diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/gallium/drivers/r300/r300_render.c | 68 |
1 files changed, 33 insertions, 35 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index d05a736dd9..737396d8d9 100644 --- a/src/gallium/drivers/r300/r300_render.c +++ b/src/gallium/drivers/r300/r300_render.c @@ -31,6 +31,7 @@ #include "r300_state_derived.h" /* r300_render: Vertex and index buffer primitive emission. */ +#define R300_MAX_VBO_SIZE (1024 * 1024) struct r300_render { /* Parent class */ @@ -46,7 +47,10 @@ struct r300_render { /* VBO */ struct pipe_buffer* vbo; - size_t vbo_alloc_size; + size_t vbo_size; + size_t vbo_offset; + size_t vbo_max_used; + void * vbo_ptr; }; static INLINE struct r300_render* @@ -75,19 +79,18 @@ static boolean r300_render_allocate_vertices(struct vbuf_render* render, struct pipe_screen* screen = r300->context.screen; size_t size = (size_t)vertex_size * (size_t)count; - if (r300render->vbo && (size > r300render->vbo_alloc_size)) { - pipe_buffer_reference(&r300render->vbo, NULL); - } - - if (!r300render->vbo) { + if (size + r300render->vbo_offset > r300render->vbo_size) + { r300render->vbo = pipe_buffer_create(screen, 64, PIPE_BUFFER_USAGE_VERTEX, - size); + R300_MAX_VBO_SIZE); + r300render->vbo_size = R300_MAX_VBO_SIZE; } - r300render->vbo_alloc_size = MAX2(size, r300render->vbo_alloc_size); r300render->vertex_size = vertex_size; + r300->vbo = r300render->vbo; + r300->vbo_offset = r300render->vbo_offset; return (r300render->vbo) ? TRUE : FALSE; } @@ -97,8 +100,10 @@ static void* r300_render_map_vertices(struct vbuf_render* render) struct r300_render* r300render = r300_render(render); struct pipe_screen* screen = r300render->r300->context.screen; - return (unsigned char*)pipe_buffer_map(screen, r300render->vbo, - PIPE_BUFFER_USAGE_CPU_WRITE); + r300render->vbo_ptr = pipe_buffer_map(screen, r300render->vbo, + PIPE_BUFFER_USAGE_CPU_WRITE); + + return (r300render->vbo_ptr + r300render->vbo_offset); } static void r300_render_unmap_vertices(struct vbuf_render* render, @@ -107,15 +112,24 @@ static void r300_render_unmap_vertices(struct vbuf_render* render, { struct r300_render* r300render = r300_render(render); struct pipe_screen* screen = r300render->r300->context.screen; + CS_LOCALS(r300render->r300); + BEGIN_CS(2); + OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max); + END_CS; + r300render->vbo_max_used = MAX2(r300render->vbo_max_used, + r300render->vertex_size * (max + 1)); pipe_buffer_unmap(screen, r300render->vbo); } static void r300_render_release_vertices(struct vbuf_render* render) { struct r300_render* r300render = r300_render(render); + struct r300_context* r300 = r300render->r300; - pipe_buffer_reference(&r300render->vbo, NULL); + r300render->vbo_offset += r300render->vbo_max_used; + r300render->vbo_max_used = 0; + r300->vbo = NULL; } static boolean r300_render_set_primitive(struct vbuf_render* render, @@ -163,14 +177,12 @@ static boolean r300_render_set_primitive(struct vbuf_render* render, return TRUE; } -static void prepare_render(struct r300_render* render, unsigned count) +static void r300_prepare_render(struct r300_render* render, unsigned count) { struct r300_context* r300 = render->r300; CS_LOCALS(r300); - r300->vbo = render->vbo; - r300_emit_dirty_state(r300); } @@ -183,7 +195,7 @@ static void r300_render_draw_arrays(struct vbuf_render* render, CS_LOCALS(r300); - prepare_render(r300render, count); + r300_prepare_render(r300render, count); DBG(r300, DBG_DRAW, "r300: Doing vbuf render, count %d\n", count); @@ -208,7 +220,7 @@ static void r300_render_draw(struct vbuf_render* render, CS_LOCALS(r300); - prepare_render(r300render, count); + r300_prepare_render(r300render, count); /* Send our indices into an index buffer. */ index_buffer = pipe_buffer_create(screen, 64, PIPE_BUFFER_USAGE_VERTEX, @@ -217,25 +229,7 @@ static void r300_render_draw(struct vbuf_render* render, return; } -/* - index_map = pipe_buffer_map(screen, index_buffer, - PIPE_BUFFER_USAGE_CPU_WRITE); - memcpy(index_map, indices, count); - pipe_buffer_unmap(screen, index_buffer); - - debug_printf("r300: Doing indexbuf render, count %d\n", count); - - BEGIN_CS(8); - OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0); - OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | - r300render->hwprim); - OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2); - OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2)); - OUT_CS_INDEX_RELOC(index_buffer, 0, count, RADEON_GEM_DOMAIN_GTT, 0, 0); - END_CS; */ - - BEGIN_CS(4 + (count+1)/2); - OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count); + BEGIN_CS(2 + (count+1)/2); OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (count+1)/2); OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | r300render->hwprim); @@ -273,6 +267,10 @@ static struct vbuf_render* r300_render_create(struct r300_context* r300) r300render->base.release_vertices = r300_render_release_vertices; r300render->base.destroy = r300_render_destroy; + r300render->vbo = NULL; + r300render->vbo_size = 0; + r300render->vbo_offset = 0; + return &r300render->base; } |