It only handles OpenGL shaders.
--- /dev/null
+#include "config.h"
+
+#include "gskshaderbuilderprivate.h"
+
+#include "gskdebugprivate.h"
+
+#include <gdk/gdk.h>
+#include <epoxy/gl.h>
+
+typedef struct {
+ int program_id;
+
+ GHashTable *uniform_locations;
+ GHashTable *attribute_locations;
+} ShaderProgram;
+
+struct _GskShaderBuilder
+{
+ GObject parent_instance;
+
+ char *resource_base_path;
+ char *vertex_preamble;
+ char *fragment_preamble;
+
+ int version;
+
+ GPtrArray *defines;
+ GPtrArray *uniforms;
+ GPtrArray *attributes;
+
+ GHashTable *programs;
+};
+
+G_DEFINE_TYPE (GskShaderBuilder, gsk_shader_builder, G_TYPE_OBJECT)
+
+static void
+shader_program_free (gpointer data)
+{
+ ShaderProgram *p = data;
+
+ g_clear_pointer (&p->uniform_locations, g_hash_table_unref);
+ g_clear_pointer (&p->attribute_locations, g_hash_table_unref);
+
+ g_slice_free (ShaderProgram, data);
+}
+
+static ShaderProgram *
+shader_program_new (int program_id)
+{
+ ShaderProgram *p = g_slice_new (ShaderProgram);
+
+ p->program_id = program_id;
+
+ p->uniform_locations = g_hash_table_new (g_direct_hash, g_direct_equal);
+ p->attribute_locations = g_hash_table_new (g_direct_hash, g_direct_equal);
+
+ return p;
+}
+
+static void
+gsk_shader_builder_finalize (GObject *gobject)
+{
+ GskShaderBuilder *self = GSK_SHADER_BUILDER (gobject);
+
+ g_free (self->resource_base_path);
+ g_free (self->vertex_preamble);
+ g_free (self->fragment_preamble);
+
+ g_clear_pointer (&self->defines, g_ptr_array_unref);
+ g_clear_pointer (&self->uniforms, g_ptr_array_unref);
+ g_clear_pointer (&self->attributes, g_ptr_array_unref);
+
+ g_clear_pointer (&self->programs, g_hash_table_unref);
+
+ G_OBJECT_CLASS (gsk_shader_builder_parent_class)->finalize (gobject);
+}
+
+static void
+gsk_shader_builder_class_init (GskShaderBuilderClass *klass)
+{
+ G_OBJECT_CLASS (klass)->finalize = gsk_shader_builder_finalize;
+}
+
+static void
+gsk_shader_builder_init (GskShaderBuilder *self)
+{
+ self->defines = g_ptr_array_new_with_free_func (g_free);
+ self->uniforms = g_ptr_array_new_with_free_func (g_free);
+ self->attributes = g_ptr_array_new_with_free_func (g_free);
+
+ self->programs = g_hash_table_new_full (g_direct_hash, g_direct_equal,
+ NULL,
+ shader_program_free);
+}
+
+GskShaderBuilder *
+gsk_shader_builder_new (void)
+{
+ return g_object_new (GSK_TYPE_SHADER_BUILDER, NULL);
+}
+
+void
+gsk_shader_builder_set_resource_base_path (GskShaderBuilder *builder,
+ const char *base_path)
+{
+ g_return_if_fail (GSK_IS_SHADER_BUILDER (builder));
+
+ g_free (builder->resource_base_path);
+ builder->resource_base_path = g_strdup (base_path);
+}
+
+void
+gsk_shader_builder_set_vertex_preamble (GskShaderBuilder *builder,
+ const char *vertex_preamble)
+{
+ g_return_if_fail (GSK_IS_SHADER_BUILDER (builder));
+
+ g_free (builder->vertex_preamble);
+ builder->vertex_preamble = g_strdup (vertex_preamble);
+}
+
+void
+gsk_shader_builder_set_fragment_preamble (GskShaderBuilder *builder,
+ const char *fragment_preamble)
+{
+ g_return_if_fail (GSK_IS_SHADER_BUILDER (builder));
+
+ g_free (builder->fragment_preamble);
+ builder->fragment_preamble = g_strdup (fragment_preamble);
+}
+
+void
+gsk_shader_builder_set_version (GskShaderBuilder *builder,
+ int version)
+{
+ g_return_if_fail (GSK_IS_SHADER_BUILDER (builder));
+
+ builder->version = version;
+}
+
+void
+gsk_shader_builder_add_define (GskShaderBuilder *builder,
+ const char *define_name,
+ const char *define_value)
+{
+ g_return_if_fail (GSK_IS_SHADER_BUILDER (builder));
+ g_return_if_fail (define_name != NULL && *define_name != '\0');
+ g_return_if_fail (define_value != NULL && *define_value != '\0');
+
+ g_ptr_array_add (builder->defines, g_strdup (define_name));
+ g_ptr_array_add (builder->defines, g_strdup (define_value));
+}
+
+GQuark
+gsk_shader_builder_add_uniform (GskShaderBuilder *builder,
+ const char *uniform_name)
+{
+ g_return_val_if_fail (GSK_IS_SHADER_BUILDER (builder), 0);
+ g_return_val_if_fail (uniform_name != NULL, 0);
+
+ g_ptr_array_add (builder->uniforms, g_strdup (uniform_name));
+
+ return g_quark_from_string (uniform_name);
+}
+
+GQuark
+gsk_shader_builder_add_attribute (GskShaderBuilder *builder,
+ const char *attribute_name)
+{
+ g_return_val_if_fail (GSK_IS_SHADER_BUILDER (builder), 0);
+ g_return_val_if_fail (attribute_name != NULL, 0);
+
+ g_ptr_array_add (builder->attributes, g_strdup (attribute_name));
+
+ return g_quark_from_string (attribute_name);
+}
+
+static gboolean
+lookup_shader_code (GString *code,
+ const char *base_path,
+ const char *shader_file,
+ GError **error)
+{
+ GBytes *source;
+ char *path;
+
+ if (base_path != NULL)
+ path = g_build_filename (base_path, shader_file, NULL);
+ else
+ path = g_strdup (shader_file);
+
+ source = g_resources_lookup_data (path, 0, error);
+ g_free (path);
+
+ if (source == NULL)
+ return FALSE;
+
+ g_string_append (code, g_bytes_get_data (source, NULL));
+
+ g_bytes_unref (source);
+
+ return TRUE;
+}
+
+static int
+gsk_shader_builder_compile_shader (GskShaderBuilder *builder,
+ int shader_type,
+ const char *shader_preamble,
+ const char *shader_source,
+ GError **error)
+{
+ GString *code;
+ char *source;
+ int shader_id;
+ int status;
+ int i;
+
+ code = g_string_new (NULL);
+
+ if (builder->version > 0)
+ {
+ g_string_append_printf (code, "#version %d\n", builder->version);
+ g_string_append_c (code, '\n');
+ }
+
+ for (i = 0; i < builder->defines->len; i += 2)
+ {
+ const char *name = g_ptr_array_index (builder->defines, i);
+ const char *value = g_ptr_array_index (builder->defines, i + 1);
+
+ g_string_append (code, "#define");
+ g_string_append_c (code, ' ');
+ g_string_append (code, name);
+ g_string_append_c (code, ' ');
+ g_string_append (code, value);
+ g_string_append_c (code, '\n');
+
+ if (i == builder->defines->len - 2)
+ g_string_append_c (code, '\n');
+ }
+
+ if (!lookup_shader_code (code, builder->resource_base_path, shader_preamble, error))
+ {
+ g_string_free (code, TRUE);
+ return -1;
+ }
+
+ g_string_append_c (code, '\n');
+
+ if (!lookup_shader_code (code, builder->resource_base_path, shader_source, error))
+ {
+ g_string_free (code, TRUE);
+ return -1;
+ }
+
+ source = g_string_free (code, FALSE);
+
+ shader_id = glCreateShader (shader_type);
+ glShaderSource (shader_id, 1, (const GLchar **) &source, NULL);
+ glCompileShader (shader_id);
+
+#ifdef G_ENABLE_DEBUG
+ if (GSK_DEBUG_CHECK (SHADERS))
+ {
+ g_print ("*** Compiling %s shader from '%s' + '%s' ***\n"
+ "%s\n",
+ shader_type == GL_VERTEX_SHADER ? "vertex" : "fragment",
+ shader_preamble, shader_source,
+ source);
+ }
+#endif
+
+ g_free (source);
+
+ glGetShaderiv (shader_id, GL_COMPILE_STATUS, &status);
+ if (status == GL_FALSE)
+ {
+ int log_len;
+ char *buffer;
+
+ glGetShaderiv (shader_id, GL_INFO_LOG_LENGTH, &log_len);
+
+ buffer = g_malloc0 (log_len + 1);
+ glGetShaderInfoLog (shader_id, log_len, NULL, buffer);
+
+ g_set_error (error, GDK_GL_ERROR, GDK_GL_ERROR_COMPILATION_FAILED,
+ "Compilation failure in %s shader:\n%s",
+ shader_type == GL_VERTEX_SHADER ? "vertex" : "fragment",
+ buffer);
+ g_free (buffer);
+
+ glDeleteShader (shader_id);
+
+ return -1;
+ }
+
+ return shader_id;
+}
+
+static void
+gsk_shader_builder_cache_uniforms (GskShaderBuilder *builder,
+ ShaderProgram *program)
+{
+ int i;
+
+ for (i = 0; i < builder->uniforms->len; i++)
+ {
+ const char *uniform = g_ptr_array_index (builder->uniforms, i);
+ int loc = glGetUniformLocation (program->program_id, uniform);
+
+ g_hash_table_insert (program->uniform_locations,
+ GINT_TO_POINTER (g_quark_from_string (uniform)),
+ GINT_TO_POINTER (loc));
+ }
+}
+
+static void
+gsk_shader_builder_cache_attributes (GskShaderBuilder *builder,
+ ShaderProgram *program)
+{
+ int i;
+
+ for (i = 0; i < builder->attributes->len; i++)
+ {
+ const char *attribute = g_ptr_array_index (builder->attributes, i);
+ int loc = glGetAttribLocation (program->program_id, attribute);
+
+ g_hash_table_insert (program->attribute_locations,
+ GINT_TO_POINTER (g_quark_from_string (attribute)),
+ GINT_TO_POINTER (loc));
+ }
+}
+
+int
+gsk_shader_builder_create_program (GskShaderBuilder *builder,
+ const char *vertex_shader,
+ const char *fragment_shader,
+ GError **error)
+{
+ ShaderProgram *program;
+ int vertex_id, fragment_id;
+ int program_id;
+ int status;
+
+ g_return_val_if_fail (GSK_IS_SHADER_BUILDER (builder), -1);
+ g_return_val_if_fail (vertex_shader != NULL, -1);
+ g_return_val_if_fail (fragment_shader != NULL, -1);
+
+ vertex_id = gsk_shader_builder_compile_shader (builder, GL_VERTEX_SHADER,
+ builder->vertex_preamble,
+ vertex_shader,
+ error);
+ if (vertex_id < 0)
+ return -1;
+
+ fragment_id = gsk_shader_builder_compile_shader (builder, GL_FRAGMENT_SHADER,
+ builder->fragment_preamble,
+ fragment_shader,
+ error);
+ if (fragment_id < 0)
+ {
+ glDeleteShader (vertex_id);
+ return -1;
+ }
+
+ program_id = glCreateProgram ();
+ glAttachShader (program_id, vertex_id);
+ glAttachShader (program_id, fragment_id);
+ glLinkProgram (program_id);
+
+ glGetProgramiv (program_id, GL_LINK_STATUS, &status);
+ if (status == GL_FALSE)
+ {
+ char *buffer = NULL;
+ int log_len = 0;
+
+ glGetProgramiv (program_id, GL_INFO_LOG_LENGTH, &log_len);
+
+ buffer = g_malloc0 (log_len + 1);
+ glGetProgramInfoLog (program_id, log_len, NULL, buffer);
+
+ g_set_error (error, GDK_GL_ERROR, GDK_GL_ERROR_LINK_FAILED,
+ "Linking failure in shader:\n%s", buffer);
+ g_free (buffer);
+
+ glDeleteProgram (program_id);
+ program_id = -1;
+
+ goto out;
+ }
+
+ program = shader_program_new (program_id);
+ gsk_shader_builder_cache_uniforms (builder, program);
+ gsk_shader_builder_cache_attributes (builder, program);
+
+ g_hash_table_insert (builder->programs, GINT_TO_POINTER (program_id), program);
+
+#ifdef G_ENABLE_DEBUG
+ if (GSK_DEBUG_CHECK (SHADERS))
+ {
+ GHashTableIter iter;
+ gpointer name_p, location_p;
+
+ g_hash_table_iter_init (&iter, program->uniform_locations);
+ while (g_hash_table_iter_next (&iter, &name_p, &location_p))
+ {
+ g_print ("Uniform '%s' - location: %d\n",
+ g_quark_to_string (GPOINTER_TO_INT (name_p)),
+ GPOINTER_TO_INT (location_p));
+ }
+
+ g_hash_table_iter_init (&iter, program->attribute_locations);
+ while (g_hash_table_iter_next (&iter, &name_p, &location_p))
+ {
+ g_print ("Attribute '%s' - location: %d\n",
+ g_quark_to_string (GPOINTER_TO_INT (name_p)),
+ GPOINTER_TO_INT (location_p));
+ }
+ }
+#endif
+
+out:
+ if (vertex_id > 0)
+ {
+ glDetachShader (program_id, vertex_id);
+ glDeleteShader (vertex_id);
+ }
+
+ if (fragment_id > 0)
+ {
+ glDetachShader (program_id, fragment_id);
+ glDeleteShader (fragment_id);
+ }
+
+ return program_id;
+}
+
+int
+gsk_shader_builder_get_uniform_location (GskShaderBuilder *builder,
+ int program_id,
+ GQuark uniform_quark)
+{
+ ShaderProgram *p = NULL;
+ gpointer loc_p = NULL;
+
+ g_return_val_if_fail (GSK_IS_SHADER_BUILDER (builder), -1);
+ g_return_val_if_fail (program_id >= 0, -1);
+
+ if (builder->uniforms->len == 0)
+ return -1;
+
+ if (!g_hash_table_lookup_extended (builder->programs, GINT_TO_POINTER (program_id), NULL, (gpointer *) &p))
+ return -1;
+
+ if (g_hash_table_lookup_extended (p->uniform_locations, GINT_TO_POINTER (uniform_quark), NULL, &loc_p))
+ return GPOINTER_TO_INT (loc_p);
+
+ return -1;
+}
+
+int
+gsk_shader_builder_get_attribute_location (GskShaderBuilder *builder,
+ int program_id,
+ GQuark attribute_quark)
+{
+ ShaderProgram *p = NULL;
+ gpointer loc_p = NULL;
+
+ g_return_val_if_fail (GSK_IS_SHADER_BUILDER (builder), -1);
+ g_return_val_if_fail (program_id >= 0, -1);
+
+ if (builder->attributes->len == 0)
+ return -1;
+
+ if (!g_hash_table_lookup_extended (builder->programs, GINT_TO_POINTER (program_id), NULL, (gpointer *) &p))
+ return -1;
+
+ if (g_hash_table_lookup_extended (p->attribute_locations, GINT_TO_POINTER (attribute_quark), NULL, &loc_p))
+ return GPOINTER_TO_INT (loc_p);
+
+ return -1;
+}
--- /dev/null
+#ifndef __GSK_SHADER_BUILDER_PRIVATE_H__
+#define __GSK_SHADER_BUILDER_PRIVATE_H__
+
+#include <gdk/gdk.h>
+#include <graphene.h>
+
+G_BEGIN_DECLS
+
+#define GSK_TYPE_SHADER_BUILDER (gsk_shader_builder_get_type ())
+
+G_DECLARE_FINAL_TYPE (GskShaderBuilder, gsk_shader_builder, GSK, SHADER_BUILDER, GObject)
+
+GskShaderBuilder * gsk_shader_builder_new (void);
+
+void gsk_shader_builder_set_version (GskShaderBuilder *builder,
+ int version);
+void gsk_shader_builder_set_resource_base_path (GskShaderBuilder *builder,
+ const char *base_path);
+void gsk_shader_builder_set_vertex_preamble (GskShaderBuilder *builder,
+ const char *shader_preamble);
+void gsk_shader_builder_set_fragment_preamble (GskShaderBuilder *builder,
+ const char *shader_preamble);
+
+GQuark gsk_shader_builder_add_uniform (GskShaderBuilder *builder,
+ const char *uniform_name);
+GQuark gsk_shader_builder_add_attribute (GskShaderBuilder *builder,
+ const char *attribute_name);
+void gsk_shader_builder_add_define (GskShaderBuilder *builder,
+ const char *define_name,
+ const char *define_value);
+
+int gsk_shader_builder_create_program (GskShaderBuilder *builder,
+ const char *vertex_shader,
+ const char *fragment_shader,
+ GError **error);
+
+int gsk_shader_builder_get_uniform_location (GskShaderBuilder *builder,
+ int program_id,
+ GQuark uniform_quark);
+int gsk_shader_builder_get_attribute_location (GskShaderBuilder *builder,
+ int program_id,
+ GQuark attribute_quark);
+
+G_END_DECLS
+
+#endif /* __GSK_SHADER_BUILDER_PRIVATE_H__ */
+++ /dev/null
-#include "config.h"
-
-#include "gskshaderbuilderprivate.h"
-
-#include "gskdebugprivate.h"
-
-#include <gdk/gdk.h>
-#include <epoxy/gl.h>
-
-typedef struct {
- int program_id;
-
- GHashTable *uniform_locations;
- GHashTable *attribute_locations;
-} ShaderProgram;
-
-struct _GskShaderBuilder
-{
- GObject parent_instance;
-
- char *resource_base_path;
- char *vertex_preamble;
- char *fragment_preamble;
-
- int version;
-
- GPtrArray *defines;
- GPtrArray *uniforms;
- GPtrArray *attributes;
-
- GHashTable *programs;
-};
-
-G_DEFINE_TYPE (GskShaderBuilder, gsk_shader_builder, G_TYPE_OBJECT)
-
-static void
-shader_program_free (gpointer data)
-{
- ShaderProgram *p = data;
-
- g_clear_pointer (&p->uniform_locations, g_hash_table_unref);
- g_clear_pointer (&p->attribute_locations, g_hash_table_unref);
-
- g_slice_free (ShaderProgram, data);
-}
-
-static ShaderProgram *
-shader_program_new (int program_id)
-{
- ShaderProgram *p = g_slice_new (ShaderProgram);
-
- p->program_id = program_id;
-
- p->uniform_locations = g_hash_table_new (g_direct_hash, g_direct_equal);
- p->attribute_locations = g_hash_table_new (g_direct_hash, g_direct_equal);
-
- return p;
-}
-
-static void
-gsk_shader_builder_finalize (GObject *gobject)
-{
- GskShaderBuilder *self = GSK_SHADER_BUILDER (gobject);
-
- g_free (self->resource_base_path);
- g_free (self->vertex_preamble);
- g_free (self->fragment_preamble);
-
- g_clear_pointer (&self->defines, g_ptr_array_unref);
- g_clear_pointer (&self->uniforms, g_ptr_array_unref);
- g_clear_pointer (&self->attributes, g_ptr_array_unref);
-
- g_clear_pointer (&self->programs, g_hash_table_unref);
-
- G_OBJECT_CLASS (gsk_shader_builder_parent_class)->finalize (gobject);
-}
-
-static void
-gsk_shader_builder_class_init (GskShaderBuilderClass *klass)
-{
- G_OBJECT_CLASS (klass)->finalize = gsk_shader_builder_finalize;
-}
-
-static void
-gsk_shader_builder_init (GskShaderBuilder *self)
-{
- self->defines = g_ptr_array_new_with_free_func (g_free);
- self->uniforms = g_ptr_array_new_with_free_func (g_free);
- self->attributes = g_ptr_array_new_with_free_func (g_free);
-
- self->programs = g_hash_table_new_full (g_direct_hash, g_direct_equal,
- NULL,
- shader_program_free);
-}
-
-GskShaderBuilder *
-gsk_shader_builder_new (void)
-{
- return g_object_new (GSK_TYPE_SHADER_BUILDER, NULL);
-}
-
-void
-gsk_shader_builder_set_resource_base_path (GskShaderBuilder *builder,
- const char *base_path)
-{
- g_return_if_fail (GSK_IS_SHADER_BUILDER (builder));
-
- g_free (builder->resource_base_path);
- builder->resource_base_path = g_strdup (base_path);
-}
-
-void
-gsk_shader_builder_set_vertex_preamble (GskShaderBuilder *builder,
- const char *vertex_preamble)
-{
- g_return_if_fail (GSK_IS_SHADER_BUILDER (builder));
-
- g_free (builder->vertex_preamble);
- builder->vertex_preamble = g_strdup (vertex_preamble);
-}
-
-void
-gsk_shader_builder_set_fragment_preamble (GskShaderBuilder *builder,
- const char *fragment_preamble)
-{
- g_return_if_fail (GSK_IS_SHADER_BUILDER (builder));
-
- g_free (builder->fragment_preamble);
- builder->fragment_preamble = g_strdup (fragment_preamble);
-}
-
-void
-gsk_shader_builder_set_version (GskShaderBuilder *builder,
- int version)
-{
- g_return_if_fail (GSK_IS_SHADER_BUILDER (builder));
-
- builder->version = version;
-}
-
-void
-gsk_shader_builder_add_define (GskShaderBuilder *builder,
- const char *define_name,
- const char *define_value)
-{
- g_return_if_fail (GSK_IS_SHADER_BUILDER (builder));
- g_return_if_fail (define_name != NULL && *define_name != '\0');
- g_return_if_fail (define_value != NULL && *define_value != '\0');
-
- g_ptr_array_add (builder->defines, g_strdup (define_name));
- g_ptr_array_add (builder->defines, g_strdup (define_value));
-}
-
-GQuark
-gsk_shader_builder_add_uniform (GskShaderBuilder *builder,
- const char *uniform_name)
-{
- g_return_val_if_fail (GSK_IS_SHADER_BUILDER (builder), 0);
- g_return_val_if_fail (uniform_name != NULL, 0);
-
- g_ptr_array_add (builder->uniforms, g_strdup (uniform_name));
-
- return g_quark_from_string (uniform_name);
-}
-
-GQuark
-gsk_shader_builder_add_attribute (GskShaderBuilder *builder,
- const char *attribute_name)
-{
- g_return_val_if_fail (GSK_IS_SHADER_BUILDER (builder), 0);
- g_return_val_if_fail (attribute_name != NULL, 0);
-
- g_ptr_array_add (builder->attributes, g_strdup (attribute_name));
-
- return g_quark_from_string (attribute_name);
-}
-
-static gboolean
-lookup_shader_code (GString *code,
- const char *base_path,
- const char *shader_file,
- GError **error)
-{
- GBytes *source;
- char *path;
-
- if (base_path != NULL)
- path = g_build_filename (base_path, shader_file, NULL);
- else
- path = g_strdup (shader_file);
-
- source = g_resources_lookup_data (path, 0, error);
- g_free (path);
-
- if (source == NULL)
- return FALSE;
-
- g_string_append (code, g_bytes_get_data (source, NULL));
-
- g_bytes_unref (source);
-
- return TRUE;
-}
-
-static int
-gsk_shader_builder_compile_shader (GskShaderBuilder *builder,
- int shader_type,
- const char *shader_preamble,
- const char *shader_source,
- GError **error)
-{
- GString *code;
- char *source;
- int shader_id;
- int status;
- int i;
-
- code = g_string_new (NULL);
-
- if (builder->version > 0)
- {
- g_string_append_printf (code, "#version %d\n", builder->version);
- g_string_append_c (code, '\n');
- }
-
- for (i = 0; i < builder->defines->len; i += 2)
- {
- const char *name = g_ptr_array_index (builder->defines, i);
- const char *value = g_ptr_array_index (builder->defines, i + 1);
-
- g_string_append (code, "#define");
- g_string_append_c (code, ' ');
- g_string_append (code, name);
- g_string_append_c (code, ' ');
- g_string_append (code, value);
- g_string_append_c (code, '\n');
-
- if (i == builder->defines->len - 2)
- g_string_append_c (code, '\n');
- }
-
- if (!lookup_shader_code (code, builder->resource_base_path, shader_preamble, error))
- {
- g_string_free (code, TRUE);
- return -1;
- }
-
- g_string_append_c (code, '\n');
-
- if (!lookup_shader_code (code, builder->resource_base_path, shader_source, error))
- {
- g_string_free (code, TRUE);
- return -1;
- }
-
- source = g_string_free (code, FALSE);
-
- shader_id = glCreateShader (shader_type);
- glShaderSource (shader_id, 1, (const GLchar **) &source, NULL);
- glCompileShader (shader_id);
-
-#ifdef G_ENABLE_DEBUG
- if (GSK_DEBUG_CHECK (SHADERS))
- {
- g_print ("*** Compiling %s shader from '%s' + '%s' ***\n"
- "%s\n",
- shader_type == GL_VERTEX_SHADER ? "vertex" : "fragment",
- shader_preamble, shader_source,
- source);
- }
-#endif
-
- g_free (source);
-
- glGetShaderiv (shader_id, GL_COMPILE_STATUS, &status);
- if (status == GL_FALSE)
- {
- int log_len;
- char *buffer;
-
- glGetShaderiv (shader_id, GL_INFO_LOG_LENGTH, &log_len);
-
- buffer = g_malloc0 (log_len + 1);
- glGetShaderInfoLog (shader_id, log_len, NULL, buffer);
-
- g_set_error (error, GDK_GL_ERROR, GDK_GL_ERROR_COMPILATION_FAILED,
- "Compilation failure in %s shader:\n%s",
- shader_type == GL_VERTEX_SHADER ? "vertex" : "fragment",
- buffer);
- g_free (buffer);
-
- glDeleteShader (shader_id);
-
- return -1;
- }
-
- return shader_id;
-}
-
-static void
-gsk_shader_builder_cache_uniforms (GskShaderBuilder *builder,
- ShaderProgram *program)
-{
- int i;
-
- for (i = 0; i < builder->uniforms->len; i++)
- {
- const char *uniform = g_ptr_array_index (builder->uniforms, i);
- int loc = glGetUniformLocation (program->program_id, uniform);
-
- g_hash_table_insert (program->uniform_locations,
- GINT_TO_POINTER (g_quark_from_string (uniform)),
- GINT_TO_POINTER (loc));
- }
-}
-
-static void
-gsk_shader_builder_cache_attributes (GskShaderBuilder *builder,
- ShaderProgram *program)
-{
- int i;
-
- for (i = 0; i < builder->attributes->len; i++)
- {
- const char *attribute = g_ptr_array_index (builder->attributes, i);
- int loc = glGetAttribLocation (program->program_id, attribute);
-
- g_hash_table_insert (program->attribute_locations,
- GINT_TO_POINTER (g_quark_from_string (attribute)),
- GINT_TO_POINTER (loc));
- }
-}
-
-int
-gsk_shader_builder_create_program (GskShaderBuilder *builder,
- const char *vertex_shader,
- const char *fragment_shader,
- GError **error)
-{
- ShaderProgram *program;
- int vertex_id, fragment_id;
- int program_id;
- int status;
-
- g_return_val_if_fail (GSK_IS_SHADER_BUILDER (builder), -1);
- g_return_val_if_fail (vertex_shader != NULL, -1);
- g_return_val_if_fail (fragment_shader != NULL, -1);
-
- vertex_id = gsk_shader_builder_compile_shader (builder, GL_VERTEX_SHADER,
- builder->vertex_preamble,
- vertex_shader,
- error);
- if (vertex_id < 0)
- return -1;
-
- fragment_id = gsk_shader_builder_compile_shader (builder, GL_FRAGMENT_SHADER,
- builder->fragment_preamble,
- fragment_shader,
- error);
- if (fragment_id < 0)
- {
- glDeleteShader (vertex_id);
- return -1;
- }
-
- program_id = glCreateProgram ();
- glAttachShader (program_id, vertex_id);
- glAttachShader (program_id, fragment_id);
- glLinkProgram (program_id);
-
- glGetProgramiv (program_id, GL_LINK_STATUS, &status);
- if (status == GL_FALSE)
- {
- char *buffer = NULL;
- int log_len = 0;
-
- glGetProgramiv (program_id, GL_INFO_LOG_LENGTH, &log_len);
-
- buffer = g_malloc0 (log_len + 1);
- glGetProgramInfoLog (program_id, log_len, NULL, buffer);
-
- g_set_error (error, GDK_GL_ERROR, GDK_GL_ERROR_LINK_FAILED,
- "Linking failure in shader:\n%s", buffer);
- g_free (buffer);
-
- glDeleteProgram (program_id);
- program_id = -1;
-
- goto out;
- }
-
- program = shader_program_new (program_id);
- gsk_shader_builder_cache_uniforms (builder, program);
- gsk_shader_builder_cache_attributes (builder, program);
-
- g_hash_table_insert (builder->programs, GINT_TO_POINTER (program_id), program);
-
-#ifdef G_ENABLE_DEBUG
- if (GSK_DEBUG_CHECK (SHADERS))
- {
- GHashTableIter iter;
- gpointer name_p, location_p;
-
- g_hash_table_iter_init (&iter, program->uniform_locations);
- while (g_hash_table_iter_next (&iter, &name_p, &location_p))
- {
- g_print ("Uniform '%s' - location: %d\n",
- g_quark_to_string (GPOINTER_TO_INT (name_p)),
- GPOINTER_TO_INT (location_p));
- }
-
- g_hash_table_iter_init (&iter, program->attribute_locations);
- while (g_hash_table_iter_next (&iter, &name_p, &location_p))
- {
- g_print ("Attribute '%s' - location: %d\n",
- g_quark_to_string (GPOINTER_TO_INT (name_p)),
- GPOINTER_TO_INT (location_p));
- }
- }
-#endif
-
-out:
- if (vertex_id > 0)
- {
- glDetachShader (program_id, vertex_id);
- glDeleteShader (vertex_id);
- }
-
- if (fragment_id > 0)
- {
- glDetachShader (program_id, fragment_id);
- glDeleteShader (fragment_id);
- }
-
- return program_id;
-}
-
-int
-gsk_shader_builder_get_uniform_location (GskShaderBuilder *builder,
- int program_id,
- GQuark uniform_quark)
-{
- ShaderProgram *p = NULL;
- gpointer loc_p = NULL;
-
- g_return_val_if_fail (GSK_IS_SHADER_BUILDER (builder), -1);
- g_return_val_if_fail (program_id >= 0, -1);
-
- if (builder->uniforms->len == 0)
- return -1;
-
- if (!g_hash_table_lookup_extended (builder->programs, GINT_TO_POINTER (program_id), NULL, (gpointer *) &p))
- return -1;
-
- if (g_hash_table_lookup_extended (p->uniform_locations, GINT_TO_POINTER (uniform_quark), NULL, &loc_p))
- return GPOINTER_TO_INT (loc_p);
-
- return -1;
-}
-
-int
-gsk_shader_builder_get_attribute_location (GskShaderBuilder *builder,
- int program_id,
- GQuark attribute_quark)
-{
- ShaderProgram *p = NULL;
- gpointer loc_p = NULL;
-
- g_return_val_if_fail (GSK_IS_SHADER_BUILDER (builder), -1);
- g_return_val_if_fail (program_id >= 0, -1);
-
- if (builder->attributes->len == 0)
- return -1;
-
- if (!g_hash_table_lookup_extended (builder->programs, GINT_TO_POINTER (program_id), NULL, (gpointer *) &p))
- return -1;
-
- if (g_hash_table_lookup_extended (p->attribute_locations, GINT_TO_POINTER (attribute_quark), NULL, &loc_p))
- return GPOINTER_TO_INT (loc_p);
-
- return -1;
-}
+++ /dev/null
-#ifndef __GSK_SHADER_BUILDER_PRIVATE_H__
-#define __GSK_SHADER_BUILDER_PRIVATE_H__
-
-#include <gdk/gdk.h>
-#include <graphene.h>
-
-G_BEGIN_DECLS
-
-#define GSK_TYPE_SHADER_BUILDER (gsk_shader_builder_get_type ())
-
-G_DECLARE_FINAL_TYPE (GskShaderBuilder, gsk_shader_builder, GSK, SHADER_BUILDER, GObject)
-
-GskShaderBuilder * gsk_shader_builder_new (void);
-
-void gsk_shader_builder_set_version (GskShaderBuilder *builder,
- int version);
-void gsk_shader_builder_set_resource_base_path (GskShaderBuilder *builder,
- const char *base_path);
-void gsk_shader_builder_set_vertex_preamble (GskShaderBuilder *builder,
- const char *shader_preamble);
-void gsk_shader_builder_set_fragment_preamble (GskShaderBuilder *builder,
- const char *shader_preamble);
-
-GQuark gsk_shader_builder_add_uniform (GskShaderBuilder *builder,
- const char *uniform_name);
-GQuark gsk_shader_builder_add_attribute (GskShaderBuilder *builder,
- const char *attribute_name);
-void gsk_shader_builder_add_define (GskShaderBuilder *builder,
- const char *define_name,
- const char *define_value);
-
-int gsk_shader_builder_create_program (GskShaderBuilder *builder,
- const char *vertex_shader,
- const char *fragment_shader,
- GError **error);
-
-int gsk_shader_builder_get_uniform_location (GskShaderBuilder *builder,
- int program_id,
- GQuark uniform_quark);
-int gsk_shader_builder_get_attribute_location (GskShaderBuilder *builder,
- int program_id,
- GQuark attribute_quark);
-
-G_END_DECLS
-
-#endif /* __GSK_SHADER_BUILDER_PRIVATE_H__ */
'gskdebug.c',
'gskprivate.c',
'gskprofiler.c',
- 'gskshaderbuilder.c',
+ 'gl/gskshaderbuilder.c',
'gl/gskglprofiler.c',
'gl/gskglrenderer.c',
'gl/gskglglyphcache.c',
projects / gtk4.git / commitdiff