diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/.gitignore | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/Makefile.am | 7 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/test_vec4_copy_propagation.cpp | 156 |
3 files changed, 164 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/.gitignore b/src/mesa/drivers/dri/i965/.gitignore index 777e8d9214b..3cf4ba03dbf 100644 --- a/src/mesa/drivers/dri/i965/.gitignore +++ b/src/mesa/drivers/dri/i965/.gitignore @@ -1,4 +1,5 @@ i965_symbols_test test_eu_compact +test_vec4_copy_propagation test_vec4_register_coalesce test_blorp_blit_eu_gen diff --git a/src/mesa/drivers/dri/i965/Makefile.am b/src/mesa/drivers/dri/i965/Makefile.am index 54a38bdbd43..7ab376cc12f 100644 --- a/src/mesa/drivers/dri/i965/Makefile.am +++ b/src/mesa/drivers/dri/i965/Makefile.am @@ -55,6 +55,7 @@ TEST_LIBS = \ TESTS = \ test_eu_compact \ + test_vec4_copy_propagation \ test_vec4_register_coalesce \ test_blorp_blit_eu_gen @@ -66,6 +67,12 @@ test_vec4_register_coalesce_LDADD = \ $(TEST_LIBS) \ $(top_builddir)/src/gtest/libgtest.la +test_vec4_copy_propagation_SOURCES = \ + test_vec4_copy_propagation.cpp +test_vec4_copy_propagation_LDADD = \ + $(TEST_LIBS) \ + $(top_builddir)/src/gtest/libgtest.la + test_eu_compact_SOURCES = \ test_eu_compact.c nodist_EXTRA_test_eu_compact_SOURCES = dummy.cpp diff --git a/src/mesa/drivers/dri/i965/test_vec4_copy_propagation.cpp b/src/mesa/drivers/dri/i965/test_vec4_copy_propagation.cpp new file mode 100644 index 00000000000..cb70096e58c --- /dev/null +++ b/src/mesa/drivers/dri/i965/test_vec4_copy_propagation.cpp @@ -0,0 +1,156 @@ +/* + * Copyright © 2014 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include <gtest/gtest.h> +#include "brw_vec4.h" +#include "brw_vs.h" + +using namespace brw; + +int ret = 0; + +class copy_propagation_test : public ::testing::Test { + virtual void SetUp(); + +public: + struct brw_context *brw; + struct gl_context *ctx; + struct gl_shader_program *shader_prog; + struct brw_vertex_program *vp; + vec4_visitor *v; +}; + +class copy_propagation_vec4_visitor : public vec4_visitor +{ +public: + copy_propagation_vec4_visitor(struct brw_context *brw, + struct gl_shader_program *shader_prog) + : vec4_visitor(brw, NULL, NULL, NULL, NULL, shader_prog, + MESA_SHADER_VERTEX, NULL, + false, false /* no_spills */, + ST_NONE, ST_NONE, ST_NONE) + { + } + +protected: + virtual dst_reg *make_reg_for_system_value(ir_variable *ir) + { + assert(!"Not reached"); + return NULL; + } + + virtual void setup_payload() + { + assert(!"Not reached"); + } + + virtual void emit_prolog() + { + assert(!"Not reached"); + } + + virtual void emit_program_code() + { + assert(!"Not reached"); + } + + virtual void emit_thread_end() + { + assert(!"Not reached"); + } + + virtual void emit_urb_write_header(int mrf) + { + assert(!"Not reached"); + } + + virtual vec4_instruction *emit_urb_write_opcode(bool complete) + { + assert(!"Not reached"); + unreachable(); + } +}; + + +void copy_propagation_test::SetUp() +{ + brw = (struct brw_context *)calloc(1, sizeof(*brw)); + ctx = &brw->ctx; + + vp = ralloc(NULL, struct brw_vertex_program); + + shader_prog = ralloc(NULL, struct gl_shader_program); + + v = new copy_propagation_vec4_visitor(brw, shader_prog); + + _mesa_init_vertex_program(ctx, &vp->program, GL_VERTEX_SHADER, 0); + + brw->gen = 4; +} + +static void +copy_propagation(vec4_visitor *v) +{ + bool print = false; + + if (print) { + fprintf(stderr, "instructions before:\n"); + v->dump_instructions(); + } + + v->opt_copy_propagation(); + + if (print) { + fprintf(stderr, "instructions after:\n"); + v->dump_instructions(); + } +} + +TEST_F(copy_propagation_test, test_swizzle_swizzle) +{ + dst_reg a = dst_reg(v, glsl_type::vec4_type); + dst_reg b = dst_reg(v, glsl_type::vec4_type); + dst_reg c = dst_reg(v, glsl_type::vec4_type); + + v->emit(v->ADD(a, src_reg(a), src_reg(a))); + + v->emit(v->MOV(b, swizzle(src_reg(a), BRW_SWIZZLE4(SWIZZLE_Y, + SWIZZLE_Z, + SWIZZLE_W, + SWIZZLE_X)))); + + vec4_instruction *test_mov = + v->MOV(c, swizzle(src_reg(b), BRW_SWIZZLE4(SWIZZLE_Y, + SWIZZLE_Z, + SWIZZLE_W, + SWIZZLE_X))); + v->emit(test_mov); + + copy_propagation(v); + + EXPECT_EQ(test_mov->src[0].reg, a.reg); + EXPECT_EQ(test_mov->src[0].swizzle, BRW_SWIZZLE4(SWIZZLE_Z, + SWIZZLE_W, + SWIZZLE_X, + SWIZZLE_Y)); +} |