gallium/hud: don't use user vertex buffers
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
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00d170a5c3
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@ -98,7 +98,7 @@ struct hud_context {
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unsigned max_num_vertices;
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unsigned num_vertices;
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unsigned buffer_size;
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} text, bg, whitelines;
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} text, bg, whitelines, color_prims;
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bool has_srgb;
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};
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@ -118,7 +118,10 @@ hud_draw_colored_prims(struct hud_context *hud, unsigned prim,
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int xoffset, int yoffset, float yscale)
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{
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struct cso_context *cso = hud->cso;
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struct pipe_vertex_buffer vbuffer = {0};
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unsigned size = num_vertices * hud->color_prims.vbuf.stride;
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assert(size <= hud->color_prims.buffer_size);
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memcpy(hud->color_prims.vertices, buffer, size);
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hud->constants.color[0] = r;
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hud->constants.color[1] = g;
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@ -130,13 +133,14 @@ hud_draw_colored_prims(struct hud_context *hud, unsigned prim,
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hud->constants.scale[1] = yscale;
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cso_set_constant_buffer(cso, PIPE_SHADER_VERTEX, 0, &hud->constbuf);
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vbuffer.user_buffer = buffer;
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vbuffer.stride = 2 * sizeof(float);
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cso_set_vertex_buffers(cso, cso_get_aux_vertex_buffer_slot(cso),
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1, &vbuffer);
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1, &hud->color_prims.vbuf);
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cso_set_fragment_shader_handle(hud->cso, hud->fs_color);
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cso_draw_arrays(cso, prim, 0, num_vertices);
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hud->color_prims.vertices += size / sizeof(float);
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hud->color_prims.vbuf.buffer_offset += size;
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hud->color_prims.buffer_size -= size;
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}
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static void
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@ -565,6 +569,7 @@ hud_draw(struct hud_context *hud, struct pipe_resource *tex)
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hud_prepare_vertices(hud, &hud->bg, 16 * 256, 2 * sizeof(float));
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hud_prepare_vertices(hud, &hud->whitelines, 4 * 256, 2 * sizeof(float));
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hud_prepare_vertices(hud, &hud->text, 16 * 1024, 4 * sizeof(float));
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hud_prepare_vertices(hud, &hud->color_prims, 32 * 1024, 2 * sizeof(float));
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/* Allocate everything once and divide the storage into 3 portions
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* manually, because u_upload_alloc can unmap memory from previous calls.
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@ -572,11 +577,13 @@ hud_draw(struct hud_context *hud, struct pipe_resource *tex)
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u_upload_alloc(hud->pipe->stream_uploader, 0,
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hud->bg.buffer_size +
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hud->whitelines.buffer_size +
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hud->text.buffer_size,
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hud->text.buffer_size +
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hud->color_prims.buffer_size,
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16, &hud->bg.vbuf.buffer_offset, &hud->bg.vbuf.buffer,
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(void**)&hud->bg.vertices);
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pipe_resource_reference(&hud->whitelines.vbuf.buffer, hud->bg.vbuf.buffer);
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pipe_resource_reference(&hud->text.vbuf.buffer, hud->bg.vbuf.buffer);
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pipe_resource_reference(&hud->color_prims.vbuf.buffer, hud->bg.vbuf.buffer);
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hud->whitelines.vbuf.buffer_offset = hud->bg.vbuf.buffer_offset +
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hud->bg.buffer_size;
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@ -588,6 +595,11 @@ hud_draw(struct hud_context *hud, struct pipe_resource *tex)
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hud->text.vertices = hud->whitelines.vertices +
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hud->whitelines.buffer_size / sizeof(float);
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hud->color_prims.vbuf.buffer_offset = hud->text.vbuf.buffer_offset +
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hud->text.buffer_size;
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hud->color_prims.vertices = hud->text.vertices +
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hud->text.buffer_size / sizeof(float);
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/* prepare all graphs */
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hud_batch_query_update(hud->batch_query);
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