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/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* 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
* THE AUTHOR(S) AND/OR THEIR 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 "draw/draw_pipe.h"
#include "draw/draw_vbuf.h"
#include "util/u_memory.h"
#include "r300_cs.h"
#include "r300_context.h"
#include "r300_reg.h"
#include "r300_state_derived.h"
/* r300_swtcl_emit: Vertex and index buffer primitive emission. No HW TCL. */
struct r300_swtcl_render {
/* Parent class */
struct vbuf_render base;
/* Pipe context */
struct r300_context* r300;
/* Vertex information */
size_t vertex_size;
unsigned prim;
unsigned hwprim;
/* VBO */
struct pipe_buffer* vbo;
size_t vbo_size;
size_t vbo_offset;
void* vbo_map;
size_t vbo_alloc_size;
size_t vbo_max_used;
};
static INLINE struct r300_swtcl_render*
r300_swtcl_render(struct vbuf_render* render)
{
return (struct r300_swtcl_render*)render;
}
static const struct vertex_info*
r300_swtcl_render_get_vertex_info(struct vbuf_render* render)
{
struct r300_swtcl_render* r300render = r300_swtcl_render(render);
struct r300_context* r300 = r300render->r300;
r300_update_derived_state(r300);
return &r300->vertex_info;
}
static boolean r300_swtcl_render_allocate_vertices(struct vbuf_render* render,
ushort vertex_size,
ushort count)
{
struct r300_swtcl_render* r300render = r300_swtcl_render(render);
struct r300_context* r300 = r300render->r300;
struct pipe_screen* screen = r300->context.screen;
size_t size = (size_t)vertex_size * (size_t)count;
if (r300render->vbo) {
pipe_buffer_reference(screen, &r300render->vbo, NULL);
}
r300render->vbo_size = MAX2(size, r300render->vbo_alloc_size);
r300render->vbo_offset = 0;
r300render->vbo = pipe_buffer_create(screen,
64,
PIPE_BUFFER_USAGE_VERTEX,
r300render->vbo_size);
r300render->vertex_size = vertex_size;
if (r300render->vbo) {
return true;
} else {
return false;
}
}
static void* r300_swtcl_render_map_vertices(struct vbuf_render* render)
{
struct r300_swtcl_render* r300render = r300_swtcl_render(render);
struct pipe_screen* screen = r300render->r300->context.screen;
r300render->vbo_map = pipe_buffer_map(screen, r300render->vbo,
PIPE_BUFFER_USAGE_CPU_WRITE);
return (unsigned char*)r300render->vbo_map + r300render->vbo_offset;
}
static void r300_swtcl_render_unmap_vertices(struct vbuf_render* render,
ushort min,
ushort max)
{
struct r300_swtcl_render* r300render = r300_swtcl_render(render);
struct pipe_screen* screen = r300render->r300->context.screen;
r300render->vbo_max_used = MAX2(r300render->vbo_max_used,
r300render->vertex_size * (max + 1));
pipe_buffer_unmap(screen, r300render->vbo);
}
static void r300_swtcl_render_release_vertices(struct vbuf_render* render)
{
struct r300_swtcl_render* r300render = r300_swtcl_render(render);
struct pipe_screen* screen = r300render->r300->context.screen;
pipe_buffer_reference(screen, &r300render->vbo, NULL);
}
static boolean r300_swtcl_render_set_primitive(struct vbuf_render* render,
unsigned prim)
{
struct r300_swtcl_render* r300render = r300_swtcl_render(render);
r300render->prim = prim;
switch (prim) {
case PIPE_PRIM_POINTS:
r300render->hwprim = R300_VAP_VF_CNTL__PRIM_POINTS;
break;
case PIPE_PRIM_LINES:
r300render->hwprim = R300_VAP_VF_CNTL__PRIM_LINES;
break;
case PIPE_PRIM_LINE_LOOP:
r300render->hwprim = R300_VAP_VF_CNTL__PRIM_LINE_LOOP;
break;
case PIPE_PRIM_LINE_STRIP:
r300render->hwprim = R300_VAP_VF_CNTL__PRIM_LINE_STRIP;
break;
case PIPE_PRIM_TRIANGLES:
r300render->hwprim = R300_VAP_VF_CNTL__PRIM_TRIANGLES;
break;
case PIPE_PRIM_TRIANGLE_STRIP:
r300render->hwprim = R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP;
break;
case PIPE_PRIM_TRIANGLE_FAN:
r300render->hwprim = R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN;
break;
case PIPE_PRIM_QUADS:
r300render->hwprim = R300_VAP_VF_CNTL__PRIM_QUADS;
break;
case PIPE_PRIM_QUAD_STRIP:
r300render->hwprim = R300_VAP_VF_CNTL__PRIM_QUAD_STRIP;
break;
case PIPE_PRIM_POLYGON:
r300render->hwprim = R300_VAP_VF_CNTL__PRIM_POLYGON;
break;
default:
return false;
break;
}
return true;
}
static void prepare_render(struct r300_swtcl_render* render)
{
struct r300_context* r300 = render->r300;
int i;
CS_LOCALS(r300);
/* Make sure that all possible state is emitted. */
r300_emit_dirty_state(r300);
debug_printf("r300: Preparing vertex buffer %p for render, "
"vertex size %d, vertex count %d\n", render->vbo,
r300->vertex_info.vinfo.size, render->vbo_size);
/* Set the pointer to our vertex buffer. The emitted values are this:
* PACKET3 [3D_LOAD_VBPNTR]
* COUNT [1]
* FORMAT [size | stride << 8]
* OFFSET [0]
* VBPNTR [relocated BO]
*/
BEGIN_CS(5);
OUT_CS(CP_PACKET3(R300_PACKET3_3D_LOAD_VBPNTR, 3));
OUT_CS(1);
OUT_CS(r300->vertex_info.vinfo.size |
(r300->vertex_info.vinfo.size << 8));
OUT_CS(render->vbo_offset);
OUT_CS_RELOC(render->vbo, 0, RADEON_GEM_DOMAIN_GTT, 0, 0);
END_CS;
}
static void r300_swtcl_render_draw_arrays(struct vbuf_render* render,
unsigned start,
unsigned count)
{
struct r300_swtcl_render* r300render = r300_swtcl_render(render);
struct r300_context* r300 = r300render->r300;
struct pipe_screen* screen = r300->context.screen;
CS_LOCALS(r300);
prepare_render(r300render);
debug_printf("r300: Doing vbuf render, count %d\n", count);
BEGIN_CS(2);
OUT_CS(CP_PACKET3(R300_PACKET3_3D_DRAW_VBUF_2, 0));
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
r300render->hwprim);
END_CS;
}
static void r300_swtcl_render_draw(struct vbuf_render* render,
const ushort* indices,
uint count)
{
struct r300_swtcl_render* r300render = r300_swtcl_render(render);
struct r300_context* r300 = r300render->r300;
struct pipe_screen* screen = r300->context.screen;
struct pipe_buffer* index_buffer;
void* index_map;
CS_LOCALS(r300);
prepare_render(r300render);
/* Send our indices into an index buffer. */
index_buffer = pipe_buffer_create(screen, 64, PIPE_BUFFER_USAGE_VERTEX,
count * 4);
if (!index_buffer) {
return;
}
index_map = pipe_buffer_map(screen, index_buffer,
PIPE_BUFFER_USAGE_CPU_WRITE);
memcpy(index_map, indices, count * 4);
pipe_buffer_unmap(screen, index_buffer);
debug_printf("r300: Doing indexbuf render, count %d\n", count);
BEGIN_CS(5);
OUT_CS(CP_PACKET3(R300_PACKET3_3D_DRAW_INDX_2, 0));
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
r300render->hwprim | R300_VAP_VF_CNTL__INDEX_SIZE_32bit);
OUT_CS(CP_PACKET3(R300_PACKET3_INDX_BUFFER, 2));
OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2));
OUT_CS_RELOC(index_buffer, 0, RADEON_GEM_DOMAIN_GTT, 0, 0);
END_CS;
}
static void r300_swtcl_render_destroy(struct vbuf_render* render)
{
FREE(render);
}
static struct vbuf_render* r300_swtcl_render_create(struct r300_context* r300)
{
struct r300_swtcl_render* r300render = CALLOC_STRUCT(r300_swtcl_render);
struct pipe_screen* screen = r300->context.screen;
r300render->r300 = r300;
/* XXX find real numbers plz */
r300render->base.max_vertex_buffer_bytes = 128 * 1024;
r300render->base.max_indices = 16 * 1024;
r300render->base.get_vertex_info = r300_swtcl_render_get_vertex_info;
r300render->base.allocate_vertices = r300_swtcl_render_allocate_vertices;
r300render->base.map_vertices = r300_swtcl_render_map_vertices;
r300render->base.unmap_vertices = r300_swtcl_render_unmap_vertices;
r300render->base.set_primitive = r300_swtcl_render_set_primitive;
r300render->base.draw = r300_swtcl_render_draw;
r300render->base.draw_arrays = r300_swtcl_render_draw_arrays;
r300render->base.release_vertices = r300_swtcl_render_release_vertices;
r300render->base.destroy = r300_swtcl_render_destroy;
/* XXX bonghits ahead
r300render->vbo_alloc_size = 128 * 4096;
r300render->vbo_size = r300render->vbo_alloc_size;
r300render->vbo_offset = 0;
r300render->vbo = pipe_buffer_create(screen,
64,
PIPE_BUFFER_USAGE_VERTEX,
r300render->vbo_size);
r300render->vbo_map = pipe_buffer_map(screen,
r300render->vbo,
PIPE_BUFFER_USAGE_CPU_WRITE);
pipe_buffer_unmap(screen, r300render->vbo); */
return &r300render->base;
}
struct draw_stage* r300_draw_swtcl_stage(struct r300_context* r300)
{
struct vbuf_render* render;
struct draw_stage* stage;
render = r300_swtcl_render_create(r300);
if (!render) {
return NULL;
}
stage = draw_vbuf_stage(r300->draw, render);
if (!stage) {
render->destroy(render);
return NULL;
}
draw_set_render(r300->draw, render);
return stage;
}
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