gallivm: make lp_build_float_to_r11g11b10 take a const src
[mesa.git] / src / gallium / auxiliary / util / u_blit.c
index 3e49667029a08c8617ec74ea051975828cd92b05..8577486b769364d6cb438bf9e68118f81b6459f5 100644 (file)
@@ -28,7 +28,7 @@
 /**
  * @file
  * Copy/blit pixel rect between surfaces
- *  
+ *
  * @author Brian Paul
  */
 
@@ -65,7 +65,7 @@ struct blit_state
    struct pipe_vertex_element velem[2];
 
    void *vs;
-   void *fs[PIPE_MAX_TEXTURE_TYPES][TGSI_WRITEMASK_XYZW + 1][3];
+   void *fs[PIPE_MAX_TEXTURE_TYPES][4];
 
    struct pipe_resource *vbuf;  /**< quad vertices */
    unsigned vbuf_slot;
@@ -98,7 +98,8 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso)
    ctx->rasterizer.cull_face = PIPE_FACE_NONE;
    ctx->rasterizer.half_pixel_center = 1;
    ctx->rasterizer.bottom_edge_rule = 1;
-   ctx->rasterizer.depth_clip = 1;
+   ctx->rasterizer.depth_clip_near = 1;
+   ctx->rasterizer.depth_clip_far = 1;
 
    /* samplers */
    ctx->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
@@ -112,7 +113,7 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso)
    for (i = 0; i < 2; i++) {
       ctx->velem[i].src_offset = i * 4 * sizeof(float);
       ctx->velem[i].instance_divisor = 0;
-      ctx->velem[i].vertex_buffer_index = cso_get_aux_vertex_buffer_slot(cso);
+      ctx->velem[i].vertex_buffer_index = 0;
       ctx->velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
    }
 
@@ -135,17 +136,15 @@ void
 util_destroy_blit(struct blit_state *ctx)
 {
    struct pipe_context *pipe = ctx->pipe;
-   unsigned i, j, k;
+   unsigned i, j;
 
    if (ctx->vs)
       pipe->delete_vs_state(pipe, ctx->vs);
 
    for (i = 0; i < ARRAY_SIZE(ctx->fs); i++) {
       for (j = 0; j < ARRAY_SIZE(ctx->fs[i]); j++) {
-         for (k = 0; k < ARRAY_SIZE(ctx->fs[i][j]); k++) {
-            if (ctx->fs[i][j][k])
-               pipe->delete_fs_state(pipe, ctx->fs[i][j][k]);
-         }
+         if (ctx->fs[i][j])
+            pipe->delete_fs_state(pipe, ctx->fs[i][j]);
       }
    }
 
@@ -159,8 +158,9 @@ util_destroy_blit(struct blit_state *ctx)
  * Helper function to set the fragment shaders.
  */
 static inline void
-set_fragment_shader(struct blit_state *ctx, uint writemask,
+set_fragment_shader(struct blit_state *ctx,
                     enum pipe_format format,
+                    boolean src_xrbias,
                     enum pipe_texture_target pipe_tex)
 {
    enum tgsi_return_type stype;
@@ -177,19 +177,29 @@ set_fragment_shader(struct blit_state *ctx, uint writemask,
       idx = 2;
    }
 
-   if (!ctx->fs[pipe_tex][writemask][idx]) {
-      unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex, 0);
+   if (src_xrbias) {
+      assert(stype == TGSI_RETURN_TYPE_FLOAT);
+      idx = 3;
+      if (!ctx->fs[pipe_tex][idx]) {
+         enum tgsi_texture_type tgsi_tex =
+            util_pipe_tex_to_tgsi_tex(pipe_tex, 0);
+         ctx->fs[pipe_tex][idx] =
+            util_make_fragment_tex_shader_xrbias(ctx->pipe, tgsi_tex);
+      }
+   }
+   else if (!ctx->fs[pipe_tex][idx]) {
+      enum tgsi_texture_type tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex, 0);
 
       /* OpenGL does not allow blits from signed to unsigned integer
        * or vice versa. */
-      ctx->fs[pipe_tex][writemask][idx] =
+      ctx->fs[pipe_tex][idx] =
          util_make_fragment_tex_shader_writemask(ctx->pipe, tgsi_tex,
                                                  TGSI_INTERPOLATE_LINEAR,
-                                                 writemask,
+                                                 TGSI_WRITEMASK_XYZW,
                                                  stype, stype, false, false);
    }
 
-   cso_set_fragment_shader_handle(ctx->cso, ctx->fs[pipe_tex][writemask][idx]);
+   cso_set_fragment_shader_handle(ctx->cso, ctx->fs[pipe_tex][idx]);
 }
 
 
@@ -203,8 +213,10 @@ set_vertex_shader(struct blit_state *ctx)
     * fragment shader input semantics and vertex_element/buffers.
     */
    if (!ctx->vs) {
-      const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
-                                      TGSI_SEMANTIC_GENERIC };
+      const enum tgsi_semantic semantic_names[] = {
+         TGSI_SEMANTIC_POSITION,
+         TGSI_SEMANTIC_GENERIC
+      };
       const uint semantic_indexes[] = { 0, 0 };
       ctx->vs = util_make_vertex_passthrough_shader(ctx->pipe, 2,
                                                     semantic_names,
@@ -219,7 +231,7 @@ set_vertex_shader(struct blit_state *ctx)
  * Get offset of next free slot in vertex buffer for quad vertices.
  */
 static unsigned
-get_next_slot( struct blit_state *ctx )
+get_next_slot(struct blit_state *ctx)
 {
    const unsigned max_slots = 4096 / sizeof ctx->vertices;
 
@@ -234,7 +246,7 @@ get_next_slot( struct blit_state *ctx )
                                      PIPE_USAGE_STREAM,
                                      max_slots * sizeof ctx->vertices);
    }
-   
+
    return ctx->vbuf_slot++ * sizeof ctx->vertices;
 }
 
@@ -250,7 +262,7 @@ get_next_slot( struct blit_state *ctx )
  */
 static unsigned
 setup_vertex_data_tex(struct blit_state *ctx,
-                      unsigned src_target,
+                      enum pipe_texture_target src_target,
                       unsigned src_face,
                       float x0, float y0, float x1, float y1,
                       float s0, float t0, float s1, float t1,
@@ -289,14 +301,15 @@ setup_vertex_data_tex(struct blit_state *ctx,
    if (src_target == PIPE_TEXTURE_CUBE ||
        src_target == PIPE_TEXTURE_CUBE_ARRAY) {
       /* Map cubemap texture coordinates inplace. */
-      const unsigned stride = sizeof ctx->vertices[0] / sizeof ctx->vertices[0][0][0];
+      const unsigned stride =
+         sizeof ctx->vertices[0] / sizeof ctx->vertices[0][0][0];
       util_map_texcoords2d_onto_cubemap(src_face,
                                         &ctx->vertices[0][1][0], stride,
                                         &ctx->vertices[0][1][0], stride,
                                         TRUE);
    }
 
-   offset = get_next_slot( ctx );
+   offset = get_next_slot(ctx);
 
    if (ctx->vbuf) {
       pipe_buffer_write_nooverlap(ctx->pipe, ctx->vbuf,
@@ -371,7 +384,8 @@ util_blit_pixels(struct blit_state *ctx,
                  struct pipe_surface *dst,
                  int dstX0, int dstY0,
                  int dstX1, int dstY1,
-                 float z, uint filter,
+                 ASSERTED float z,
+                 enum pipe_tex_filter filter,
                  uint writemask)
 {
    struct pipe_context *pipe = ctx->pipe;
@@ -491,8 +505,8 @@ util_blit_pixels(struct blit_state *ctx,
  * The sampler view's first_layer indicate the layer to use, but for
  * cube maps it must point to the first face.  Face is passed in src_face.
  *
- * The main advantage over util_blit_pixels is that it allows to specify swizzles in
- * pipe_sampler_view::swizzle_?.
+ * The main advantage over util_blit_pixels is that it allows to specify
+ * swizzles in pipe_sampler_view::swizzle_?.
  *
  * But there is no control over blitting Z and/or stencil.
  */
@@ -505,7 +519,8 @@ util_blit_pixels_tex(struct blit_state *ctx,
                      struct pipe_surface *dst,
                      int dstX0, int dstY0,
                      int dstX1, int dstY1,
-                     float z, uint filter)
+                     float z, enum pipe_tex_filter filter,
+                     boolean src_xrbias)
 {
    boolean normalized = src_sampler_view->texture->target != PIPE_TEXTURE_RECT;
    struct pipe_framebuffer_state fb;
@@ -525,8 +540,7 @@ util_blit_pixels_tex(struct blit_state *ctx,
    t0 = (float) srcY0;
    t1 = (float) srcY1;
 
-   if(normalized)
-   {
+   if (normalized) {
       /* normalize according to the mipmap level's size */
       int level = src_sampler_view->u.tex.first_level;
       float w = (float) u_minify(tex->width0, level);
@@ -540,6 +554,7 @@ util_blit_pixels_tex(struct blit_state *ctx,
    assert(ctx->pipe->screen->is_format_supported(ctx->pipe->screen, dst->format,
                                                  PIPE_TEXTURE_2D,
                                                  dst->texture->nr_samples,
+                                                 dst->texture->nr_storage_samples,
                                                  PIPE_BIND_RENDER_TARGET));
 
    /* save state (restored below) */
@@ -593,8 +608,8 @@ util_blit_pixels_tex(struct blit_state *ctx,
    cso_set_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT, 1, &src_sampler_view);
 
    /* shaders */
-   set_fragment_shader(ctx, TGSI_WRITEMASK_XYZW,
-                       src_sampler_view->format,
+   set_fragment_shader(ctx, src_sampler_view->format,
+                       src_xrbias,
                        src_sampler_view->texture->target);
    set_vertex_shader(ctx);
    cso_set_tessctrl_shader_handle(ctx->cso, NULL);
@@ -620,8 +635,7 @@ util_blit_pixels_tex(struct blit_state *ctx,
                                   s0, t0, s1, t1,
                                   z);
 
-   util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf,
-                           cso_get_aux_vertex_buffer_slot(ctx->cso),
+   util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf, 0,
                            offset,
                            PIPE_PRIM_TRIANGLE_FAN,
                            4,  /* verts */