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radeonsi: implement ARB_texture_cube_map_array

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No LLVM changes needed.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

v2: updated GL3.txt and relnotes
This commit is contained in:
Marek Olšák 2014-04-22 21:23:29 +02:00
parent cc71df5652
commit 2484daa4fd
5 changed files with 49 additions and 7 deletions
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2
docs/GL3.txt
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@ -118,7 +118,7 @@ GL 4.0:
GL_ARB_shader_subroutine not started
GL_ARB_tessellation_shader not started
GL_ARB_texture_buffer_object_rgb32 DONE (i965, nvc0, r600, radeonsi, softpipe)
GL_ARB_texture_cube_map_array DONE (i965, nv50, nvc0, r600, softpipe)
GL_ARB_texture_cube_map_array DONE (i965, nv50, nvc0, r600, radeonsi, softpipe)
GL_ARB_texture_gather DONE (i965, nv50, nvc0)
GL_ARB_transform_feedback2 DONE (i965, nv50, nvc0, r600, radeonsi)
GL_ARB_transform_feedback3 DONE (i965, nv50, nvc0, r600, radeonsi)

1
docs/relnotes/10.3.html
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@ -45,6 +45,7 @@ Note: some of the new features are only available with certain drivers.
<ul>
<li>GL_ARB_stencil_texturing on nv50, nvc0, r600, and radeonsi</li>
<li>GL_ARB_texture_cube_map_array on radeonsi</li>
</ul>

2
src/gallium/drivers/radeonsi/si_pipe.c
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@ -209,6 +209,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_TGSI_VS_LAYER:
case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
case PIPE_CAP_CUBE_MAP_ARRAY:
return 1;
case PIPE_CAP_TEXTURE_MULTISAMPLE:
@ -237,7 +238,6 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_VERTEX_COLOR_CLAMPED:
case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
case PIPE_CAP_USER_VERTEX_BUFFERS:
case PIPE_CAP_CUBE_MAP_ARRAY:
case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
case PIPE_CAP_TEXTURE_GATHER_SM5:
case PIPE_CAP_TGSI_TEXCOORD:

47
src/gallium/drivers/radeonsi/si_shader.c
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@ -1539,8 +1539,13 @@ static void tex_fetch_args(
/* Pack LOD bias value */
if (opcode == TGSI_OPCODE_TXB)
address[count++] = coords[3];
if (opcode == TGSI_OPCODE_TXB2)
address[count++] = lp_build_emit_fetch(bld_base, inst, 1, 0);
if (target == TGSI_TEXTURE_CUBE || target == TGSI_TEXTURE_SHADOWCUBE)
if (target == TGSI_TEXTURE_CUBE ||
target == TGSI_TEXTURE_CUBE_ARRAY ||
target == TGSI_TEXTURE_SHADOWCUBE ||
target == TGSI_TEXTURE_SHADOWCUBE_ARRAY)
radeon_llvm_emit_prepare_cube_coords(bld_base, emit_data, coords);
/* Pack depth comparison value */
@ -1577,6 +1582,8 @@ static void tex_fetch_args(
/* Pack LOD or sample index */
if (opcode == TGSI_OPCODE_TXL || opcode == TGSI_OPCODE_TXF)
address[count++] = coords[3];
if (opcode == TGSI_OPCODE_TXL2)
address[count++] = lp_build_emit_fetch(bld_base, inst, 1, 0);
if (count > 16) {
assert(!"Cannot handle more than 16 texture address parameters");
@ -1732,6 +1739,13 @@ static void tex_fetch_args(
emit_data->arg_count = 4;
}
/* The fetch opcode has been converted to a 2D array fetch.
* This simplifies the LLVM backend. */
if (target == TGSI_TEXTURE_CUBE_ARRAY)
target = TGSI_TEXTURE_2D_ARRAY;
else if (target == TGSI_TEXTURE_SHADOWCUBE_ARRAY)
target = TGSI_TEXTURE_SHADOW2D_ARRAY;
/* Dimensions */
emit_data->args[emit_data->arg_count - 1] =
lp_build_const_int32(bld_base->base.gallivm, target);
@ -1775,8 +1789,9 @@ static void txq_fetch_args(
struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
const struct tgsi_full_instruction *inst = emit_data->inst;
struct gallivm_state *gallivm = bld_base->base.gallivm;
unsigned target = inst->Texture.Texture;
if (inst->Texture.Texture == TGSI_TEXTURE_BUFFER) {
if (target == TGSI_TEXTURE_BUFFER) {
LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context);
LLVMTypeRef v8i32 = LLVMVectorType(i32, 8);
@ -1795,7 +1810,11 @@ static void txq_fetch_args(
/* Resource */
emit_data->args[1] = si_shader_ctx->resources[inst->Src[1].Register.Index];
/* Dimensions */
/* Texture target */
if (target == TGSI_TEXTURE_CUBE_ARRAY ||
target == TGSI_TEXTURE_SHADOWCUBE_ARRAY)
target = TGSI_TEXTURE_2D_ARRAY;
emit_data->args[2] = lp_build_const_int32(bld_base->base.gallivm,
inst->Texture.Texture);
@ -1810,13 +1829,30 @@ static void build_txq_intrinsic(const struct lp_build_tgsi_action * action,
struct lp_build_tgsi_context * bld_base,
struct lp_build_emit_data * emit_data)
{
if (emit_data->inst->Texture.Texture == TGSI_TEXTURE_BUFFER) {
unsigned target = emit_data->inst->Texture.Texture;
if (target == TGSI_TEXTURE_BUFFER) {
/* Just return the buffer size. */
emit_data->output[emit_data->chan] = emit_data->args[0];
return;
}
build_tgsi_intrinsic_nomem(action, bld_base, emit_data);
/* Divide the number of layers by 6 to get the number of cubes. */
if (target == TGSI_TEXTURE_CUBE_ARRAY ||
target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) {
LLVMBuilderRef builder = bld_base->base.gallivm->builder;
LLVMValueRef two = lp_build_const_int32(bld_base->base.gallivm, 2);
LLVMValueRef six = lp_build_const_int32(bld_base->base.gallivm, 6);
LLVMValueRef v4 = emit_data->output[emit_data->chan];
LLVMValueRef z = LLVMBuildExtractElement(builder, v4, two, "");
z = LLVMBuildSDiv(builder, z, six, "");
emit_data->output[emit_data->chan] =
LLVMBuildInsertElement(builder, v4, z, two, "");
}
}
#if HAVE_LLVM >= 0x0304
@ -2496,12 +2532,15 @@ int si_pipe_shader_create(
bld_base->emit_fetch_funcs[TGSI_FILE_CONSTANT] = fetch_constant;
bld_base->op_actions[TGSI_OPCODE_TEX] = tex_action;
bld_base->op_actions[TGSI_OPCODE_TEX2] = tex_action;
bld_base->op_actions[TGSI_OPCODE_TXB] = txb_action;
bld_base->op_actions[TGSI_OPCODE_TXB2] = txb_action;
#if HAVE_LLVM >= 0x0304
bld_base->op_actions[TGSI_OPCODE_TXD] = txd_action;
#endif
bld_base->op_actions[TGSI_OPCODE_TXF] = txf_action;
bld_base->op_actions[TGSI_OPCODE_TXL] = txl_action;
bld_base->op_actions[TGSI_OPCODE_TXL2] = txl_action;
bld_base->op_actions[TGSI_OPCODE_TXP] = tex_action;
bld_base->op_actions[TGSI_OPCODE_TXQ] = txq_action;

4
src/gallium/drivers/radeonsi/si_state.c
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@ -1312,6 +1312,7 @@ static unsigned si_tex_dim(unsigned dim, unsigned nr_samples)
case PIPE_TEXTURE_3D:
return V_008F1C_SQ_RSRC_IMG_3D;
case PIPE_TEXTURE_CUBE:
case PIPE_TEXTURE_CUBE_ARRAY:
return V_008F1C_SQ_RSRC_IMG_CUBE;
}
}
@ -2477,7 +2478,8 @@ static struct pipe_sampler_view *si_create_sampler_view(struct pipe_context *ctx
depth = texture->array_size;
} else if (texture->target == PIPE_TEXTURE_2D_ARRAY) {
depth = texture->array_size;
}
} else if (texture->target == PIPE_TEXTURE_CUBE_ARRAY)
depth = texture->array_size / 6;
va = r600_resource_va(ctx->screen, texture);
va += surflevel[0].offset;