scons: rename PIPE_SUBSYSTEM_EMBEDDED to EMBEDDED_DEVICE
[mesa.git] / src / gallium / drivers / llvmpipe / lp_context.c
index 32b80d3a9f633576466a2686412c5bff1720eab2..016416e01163c7f5ed5202a4a0328936456ec39c 100644 (file)
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
  * All Rights Reserved.
  * Copyright 2008 VMware, Inc.  All rights reserved.
  * 
@@ -19,7 +19,7 @@
  * 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.
@@ -27,7 +27,7 @@
  **************************************************************************/
 
 /* Author:
- *    Keith Whitwell <keith@tungstengraphics.com>
+ *    Keith Whitwell <keithw@vmware.com>
  */
 
 #include "draw/draw_context.h"
@@ -36,6 +36,8 @@
 #include "util/u_inlines.h"
 #include "util/u_math.h"
 #include "util/u_memory.h"
+#include "util/simple_list.h"
+#include "util/u_upload_mgr.h"
 #include "lp_clear.h"
 #include "lp_context.h"
 #include "lp_flush.h"
 #include "lp_query.h"
 #include "lp_setup.h"
 
+/* This is only safe if there's just one concurrent context */
+#ifdef EMBEDDED_DEVICE
+#define USE_GLOBAL_LLVM_CONTEXT
+#endif
+
 static void llvmpipe_destroy( struct pipe_context *pipe )
 {
    struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
-   uint i;
+   uint i, j;
 
    lp_print_counters();
 
+   if (llvmpipe->blitter) {
+      util_blitter_destroy(llvmpipe->blitter);
+   }
+
+   if (llvmpipe->pipe.stream_uploader)
+      u_upload_destroy(llvmpipe->pipe.stream_uploader);
+
    /* This will also destroy llvmpipe->setup:
     */
    if (llvmpipe->draw)
@@ -63,26 +77,63 @@ static void llvmpipe_destroy( struct pipe_context *pipe )
 
    pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL);
 
-   for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
-      pipe_sampler_view_reference(&llvmpipe->fragment_sampler_views[i], NULL);
+   for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) {
+      pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_FRAGMENT][i], NULL);
    }
 
-   for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
-      pipe_sampler_view_reference(&llvmpipe->vertex_sampler_views[i], NULL);
+   for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) {
+      pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_VERTEX][i], NULL);
    }
 
-   for (i = 0; i < Elements(llvmpipe->constants); i++) {
-      if (llvmpipe->constants[i]) {
-         pipe_resource_reference(&llvmpipe->constants[i], NULL);
+   for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) {
+      pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_GEOMETRY][i], NULL);
+   }
+
+   for (i = 0; i < ARRAY_SIZE(llvmpipe->constants); i++) {
+      for (j = 0; j < ARRAY_SIZE(llvmpipe->constants[i]); j++) {
+         pipe_resource_reference(&llvmpipe->constants[i][j].buffer, NULL);
       }
    }
 
+   for (i = 0; i < llvmpipe->num_vertex_buffers; i++) {
+      pipe_vertex_buffer_unreference(&llvmpipe->vertex_buffer[i]);
+   }
+
+   lp_delete_setup_variants(llvmpipe);
+
+#ifndef USE_GLOBAL_LLVM_CONTEXT
+   LLVMContextDispose(llvmpipe->context);
+#endif
+   llvmpipe->context = NULL;
+
    align_free( llvmpipe );
 }
 
+static void
+do_flush( struct pipe_context *pipe,
+          struct pipe_fence_handle **fence,
+          unsigned flags)
+{
+   llvmpipe_flush(pipe, fence, __FUNCTION__);
+}
+
+
+static void
+llvmpipe_render_condition(struct pipe_context *pipe,
+                          struct pipe_query *query,
+                          bool condition,
+                          enum pipe_render_cond_flag mode)
+{
+   struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
+
+   llvmpipe->render_cond_query = query;
+   llvmpipe->render_cond_mode = mode;
+   llvmpipe->render_cond_cond = condition;
+}
 
 struct pipe_context *
-llvmpipe_create_context( struct pipe_screen *screen, void *priv )
+llvmpipe_create_context(struct pipe_screen *screen, void *priv,
+                        unsigned flags)
 {
    struct llvmpipe_context *llvmpipe;
 
@@ -94,7 +145,11 @@ llvmpipe_create_context( struct pipe_screen *screen, void *priv )
 
    memset(llvmpipe, 0, sizeof *llvmpipe);
 
-   llvmpipe->pipe.winsys = screen->winsys;
+   make_empty_list(&llvmpipe->fs_variants_list);
+
+   make_empty_list(&llvmpipe->setup_variants_list);
+
+
    llvmpipe->pipe.screen = screen;
    llvmpipe->pipe.priv = priv;
 
@@ -102,7 +157,9 @@ llvmpipe_create_context( struct pipe_screen *screen, void *priv )
    llvmpipe->pipe.destroy = llvmpipe_destroy;
    llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state;
    llvmpipe->pipe.clear = llvmpipe_clear;
-   llvmpipe->pipe.flush = llvmpipe_flush;
+   llvmpipe->pipe.flush = do_flush;
+
+   llvmpipe->pipe.render_condition = llvmpipe_render_condition;
 
    llvmpipe_init_blend_funcs(llvmpipe);
    llvmpipe_init_clip_funcs(llvmpipe);
@@ -110,45 +167,72 @@ llvmpipe_create_context( struct pipe_screen *screen, void *priv )
    llvmpipe_init_sampler_funcs(llvmpipe);
    llvmpipe_init_query_funcs( llvmpipe );
    llvmpipe_init_vertex_funcs(llvmpipe);
+   llvmpipe_init_so_funcs(llvmpipe);
    llvmpipe_init_fs_funcs(llvmpipe);
    llvmpipe_init_vs_funcs(llvmpipe);
+   llvmpipe_init_gs_funcs(llvmpipe);
    llvmpipe_init_rasterizer_funcs(llvmpipe);
    llvmpipe_init_context_resource_funcs( &llvmpipe->pipe );
    llvmpipe_init_surface_functions(llvmpipe);
 
+#ifdef USE_GLOBAL_LLVM_CONTEXT
+   llvmpipe->context = LLVMGetGlobalContext();
+#else
+   llvmpipe->context = LLVMContextCreate();
+#endif
+
+   if (!llvmpipe->context)
+      goto fail;
+
    /*
     * Create drawing context and plug our rendering stage into it.
     */
-   llvmpipe->draw = draw_create(&llvmpipe->pipe);
+   llvmpipe->draw = draw_create_with_llvm_context(&llvmpipe->pipe,
+                                                  llvmpipe->context);
    if (!llvmpipe->draw)
       goto fail;
 
    /* FIXME: devise alternative to draw_texture_samplers */
 
-   if (debug_get_bool_option( "LP_NO_RAST", FALSE ))
-      llvmpipe->no_rast = TRUE;
-
    llvmpipe->setup = lp_setup_create( &llvmpipe->pipe,
                                       llvmpipe->draw );
    if (!llvmpipe->setup)
       goto fail;
 
+   llvmpipe->pipe.stream_uploader = u_upload_create_default(&llvmpipe->pipe);
+   if (!llvmpipe->pipe.stream_uploader)
+      goto fail;
+   llvmpipe->pipe.const_uploader = llvmpipe->pipe.stream_uploader;
+
+   llvmpipe->blitter = util_blitter_create(&llvmpipe->pipe);
+   if (!llvmpipe->blitter) {
+      goto fail;
+   }
+
+   /* must be done before installing Draw stages */
+   util_blitter_cache_all_shaders(llvmpipe->blitter);
+
    /* plug in AA line/point stages */
    draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe);
    draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe);
    draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
 
-   /* convert points and lines into triangles: */
-   draw_wide_point_threshold(llvmpipe->draw, 0.0);
-   draw_wide_line_threshold(llvmpipe->draw, 0.0);
-
-#if USE_DRAW_STAGE_PSTIPPLE
-   /* Do polygon stipple w/ texture map + frag prog? */
-   draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
-#endif
+   /* convert points and lines into triangles: 
+    * (otherwise, draw points and lines natively)
+    */
+   draw_wide_point_sprites(llvmpipe->draw, FALSE);
+   draw_enable_point_sprites(llvmpipe->draw, FALSE);
+   draw_wide_point_threshold(llvmpipe->draw, 10000.0);
+   draw_wide_line_threshold(llvmpipe->draw, 10000.0);
 
    lp_reset_counters();
 
+   /* If llvmpipe_set_scissor_states() is never called, we still need to
+    * make sure that derived scissor state is computed.
+    * See https://bugs.freedesktop.org/show_bug.cgi?id=101709
+    */
+   llvmpipe->dirty |= LP_NEW_SCISSOR;
+
    return &llvmpipe->pipe;
 
  fail: