svga: disable GLSL IR loop unrolling
NIR loop unrolling is already enabled so just let it do its job. Here we also fix up the force unroll settings. Reviewed-by: Emma Anholt <emma@anholt.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16366>
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@ -554,9 +554,8 @@ vgpu9_get_shader_param(struct pipe_screen *screen,
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case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
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case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
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case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
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return 0;
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case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
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return 32;
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return 0;
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}
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/* If we get here, we failed to handle a cap above */
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debug_printf("Unexpected fragment shader query %u\n", param);
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@ -622,9 +621,8 @@ vgpu9_get_shader_param(struct pipe_screen *screen,
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case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
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case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
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case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
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return 0;
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case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
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return 32;
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return 0;
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}
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/* If we get here, we failed to handle a cap above */
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debug_printf("Unexpected vertex shader query %u\n", param);
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@ -745,11 +743,10 @@ vgpu10_get_shader_param(struct pipe_screen *screen,
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case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
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return sws->have_gl43 ? SVGA_MAX_ATOMIC_BUFFERS : 0;
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case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
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case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
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case PIPE_SHADER_CAP_INT64_ATOMICS:
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return 0;
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case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
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return 32;
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default:
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debug_printf("Unexpected vgpu10 shader query %u\n", param);
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return 0;
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@ -776,9 +773,17 @@ vgpu10_get_shader_param(struct pipe_screen *screen,
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.lower_fmod = true, \
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.lower_fpow = true
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static const nir_shader_compiler_options svga_vgpu9_compiler_options = {
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static const nir_shader_compiler_options svga_vgpu9_fragment_compiler_options = {
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COMMON_OPTIONS,
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.lower_bitops = true,
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.force_indirect_unrolling = nir_var_all,
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.force_indirect_unrolling_sampler = true,
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};
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static const nir_shader_compiler_options svga_vgpu9_vertex_compiler_options = {
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COMMON_OPTIONS,
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.lower_bitops = true,
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.force_indirect_unrolling = nir_var_function_temp,
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.force_indirect_unrolling_sampler = true,
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};
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@ -807,8 +812,12 @@ svga_get_compiler_options(struct pipe_screen *pscreen,
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return &svga_gl4_compiler_options;
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else if (sws->have_vgpu10)
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return &svga_vgpu10_compiler_options;
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else {
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if (shader == PIPE_SHADER_FRAGMENT)
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return &svga_vgpu9_fragment_compiler_options;
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else
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return &svga_vgpu9_compiler_options;
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return &svga_vgpu9_vertex_compiler_options;
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}
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}
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static int
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