[PATCH 1/6] wined3d: Unroll SM4+ pixel shader inputs.
Józef Kucia
jkucia at codeweavers.com
Tue Oct 17 17:25:05 CDT 2017
In order to add interpolation qualifiers per shader input.
Hull shader outputs are not unrolled because they can be accessed
through the indexable vocp register.
Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
dlls/wined3d/glsl_shader.c | 67 +++++++++++++++++++++++++++++++++++-----------
1 file changed, 51 insertions(+), 16 deletions(-)
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 6a4d32a4c8fe..ba89ea1c5396 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -840,7 +840,7 @@ static void shader_glsl_generate_transform_feedback_varyings(const struct wined3
continue;
}
- string_buffer_sprintf(buffer, "shader_in_out.reg[%u]", e->register_idx);
+ string_buffer_sprintf(buffer, "shader_in_out.reg%u", e->register_idx);
append_transform_feedback_varying(varyings, &count, &strings, &length, buffer);
}
@@ -2124,21 +2124,53 @@ static const char *shader_glsl_shader_output_name(const struct wined3d_gl_info *
}
static void shader_glsl_declare_shader_inputs(const struct wined3d_gl_info *gl_info,
- struct wined3d_string_buffer *buffer, unsigned int element_count)
+ struct wined3d_string_buffer *buffer, unsigned int element_count, BOOL unroll)
{
+ unsigned int i;
+
if (shader_glsl_use_interface_blocks(gl_info))
- shader_addline(buffer, "in shader_in_out { vec4 reg[%u]; } shader_in;\n", element_count);
+ {
+ if (unroll)
+ {
+ shader_addline(buffer, "in shader_in_out {\n");
+ for (i = 0; i < element_count; ++i)
+ shader_addline(buffer, " vec4 reg%u;\n", i);
+ shader_addline(buffer, "} shader_in;\n");
+ }
+ else
+ {
+ shader_addline(buffer, "in shader_in_out { vec4 reg[%u]; } shader_in;\n", element_count);
+ }
+ }
else
+ {
declare_in_varying(gl_info, buffer, FALSE, "vec4 ps_link[%u];\n", element_count);
+ }
}
static void shader_glsl_declare_shader_outputs(const struct wined3d_gl_info *gl_info,
- struct wined3d_string_buffer *buffer, unsigned int element_count)
+ struct wined3d_string_buffer *buffer, unsigned int element_count, BOOL rasterizer_setup)
{
+ unsigned int i;
+
if (shader_glsl_use_interface_blocks(gl_info))
- shader_addline(buffer, "out shader_in_out { vec4 reg[%u]; } shader_out;\n", element_count);
+ {
+ if (rasterizer_setup)
+ {
+ shader_addline(buffer, "out shader_in_out {\n");
+ for (i = 0; i < element_count; ++i)
+ shader_addline(buffer, " vec4 reg%u;\n", i);
+ shader_addline(buffer, "} shader_out;\n");
+ }
+ else
+ {
+ shader_addline(buffer, "out shader_in_out { vec4 reg[%u]; } shader_out;\n", element_count);
+ }
+ }
else
+ {
declare_out_varying(gl_info, buffer, FALSE, "vec4 ps_link[%u];\n", element_count);
+ }
}
static const char *get_fragment_output(const struct wined3d_gl_info *gl_info)
@@ -6531,7 +6563,7 @@ static void shader_glsl_dp2add(const struct wined3d_shader_instruction *ins)
static void shader_glsl_input_pack(const struct wined3d_shader *shader, struct wined3d_string_buffer *buffer,
const struct wined3d_shader_signature *input_signature,
const struct wined3d_shader_reg_maps *reg_maps,
- const struct ps_compile_args *args, const struct wined3d_gl_info *gl_info)
+ const struct ps_compile_args *args, const struct wined3d_gl_info *gl_info, BOOL unroll)
{
unsigned int i;
@@ -6578,7 +6610,7 @@ static void shader_glsl_input_pack(const struct wined3d_shader *shader, struct w
{
if (input->sysval_semantic)
FIXME("Unhandled sysval semantic %#x.\n", input->sysval_semantic);
- shader_addline(buffer, "ps_in[%u]%s = %s[%u]%s;\n",
+ shader_addline(buffer, unroll ? "ps_in[%u]%s = %s%u%s;\n" : "ps_in[%u]%s = %s[%u]%s;\n",
shader->u.ps.input_reg_map[input->register_idx], reg_mask,
shader_glsl_shader_input_name(gl_info),
shader->u.ps.input_reg_map[input->register_idx], reg_mask);
@@ -6772,7 +6804,8 @@ static void shader_glsl_setup_vs3_output(struct shader_glsl_priv *priv,
static void shader_glsl_setup_sm4_shader_output(struct shader_glsl_priv *priv,
unsigned int input_count, const struct wined3d_shader_signature *output_signature,
- const struct wined3d_shader_reg_maps *reg_maps_out, const char *output_variable_name)
+ const struct wined3d_shader_reg_maps *reg_maps_out, const char *output_variable_name,
+ BOOL rasterizer_setup)
{
struct wined3d_string_buffer *buffer = &priv->shader_buffer;
char reg_mask[6];
@@ -6793,7 +6826,8 @@ static void shader_glsl_setup_sm4_shader_output(struct shader_glsl_priv *priv,
shader_glsl_write_mask_to_str(output->mask, reg_mask);
- shader_addline(buffer, "%s.reg[%u]%s = outputs[%u]%s;\n",
+ shader_addline(buffer,
+ rasterizer_setup ? "%s.reg%u%s = outputs[%u]%s;\n" : "%s.reg[%u]%s = outputs[%u]%s;\n",
output_variable_name, output->register_idx, reg_mask, output->register_idx, reg_mask);
}
}
@@ -6852,7 +6886,7 @@ static void shader_glsl_setup_sm3_rasterizer_input(struct shader_glsl_priv *priv
shader_glsl_setup_vs3_output(priv, gl_info, map, input_signature, reg_maps_in,
output_signature, reg_maps_out);
else
- shader_glsl_setup_sm4_shader_output(priv, input_count, output_signature, reg_maps_out, "shader_out");
+ shader_glsl_setup_sm4_shader_output(priv, input_count, output_signature, reg_maps_out, "shader_out", TRUE);
}
/* Context activation is done by the caller. */
@@ -6984,7 +7018,7 @@ static GLuint shader_glsl_generate_vs3_rasterizer_input_setup(struct shader_glsl
{
unsigned int in_count = min(vec4_varyings(ps_major, gl_info), ps->limits->packed_input);
- shader_glsl_declare_shader_outputs(gl_info, buffer, in_count);
+ shader_glsl_declare_shader_outputs(gl_info, buffer, in_count, FALSE);
shader_addline(buffer, "void setup_vs_output(in vec4 outputs[%u])\n{\n", vs->limits->packed_output);
shader_glsl_setup_sm3_rasterizer_input(priv, gl_info, ps->u.ps.input_reg_map, &ps->input_signature,
&ps->reg_maps, 0, &vs->output_signature, &vs->reg_maps, per_vertex_point_size);
@@ -7010,7 +7044,7 @@ static void shader_glsl_generate_sm4_output_setup(struct shader_glsl_priv *priv,
input_count = min(vec4_varyings(4, gl_info), input_count);
if (input_count)
- shader_glsl_declare_shader_outputs(gl_info, buffer, input_count);
+ shader_glsl_declare_shader_outputs(gl_info, buffer, input_count, rasterizer_setup);
shader_addline(buffer, "void setup_%s_output(in vec4 outputs[%u])\n{\n",
prefix, shader->limits->packed_output);
@@ -7020,7 +7054,7 @@ static void shader_glsl_generate_sm4_output_setup(struct shader_glsl_priv *priv,
NULL, input_count, &shader->output_signature, &shader->reg_maps, FALSE);
else
shader_glsl_setup_sm4_shader_output(priv, input_count, &shader->output_signature,
- &shader->reg_maps, "shader_out");
+ &shader->reg_maps, "shader_out", rasterizer_setup);
shader_addline(buffer, "}\n");
}
@@ -7343,7 +7377,7 @@ static GLuint shader_glsl_generate_pshader(const struct wined3d_context *context
unsigned int in_count = min(vec4_varyings(version->major, gl_info), shader->limits->packed_input);
if (args->vp_mode == vertexshader && reg_maps->input_registers)
- shader_glsl_declare_shader_inputs(gl_info, buffer, in_count);
+ shader_glsl_declare_shader_inputs(gl_info, buffer, in_count, version->major >= 4);
shader_addline(buffer, "vec4 %s_in[%u];\n", prefix, in_count);
}
@@ -7474,7 +7508,8 @@ static GLuint shader_glsl_generate_pshader(const struct wined3d_context *context
/* Pack 3.0 inputs */
if (reg_maps->shader_version.major >= 3)
- shader_glsl_input_pack(shader, buffer, &shader->input_signature, reg_maps, args, gl_info);
+ shader_glsl_input_pack(shader, buffer, &shader->input_signature, reg_maps, args, gl_info,
+ reg_maps->shader_version.major >= 4);
/* Base Shader Body */
if (FAILED(shader_generate_code(shader, buffer, reg_maps, &priv_ctx, NULL, NULL)))
@@ -7703,7 +7738,7 @@ static GLuint shader_glsl_generate_hull_shader(const struct wined3d_context *con
shader_addline(buffer, "void setup_hs_output(in vec4 outputs[%u])\n{\n",
shader->limits->packed_output);
shader_glsl_setup_sm4_shader_output(priv, shader->limits->packed_output, &shader->output_signature,
- &shader->reg_maps, "shader_out[gl_InvocationID]");
+ &shader->reg_maps, "shader_out[gl_InvocationID]", FALSE);
shader_addline(buffer, "}\n");
}
--
2.13.6
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