gallivm: add compute jit interface.

This adds the jit interface for compute shaders, it's based
on the fragment shader one.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Dave Airlie
2019-08-27 14:32:46 +10:00
parent 3879f69b50
commit 25f46ae9aa
3 changed files with 196 additions and 1 deletions

View File

@@ -316,3 +316,102 @@ lp_jit_init_types(struct lp_fragment_shader_variant *lp)
if (!lp->jit_context_ptr_type)
lp_jit_create_types(lp);
}
static void
lp_jit_create_cs_types(struct lp_compute_shader_variant *lp)
{
struct gallivm_state *gallivm = lp->gallivm;
LLVMContextRef lc = gallivm->context;
LLVMTypeRef texture_type, sampler_type, image_type;
texture_type = create_jit_texture_type(gallivm);
sampler_type = create_jit_sampler_type(gallivm);
image_type = create_jit_image_type(gallivm);
/* struct lp_jit_cs_thread_data */
{
LLVMTypeRef elem_types[LP_JIT_CS_THREAD_DATA_COUNT];
LLVMTypeRef thread_data_type;
elem_types[LP_JIT_CS_THREAD_DATA_CACHE] =
LLVMPointerType(lp_build_format_cache_type(gallivm), 0);
elem_types[LP_JIT_CS_THREAD_DATA_SHARED] = LLVMPointerType(LLVMInt32TypeInContext(lc), 0);
thread_data_type = LLVMStructTypeInContext(lc, elem_types,
ARRAY_SIZE(elem_types), 0);
lp->jit_cs_thread_data_ptr_type = LLVMPointerType(thread_data_type, 0);
}
/* struct lp_jit_cs_context */
{
LLVMTypeRef elem_types[LP_JIT_CS_CTX_COUNT];
LLVMTypeRef cs_context_type;
elem_types[LP_JIT_CS_CTX_CONSTANTS] =
LLVMArrayType(LLVMPointerType(LLVMFloatTypeInContext(lc), 0), LP_MAX_TGSI_CONST_BUFFERS);
elem_types[LP_JIT_CS_CTX_NUM_CONSTANTS] =
LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TGSI_CONST_BUFFERS);
elem_types[LP_JIT_CS_CTX_TEXTURES] = LLVMArrayType(texture_type,
PIPE_MAX_SHADER_SAMPLER_VIEWS);
elem_types[LP_JIT_CS_CTX_SAMPLERS] = LLVMArrayType(sampler_type,
PIPE_MAX_SAMPLERS);
elem_types[LP_JIT_CS_CTX_IMAGES] = LLVMArrayType(image_type,
PIPE_MAX_SHADER_IMAGES);
elem_types[LP_JIT_CS_CTX_SSBOS] =
LLVMArrayType(LLVMPointerType(LLVMInt32TypeInContext(lc), 0), LP_MAX_TGSI_SHADER_BUFFERS);
elem_types[LP_JIT_CS_CTX_NUM_SSBOS] =
LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TGSI_SHADER_BUFFERS);
elem_types[LP_JIT_CS_CTX_SHARED_SIZE] = LLVMInt32TypeInContext(lc);
cs_context_type = LLVMStructTypeInContext(lc, elem_types,
ARRAY_SIZE(elem_types), 0);
LP_CHECK_MEMBER_OFFSET(struct lp_jit_cs_context, constants,
gallivm->target, cs_context_type,
LP_JIT_CS_CTX_CONSTANTS);
LP_CHECK_MEMBER_OFFSET(struct lp_jit_cs_context, num_constants,
gallivm->target, cs_context_type,
LP_JIT_CS_CTX_NUM_CONSTANTS);
LP_CHECK_MEMBER_OFFSET(struct lp_jit_cs_context, textures,
gallivm->target, cs_context_type,
LP_JIT_CS_CTX_TEXTURES);
LP_CHECK_MEMBER_OFFSET(struct lp_jit_cs_context, samplers,
gallivm->target, cs_context_type,
LP_JIT_CS_CTX_SAMPLERS);
LP_CHECK_MEMBER_OFFSET(struct lp_jit_cs_context, images,
gallivm->target, cs_context_type,
LP_JIT_CS_CTX_IMAGES);
LP_CHECK_MEMBER_OFFSET(struct lp_jit_cs_context, ssbos,
gallivm->target, cs_context_type,
LP_JIT_CS_CTX_SSBOS);
LP_CHECK_MEMBER_OFFSET(struct lp_jit_cs_context, num_ssbos,
gallivm->target, cs_context_type,
LP_JIT_CS_CTX_NUM_SSBOS);
LP_CHECK_MEMBER_OFFSET(struct lp_jit_cs_context, shared_size,
gallivm->target, cs_context_type,
LP_JIT_CS_CTX_SHARED_SIZE);
LP_CHECK_STRUCT_SIZE(struct lp_jit_cs_context,
gallivm->target, cs_context_type);
lp->jit_cs_context_ptr_type = LLVMPointerType(cs_context_type, 0);
}
if (gallivm_debug & GALLIVM_DEBUG_IR) {
#if HAVE_LLVM >= 0x304
char *str = LLVMPrintModuleToString(gallivm->module);
fprintf(stderr, "%s", str);
LLVMDisposeMessage(str);
#else
LLVMDumpModule(gallivm->module);
#endif
}
}
void
lp_jit_init_cs_types(struct lp_compute_shader_variant *lp)
{
if (!lp->jit_cs_context_ptr_type)
lp_jit_create_cs_types(lp);
}

View File

@@ -45,6 +45,7 @@
struct lp_build_format_cache;
struct lp_fragment_shader_variant;
struct lp_compute_shader_variant;
struct llvmpipe_screen;
@@ -292,6 +293,94 @@ typedef void
unsigned depth_stride);
struct lp_jit_cs_thread_data
{
struct lp_build_format_cache *cache;
void *shared;
};
enum {
LP_JIT_CS_THREAD_DATA_CACHE = 0,
LP_JIT_CS_THREAD_DATA_SHARED = 1,
LP_JIT_CS_THREAD_DATA_COUNT
};
#define lp_jit_cs_thread_data_cache(_gallivm, _ptr) \
lp_build_struct_get(_gallivm, _ptr, LP_JIT_CS_THREAD_DATA_CACHE, "cache")
#define lp_jit_cs_thread_data_shared(_gallivm, _ptr) \
lp_build_struct_get(_gallivm, _ptr, LP_JIT_CS_THREAD_DATA_SHARED, "shared")
struct lp_jit_cs_context
{
const float *constants[LP_MAX_TGSI_CONST_BUFFERS];
int num_constants[LP_MAX_TGSI_CONST_BUFFERS];
struct lp_jit_texture textures[PIPE_MAX_SHADER_SAMPLER_VIEWS];
struct lp_jit_sampler samplers[PIPE_MAX_SAMPLERS];
struct lp_jit_image images[PIPE_MAX_SHADER_IMAGES];
const uint32_t *ssbos[LP_MAX_TGSI_SHADER_BUFFERS];
int num_ssbos[LP_MAX_TGSI_SHADER_BUFFERS];
uint32_t shared_size;
};
/**
* These enum values must match the position of the fields in the
* lp_jit_context struct above.
*/
enum {
LP_JIT_CS_CTX_CONSTANTS = 0,
LP_JIT_CS_CTX_NUM_CONSTANTS,
LP_JIT_CS_CTX_TEXTURES, /* must match the LP_JIT_CTX_TEXTURES */
LP_JIT_CS_CTX_SAMPLERS,
LP_JIT_CS_CTX_IMAGES,
LP_JIT_CS_CTX_SSBOS,
LP_JIT_CS_CTX_NUM_SSBOS,
LP_JIT_CS_CTX_SHARED_SIZE,
LP_JIT_CS_CTX_COUNT
};
#define lp_jit_cs_context_constants(_gallivm, _ptr) \
lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CS_CTX_CONSTANTS, "constants")
#define lp_jit_cs_context_num_constants(_gallivm, _ptr) \
lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CS_CTX_NUM_CONSTANTS, "num_constants")
#define lp_jit_cs_context_textures(_gallivm, _ptr) \
lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CS_CTX_TEXTURES, "textures")
#define lp_jit_cs_context_samplers(_gallivm, _ptr) \
lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CS_CTX_SAMPLERS, "samplers")
#define lp_jit_cs_context_images(_gallivm, _ptr) \
lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CS_CTX_IMAGES, "images")
#define lp_jit_cs_context_ssbos(_gallivm, _ptr) \
lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CS_CTX_SSBOS, "ssbos")
#define lp_jit_cs_context_num_ssbos(_gallivm, _ptr) \
lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CS_CTX_NUM_SSBOS, "num_ssbos")
#define lp_jit_cs_context_shared_size(_gallivm, _ptr) \
lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CS_CTX_SHARED_SIZE, "shared_size")
typedef void
(*lp_jit_cs_func)(const struct lp_jit_cs_context *context,
uint32_t x,
uint32_t y,
uint32_t z,
uint32_t grid_x,
uint32_t grid_y,
uint32_t grid_z,
uint32_t grid_size_x,
uint32_t grid_size_y,
uint32_t grid_size_z,
struct lp_jit_cs_thread_data *thread_data);
void
lp_jit_screen_cleanup(struct llvmpipe_screen *screen);
@@ -303,5 +392,6 @@ lp_jit_screen_init(struct llvmpipe_screen *screen);
void
lp_jit_init_types(struct lp_fragment_shader_variant *lp);
void
lp_jit_init_cs_types(struct lp_compute_shader_variant *lp);
#endif /* LP_JIT_H */

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@@ -30,6 +30,8 @@
#include "util/u_thread.h"
#include "pipe/p_state.h"
#include "gallivm/lp_bld.h"
#include "lp_jit.h"
struct lp_compute_shader_variant;
struct lp_compute_shader_variant_key
@@ -47,6 +49,9 @@ struct lp_compute_shader_variant
struct lp_compute_shader_variant_key key;
struct gallivm_state *gallivm;
LLVMTypeRef jit_cs_context_ptr_type;
LLVMTypeRef jit_cs_thread_data_ptr_type;
};
struct lp_compute_shader {
@@ -56,6 +61,7 @@ struct lp_compute_shader {
};
struct lp_cs_exec {
struct lp_jit_cs_context jit_context;
struct lp_compute_shader_variant *variant;
};