[Mesa-dev] [PATCH 02/23] glsl: Add image type to the GLSL IR.

Francisco Jerez currojerez at riseup.net
Tue Nov 26 00:02:18 PST 2013


---
 src/glsl/ast_to_hir.cpp                      |  1 +
 src/glsl/glsl_types.cpp                      | 23 +++++++++++++++++++++++
 src/glsl/glsl_types.h                        | 22 ++++++++++++++++++++++
 src/glsl/ir_clone.cpp                        |  1 +
 src/glsl/link_uniform_initializers.cpp       |  1 +
 src/mesa/drivers/dri/i965/brw_fs_visitor.cpp |  1 +
 src/mesa/program/ir_to_mesa.cpp              |  2 ++
 src/mesa/state_tracker/st_glsl_to_tgsi.cpp   |  1 +
 8 files changed, 52 insertions(+)

diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index 43cf497..e7c4ff4 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -948,6 +948,7 @@ do_comparison(void *mem_ctx, int operation, ir_rvalue *op0, ir_rvalue *op1)
    case GLSL_TYPE_ERROR:
    case GLSL_TYPE_VOID:
    case GLSL_TYPE_SAMPLER:
+   case GLSL_TYPE_IMAGE:
    case GLSL_TYPE_INTERFACE:
    case GLSL_TYPE_ATOMIC_UINT:
       /* I assume a comparison of a struct containing a sampler just
diff --git a/src/glsl/glsl_types.cpp b/src/glsl/glsl_types.cpp
index f740130..e24417d 100644
--- a/src/glsl/glsl_types.cpp
+++ b/src/glsl/glsl_types.cpp
@@ -80,6 +80,24 @@ glsl_type::glsl_type(GLenum gl_type,
    memset(& fields, 0, sizeof(fields));
 }
 
+glsl_type::glsl_type(GLenum gl_type,
+		     enum glsl_image_dim dim, bool array,
+		     glsl_base_type type, const char *name) :
+   gl_type(gl_type),
+   base_type(GLSL_TYPE_IMAGE),
+   sampler_dimensionality(0), sampler_shadow(0),
+   sampler_array(0), sampler_type(0), interface_packing(0),
+   vector_elements(1), matrix_columns(1),
+   length(0), fields()
+{
+   init_ralloc_type_ctx();
+   assert(name != NULL);
+   this->name = ralloc_strdup(this->mem_ctx, name);
+   fields.image.type = type;
+   fields.image.dimension = dim;
+   fields.image.array = array;
+}
+
 glsl_type::glsl_type(const glsl_struct_field *fields, unsigned num_fields,
 		     const char *name) :
    gl_type(0),
@@ -172,6 +190,7 @@ bool
 glsl_type::contains_opaque() const {
    switch (base_type) {
    case GLSL_TYPE_SAMPLER:
+   case GLSL_TYPE_IMAGE:
    case GLSL_TYPE_ATOMIC_UINT:
       return true;
    case GLSL_TYPE_ARRAY:
@@ -618,6 +637,9 @@ glsl_type::component_slots() const
    case GLSL_TYPE_ARRAY:
       return this->length * this->fields.array->component_slots();
 
+   case GLSL_TYPE_IMAGE:
+      return 1;
+
    case GLSL_TYPE_SAMPLER:
    case GLSL_TYPE_ATOMIC_UINT:
    case GLSL_TYPE_VOID:
@@ -908,6 +930,7 @@ glsl_type::count_attribute_slots() const
       return this->length * this->fields.array->count_attribute_slots();
 
    case GLSL_TYPE_SAMPLER:
+   case GLSL_TYPE_IMAGE:
    case GLSL_TYPE_ATOMIC_UINT:
    case GLSL_TYPE_VOID:
    case GLSL_TYPE_ERROR:
diff --git a/src/glsl/glsl_types.h b/src/glsl/glsl_types.h
index 96eee5e..ea65bcd 100644
--- a/src/glsl/glsl_types.h
+++ b/src/glsl/glsl_types.h
@@ -53,6 +53,7 @@ enum glsl_base_type {
    GLSL_TYPE_FLOAT,
    GLSL_TYPE_BOOL,
    GLSL_TYPE_SAMPLER,
+   GLSL_TYPE_IMAGE,
    GLSL_TYPE_ATOMIC_UINT,
    GLSL_TYPE_STRUCT,
    GLSL_TYPE_INTERFACE,
@@ -72,6 +73,16 @@ enum glsl_sampler_dim {
    GLSL_SAMPLER_DIM_MS
 };
 
+enum glsl_image_dim {
+   GLSL_IMAGE_DIM_1D,
+   GLSL_IMAGE_DIM_2D,
+   GLSL_IMAGE_DIM_3D,
+   GLSL_IMAGE_DIM_RECT,
+   GLSL_IMAGE_DIM_CUBE,
+   GLSL_IMAGE_DIM_BUFFER,
+   GLSL_IMAGE_DIM_MS
+};
+
 enum glsl_interface_packing {
    GLSL_INTERFACE_PACKING_STD140,
    GLSL_INTERFACE_PACKING_SHARED,
@@ -152,6 +163,12 @@ struct glsl_type {
       const struct glsl_type *array;            /**< Type of array elements. */
       const struct glsl_type *parameters;       /**< Parameters to function. */
       struct glsl_struct_field *structure;      /**< List of struct fields. */
+
+      struct {
+         glsl_base_type type; /**< Image data type as seen by the shader. */
+         glsl_image_dim dimension; /**< Base dimensionality of this image. */
+         bool array; /**< True if this is an array image type. */
+      } image;
    } fields;
 
    /**
@@ -562,6 +579,11 @@ private:
 	     enum glsl_sampler_dim dim, bool shadow, bool array,
 	     unsigned type, const char *name);
 
+   /** Constructor for image types */
+   glsl_type(GLenum gl_type,
+	     enum glsl_image_dim dim, bool array,
+	     glsl_base_type type, const char *name);
+
    /** Constructor for record types */
    glsl_type(const glsl_struct_field *fields, unsigned num_fields,
 	     const char *name);
diff --git a/src/glsl/ir_clone.cpp b/src/glsl/ir_clone.cpp
index 40ed33a..ed26aae 100644
--- a/src/glsl/ir_clone.cpp
+++ b/src/glsl/ir_clone.cpp
@@ -398,6 +398,7 @@ ir_constant::clone(void *mem_ctx, struct hash_table *ht) const
    }
 
    case GLSL_TYPE_SAMPLER:
+   case GLSL_TYPE_IMAGE:
    case GLSL_TYPE_ATOMIC_UINT:
    case GLSL_TYPE_VOID:
    case GLSL_TYPE_ERROR:
diff --git a/src/glsl/link_uniform_initializers.cpp b/src/glsl/link_uniform_initializers.cpp
index 786aaf0..f02978c 100644
--- a/src/glsl/link_uniform_initializers.cpp
+++ b/src/glsl/link_uniform_initializers.cpp
@@ -69,6 +69,7 @@ copy_constant_to_storage(union gl_constant_value *storage,
 	 break;
       case GLSL_TYPE_ARRAY:
       case GLSL_TYPE_STRUCT:
+      case GLSL_TYPE_IMAGE:
       case GLSL_TYPE_ATOMIC_UINT:
       case GLSL_TYPE_INTERFACE:
       case GLSL_TYPE_VOID:
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 9eb9a9d..3b08f6f 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -820,6 +820,7 @@ fs_visitor::emit_assignment_writes(fs_reg &l, fs_reg &r,
       break;
 
    case GLSL_TYPE_SAMPLER:
+   case GLSL_TYPE_IMAGE:
    case GLSL_TYPE_ATOMIC_UINT:
       break;
 
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index c833a12..17490cd 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -618,6 +618,7 @@ type_size(const struct glsl_type *type)
       }
       return size;
    case GLSL_TYPE_SAMPLER:
+   case GLSL_TYPE_IMAGE:
       /* Samplers take up one slot in UNIFORMS[], but they're baked in
        * at link time.
        */
@@ -2599,6 +2600,7 @@ _mesa_associate_uniform_storage(struct gl_context *ctx,
 	    columns = 1;
 	    break;
 	 case GLSL_TYPE_SAMPLER:
+	 case GLSL_TYPE_IMAGE:
 	    format = uniform_native;
 	    columns = 1;
 	    break;
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index ac95968..08d5807 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -983,6 +983,7 @@ type_size(const struct glsl_type *type)
       }
       return size;
    case GLSL_TYPE_SAMPLER:
+   case GLSL_TYPE_IMAGE:
       /* Samplers take up one slot in UNIFORMS[], but they're baked in
        * at link time.
        */
-- 
1.8.3.4



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