gallium: introduce PIPE_CAP_LOAD_CONSTBUF
[mesa.git] / src / gallium / drivers / i915 / i915_state_static.c
index 70b3dffee3ddde0acdc11f2f636a7356f564063b..9a7ea227ecf2beeefbbdba758bb1d78df7066120 100644 (file)
@@ -28,7 +28,7 @@
 #include "i915_context.h"
 #include "i915_state.h"
 #include "i915_resource.h"
-
+#include "i915_screen.h"
 
 
 /***********************************************************************
@@ -38,9 +38,23 @@ static unsigned translate_format(enum pipe_format format)
 {
    switch (format) {
    case PIPE_FORMAT_B8G8R8A8_UNORM:
+   case PIPE_FORMAT_B8G8R8A8_SRGB:
+   case PIPE_FORMAT_B8G8R8X8_UNORM:
+   case PIPE_FORMAT_R8G8B8A8_UNORM:
+   case PIPE_FORMAT_R8G8B8X8_UNORM:
       return COLOR_BUF_ARGB8888;
    case PIPE_FORMAT_B5G6R5_UNORM:
       return COLOR_BUF_RGB565;
+   case PIPE_FORMAT_B5G5R5A1_UNORM:
+      return COLOR_BUF_ARGB1555;
+   case PIPE_FORMAT_B4G4R4A4_UNORM:
+      return COLOR_BUF_ARGB4444;
+   case PIPE_FORMAT_B10G10R10A2_UNORM:
+      return COLOR_BUF_ARGB2101010;
+   case PIPE_FORMAT_L8_UNORM:
+   case PIPE_FORMAT_A8_UNORM:
+   case PIPE_FORMAT_I8_UNORM:
+      return COLOR_BUF_8BIT;
    default:
       assert(0);
       return 0;
@@ -51,7 +65,7 @@ static unsigned translate_depth_format(enum pipe_format zformat)
 {
    switch (zformat) {
    case PIPE_FORMAT_Z24X8_UNORM:
-   case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+   case PIPE_FORMAT_Z24_UNORM_S8_UINT:
       return DEPTH_FRMT_24_FIXED_8_OTHER;
    case PIPE_FORMAT_Z16_UNORM:
       return DEPTH_FRMT_16_FIXED;
@@ -82,10 +96,9 @@ static void update_framebuffer(struct i915_context *i915)
 {
    struct pipe_surface *cbuf_surface = i915->framebuffer.cbufs[0];
    struct pipe_surface *depth_surface = i915->framebuffer.zsbuf;
-   unsigned cformat, zformat;
-   unsigned x, y, w, h;
+   unsigned x, y;
    int layer;
-   uint32_t draw_offset;
+   uint32_t draw_offset, draw_size;
 
    if (cbuf_surface) {
       struct i915_texture *tex = i915_texture(cbuf_surface->texture);
@@ -95,7 +108,6 @@ static void update_framebuffer(struct i915_context *i915)
       i915->current.cbuf_flags = BUF_3D_ID_COLOR_BACK |
                                  BUF_3D_PITCH(tex->stride) |  /* pitch in bytes */
                                  buf_3d_tiling_bits(tex->tiling);
-      cformat = cbuf_surface->format;
 
       layer = cbuf_surface->u.tex.first_layer;
 
@@ -103,10 +115,9 @@ static void update_framebuffer(struct i915_context *i915)
       y = tex->image_offset[cbuf_surface->u.tex.level][layer].nblocksy;
    } else {
       i915->current.cbuf_bo = NULL;
-      cformat = PIPE_FORMAT_B8G8R8A8_UNORM; /* arbitrary */
       x = y = 0;
    }
-   cformat = translate_format(cformat);
+   i915->static_dirty |= I915_DST_BUF_COLOR;
 
    /* What happens if no zbuf??
     */
@@ -115,35 +126,30 @@ static void update_framebuffer(struct i915_context *i915)
       unsigned offset = i915_texture_offset(tex, depth_surface->u.tex.level,
                                             depth_surface->u.tex.first_layer);
       assert(tex);
-      assert(offset == 0);
+      if (offset != 0)
+         debug_printf("Depth offset is %d\n",offset);
 
       i915->current.depth_bo = tex->buffer;
       i915->current.depth_flags = BUF_3D_ID_DEPTH |
                                   BUF_3D_PITCH(tex->stride) |  /* pitch in bytes */
                                   buf_3d_tiling_bits(tex->tiling);
-      zformat = translate_depth_format(depth_surface->format);
-   } else {
+   } else
       i915->current.depth_bo = NULL;
-      zformat = 0;
-   }
-
-   i915->current.dst_buf_vars = DSTORG_HORT_BIAS(0x8) | /* .5 */
-                                DSTORG_VERT_BIAS(0x8) | /* .5 */
-                                LOD_PRECLAMP_OGL |
-                                TEX_DEFAULT_COLOR_OGL |
-                                cformat |
-                                zformat;
+   i915->static_dirty |= I915_DST_BUF_DEPTH;
 
    /* drawing rect calculations */
    draw_offset = x | (y << 16);
+   draw_size = (i915->framebuffer.width - 1 + x) |
+               ((i915->framebuffer.height - 1 + y) << 16);
    if (i915->current.draw_offset != draw_offset) {
       i915->current.draw_offset = draw_offset;
       i915_set_flush_dirty(i915, I915_PIPELINE_FLUSH);
+      i915->static_dirty |= I915_DST_RECT;
+   }
+   if (i915->current.draw_size != draw_size) {
+      i915->current.draw_size = draw_size;
+      i915->static_dirty |= I915_DST_RECT;
    }
-
-   w = i915->framebuffer.width;
-   h = i915->framebuffer.height;
-   i915->current.draw_size = (w - 1 + x) | ((h - 1 + y) << 16);
 
    i915->hardware_dirty |= I915_HW_STATIC;
 
@@ -156,3 +162,94 @@ struct i915_tracked_state i915_hw_framebuffer = {
    update_framebuffer,
    I915_NEW_FRAMEBUFFER
 };
+
+static uint32_t need_target_fixup(struct pipe_surface* p, uint32_t *fixup)
+{
+   const struct
+   {
+      enum pipe_format format;
+      uint hw_swizzle;
+   } fixup_formats[] = {
+      { PIPE_FORMAT_R8G8B8A8_UNORM, 0x21030000 /* BGRA */},
+      { PIPE_FORMAT_R8G8B8X8_UNORM, 0x21030000 /* BGRX */},
+      { PIPE_FORMAT_L8_UNORM,       0x00030000 /* RRRA */},
+      { PIPE_FORMAT_I8_UNORM,       0x00030000 /* RRRA */},
+      { PIPE_FORMAT_A8_UNORM,       0x33330000 /* AAAA */},
+      { PIPE_FORMAT_NONE,           0x00000000},
+   };
+
+   enum pipe_format f;
+   /* if we don't have a surface bound yet, we don't need to fixup the shader */
+   if (!p)
+      return 0;
+
+   f = p->format;
+   for(int i = 0; fixup_formats[i].format != PIPE_FORMAT_NONE; i++)
+      if (fixup_formats[i].format == f) {
+         *fixup = fixup_formats[i].hw_swizzle;
+         return f;
+      }
+
+   *fixup = 0;
+   return 0;
+}
+
+static void update_dst_buf_vars(struct i915_context *i915)
+{
+   struct pipe_surface *cbuf_surface = i915->framebuffer.cbufs[0];
+   struct pipe_surface *depth_surface = i915->framebuffer.zsbuf;
+   uint32_t dst_buf_vars, cformat, zformat;
+   uint32_t early_z = 0;
+   uint32_t fixup = 0;
+   int need_fixup;
+
+   if (cbuf_surface)
+      cformat = cbuf_surface->format;
+   else
+      cformat = PIPE_FORMAT_B8G8R8A8_UNORM; /* arbitrary */
+   cformat = translate_format(cformat);
+
+   if (depth_surface) {
+      struct i915_texture *tex = i915_texture(depth_surface->texture);
+      struct i915_screen *is = i915_screen(i915->base.screen);
+
+      zformat = translate_depth_format(depth_surface->format);
+
+      if (is->is_i945 && tex->tiling != I915_TILE_NONE
+            && !i915->fs->info.writes_z)
+         early_z = CLASSIC_EARLY_DEPTH;
+   } else
+      zformat = 0;
+
+   dst_buf_vars = DSTORG_HORT_BIAS(0x8) | /* .5 */
+                  DSTORG_VERT_BIAS(0x8) | /* .5 */
+                  LOD_PRECLAMP_OGL |
+                  TEX_DEFAULT_COLOR_OGL |
+                  cformat |
+                  zformat |
+                  early_z;
+
+   if (i915->current.dst_buf_vars != dst_buf_vars) {
+      if (early_z != (i915->current.dst_buf_vars & CLASSIC_EARLY_DEPTH))
+         i915_set_flush_dirty(i915, I915_PIPELINE_FLUSH);
+
+      i915->current.dst_buf_vars = dst_buf_vars;
+      i915->static_dirty |= I915_DST_VARS;
+      i915->hardware_dirty |= I915_HW_STATIC;
+   }
+
+   need_fixup = need_target_fixup(cbuf_surface, &fixup);
+   if (i915->current.target_fixup_format != need_fixup ||
+         i915->current.fixup_swizzle != fixup) {
+      i915->current.target_fixup_format = need_fixup;
+      i915->current.fixup_swizzle = fixup;
+      /* we also send a new program to make sure the fixup for RGBA surfaces happens */
+      i915->hardware_dirty |= I915_HW_PROGRAM;
+   }
+}
+
+struct i915_tracked_state i915_hw_dst_buf_vars = {
+   "dst buf vars",
+   update_dst_buf_vars,
+   I915_NEW_FRAMEBUFFER | I915_NEW_FS
+};