}
#include "brw_fs.h"
#include "glsl/ir_optimization.h"
-#include "glsl/ir_print_visitor.h"
+#include "glsl/glsl_parser_extras.h"
struct gl_shader *
brw_new_shader(struct gl_context *ctx, GLuint name, GLuint type)
return true;
}
+static void
+brw_lower_packing_builtins(struct brw_context *brw,
+ gl_shader_type shader_type,
+ exec_list *ir)
+{
+ int ops = LOWER_PACK_SNORM_2x16
+ | LOWER_UNPACK_SNORM_2x16
+ | LOWER_PACK_UNORM_2x16
+ | LOWER_UNPACK_UNORM_2x16
+ | LOWER_PACK_SNORM_4x8
+ | LOWER_UNPACK_SNORM_4x8
+ | LOWER_PACK_UNORM_4x8
+ | LOWER_UNPACK_UNORM_4x8;
+
+ if (brw->intel.gen >= 7) {
+ /* Gen7 introduced the f32to16 and f16to32 instructions, which can be
+ * used to execute packHalf2x16 and unpackHalf2x16. For AOS code, no
+ * lowering is needed. For SOA code, the Half2x16 ops must be
+ * scalarized.
+ */
+ if (shader_type == MESA_SHADER_FRAGMENT) {
+ ops |= LOWER_PACK_HALF_2x16_TO_SPLIT
+ | LOWER_UNPACK_HALF_2x16_TO_SPLIT;
+ }
+ } else {
+ ops |= LOWER_PACK_HALF_2x16
+ | LOWER_UNPACK_HALF_2x16;
+ }
+
+ lower_packing_builtins(ir, ops);
+}
+
GLboolean
brw_link_shader(struct gl_context *ctx, struct gl_shader_program *shProg)
{
return false;
prog->Parameters = _mesa_new_parameter_list();
- _mesa_generate_parameters_list_for_uniforms(shProg, &shader->base,
- prog->Parameters);
-
if (stage == 0) {
struct gl_vertex_program *vp = (struct gl_vertex_program *) prog;
vp->UsesClipDistance = shProg->Vert.UsesClipDistance;
shader->ir = new(shader) exec_list;
clone_ir_list(mem_ctx, shader->ir, shader->base.ir);
+ /* lower_packing_builtins() inserts arithmetic instructions, so it
+ * must precede lower_instructions().
+ */
+ brw_lower_packing_builtins(brw, (gl_shader_type) stage, shader->ir);
do_mat_op_to_vec(shader->ir);
+ const int bitfield_insert = intel->gen >= 7
+ ? BITFIELD_INSERT_TO_BFM_BFI
+ : 0;
+ const int lrp_to_arith = intel->gen < 6 ? LRP_TO_ARITH : 0;
lower_instructions(shader->ir,
MOD_TO_FRACT |
DIV_TO_MUL_RCP |
SUB_TO_ADD_NEG |
EXP_TO_EXP2 |
- LOG_TO_LOG2);
+ LOG_TO_LOG2 |
+ bitfield_insert |
+ lrp_to_arith);
/* Pre-gen6 HW can only nest if-statements 16 deep. Beyond this,
* if-statements need to be flattened.
lower_if_to_cond_assign(shader->ir, 16);
do_lower_texture_projection(shader->ir);
- brw_lower_texture_gradients(shader->ir);
+ brw_lower_texture_gradients(intel, shader->ir);
do_vec_index_to_cond_assign(shader->ir);
+ lower_vector_insert(shader->ir, true);
brw_do_cubemap_normalize(shader->ir);
lower_noise(shader->ir);
lower_quadop_vector(shader->ir, false);
lower_variable_index_to_cond_assign(shader->ir,
input, output, temp, uniform);
- if (unlikely((INTEL_DEBUG & DEBUG_PERF) && lowered_variable_indexing)) {
+ if (unlikely((intel->perf_debug) && lowered_variable_indexing)) {
perf_debug("Unsupported form of variable indexing in FS; falling "
"back to very inefficient code generation\n");
}
false /* loops */
) || progress;
- progress = do_common_optimization(shader->ir, true, true, 32)
+ progress = do_common_optimization(shader->ir, true, true, 32,
+ &ctx->ShaderCompilerOptions[stage])
|| progress;
} while (progress);
* uniforms that are used. This has to be done now (during linking).
* Code generation doesn't happen until the first time this shader is
* used for rendering. Waiting until then to generate the parameters is
- * too late. At that point, the values for the built-in informs won't
+ * too late. At that point, the values for the built-in uniforms won't
* get sent to the shader.
*/
foreach_list(node, shader->ir) {
_mesa_reference_program(ctx, &shader->base.Program, prog);
+ brw_add_texrect_params(prog);
+
/* This has to be done last. Any operation that can cause
* prog->ParameterValues to get reallocated (e.g., anything that adds a
* program constant) has to happen before creating this linkage.
_mesa_reference_program(ctx, &prog, NULL);
if (ctx->Shader.Flags & GLSL_DUMP) {
- static const char *target_strings[]
- = { "vertex", "fragment", "geometry" };
printf("\n");
- printf("GLSL IR for linked %s program %d:\n", target_strings[stage],
- shProg->Name);
+ printf("GLSL IR for linked %s program %d:\n",
+ _mesa_glsl_shader_target_name(shader->base.Type), shProg->Name);
_mesa_print_ir(shader->base.ir, NULL);
+ printf("\n");
+ }
+ }
+
+ if (ctx->Shader.Flags & GLSL_DUMP) {
+ for (unsigned i = 0; i < shProg->NumShaders; i++) {
+ const struct gl_shader *sh = shProg->Shaders[i];
+ if (!sh)
+ continue;
+
+ printf("GLSL %s shader %d source for linked program %d:\n",
+ _mesa_glsl_shader_target_name(sh->Type),
+ i,
+ shProg->Name);
+ printf("%s", sh->Source);
+ printf("\n");
}
}
* way to trip up if we don't.
*/
return BRW_REGISTER_TYPE_UD;
- default:
+ case GLSL_TYPE_VOID:
+ case GLSL_TYPE_ERROR:
+ case GLSL_TYPE_INTERFACE:
assert(!"not reached");
- return BRW_REGISTER_TYPE_F;
+ break;
}
+
+ return BRW_REGISTER_TYPE_F;
}
uint32_t
}
return offset_bits;
}
+
+const char *
+brw_instruction_name(enum opcode op)
+{
+ char *fallback;
+
+ if (op < ARRAY_SIZE(opcode_descs) && opcode_descs[op].name)
+ return opcode_descs[op].name;
+
+ switch (op) {
+ case FS_OPCODE_FB_WRITE:
+ return "fb_write";
+
+ case SHADER_OPCODE_RCP:
+ return "rcp";
+ case SHADER_OPCODE_RSQ:
+ return "rsq";
+ case SHADER_OPCODE_SQRT:
+ return "sqrt";
+ case SHADER_OPCODE_EXP2:
+ return "exp2";
+ case SHADER_OPCODE_LOG2:
+ return "log2";
+ case SHADER_OPCODE_POW:
+ return "pow";
+ case SHADER_OPCODE_INT_QUOTIENT:
+ return "int_quot";
+ case SHADER_OPCODE_INT_REMAINDER:
+ return "int_rem";
+ case SHADER_OPCODE_SIN:
+ return "sin";
+ case SHADER_OPCODE_COS:
+ return "cos";
+
+ case SHADER_OPCODE_TEX:
+ return "tex";
+ case SHADER_OPCODE_TXD:
+ return "txd";
+ case SHADER_OPCODE_TXF:
+ return "txf";
+ case SHADER_OPCODE_TXL:
+ return "txl";
+ case SHADER_OPCODE_TXS:
+ return "txs";
+ case FS_OPCODE_TXB:
+ return "txb";
+ case SHADER_OPCODE_TXF_MS:
+ return "txf_ms";
+
+ case FS_OPCODE_DDX:
+ return "ddx";
+ case FS_OPCODE_DDY:
+ return "ddy";
+
+ case FS_OPCODE_PIXEL_X:
+ return "pixel_x";
+ case FS_OPCODE_PIXEL_Y:
+ return "pixel_y";
+
+ case FS_OPCODE_CINTERP:
+ return "cinterp";
+ case FS_OPCODE_LINTERP:
+ return "linterp";
+
+ case FS_OPCODE_SPILL:
+ return "spill";
+ case FS_OPCODE_UNSPILL:
+ return "unspill";
+
+ case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD:
+ return "uniform_pull_const";
+ case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD_GEN7:
+ return "uniform_pull_const_gen7";
+ case FS_OPCODE_VARYING_PULL_CONSTANT_LOAD:
+ return "varying_pull_const";
+ case FS_OPCODE_VARYING_PULL_CONSTANT_LOAD_GEN7:
+ return "varying_pull_const_gen7";
+
+ case FS_OPCODE_MOV_DISPATCH_TO_FLAGS:
+ return "mov_dispatch_to_flags";
+ case FS_OPCODE_DISCARD_JUMP:
+ return "discard_jump";
+
+ case FS_OPCODE_SET_SIMD4X2_OFFSET:
+ return "set_simd4x2_offset";
+
+ case FS_OPCODE_PACK_HALF_2x16_SPLIT:
+ return "pack_half_2x16_split";
+ case FS_OPCODE_UNPACK_HALF_2x16_SPLIT_X:
+ return "unpack_half_2x16_split_x";
+ case FS_OPCODE_UNPACK_HALF_2x16_SPLIT_Y:
+ return "unpack_half_2x16_split_y";
+
+ case FS_OPCODE_PLACEHOLDER_HALT:
+ return "placeholder_halt";
+
+ case VS_OPCODE_URB_WRITE:
+ return "urb_write";
+ case VS_OPCODE_SCRATCH_READ:
+ return "scratch_read";
+ case VS_OPCODE_SCRATCH_WRITE:
+ return "scratch_write";
+ case VS_OPCODE_PULL_CONSTANT_LOAD:
+ return "pull_constant_load";
+ case VS_OPCODE_PULL_CONSTANT_LOAD_GEN7:
+ return "pull_constant_load_gen7";
+
+ default:
+ /* Yes, this leaks. It's in debug code, it should never occur, and if
+ * it does, you should just add the case to the list above.
+ */
+ asprintf(&fallback, "op%d", op);
+ return fallback;
+ }
+}
+
+bool
+backend_instruction::is_tex()
+{
+ return (opcode == SHADER_OPCODE_TEX ||
+ opcode == FS_OPCODE_TXB ||
+ opcode == SHADER_OPCODE_TXD ||
+ opcode == SHADER_OPCODE_TXF ||
+ opcode == SHADER_OPCODE_TXF_MS ||
+ opcode == SHADER_OPCODE_TXL ||
+ opcode == SHADER_OPCODE_TXS ||
+ opcode == SHADER_OPCODE_LOD);
+}
+
+bool
+backend_instruction::is_math()
+{
+ return (opcode == SHADER_OPCODE_RCP ||
+ opcode == SHADER_OPCODE_RSQ ||
+ opcode == SHADER_OPCODE_SQRT ||
+ opcode == SHADER_OPCODE_EXP2 ||
+ opcode == SHADER_OPCODE_LOG2 ||
+ opcode == SHADER_OPCODE_SIN ||
+ opcode == SHADER_OPCODE_COS ||
+ opcode == SHADER_OPCODE_INT_QUOTIENT ||
+ opcode == SHADER_OPCODE_INT_REMAINDER ||
+ opcode == SHADER_OPCODE_POW);
+}
+
+bool
+backend_instruction::is_control_flow()
+{
+ switch (opcode) {
+ case BRW_OPCODE_DO:
+ case BRW_OPCODE_WHILE:
+ case BRW_OPCODE_IF:
+ case BRW_OPCODE_ELSE:
+ case BRW_OPCODE_ENDIF:
+ case BRW_OPCODE_BREAK:
+ case BRW_OPCODE_CONTINUE:
+ return true;
+ default:
+ return false;
+ }
+}
+
+void
+backend_visitor::dump_instructions()
+{
+ int ip = 0;
+ foreach_list(node, &this->instructions) {
+ backend_instruction *inst = (backend_instruction *)node;
+ printf("%d: ", ip++);
+ dump_instruction(inst);
+ }
+}
projects / mesa.git / blobdiff