/**************************************************************************
*
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2008 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
-#include "pipe/p_inlines.h"
+#include "util/u_inlines.h"
#include "util/u_draw_quad.h"
+#include "util/u_memory.h"
+#include "cso_cache/cso_context.h"
/**
*/
void
util_draw_vertex_buffer(struct pipe_context *pipe,
- struct pipe_buffer *vbuf,
+ struct cso_context *cso,
+ struct pipe_resource *vbuf,
+ uint vbuf_slot,
uint offset,
uint prim_type,
uint num_verts,
uint num_attribs)
{
struct pipe_vertex_buffer vbuffer;
- struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
- uint i;
assert(num_attribs <= PIPE_MAX_ATTRIBS);
vbuffer.buffer = vbuf;
vbuffer.stride = num_attribs * 4 * sizeof(float); /* vertex size */
vbuffer.buffer_offset = offset;
- vbuffer.max_index = num_verts - 1;
- pipe->set_vertex_buffers(pipe, 1, &vbuffer);
-
- /* tell pipe about the vertex attributes */
- for (i = 0; i < num_attribs; i++) {
- velements[i].src_offset = i * 4 * sizeof(float);
- velements[i].vertex_buffer_index = 0;
- velements[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
- velements[i].nr_components = 4;
- }
- pipe->set_vertex_elements(pipe, num_attribs, velements);
- /* draw */
- pipe->draw_arrays(pipe, prim_type, 0, num_verts);
+ /* note: vertex elements already set by caller */
+
+ if (cso) {
+ cso_set_vertex_buffers(cso, vbuf_slot, 1, &vbuffer);
+ cso_draw_arrays(cso, prim_type, 0, num_verts);
+ } else {
+ pipe->set_vertex_buffers(pipe, vbuf_slot, 1, &vbuffer);
+ util_draw_arrays(pipe, prim_type, 0, num_verts);
+ }
}
+/**
+ * Draw a simple vertex buffer / primitive.
+ * Limited to float[4] vertex attribs, tightly packed.
+ */
+void
+util_draw_user_vertex_buffer(struct cso_context *cso, void *buffer,
+ uint prim_type, uint num_verts, uint num_attribs)
+{
+ struct pipe_vertex_buffer vbuffer = {0};
+
+ assert(num_attribs <= PIPE_MAX_ATTRIBS);
+
+ vbuffer.user_buffer = buffer;
+ vbuffer.stride = num_attribs * 4 * sizeof(float); /* vertex size */
+
+ /* note: vertex elements already set by caller */
+
+ cso_set_vertex_buffers(cso, 0, 1, &vbuffer);
+ cso_draw_arrays(cso, prim_type, 0, num_verts);
+}
+
/**
* Draw screen-aligned textured quad.
- * Note: this function allocs/destroys a vertex buffer and isn't especially
- * efficient.
+ * Note: this isn't especially efficient.
*/
void
-util_draw_texquad(struct pipe_context *pipe,
+util_draw_texquad(struct pipe_context *pipe, struct cso_context *cso,
+ uint vbuf_slot,
float x0, float y0, float x1, float y1, float z)
{
- struct pipe_buffer *vbuf;
- uint numAttribs = 2, vertexBytes, i, j;
-
- vertexBytes = 4 * (4 * numAttribs * sizeof(float));
-
- /* XXX create one-time */
- vbuf = pipe_buffer_create(pipe->screen, 32,
- PIPE_BUFFER_USAGE_VERTEX, vertexBytes);
- if (vbuf) {
- float *v = (float *) pipe_buffer_map(pipe->screen, vbuf,
- PIPE_BUFFER_USAGE_CPU_WRITE);
- if (v) {
- /*
- * Load vertex buffer
- */
- for (i = j = 0; i < 4; i++) {
- v[j + 2] = z; /* z */
- v[j + 3] = 1.0; /* w */
- v[j + 6] = 0.0; /* r */
- v[j + 7] = 1.0; /* q */
- j += 8;
- }
-
- v[0] = x0;
- v[1] = y0;
- v[4] = 0.0; /*s*/
- v[5] = 0.0; /*t*/
-
- v[8] = x1;
- v[9] = y0;
- v[12] = 1.0;
- v[13] = 0.0;
-
- v[16] = x1;
- v[17] = y1;
- v[20] = 1.0;
- v[21] = 1.0;
-
- v[24] = x0;
- v[25] = y1;
- v[28] = 0.0;
- v[29] = 1.0;
-
- pipe_buffer_unmap(pipe->screen, vbuf);
- util_draw_vertex_buffer(pipe, vbuf, 0, PIPE_PRIM_TRIANGLE_FAN, 4, 2);
- }
-
- pipe_buffer_reference(&vbuf, NULL);
+ uint numAttribs = 2, i, j;
+ uint vertexBytes = 4 * (4 * numAttribs * sizeof(float));
+ struct pipe_resource *vbuf = NULL;
+ float *v = NULL;
+
+ v = MALLOC(vertexBytes);
+ if (v == NULL)
+ goto out;
+
+ /*
+ * Load vertex buffer
+ */
+ for (i = j = 0; i < 4; i++) {
+ v[j + 2] = z; /* z */
+ v[j + 3] = 1.0; /* w */
+ v[j + 6] = 0.0; /* r */
+ v[j + 7] = 1.0; /* q */
+ j += 8;
}
+
+ v[0] = x0;
+ v[1] = y0;
+ v[4] = 0.0; /*s*/
+ v[5] = 0.0; /*t*/
+
+ v[8] = x1;
+ v[9] = y0;
+ v[12] = 1.0;
+ v[13] = 0.0;
+
+ v[16] = x1;
+ v[17] = y1;
+ v[20] = 1.0;
+ v[21] = 1.0;
+
+ v[24] = x0;
+ v[25] = y1;
+ v[28] = 0.0;
+ v[29] = 1.0;
+
+ vbuf = pipe_buffer_create(pipe->screen, PIPE_BIND_VERTEX_BUFFER,
+ PIPE_USAGE_STAGING, vertexBytes);
+ if (!vbuf)
+ goto out;
+ pipe_buffer_write(pipe, vbuf, 0, vertexBytes, v);
+
+ util_draw_vertex_buffer(pipe, cso, vbuf, vbuf_slot, 0,
+ PIPE_PRIM_TRIANGLE_FAN, 4, 2);
+
+out:
+ if (vbuf)
+ pipe_resource_reference(&vbuf, NULL);
+
+ FREE(v);
}
projects / mesa.git / blobdiff