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vk/image: Add anv_image::h_align,v_align

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Use the new fields to compute RENDER_SURFACE_STATE.Surface*Alignment.
We still hardcode them to 4, though.
This commit is contained in:
Chad Versace 2015-06-09 12:11:46 -07:00
parent 58afc24e57
commit e6162c2fef
2 changed files with 35 additions and 4 deletions
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24
src/vulkan/image.c
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@ -31,6 +31,18 @@
// Image functions
static const uint8_t anv_halign[] = {
[4] = HALIGN4,
[8] = HALIGN8,
[16] = HALIGN16,
};
static const uint8_t anv_valign[] = {
[4] = VALIGN4,
[8] = VALIGN8,
[16] = VALIGN16,
};
static const struct anv_tile_mode_info {
int32_t tile_width;
int32_t tile_height;
@ -86,6 +98,10 @@ VkResult anv_image_create(
if (extra)
image->tile_mode = extra->tile_mode;
/* FINISHME: Stop hardcoding miptree image alignment */
image->h_align = 4;
image->v_align = 4;
if (image->tile_mode == LINEAR) {
/* Linear depth buffers must be 64 byte aligned, which is the strictest
* requirement for all kinds of linear surfaces.
@ -192,8 +208,8 @@ anv_image_view_init(struct anv_surface_view *view,
.SurfaceType = SURFTYPE_2D,
.SurfaceArray = false,
.SurfaceFormat = format,
.SurfaceVerticalAlignment = VALIGN4,
.SurfaceHorizontalAlignment = HALIGN4,
.SurfaceVerticalAlignment = anv_valign[image->v_align],
.SurfaceHorizontalAlignment = anv_halign[image->h_align],
.TileMode = tile_mode,
.VerticalLineStride = 0,
.VerticalLineStrideOffset = 0,
@ -283,8 +299,8 @@ anv_color_attachment_view_init(struct anv_surface_view *view,
.SurfaceType = SURFTYPE_2D,
.SurfaceArray = false,
.SurfaceFormat = format->format,
.SurfaceVerticalAlignment = VALIGN4,
.SurfaceHorizontalAlignment = HALIGN4,
.SurfaceVerticalAlignment = anv_valign[image->v_align],
.SurfaceHorizontalAlignment = anv_halign[image->h_align],
.TileMode = image->tile_mode,
.VerticalLineStride = 0,
.VerticalLineStrideOffset = 0,

15
src/vulkan/private.h
View file

@ -738,6 +738,21 @@ struct anv_image {
VkDeviceSize offset;
struct anv_swap_chain * swap_chain;
/**
* \name Alignment of miptree images, in units of pixels.
*
* These fields contain the actual alignment values, not the values the
* hardware expects. For example, if h_align is 4, then program the hardware
* with HALIGN_4.
*
* \see RENDER_SURFACE_STATE.SurfaceHorizontalAlignment
* \see RENDER_SURFACE_STATE.SurfaceVerticalAlignment
* \{
*/
uint8_t h_align;
uint8_t v_align;
/** \} */
};
struct anv_surface_view {