Home | History | Annotate | Download | only in softpipe
      1 /*
      2  * Copyright 2016 Red Hat.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * on the rights to use, copy, modify, merge, publish, distribute, sub
      8  * license, and/or sell copies of the Software, and to permit persons to whom
      9  * the Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
     19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
     22  */
     23 
     24 #include "sp_context.h"
     25 #include "sp_state.h"
     26 #include "sp_image.h"
     27 #include "sp_buffer.h"
     28 
     29 static void softpipe_set_shader_images(struct pipe_context *pipe,
     30                                        enum pipe_shader_type shader,
     31                                        unsigned start,
     32                                        unsigned num,
     33                                        const struct pipe_image_view *images)
     34 {
     35    struct softpipe_context *softpipe = softpipe_context(pipe);
     36    unsigned i;
     37    assert(shader < PIPE_SHADER_TYPES);
     38    assert(start + num <= ARRAY_SIZE(softpipe->sampler_views[shader]));
     39 
     40    /* set the new images */
     41    for (i = 0; i < num; i++) {
     42       int idx = start + i;
     43 
     44       if (images) {
     45          pipe_resource_reference(&softpipe->tgsi.image[shader]->sp_iview[idx].resource, images[i].resource);
     46          softpipe->tgsi.image[shader]->sp_iview[idx] = images[i];
     47       }
     48       else {
     49          pipe_resource_reference(&softpipe->tgsi.image[shader]->sp_iview[idx].resource, NULL);
     50          memset(&softpipe->tgsi.image[shader]->sp_iview[idx], 0, sizeof(struct pipe_image_view));
     51       }
     52    }
     53 }
     54 
     55 static void softpipe_set_shader_buffers(struct pipe_context *pipe,
     56                                         enum pipe_shader_type shader,
     57                                         unsigned start,
     58                                         unsigned num,
     59                                         const struct pipe_shader_buffer *buffers)
     60 {
     61    struct softpipe_context *softpipe = softpipe_context(pipe);
     62    unsigned i;
     63    assert(shader < PIPE_SHADER_TYPES);
     64    assert(start + num <= ARRAY_SIZE(softpipe->buffers[shader]));
     65 
     66    /* set the new images */
     67    for (i = 0; i < num; i++) {
     68       int idx = start + i;
     69 
     70       if (buffers) {
     71          pipe_resource_reference(&softpipe->tgsi.buffer[shader]->sp_bview[idx].buffer, buffers[i].buffer);
     72          softpipe->tgsi.buffer[shader]->sp_bview[idx] = buffers[i];
     73       }
     74       else {
     75          pipe_resource_reference(&softpipe->tgsi.buffer[shader]->sp_bview[idx].buffer, NULL);
     76          memset(&softpipe->tgsi.buffer[shader]->sp_bview[idx], 0, sizeof(struct pipe_shader_buffer));
     77       }
     78    }
     79 }
     80 
     81 void softpipe_init_image_funcs(struct pipe_context *pipe)
     82 {
     83    pipe->set_shader_images = softpipe_set_shader_images;
     84    pipe->set_shader_buffers = softpipe_set_shader_buffers;
     85 }
     86