gallium: Check pipe_screen::resource_changed before dereferencing it
[mesa.git] / src / mesa / state_tracker / st_context.h
index 2fe9d92e8bc54baa4976de3c9f61e7c504066ee8..a4d52b40ae42c2c828db9deb6333194c853026da 100644 (file)
@@ -33,6 +33,8 @@
 #include "main/fbobject.h"
 #include "state_tracker/st_atom.h"
 #include "util/u_inlines.h"
+#include "util/list.h"
+#include "vbo/vbo.h"
 
 
 #ifdef __cplusplus
@@ -85,6 +87,20 @@ struct st_bound_handles
    uint64_t *handles;
 };
 
+
+#define NUM_DRAWPIX_CACHE_ENTRIES 4
+
+struct drawpix_cache_entry
+{
+   GLsizei width, height;
+   GLenum format, type;
+   const void *user_pointer;  /**< Last user 'pixels' pointer */
+   void *image;               /**< Copy of the glDrawPixels image data */
+   struct pipe_resource *texture;
+   unsigned age;
+};
+
+
 struct st_context
 {
    struct st_context_iface iface;
@@ -109,7 +125,6 @@ struct st_context
    boolean has_shareable_shaders;
    boolean has_half_float_packing;
    boolean has_multi_draw_indirect;
-   boolean has_user_constbuf;
    boolean can_bind_const_buffer_as_vertex;
 
    /**
@@ -128,6 +143,7 @@ struct st_context
    boolean invalidate_on_gl_viewport;
    boolean draw_needs_minmax_index;
    boolean vertex_array_out_of_memory;
+   boolean has_hw_atomics;
 
    /* Some state is contained in constant objects.
     * Other state is just parameter values.
@@ -136,9 +152,9 @@ struct st_context
       struct pipe_blend_state               blend;
       struct pipe_depth_stencil_alpha_state depth_stencil;
       struct pipe_rasterizer_state          rasterizer;
-      struct pipe_sampler_state samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
-      GLuint num_samplers[PIPE_SHADER_TYPES];
-      struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
+      struct pipe_sampler_state frag_samplers[PIPE_MAX_SAMPLERS];
+      GLuint num_frag_samplers;
+      struct pipe_sampler_view *frag_sampler_views[PIPE_MAX_SAMPLERS];
       GLuint num_sampler_views[PIPE_SHADER_TYPES];
       struct pipe_clip_state clip;
       struct {
@@ -149,6 +165,8 @@ struct st_context
       unsigned fb_height;
       unsigned fb_num_samples;
       unsigned fb_num_layers;
+      unsigned fb_num_cb;
+      unsigned num_viewports;
       struct pipe_scissor_state scissor[PIPE_MAX_VIEWPORTS];
       struct pipe_viewport_state viewport[PIPE_MAX_VIEWPORTS];
       struct {
@@ -160,6 +178,12 @@ struct st_context
       GLuint poly_stipple[32];  /**< In OpenGL's bottom-to-top order */
 
       GLuint fb_orientation;
+
+      bool enable_sample_locations;
+      unsigned sample_locations_samples;
+      uint8_t sample_locations[
+         PIPE_MAX_SAMPLE_LOCATION_GRID_SIZE *
+         PIPE_MAX_SAMPLE_LOCATION_GRID_SIZE * 32];
    } state;
 
    uint64_t dirty; /**< dirty states */
@@ -206,12 +230,10 @@ struct st_context
       void *vert_shaders[2];   /**< ureg shaders */
    } drawpix;
 
+   /** Cache of glDrawPixels images */
    struct {
-      GLsizei width, height;
-      GLenum format, type;
-      const void *user_pointer;  /**< Last user 'pixels' pointer */
-      void *image;               /**< Copy of the glDrawPixels image data */
-      struct pipe_resource *texture;
+      struct drawpix_cache_entry entries[NUM_DRAWPIX_CACHE_ENTRIES];
+      unsigned age;
    } drawpix_cache;
 
    /** for glReadPixels */
@@ -276,6 +298,9 @@ struct st_context
     */
    struct st_bound_handles bound_texture_handles[PIPE_SHADER_TYPES];
    struct st_bound_handles bound_image_handles[PIPE_SHADER_TYPES];
+
+   /* Winsys buffers */
+   struct list_head winsys_buffers;
 };
 
 
@@ -294,13 +319,16 @@ static inline struct st_context *st_context(struct gl_context *ctx)
 struct st_framebuffer
 {
    struct gl_framebuffer Base;
-   void *Private;
 
    struct st_framebuffer_iface *iface;
    enum st_attachment_type statts[ST_ATTACHMENT_COUNT];
    unsigned num_statts;
    int32_t stamp;
    int32_t iface_stamp;
+   uint32_t iface_ID;
+
+   /* list of framebuffer objects */
+   struct list_head head;
 };
 
 
@@ -350,30 +378,6 @@ st_fb_orientation(const struct gl_framebuffer *fb)
 }
 
 
-static inline enum pipe_shader_type
-st_shader_stage_to_ptarget(gl_shader_stage stage)
-{
-   switch (stage) {
-   case MESA_SHADER_VERTEX:
-      return PIPE_SHADER_VERTEX;
-   case MESA_SHADER_FRAGMENT:
-      return PIPE_SHADER_FRAGMENT;
-   case MESA_SHADER_GEOMETRY:
-      return PIPE_SHADER_GEOMETRY;
-   case MESA_SHADER_TESS_CTRL:
-      return PIPE_SHADER_TESS_CTRL;
-   case MESA_SHADER_TESS_EVAL:
-      return PIPE_SHADER_TESS_EVAL;
-   case MESA_SHADER_COMPUTE:
-      return PIPE_SHADER_COMPUTE;
-   default:
-      break;
-   }
-
-   assert(!"should not be reached");
-   return PIPE_SHADER_VERTEX;
-}
-
 static inline bool
 st_user_clip_planes_enabled(struct gl_context *ctx)
 {
@@ -390,7 +394,8 @@ extern struct st_context *
 st_create_context(gl_api api, struct pipe_context *pipe,
                   const struct gl_config *visual,
                   struct st_context *share,
-                  const struct st_config_options *options);
+                  const struct st_config_options *options,
+                  bool no_error);
 
 extern void
 st_destroy_context(struct st_context *st);