploader,
-                      0,
-                      cb->buffer_size,
-                      device->constbuf_alignment,
-                      cb->user_buffer,
-                      &(cb->buffer_offset),
-                      &(cb->buffer));
-        u_upload_unmap(device->context.pipe->const_uploader);
-        cb->user_buffer = NULL;
-
-        cb = &(context->pipe_data.cb3_swvp);
-        u_upload_data(device->context.pipe->const_uploader,
-                      0,
-                      cb->buffer_size,
-                      device->constbuf_alignment,
-                      cb->user_buffer,
-                      &(cb->buffer_offset),
-                      &(cb->buffer));
-        u_upload_unmap(device->context.pipe->const_uploader);
-        cb->user_buffer = NULL;
-    }
-
     context->changed.group &= ~NINE_STATE_VS_CONST;
     context->commit |= NINE_STATE_COMMIT_CONST_VS;
 }
 
 static void
 prepare_vs_constants_userbuf(struct NineDevice9 *device)
 {
     struct nine_context *context = &device->context;
     struct pipe_constant_buffer cb;
     cb.buffer = NULL;
@@ -515,34 +466,21 @@ prepare_vs_constants_userbuf(struct NineDevice9 *device)
         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;
     }
 
-    if (!device->driver_caps.user_cbufs) {
-        context->pipe_data.cb_vs.buffer_size = cb.buffer_size;
-        u_upload_data(device->context.pipe->const_uploader,
-                      0,
-                      cb.buffer_size,
-                      device->constbuf_alignment,
-                      cb.user_buffer,
-                      &context->pipe_data.cb_vs.buffer_offset,
-                      &context->pipe_data.cb_vs.buffer);
-        u_upload_unmap(device->context.pipe->const_uploader);
-        context->pipe_data.cb_vs.user_buffer = NULL;
-    } else
-        context->pipe_data.cb_vs = cb;
-
+    context->pipe_data.cb_vs = cb;
     context->changed.vs_const_f = 0;
 
     context->changed.group &= ~NINE_STATE_VS_CONST;
     context->commit |= NINE_STATE_COMMIT_CONST_VS;
 }
 
 static void
 prepare_ps_constants_userbuf(struct NineDevice9 *device)
 {
     struct nine_context *context = &device->context;
@@ -586,34 +524,21 @@ prepare_ps_constants_userbuf(struct NineDevice9 *device)
             dst[5] = 1.0f / (asfloat(context->rs[D3DRS_FOGEND]) - asfloat(context->rs[D3DRS_FOGSTART]));
         } else if (context->rs[D3DRS_FOGTABLEMODE] != D3DFOG_NONE) {
             dst[4] = asfloat(context->rs[D3DRS_FOGDENSITY]);
         }
         cb.buffer_size = 4 * 4 * 34;
     }
 
     if (!cb.buffer_size)
         return;
 
-    if (!device->driver_caps.user_cbufs) {
-        context->pipe_data.cb_ps.buffer_size = cb.buffer_size;
-        u_upload_data(device->context.pipe->const_uploader,
-                      0,
-                      cb.buffer_size,
-                      device->constbuf_alignment,
-                      cb.user_buffer,
-                      &context->pipe_data.cb_ps.buffer_offset,
-                      &context->pipe_data.cb_ps.buffer);
-        u_upload_unmap(device->context.pipe->const_uploader);
-        context->pipe_data.cb_ps.user_buffer = NULL;
-    } else
-        context->pipe_data.cb_ps = cb;
-
+    context->pipe_data.cb_ps = cb;
     context->changed.ps_const_f = 0;
 
     context->changed.group &= ~NINE_STATE_PS_CONST;
     context->commit |= NINE_STATE_COMMIT_CONST_PS;
 }
 
 static inline uint32_t
 prepare_vs(struct NineDevice9 *device, uint8_t shader_changed)
 {
     struct nine_context *context = &device->context;
@@ -3341,99 +3266,53 @@ update_vs_constants_sw(struct NineDevice9 *device)
                 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;
         }
 
         buf = cb.user_buffer;
-        if (!device->driver_caps.user_sw_cbufs) {
-            u_upload_data(device->pipe_sw->const_uploader,
-                          0,
-                          cb.buffer_size,
-                          16,
-                          cb.user_buffer,
-                          &(cb.buffer_offset),
-                          &(cb.buffer));
-            u_upload_unmap(device->pipe_sw->const_uploader);
-            cb.user_buffer = NULL;
-        }
 
         pipe_sw->set_constant_buffer(pipe_sw, PIPE_SHADER_VERTEX, 0, &cb);
         if (cb.buffer)
             pipe_resource_reference(&cb.buffer, NULL);
 
         cb.user_buffer = (char *)buf + 4096 * sizeof(float[4]);
-        if (!device->driver_caps.user_sw_cbufs) {
-            u_upload_data(device->pipe_sw->const_uploader,
-                          0,
-                          cb.buffer_size,
-                          16,
-                          cb.user_buffer,
-                          &(cb.buffer_offset),
-                          &(cb.buffer));
-            u_upload_unmap(device->pipe_sw->const_uploader);
-            cb.user_buffer = NULL;
-        }
 
         pipe_sw->set_constant_buffer(pipe_sw, PIPE_SHADER_VERTEX, 1, &cb);
         if (cb.buffer)
             pipe_resource_reference(&cb.buffer, NULL);
     }
 
     {
         struct pipe_constant_buffer cb;
 
         cb.buffer = NULL;
         cb.buffer_offset = 0;
         cb.buffer_size = 2048 * sizeof(float[4]);
         cb.user_buffer = state->vs_const_i;
 
-        if (!device->driver_caps.user_sw_cbufs) {
-            u_upload_data(device->pipe_sw->const_uploader,
-                          0,
-                          cb.buffer_size,
-                          16,
-                          cb.user_buffer,
-                          &(cb.buffer_offset),
-                          &(cb.buffer));
-            u_upload_unmap(device->pipe_sw->const_uploader);
-            cb.user_buffer = NULL;
-        }
-
         pipe_sw->set_constant_buffer(pipe_sw, PIPE_SHADER_VERTEX, 2, &cb);
         if (cb.buffer)
             pipe_resource_reference(&cb.buffer, NULL);
     }
 
     {
         struct pipe_constant_buffer cb;
 
         cb.buffer = NULL;
         cb.buffer_offset = 0;
         cb.buffer_size = 512 * sizeof(float[4]);
         cb.user_buffer = state->vs_const_b;
 
-        if (!device->driver_caps.user_sw_cbufs) {
-            u_upload_data(device->pipe_sw->const_uploader,
-                          0,
-                          cb.buffer_size,
-                          16,
-                          cb.user_buffer,
-                          &(cb.buffer_offset),
-                          &(cb.buffer));
-            u_upload_unmap(device->pipe_sw->const_uploader);
-            cb.user_buffer = NULL;
-        }
-
         pipe_sw->set_constant_buffer(pipe_sw, PIPE_SHADER_VERTEX, 3, &cb);
         if (cb.buffer)
             pipe_resource_reference(&cb.buffer, NULL);
     }
 
     {
         struct pipe_constant_buffer cb;
         const D3DVIEWPORT9 *vport = &device->state.viewport;
         float viewport_data[8] = {(float)vport->Width * 0.5f,
             (float)vport->Height * -0.5f, vport->MaxZ - vport->MinZ, 0.f,
-- 
2.7.4



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