r300-gallium: Move swtcl_emit to render to reflect its true purpose.

1 files changed, 316 insertions, 0 deletions

diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c
new file mode 100644
index 00000000000..57bbc7a9944
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_render.c
@@ -0,0 +1,316 @@
+/*
+ * Copyright 2009 Corbin Simpson <[email protected]>
+ *
+ * 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_render: Vertex and index buffer primitive emission. */
+
+struct r300_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_render*
+r300_render(struct vbuf_render* render)
+{
+    return (struct r300_render*)render;
+}
+
+static const struct vertex_info*
+r300_render_get_vertex_info(struct vbuf_render* render)
+{
+    struct r300_render* r300render = r300_render(render);
+    struct r300_context* r300 = r300render->r300;
+
+    r300_update_derived_state(r300);
+
+    return &r300->vertex_info.vinfo;
+}
+
+static boolean r300_render_allocate_vertices(struct vbuf_render* render,
+                                                   ushort vertex_size,
+                                                   ushort count)
+{
+    struct r300_render* r300render = r300_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(&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_render_map_vertices(struct vbuf_render* render)
+{
+    struct r300_render* r300render = r300_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_render_unmap_vertices(struct vbuf_render* render,
+                                             ushort min,
+                                             ushort max)
+{
+    struct r300_render* r300render = r300_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_render_release_vertices(struct vbuf_render* render)
+{
+    struct r300_render* r300render = r300_render(render);
+
+    pipe_buffer_reference(&r300render->vbo, NULL);
+}
+
+static boolean r300_render_set_primitive(struct vbuf_render* render,
+                                               unsigned prim)
+{
+    struct r300_render* r300render = r300_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_render* render, unsigned count)
+{
+    struct r300_context* r300 = render->r300;
+
+    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, count);
+    /* 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(7);
+    OUT_CS_PKT3(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_render_draw_arrays(struct vbuf_render* render,
+                                          unsigned start,
+                                          unsigned count)
+{
+    struct r300_render* r300render = r300_render(render);
+    struct r300_context* r300 = r300render->r300;
+
+    CS_LOCALS(r300);
+
+    r300render->vbo_offset = start;
+
+    prepare_render(r300render, count);
+
+    debug_printf("r300: Doing vbuf render, count %d\n", count);
+
+    BEGIN_CS(2);
+    OUT_CS_PKT3(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_render_draw(struct vbuf_render* render,
+                                   const ushort* indices,
+                                   uint count)
+{
+    struct r300_render* r300render = r300_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, count);
+
+    /* Send our indices into an index buffer. */
+    index_buffer = pipe_buffer_create(screen, 64, PIPE_BUFFER_USAGE_VERTEX,
+                                      count);
+    if (!index_buffer) {
+        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(5);
+    OUT_CS_PKT3(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_PKT3(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_render_destroy(struct vbuf_render* render)
+{
+    FREE(render);
+}
+
+static struct vbuf_render* r300_render_create(struct r300_context* r300)
+{
+    struct r300_render* r300render = CALLOC_STRUCT(r300_render);
+
+    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_render_get_vertex_info;
+    r300render->base.allocate_vertices = r300_render_allocate_vertices;
+    r300render->base.map_vertices = r300_render_map_vertices;
+    r300render->base.unmap_vertices = r300_render_unmap_vertices;
+    r300render->base.set_primitive = r300_render_set_primitive;
+    r300render->base.draw = r300_render_draw;
+    r300render->base.draw_arrays = r300_render_draw_arrays;
+    r300render->base.release_vertices = r300_render_release_vertices;
+    r300render->base.destroy = r300_render_destroy;
+
+    return &r300render->base;
+}
+
+struct draw_stage* r300_draw_stage(struct r300_context* r300)
+{
+    struct vbuf_render* render;
+    struct draw_stage* stage;
+
+    render = r300_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;
+}