[Mesa-dev] [PATCH v3 2/5] mesa, glsl: add support for EXT_shader_image_load_formatted

[Rhys Perry]

v3: rebase

Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
Reviewed-by: Marek Olšák <marek.olsak at amd.com> (v2)
---
 src/compiler/glsl/ast_to_hir.cpp         | 5 +++++
 src/compiler/glsl/glsl_parser_extras.cpp | 1 +
 src/compiler/glsl/glsl_parser_extras.h   | 7 +++++++
 src/mesa/main/extensions_table.h         | 1 +
 src/mesa/main/mtypes.h                   | 1 +
 5 files changed, 15 insertions(+)

diff --git a/src/compiler/glsl/ast_to_hir.cpp b/src/compiler/glsl/ast_to_hir.cpp
index 67a5a8c050..d9a57d37f6 100644
--- a/src/compiler/glsl/ast_to_hir.cpp
+++ b/src/compiler/glsl/ast_to_hir.cpp
@@ -3476,6 +3476,11 @@ apply_image_qualifier_to_variable(const struct ast_type_qualifier *qual,
       }
 
       var->data.image_format = qual->image_format;
+   } else if (state->has_image_load_formatted()) {
+      if (var->data.mode == ir_var_uniform &&
+          state->EXT_shader_image_load_formatted_warn) {
+         _mesa_glsl_warning(loc, state, "GL_EXT_image_load_formatted used");
+      }
    } else {
       if (var->data.mode == ir_var_uniform) {
          if (state->es_shader) {
diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp
index 2048a7f900..1e035e94d8 100644
--- a/src/compiler/glsl/glsl_parser_extras.cpp
+++ b/src/compiler/glsl/glsl_parser_extras.cpp
@@ -721,6 +721,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
    EXT(EXT_separate_shader_objects),
    EXT(EXT_shader_framebuffer_fetch),
    EXT(EXT_shader_framebuffer_fetch_non_coherent),
+   EXT(EXT_shader_image_load_formatted),
    EXT(EXT_shader_implicit_conversions),
    EXT(EXT_shader_integer_mix),
    EXT_AEP(EXT_shader_io_blocks),
diff --git a/src/compiler/glsl/glsl_parser_extras.h b/src/compiler/glsl/glsl_parser_extras.h
index b17b5125e0..63a5cca5d2 100644
--- a/src/compiler/glsl/glsl_parser_extras.h
+++ b/src/compiler/glsl/glsl_parser_extras.h
@@ -344,6 +344,11 @@ struct _mesa_glsl_parse_state {
       return ARB_bindless_texture_enable;
    }
 
+   bool has_image_load_formatted() const
+   {
+      return EXT_shader_image_load_formatted_enable;
+   }
+
    bool has_implicit_conversions() const
    {
       return EXT_shader_implicit_conversions_enable || is_version(120, 0);
@@ -816,6 +821,8 @@ struct _mesa_glsl_parse_state {
    bool EXT_shader_framebuffer_fetch_warn;
    bool EXT_shader_framebuffer_fetch_non_coherent_enable;
    bool EXT_shader_framebuffer_fetch_non_coherent_warn;
+   bool EXT_shader_image_load_formatted_enable;
+   bool EXT_shader_image_load_formatted_warn;
    bool EXT_shader_implicit_conversions_enable;
    bool EXT_shader_implicit_conversions_warn;
    bool EXT_shader_integer_mix_enable;
diff --git a/src/mesa/main/extensions_table.h b/src/mesa/main/extensions_table.h
index dad38124d5..c3eb019f81 100644
--- a/src/mesa/main/extensions_table.h
+++ b/src/mesa/main/extensions_table.h
@@ -264,6 +264,7 @@ EXT(EXT_separate_shader_objects             , dummy_true
 EXT(EXT_separate_specular_color             , dummy_true                             , GLL,  x ,  x ,  x , 1997)
 EXT(EXT_shader_framebuffer_fetch            , EXT_shader_framebuffer_fetch           , GLL, GLC,  x , ES2, 2013)
 EXT(EXT_shader_framebuffer_fetch_non_coherent, EXT_shader_framebuffer_fetch_non_coherent, GLL, GLC,  x, ES2, 2018)
+EXT(EXT_shader_image_load_formatted         , EXT_shader_image_load_formatted        , GLL, GLC,  x ,  x , 2014)
 EXT(EXT_shader_implicit_conversions         , dummy_true                             ,  x ,  x ,  x ,  31, 2013)
 EXT(EXT_shader_integer_mix                  , EXT_shader_integer_mix                 , GLL, GLC,  x ,  30, 2013)
 EXT(EXT_shader_io_blocks                    , dummy_true                             ,  x ,  x ,  x ,  31, 2014)
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 241c2b92f7..bd90727e26 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -4264,6 +4264,7 @@ struct gl_extensions
    GLboolean EXT_render_snorm;
    GLboolean EXT_semaphore;
    GLboolean EXT_semaphore_fd;
+   GLboolean EXT_shader_image_load_formatted;
    GLboolean EXT_shader_integer_mix;
    GLboolean EXT_shader_samples_identical;
    GLboolean EXT_stencil_two_side;
-- 
2.20.1