r600g: cayman initial integer support
[mesa.git] / src / gallium / drivers / r600 / r600_state_common.c
index 9f3ab89fdf7a89000594ac589a57b1ee7f4d4cf4..6a313096f94918ed6ed5213439ad44dd51524d2d 100644 (file)
  * Authors: Dave Airlie <airlied@redhat.com>
  *          Jerome Glisse <jglisse@redhat.com>
  */
-#include <util/u_memory.h>
-#include <util/u_format.h>
-#include <pipebuffer/pb_buffer.h>
+#include "util/u_blitter.h"
+#include "util/u_memory.h"
+#include "util/u_format.h"
+#include "pipebuffer/pb_buffer.h"
 #include "pipe/p_shader_tokens.h"
 #include "tgsi/tgsi_parse.h"
 #include "r600_formats.h"
 #include "r600_pipe.h"
 #include "r600d.h"
 
-static void r600_spi_update(struct r600_pipe_context *rctx);
-
-static int r600_conv_pipe_prim(unsigned pprim, unsigned *prim)
+static bool r600_conv_pipe_prim(unsigned pprim, unsigned *prim)
 {
        static const int prim_conv[] = {
                V_008958_DI_PT_POINTLIST,
@@ -57,9 +56,9 @@ static int r600_conv_pipe_prim(unsigned pprim, unsigned *prim)
        *prim = prim_conv[pprim];
        if (*prim == -1) {
                fprintf(stderr, "%s:%d unsupported %d\n", __func__, __LINE__, pprim);
-               return -1;
+               return false;
        }
-       return 0;
+       return true;
 }
 
 /* common state between evergreen and r600 */
@@ -102,8 +101,10 @@ void r600_bind_rs_state(struct pipe_context *ctx, void *state)
 
        rctx->clamp_vertex_color = rs->clamp_vertex_color;
        rctx->clamp_fragment_color = rs->clamp_fragment_color;
-       rctx->flatshade = rs->flatshade;
+
        rctx->sprite_coord_enable = rs->sprite_coord_enable;
+       rctx->two_side = rs->two_side;
+
        rctx->rasterizer = rs;
 
        rctx->states[rs->rstate.id] = &rs->rstate;
@@ -114,8 +115,6 @@ void r600_bind_rs_state(struct pipe_context *ctx, void *state)
        } else {
                r600_polygon_offset_update(rctx);
        }
-       if (rctx->ps_shader && rctx->vs_shader)
-               rctx->spi_dirty = true;
 }
 
 void r600_delete_rs_state(struct pipe_context *ctx, void *state)
@@ -150,7 +149,7 @@ void r600_delete_state(struct pipe_context *ctx, void *state)
                rctx->states[rstate->id] = NULL;
        }
        for (int i = 0; i < rstate->nregs; i++) {
-               r600_bo_reference(rctx->radeon, &rstate->regs[i].bo, NULL);
+               pipe_resource_reference((struct pipe_resource**)&rstate->regs[i].bo, NULL);
        }
        free(rstate);
 }
@@ -162,7 +161,7 @@ void r600_bind_vertex_elements(struct pipe_context *ctx, void *state)
 
        rctx->vertex_elements = v;
        if (v) {
-               u_vbuf_mgr_bind_vertex_elements(rctx->vbuf_mgr, state,
+               u_vbuf_bind_vertex_elements(rctx->vbuf_mgr, state,
                                                v->vmgr_elements);
 
                rctx->states[v->rstate.id] = &v->rstate;
@@ -181,8 +180,8 @@ void r600_delete_vertex_element(struct pipe_context *ctx, void *state)
        if (rctx->vertex_elements == state)
                rctx->vertex_elements = NULL;
 
-       r600_bo_reference(rctx->radeon, &v->fetch_shader, NULL);
-       u_vbuf_mgr_destroy_vertex_elements(rctx->vbuf_mgr, v->vmgr_elements);
+       pipe_resource_reference((struct pipe_resource**)&v->fetch_shader, NULL);
+       u_vbuf_destroy_vertex_elements(rctx->vbuf_mgr, v->vmgr_elements);
        FREE(state);
 }
 
@@ -192,15 +191,7 @@ void r600_set_index_buffer(struct pipe_context *ctx,
 {
        struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 
-       if (ib) {
-               pipe_resource_reference(&rctx->index_buffer.buffer, ib->buffer);
-               memcpy(&rctx->index_buffer, ib, sizeof(rctx->index_buffer));
-       } else {
-               pipe_resource_reference(&rctx->index_buffer.buffer, NULL);
-               memset(&rctx->index_buffer, 0, sizeof(rctx->index_buffer));
-       }
-
-       /* TODO make this more like a state */
+       u_vbuf_set_index_buffer(rctx->vbuf_mgr, ib);
 }
 
 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
@@ -227,7 +218,7 @@ void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
                }
        }
 
-       u_vbuf_mgr_set_vertex_buffers(rctx->vbuf_mgr, count, buffers);
+       u_vbuf_set_vertex_buffers(rctx->vbuf_mgr, count, buffers);
 }
 
 void *r600_create_vertex_elements(struct pipe_context *ctx,
@@ -243,7 +234,7 @@ void *r600_create_vertex_elements(struct pipe_context *ctx,
 
        v->count = count;
        v->vmgr_elements =
-               u_vbuf_mgr_create_vertex_elements(rctx->vbuf_mgr, count,
+               u_vbuf_create_vertex_elements(rctx->vbuf_mgr, count,
                                                  elements, v->elements);
 
        if (r600_vertex_elements_build_fetch_shader(rctx, v)) {
@@ -257,10 +248,11 @@ void *r600_create_vertex_elements(struct pipe_context *ctx,
 void *r600_create_shader_state(struct pipe_context *ctx,
                               const struct pipe_shader_state *state)
 {
-       struct r600_pipe_shader *shader =  CALLOC_STRUCT(r600_pipe_shader);
+       struct r600_pipe_shader *shader = CALLOC_STRUCT(r600_pipe_shader);
        int r;
 
        shader->tokens = tgsi_dup_tokens(state->tokens);
+       shader->so = state->stream_output;
 
        r =  r600_pipe_shader_create(ctx, shader);
        if (r) {
@@ -279,7 +271,6 @@ void r600_bind_ps_shader(struct pipe_context *ctx, void *state)
                r600_context_pipe_state_set(&rctx->ctx, &rctx->ps_shader->rstate);
        }
        if (rctx->ps_shader && rctx->vs_shader) {
-               rctx->spi_dirty = true;
                r600_adjust_gprs(rctx);
        }
 }
@@ -294,7 +285,6 @@ void r600_bind_vs_shader(struct pipe_context *ctx, void *state)
                r600_context_pipe_state_set(&rctx->ctx, &rctx->vs_shader->rstate);
        }
        if (rctx->ps_shader && rctx->vs_shader) {
-               rctx->spi_dirty = true;
                r600_adjust_gprs(rctx);
        }
 }
@@ -336,78 +326,19 @@ static void r600_update_alpha_ref(struct r600_pipe_context *rctx)
        rstate.nregs = 0;
        if (rctx->export_16bpc)
                alpha_ref &= ~0x1FFF;
-       r600_pipe_state_add_reg(&rstate, R_028438_SX_ALPHA_REF, alpha_ref, 0xFFFFFFFF, NULL);
+       r600_pipe_state_add_reg(&rstate, R_028438_SX_ALPHA_REF, alpha_ref, 0xFFFFFFFF, NULL, 0);
 
        r600_context_pipe_state_set(&rctx->ctx, &rstate);
        rctx->alpha_ref_dirty = false;
 }
 
-/* FIXME optimize away spi update when it's not needed */
-static void r600_spi_block_init(struct r600_pipe_context *rctx, struct r600_pipe_state *rstate)
-{
-       int i;
-       rstate->nregs = 0;
-       rstate->id = R600_PIPE_STATE_SPI;
-       for (i = 0; i < 32; i++) {
-               r600_pipe_state_add_reg(rstate, R_028644_SPI_PS_INPUT_CNTL_0 + i * 4, 0, 0xFFFFFFFF, NULL);
-       }
-}
-
-static void r600_spi_update(struct r600_pipe_context *rctx)
-{
-       struct r600_pipe_shader *shader = rctx->ps_shader;
-       struct r600_pipe_state *rstate = &rctx->spi;
-       struct r600_shader *rshader = &shader->shader;
-       unsigned i, tmp, sid;
-
-       if (rctx->spi.id == 0)
-               r600_spi_block_init(rctx, &rctx->spi);
-
-       rstate->nregs = 0;
-       for (i = 0; i < rshader->ninput; i++) {
-               if (rshader->input[i].name == TGSI_SEMANTIC_POSITION ||
-                   rshader->input[i].name == TGSI_SEMANTIC_FACE)
-                       if (rctx->chip_class >= EVERGREEN)
-                               continue;
-                       else
-                               sid=0;
-               else
-                       sid=r600_find_vs_semantic_index(&rctx->vs_shader->shader, rshader, i);
-
-               tmp = S_028644_SEMANTIC(sid);
-
-               if (rshader->input[i].name == TGSI_SEMANTIC_COLOR ||
-                   rshader->input[i].name == TGSI_SEMANTIC_BCOLOR ||
-                   rshader->input[i].name == TGSI_SEMANTIC_POSITION) {
-                       tmp |= S_028644_FLAT_SHADE(rctx->flatshade);
-               }
-
-               if (rshader->input[i].name == TGSI_SEMANTIC_GENERIC &&
-                   rctx->sprite_coord_enable & (1 << rshader->input[i].sid)) {
-                       tmp |= S_028644_PT_SPRITE_TEX(1);
-               }
-
-               if (rctx->chip_class < EVERGREEN) {
-                       if (rshader->input[i].centroid)
-                               tmp |= S_028644_SEL_CENTROID(1);
-
-                       if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR)
-                               tmp |= S_028644_SEL_LINEAR(1);
-               }
-
-               r600_pipe_state_mod_reg(rstate, tmp);
-       }
-
-       rctx->spi_dirty = false;
-       r600_context_pipe_state_set(&rctx->ctx, rstate);
-}
-
 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
                              struct pipe_resource *buffer)
 {
        struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
-       struct r600_resource_buffer *rbuffer = r600_buffer(buffer);
+       struct r600_resource *rbuffer = r600_resource(buffer);
        struct r600_pipe_resource_state *rstate;
+       uint64_t va_offset;
        uint32_t offset;
 
        /* Note that the state tracker can unbind constant buffers by
@@ -418,17 +349,20 @@ void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
        }
 
        r600_upload_const_buffer(rctx, &rbuffer, &offset);
+       va_offset = r600_resource_va(ctx->screen, (void*)rbuffer);
+       va_offset += offset;
+       va_offset >>= 8;
 
        switch (shader) {
        case PIPE_SHADER_VERTEX:
                rctx->vs_const_buffer.nregs = 0;
                r600_pipe_state_add_reg(&rctx->vs_const_buffer,
-                                       R_028180_ALU_CONST_BUFFER_SIZE_VS_0,
+                                       R_028180_ALU_CONST_BUFFER_SIZE_VS_0 + index * 4,
                                        ALIGN_DIVUP(buffer->width0 >> 4, 16),
-                                       0xFFFFFFFF, NULL);
+                                       0xFFFFFFFF, NULL, 0);
                r600_pipe_state_add_reg(&rctx->vs_const_buffer,
-                                       R_028980_ALU_CONST_CACHE_VS_0,
-                                       offset >> 8, 0xFFFFFFFF, rbuffer->r.bo);
+                                       R_028980_ALU_CONST_CACHE_VS_0 + index * 4,
+                                       va_offset, 0xFFFFFFFF, rbuffer, RADEON_USAGE_READ);
                r600_context_pipe_state_set(&rctx->ctx, &rctx->vs_const_buffer);
 
                rstate = &rctx->vs_const_buffer_resource[index];
@@ -441,10 +375,10 @@ void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
                }
 
                if (rctx->chip_class >= EVERGREEN) {
-                       evergreen_pipe_mod_buffer_resource(rstate, &rbuffer->r, offset, 16);
+                       evergreen_pipe_mod_buffer_resource(ctx, rstate, rbuffer, offset, 16, RADEON_USAGE_READ);
                        evergreen_context_pipe_state_set_vs_resource(&rctx->ctx, rstate, index);
                } else {
-                       r600_pipe_mod_buffer_resource(rstate, &rbuffer->r, offset, 16);
+                       r600_pipe_mod_buffer_resource(rstate, rbuffer, offset, 16, RADEON_USAGE_READ);
                        r600_context_pipe_state_set_vs_resource(&rctx->ctx, rstate, index);
                }
                break;
@@ -453,10 +387,10 @@ void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
                r600_pipe_state_add_reg(&rctx->ps_const_buffer,
                                        R_028140_ALU_CONST_BUFFER_SIZE_PS_0,
                                        ALIGN_DIVUP(buffer->width0 >> 4, 16),
-                                       0xFFFFFFFF, NULL);
+                                       0xFFFFFFFF, NULL, 0);
                r600_pipe_state_add_reg(&rctx->ps_const_buffer,
                                        R_028940_ALU_CONST_CACHE_PS_0,
-                                       offset >> 8, 0xFFFFFFFF, rbuffer->r.bo);
+                                       va_offset, 0xFFFFFFFF, rbuffer, RADEON_USAGE_READ);
                r600_context_pipe_state_set(&rctx->ctx, &rctx->ps_const_buffer);
 
                rstate = &rctx->ps_const_buffer_resource[index];
@@ -468,10 +402,10 @@ void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
                        }
                }
                if (rctx->chip_class >= EVERGREEN) {
-                       evergreen_pipe_mod_buffer_resource(rstate, &rbuffer->r, offset, 16);
+                       evergreen_pipe_mod_buffer_resource(ctx, rstate, rbuffer, offset, 16, RADEON_USAGE_READ);
                        evergreen_context_pipe_state_set_ps_resource(&rctx->ctx, rstate, index);
                } else {
-                       r600_pipe_mod_buffer_resource(rstate, &rbuffer->r, offset, 16);
+                       r600_pipe_mod_buffer_resource(rstate, rbuffer, offset, 16, RADEON_USAGE_READ);
                        r600_context_pipe_state_set_ps_resource(&rctx->ctx, rstate, index);
                }
                break;
@@ -480,10 +414,75 @@ void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
                return;
        }
 
-       if (buffer != &rbuffer->r.b.b.b)
+       if (buffer != &rbuffer->b.b.b)
                pipe_resource_reference((struct pipe_resource**)&rbuffer, NULL);
 }
 
+struct pipe_stream_output_target *
+r600_create_so_target(struct pipe_context *ctx,
+                     struct pipe_resource *buffer,
+                     unsigned buffer_offset,
+                     unsigned buffer_size)
+{
+       struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
+       struct r600_so_target *t;
+       void *ptr;
+
+       t = CALLOC_STRUCT(r600_so_target);
+       if (!t) {
+               return NULL;
+       }
+
+       t->b.reference.count = 1;
+       t->b.context = ctx;
+       pipe_resource_reference(&t->b.buffer, buffer);
+       t->b.buffer_offset = buffer_offset;
+       t->b.buffer_size = buffer_size;
+
+       t->filled_size = (struct r600_resource*)
+               pipe_buffer_create(ctx->screen, PIPE_BIND_CUSTOM, PIPE_USAGE_STATIC, 4);
+       ptr = rctx->ws->buffer_map(t->filled_size->buf, rctx->ctx.cs, PIPE_TRANSFER_WRITE);
+       memset(ptr, 0, t->filled_size->buf->size);
+       rctx->ws->buffer_unmap(t->filled_size->buf);
+
+       return &t->b;
+}
+
+void r600_so_target_destroy(struct pipe_context *ctx,
+                           struct pipe_stream_output_target *target)
+{
+       struct r600_so_target *t = (struct r600_so_target*)target;
+       pipe_resource_reference(&t->b.buffer, NULL);
+       pipe_resource_reference((struct pipe_resource**)&t->filled_size, NULL);
+       FREE(t);
+}
+
+void r600_set_so_targets(struct pipe_context *ctx,
+                        unsigned num_targets,
+                        struct pipe_stream_output_target **targets,
+                        unsigned append_bitmask)
+{
+       struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
+       unsigned i;
+
+       /* Stop streamout. */
+       if (rctx->ctx.num_so_targets) {
+               r600_context_streamout_end(&rctx->ctx);
+       }
+
+       /* Set the new targets. */
+       for (i = 0; i < num_targets; i++) {
+               pipe_so_target_reference((struct pipe_stream_output_target**)&rctx->ctx.so_targets[i], targets[i]);
+       }
+       for (; i < rctx->ctx.num_so_targets; i++) {
+               pipe_so_target_reference((struct pipe_stream_output_target**)&rctx->ctx.so_targets[i], NULL);
+       }
+
+       rctx->ctx.num_so_targets = num_targets;
+       rctx->ctx.streamout_start = num_targets != 0;
+       rctx->ctx.streamout_append_bitmask = append_bitmask;
+}
+
 static void r600_vertex_buffer_update(struct r600_pipe_context *rctx)
 {
        struct r600_pipe_resource_state *rstate;
@@ -506,13 +505,13 @@ static void r600_vertex_buffer_update(struct r600_pipe_context *rctx)
                        /* one resource per vertex elements */
                        unsigned vbuffer_index;
                        vbuffer_index = rctx->vertex_elements->elements[i].vertex_buffer_index;
-                       vertex_buffer = &rctx->vbuf_mgr->vertex_buffer[vbuffer_index];
-                       rbuffer = (struct r600_resource*)rctx->vbuf_mgr->real_vertex_buffer[vbuffer_index];
+                       vertex_buffer = &rctx->vbuf_mgr->real_vertex_buffer[vbuffer_index];
+                       rbuffer = (struct r600_resource*)vertex_buffer->buffer;
                        offset = rctx->vertex_elements->vbuffer_offset[i];
                } else {
                        /* bind vertex buffer once */
-                       vertex_buffer = &rctx->vbuf_mgr->vertex_buffer[i];
-                       rbuffer = (struct r600_resource*)rctx->vbuf_mgr->real_vertex_buffer[i];
+                       vertex_buffer = &rctx->vbuf_mgr->real_vertex_buffer[i];
+                       rbuffer = (struct r600_resource*)vertex_buffer->buffer;
                        offset = 0;
                }
                if (vertex_buffer == NULL || rbuffer == NULL)
@@ -528,10 +527,10 @@ static void r600_vertex_buffer_update(struct r600_pipe_context *rctx)
                }
 
                if (rctx->chip_class >= EVERGREEN) {
-                       evergreen_pipe_mod_buffer_resource(rstate, rbuffer, offset, vertex_buffer->stride);
+                       evergreen_pipe_mod_buffer_resource(&rctx->context, rstate, rbuffer, offset, vertex_buffer->stride, RADEON_USAGE_READ);
                        evergreen_context_pipe_state_set_fs_resource(&rctx->ctx, rstate, i);
                } else {
-                       r600_pipe_mod_buffer_resource(rstate, rbuffer, offset, vertex_buffer->stride);
+                       r600_pipe_mod_buffer_resource(rstate, rbuffer, offset, vertex_buffer->stride, RADEON_USAGE_READ);
                        r600_context_pipe_state_set_fs_resource(&rctx->ctx, rstate, i);
                }
        }
@@ -552,108 +551,177 @@ static int r600_shader_rebuild(struct pipe_context * ctx, struct r600_pipe_shade
        return 0;
 }
 
-void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
+static void r600_update_derived_state(struct r600_pipe_context *rctx)
 {
-       struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
-       struct r600_resource *rbuffer;
-       struct r600_draw rdraw;
-       struct r600_drawl draw;
-       unsigned prim, mask;
+       struct pipe_context * ctx = (struct pipe_context*)rctx;
+       struct r600_pipe_state rstate;
+       unsigned user_clip_plane_enable;
+       unsigned clip_dist_enable;
+
+       if (rctx->vs_shader->shader.clip_dist_write || rctx->vs_shader->shader.vs_prohibit_ucps)
+               user_clip_plane_enable = 0;
+       else
+               user_clip_plane_enable = rctx->rasterizer->clip_plane_enable & 0x3F;
 
-       if (!rctx->blit) {
+       clip_dist_enable = rctx->rasterizer->clip_plane_enable & rctx->vs_shader->shader.clip_dist_write;
+       rstate.nregs = 0;
+
+       if (user_clip_plane_enable != rctx->user_clip_plane_enable) {
+               r600_pipe_state_add_reg(&rstate, R_028810_PA_CL_CLIP_CNTL, user_clip_plane_enable , 0x3F, NULL, 0);
+               rctx->user_clip_plane_enable = user_clip_plane_enable;
+       }
+
+       if (clip_dist_enable != rctx->clip_dist_enable) {
+               r600_pipe_state_add_reg(&rstate, R_02881C_PA_CL_VS_OUT_CNTL, clip_dist_enable, 0xFF, NULL, 0);
+               rctx->clip_dist_enable = clip_dist_enable;
+       }
+
+       if (rstate.nregs)
+               r600_context_pipe_state_set(&rctx->ctx, &rstate);
+
+       if (!rctx->blitter->running) {
                if (rctx->have_depth_fb || rctx->have_depth_texture)
                        r600_flush_depth_textures(rctx);
        }
-       u_vbuf_mgr_draw_begin(rctx->vbuf_mgr, info);
-       r600_vertex_buffer_update(rctx);
 
-       draw.info = *info;
-       draw.ctx = ctx;
-       draw.index_buffer = NULL;
-       if (info->indexed && rctx->index_buffer.buffer) {
-               draw.info.start += rctx->index_buffer.offset / rctx->index_buffer.index_size;
-               pipe_resource_reference(&draw.index_buffer, rctx->index_buffer.buffer);
+       if (rctx->chip_class < EVERGREEN) {
+               r600_update_sampler_states(rctx);
+       }
 
-               r600_translate_index_buffer(rctx, &draw.index_buffer,
-                                           &rctx->index_buffer.index_size,
-                                           &draw.info.start,
-                                           info->count);
+       if (rctx->vs_shader->shader.clamp_color != rctx->clamp_vertex_color) {
+               r600_shader_rebuild(&rctx->context, rctx->vs_shader);
+       }
 
-               draw.index_size = rctx->index_buffer.index_size;
-               draw.index_buffer_offset = draw.info.start * draw.index_size;
-               draw.info.start = 0;
+       if ((rctx->ps_shader->shader.clamp_color != rctx->clamp_fragment_color) ||
+           (rctx->ps_shader->shader.two_side != rctx->two_side) ||
+           ((rctx->chip_class >= EVERGREEN) && rctx->ps_shader->shader.fs_write_all &&
+            (rctx->ps_shader->shader.nr_cbufs != rctx->nr_cbufs))) {
+               r600_shader_rebuild(&rctx->context, rctx->ps_shader);
+       }
 
-               if (u_vbuf_resource(draw.index_buffer)->user_ptr) {
-                       r600_upload_index_buffer(rctx, &draw);
-               }
-       } else {
-               draw.index_size = 0;
-               draw.index_buffer_offset = 0;
-               draw.info.index_bias = info->start;
+       if (rctx->alpha_ref_dirty) {
+               r600_update_alpha_ref(rctx);
+       }
+
+       if (rctx->ps_shader && rctx->sprite_coord_enable &&
+               (rctx->ps_shader->sprite_coord_enable != rctx->sprite_coord_enable)) {
+
+               if (rctx->chip_class >= EVERGREEN)
+                       evergreen_pipe_shader_ps(ctx, rctx->ps_shader);
+               else
+                       r600_pipe_shader_ps(ctx, rctx->ps_shader);
+
+               r600_context_pipe_state_set(&rctx->ctx, &rctx->ps_shader->rstate);
+       }
+
+}
+
+void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo)
+{
+       struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
+       struct pipe_draw_info info = *dinfo;
+       struct r600_draw rdraw = {};
+       struct pipe_index_buffer ib = {};
+       unsigned prim, mask, ls_mask = 0;
+
+       if ((!info.count && (info.indexed || !info.count_from_stream_output)) ||
+           (info.indexed && !rctx->vbuf_mgr->index_buffer.buffer) ||
+           !r600_conv_pipe_prim(info.mode, &prim)) {
+               return;
        }
 
-       if (r600_conv_pipe_prim(draw.info.mode, &prim))
+       if (!rctx->ps_shader || !rctx->vs_shader)
                return;
 
-       if (rctx->vs_shader->shader.clamp_color != rctx->clamp_vertex_color)
-               r600_shader_rebuild(ctx, rctx->vs_shader);
+       r600_update_derived_state(rctx);
 
-       if ((rctx->ps_shader->shader.clamp_color != rctx->clamp_fragment_color) ||
-           ((rctx->chip_class >= EVERGREEN) && rctx->ps_shader->shader.fs_write_all &&
-            (rctx->ps_shader->shader.nr_cbufs != rctx->nr_cbufs)))
-               r600_shader_rebuild(ctx, rctx->ps_shader);
+       u_vbuf_draw_begin(rctx->vbuf_mgr, &info);
+       r600_vertex_buffer_update(rctx);
 
-       if (rctx->spi_dirty)
-               r600_spi_update(rctx);
+       rdraw.vgt_num_indices = info.count;
+       rdraw.vgt_num_instances = info.instance_count;
 
-       if (rctx->alpha_ref_dirty)
-               r600_update_alpha_ref(rctx);
+       if (info.indexed) {
+               /* Initialize the index buffer struct. */
+               pipe_resource_reference(&ib.buffer, rctx->vbuf_mgr->index_buffer.buffer);
+               ib.index_size = rctx->vbuf_mgr->index_buffer.index_size;
+               ib.offset = rctx->vbuf_mgr->index_buffer.offset + info.start * ib.index_size;
+
+               /* Translate or upload, if needed. */
+               r600_translate_index_buffer(rctx, &ib, info.count);
+
+               if (u_vbuf_resource(ib.buffer)->user_ptr) {
+                       r600_upload_index_buffer(rctx, &ib, info.count);
+               }
+
+               /* Initialize the r600_draw struct with index buffer info. */
+               if (ib.index_size == 4) {
+                       rdraw.vgt_index_type = VGT_INDEX_32 |
+                               (R600_BIG_ENDIAN ? VGT_DMA_SWAP_32_BIT : 0);
+               } else {
+                       rdraw.vgt_index_type = VGT_INDEX_16 |
+                               (R600_BIG_ENDIAN ? VGT_DMA_SWAP_16_BIT : 0);
+               }
+               rdraw.indices = (struct r600_resource*)ib.buffer;
+               rdraw.indices_bo_offset = ib.offset;
+               rdraw.vgt_draw_initiator = V_0287F0_DI_SRC_SEL_DMA;
+       } else {
+               info.index_bias = info.start;
+               rdraw.vgt_draw_initiator = V_0287F0_DI_SRC_SEL_AUTO_INDEX;
+               if (info.count_from_stream_output) {
+                       rdraw.vgt_draw_initiator |= S_0287F0_USE_OPAQUE(1);
+
+                       r600_context_draw_opaque_count(&rctx->ctx, (struct r600_so_target*)info.count_from_stream_output);
+               }
+       }
+
+       rctx->ctx.vs_so_stride_in_dw = rctx->vs_shader->so.stride;
 
        mask = (1ULL << ((unsigned)rctx->framebuffer.nr_cbufs * 4)) - 1;
 
        if (rctx->vgt.id != R600_PIPE_STATE_VGT) {
                rctx->vgt.id = R600_PIPE_STATE_VGT;
                rctx->vgt.nregs = 0;
-               r600_pipe_state_add_reg(&rctx->vgt, R_008958_VGT_PRIMITIVE_TYPE, prim, 0xFFFFFFFF, NULL);
-               r600_pipe_state_add_reg(&rctx->vgt, R_028238_CB_TARGET_MASK, rctx->cb_target_mask & mask, 0xFFFFFFFF, NULL);
-               r600_pipe_state_add_reg(&rctx->vgt, R_028400_VGT_MAX_VTX_INDX, draw.info.max_index, 0xFFFFFFFF, NULL);
-               r600_pipe_state_add_reg(&rctx->vgt, R_028404_VGT_MIN_VTX_INDX, draw.info.min_index, 0xFFFFFFFF, NULL);
-               r600_pipe_state_add_reg(&rctx->vgt, R_028408_VGT_INDX_OFFSET, draw.info.index_bias, 0xFFFFFFFF, NULL);
-               r600_pipe_state_add_reg(&rctx->vgt, R_03CFF0_SQ_VTX_BASE_VTX_LOC, 0, 0xFFFFFFFF, NULL);
-               r600_pipe_state_add_reg(&rctx->vgt, R_03CFF4_SQ_VTX_START_INST_LOC, draw.info.start_instance, 0xFFFFFFFF, NULL);
+               r600_pipe_state_add_reg(&rctx->vgt, R_008958_VGT_PRIMITIVE_TYPE, prim, 0xFFFFFFFF, NULL, 0);
+               r600_pipe_state_add_reg(&rctx->vgt, R_028238_CB_TARGET_MASK, rctx->cb_target_mask & mask, 0xFFFFFFFF, NULL, 0);
+               r600_pipe_state_add_reg(&rctx->vgt, R_028400_VGT_MAX_VTX_INDX, ~0, 0xFFFFFFFF, NULL, 0);
+               r600_pipe_state_add_reg(&rctx->vgt, R_028404_VGT_MIN_VTX_INDX, 0, 0xFFFFFFFF, NULL, 0);
+               r600_pipe_state_add_reg(&rctx->vgt, R_028408_VGT_INDX_OFFSET, info.index_bias, 0xFFFFFFFF, NULL, 0);
+               r600_pipe_state_add_reg(&rctx->vgt, R_02840C_VGT_MULTI_PRIM_IB_RESET_INDX, info.restart_index, 0xFFFFFFFF, NULL, 0);
+               r600_pipe_state_add_reg(&rctx->vgt, R_028A94_VGT_MULTI_PRIM_IB_RESET_EN, info.primitive_restart, 0xFFFFFFFF, NULL, 0);
+               r600_pipe_state_add_reg(&rctx->vgt, R_03CFF0_SQ_VTX_BASE_VTX_LOC, 0, 0xFFFFFFFF, NULL, 0);
+               r600_pipe_state_add_reg(&rctx->vgt, R_03CFF4_SQ_VTX_START_INST_LOC, info.start_instance, 0xFFFFFFFF, NULL, 0);
+               r600_pipe_state_add_reg(&rctx->vgt, R_028A0C_PA_SC_LINE_STIPPLE,
+                                       0,
+                                       S_028A0C_AUTO_RESET_CNTL(3), NULL, 0);
                r600_pipe_state_add_reg(&rctx->vgt, R_028814_PA_SU_SC_MODE_CNTL,
                                        0,
-                                       S_028814_PROVOKING_VTX_LAST(1), NULL);
-
+                                       S_028814_PROVOKING_VTX_LAST(1), NULL, 0);
        }
 
        rctx->vgt.nregs = 0;
        r600_pipe_state_mod_reg(&rctx->vgt, prim);
        r600_pipe_state_mod_reg(&rctx->vgt, rctx->cb_target_mask & mask);
-       r600_pipe_state_mod_reg(&rctx->vgt, draw.info.max_index);
-       r600_pipe_state_mod_reg(&rctx->vgt, draw.info.min_index);
-       r600_pipe_state_mod_reg(&rctx->vgt, draw.info.index_bias);
+       r600_pipe_state_mod_reg(&rctx->vgt, ~0);
+       r600_pipe_state_mod_reg(&rctx->vgt, 0);
+       r600_pipe_state_mod_reg(&rctx->vgt, info.index_bias);
+       r600_pipe_state_mod_reg(&rctx->vgt, info.restart_index);
+       r600_pipe_state_mod_reg(&rctx->vgt, info.primitive_restart);
        r600_pipe_state_mod_reg(&rctx->vgt, 0);
-       r600_pipe_state_mod_reg(&rctx->vgt, draw.info.start_instance);
-       if (draw.info.mode == PIPE_PRIM_QUADS || draw.info.mode == PIPE_PRIM_QUAD_STRIP || draw.info.mode == PIPE_PRIM_POLYGON) {
+       r600_pipe_state_mod_reg(&rctx->vgt, info.start_instance);
+
+       if (prim == V_008958_DI_PT_LINELIST)
+               ls_mask = 1;
+       else if (prim == V_008958_DI_PT_LINESTRIP) 
+               ls_mask = 2;
+       r600_pipe_state_mod_reg(&rctx->vgt, S_028A0C_AUTO_RESET_CNTL(ls_mask));
+
+       if (info.mode == PIPE_PRIM_QUADS || info.mode == PIPE_PRIM_QUAD_STRIP || info.mode == PIPE_PRIM_POLYGON) {
                r600_pipe_state_mod_reg(&rctx->vgt, S_028814_PROVOKING_VTX_LAST(1));
        }
 
        r600_context_pipe_state_set(&rctx->ctx, &rctx->vgt);
 
-       rdraw.vgt_num_indices = draw.info.count;
-       rdraw.vgt_num_instances = draw.info.instance_count;
-       rdraw.vgt_index_type = ((draw.index_size == 4) ? 1 : 0);
-       if (R600_BIG_ENDIAN)
-               rdraw.vgt_index_type |= (draw.index_size >> 1) << 2;
-       rdraw.vgt_draw_initiator = draw.index_size ? 0 : 2;
-       rdraw.indices = NULL;
-       if (draw.index_buffer) {
-               rbuffer = (struct r600_resource*)draw.index_buffer;
-               rdraw.indices = rbuffer->bo;
-               rdraw.indices_bo_offset = draw.index_buffer_offset;
-       }
-
        if (rctx->chip_class >= EVERGREEN) {
                evergreen_context_draw(&rctx->ctx, &rdraw);
        } else {
@@ -666,20 +734,22 @@ void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
                ((struct r600_resource_texture *)tex)->dirty_db = TRUE;
        }
 
-       pipe_resource_reference(&draw.index_buffer, NULL);
-
-       u_vbuf_mgr_draw_end(rctx->vbuf_mgr);
+       pipe_resource_reference(&ib.buffer, NULL);
+       u_vbuf_draw_end(rctx->vbuf_mgr);
 }
 
 void _r600_pipe_state_add_reg(struct r600_context *ctx,
                              struct r600_pipe_state *state,
                              u32 offset, u32 value, u32 mask,
                              u32 range_id, u32 block_id,
-                             struct r600_bo *bo)
+                             struct r600_resource *bo,
+                             enum radeon_bo_usage usage)
 {
        struct r600_range *range;
        struct r600_block *block;
 
+       if (bo) assert(usage);
+
        range = &ctx->range[range_id];
        block = range->blocks[block_id];
        state->regs[state->nregs].block = block;
@@ -688,6 +758,7 @@ void _r600_pipe_state_add_reg(struct r600_context *ctx,
        state->regs[state->nregs].value = value;
        state->regs[state->nregs].mask = mask;
        state->regs[state->nregs].bo = bo;
+       state->regs[state->nregs].bo_usage = usage;
 
        state->nregs++;
        assert(state->nregs < R600_BLOCK_MAX_REG);
@@ -695,13 +766,17 @@ void _r600_pipe_state_add_reg(struct r600_context *ctx,
 
 void r600_pipe_state_add_reg_noblock(struct r600_pipe_state *state,
                                     u32 offset, u32 value, u32 mask,
-                                    struct r600_bo *bo)
+                                    struct r600_resource *bo,
+                                    enum radeon_bo_usage usage)
 {
+       if (bo) assert(usage);
+
        state->regs[state->nregs].id = offset;
        state->regs[state->nregs].block = NULL;
        state->regs[state->nregs].value = value;
        state->regs[state->nregs].mask = mask;
        state->regs[state->nregs].bo = bo;
+       state->regs[state->nregs].bo_usage = usage;
 
        state->nregs++;
        assert(state->nregs < R600_BLOCK_MAX_REG);