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vkd3d-shader/hlsl: Allocate register spaces for constant buffers.

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Elizabeth Figura 2023-08-29 12:30:00 -05:00 committed by Henri Verbeet
parent 28a5e23814
commit 7b61b0219e
Notes: Henri Verbeet 2024-06-11 17:09:29 +02:00 
Approved-by: Francisco Casas (@fcasas)
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/865
2 changed files with 22 additions and 12 deletions
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2
libs/vkd3d-shader/hlsl.h
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@ -271,6 +271,8 @@ struct hlsl_reg
* ignored.
* For numeric registers "index" is not used. */
uint32_t index;
/* Register space of a descriptor. Not used for numeric registers. */
uint32_t space;
/* Number of registers to be allocated.
* Unlike the variable's type's regsize, it is not expressed in register components, but rather
* in whole registers, and may depend on which components are used within the shader. */

32
libs/vkd3d-shader/hlsl_codegen.c
View File

@ -4767,13 +4767,14 @@ static void allocate_semantic_registers(struct hlsl_ctx *ctx)
}
}
static const struct hlsl_buffer *get_reserved_buffer(struct hlsl_ctx *ctx, uint32_t index)
static const struct hlsl_buffer *get_reserved_buffer(struct hlsl_ctx *ctx, uint32_t space, uint32_t index)
{
const struct hlsl_buffer *buffer;
LIST_FOR_EACH_ENTRY(buffer, &ctx->buffers, const struct hlsl_buffer, entry)
{
if (buffer->used_size && buffer->reservation.reg_type == 'b' && buffer->reservation.reg_index == index)
if (buffer->used_size && buffer->reservation.reg_type == 'b'
&& buffer->reservation.reg_space == space && buffer->reservation.reg_index == index)
return buffer;
}
return NULL;
@ -4943,33 +4944,40 @@ static void allocate_buffers(struct hlsl_ctx *ctx)
if (buffer->type == HLSL_BUFFER_CONSTANT)
{
if (buffer->reservation.reg_type == 'b')
const struct hlsl_reg_reservation *reservation = &buffer->reservation;
if (reservation->reg_type == 'b')
{
const struct hlsl_buffer *reserved_buffer = get_reserved_buffer(ctx, buffer->reservation.reg_index);
const struct hlsl_buffer *reserved_buffer = get_reserved_buffer(ctx,
reservation->reg_space, reservation->reg_index);
if (reserved_buffer && reserved_buffer != buffer)
{
hlsl_error(ctx, &buffer->loc, VKD3D_SHADER_ERROR_HLSL_OVERLAPPING_RESERVATIONS,
"Multiple buffers bound to index %u.", buffer->reservation.reg_index);
"Multiple buffers bound to space %u, index %u.",
reservation->reg_space, reservation->reg_index);
hlsl_note(ctx, &reserved_buffer->loc, VKD3D_SHADER_LOG_ERROR,
"Buffer %s is already bound to index %u.",
reserved_buffer->name, buffer->reservation.reg_index);
"Buffer %s is already bound to space %u, index %u.",
reserved_buffer->name, reservation->reg_space, reservation->reg_index);
}
buffer->reg.index = buffer->reservation.reg_index;
buffer->reg.space = reservation->reg_space;
buffer->reg.index = reservation->reg_index;
if (hlsl_version_ge(ctx, 5, 1))
buffer->reg.id = id++;
else
buffer->reg.id = buffer->reg.index;
buffer->reg.allocation_size = 1;
buffer->reg.allocated = true;
TRACE("Allocated reserved %s to index %u, id %u.\n", buffer->name, buffer->reg.index, buffer->reg.id);
TRACE("Allocated reserved %s to space %u, index %u, id %u.\n",
buffer->name, buffer->reg.space, buffer->reg.index, buffer->reg.id);
}
else if (!buffer->reservation.reg_type)
else if (!reservation->reg_type)
{
while (get_reserved_buffer(ctx, index))
while (get_reserved_buffer(ctx, 0, index))
++index;
buffer->reg.space = 0;
buffer->reg.index = index;
if (hlsl_version_ge(ctx, 5, 1))
buffer->reg.id = id++;
@ -4977,7 +4985,7 @@ static void allocate_buffers(struct hlsl_ctx *ctx)
buffer->reg.id = buffer->reg.index;
buffer->reg.allocation_size = 1;
buffer->reg.allocated = true;
TRACE("Allocated %s to index %u, id %u.\n", buffer->name, buffer->reg.index, buffer->reg.id);
TRACE("Allocated %s to space 0, index %u, id %u.\n", buffer->name, buffer->reg.index, buffer->reg.id);
++index;
}
else