merge from trunk

1 files changed, 437 insertions, 0 deletions

diff --git a/src/mesa/shader/slang/slang_link.c b/src/mesa/shader/slang/slang_link.c
new file mode 100644
index 00000000000..58d17c15580
--- /dev/null
+++ b/src/mesa/shader/slang/slang_link.c
@@ -0,0 +1,437 @@
+/*

+ * Mesa 3-D graphics library

+ * Version:  6.5

+ *

+ * Copyright (C) 2006  Brian Paul   All Rights Reserved.

+ *

+ * Permission is hereby granted, free of charge, to any person obtaining a

+ * copy of this software and associated documentation files (the "Software"),

+ * to deal in the Software without restriction, including without limitation

+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,

+ * and/or sell copies of the Software, and to permit persons to whom the

+ * Software is furnished to do so, subject to the following conditions:

+ *

+ * The above copyright notice and this permission notice shall be included

+ * in all copies or substantial portions of the Software.

+ *

+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+ */

+

+/**

+ * \file slang_link.c

+ * slang linker

+ * \author Michal Krol

+ */

+

+#include "imports.h"

+#include "slang_link.h"

+#include "slang_analyse.h"

+

+/*

+ * slang_uniform_bindings

+ */

+

+static GLvoid slang_uniform_bindings_ctr (slang_uniform_bindings *self)

+{

+	self->table = NULL;

+	self->count = 0;

+}

+

+static GLvoid slang_uniform_bindings_dtr (slang_uniform_bindings *self)

+{

+	GLuint i;

+

+	for (i = 0; i < self->count; i++)

+		slang_alloc_free (self->table[i].name);

+	slang_alloc_free (self->table);

+}

+

+static GLboolean slang_uniform_bindings_add (slang_uniform_bindings *self, slang_export_data_quant *q,

+	const char *name, GLuint index, GLuint address)

+{

+	const GLuint n = self->count;

+	GLuint i;

+

+	for (i = 0; i < n; i++)

+		if (slang_string_compare (self->table[i].name, name) == 0)

+		{

+			self->table[i].address[index] = address;

+			return GL_TRUE;

+		}

+

+	self->table = (slang_uniform_binding *) slang_alloc_realloc (self->table,

+		n * sizeof (slang_uniform_binding), (n + 1) * sizeof (slang_uniform_binding));

+	if (self->table == NULL)

+		return GL_FALSE;

+	self->table[n].quant = q;

+	self->table[n].name = slang_string_duplicate (name);

+	for (i = 0; i < SLANG_SHADER_MAX; i++)

+		self->table[n].address[i] = ~0;

+	self->table[n].address[index] = address;

+	if (self->table[n].name == NULL)

+		return GL_FALSE;

+	self->count++;

+	return GL_TRUE;

+}

+

+static GLboolean insert_binding (slang_uniform_bindings *bind, slang_export_data_quant *q,

+	char *name, slang_atom_pool *atoms, GLuint index, GLuint addr)

+{

+	GLuint count, i;

+

+	slang_string_concat (name, slang_atom_pool_id (atoms, q->name));

+

+	if (q->array_len == 0)

+		count = 1;

+	else

+		count = q->array_len;

+

+	for (i = 0; i < count; i++)

+	{

+		GLuint save;

+

+		save = slang_string_length (name);

+		if (q->array_len != 0)

+			_mesa_sprintf (name + slang_string_length (name), "[%d]", i);

+

+		if (q->structure != NULL)

+		{

+			GLuint save, i;

+

+			slang_string_concat (name, ".");

+			save = slang_string_length (name);

+

+			for (i = 0; i < q->u.field_count; i++)

+			{

+				if (!insert_binding (bind, &q->structure[i], name, atoms, index, addr))

+					return GL_FALSE;

+				name[save] = '\0';

+				addr += q->structure[i].size;

+			}

+		}

+		else

+		{

+			if (!slang_uniform_bindings_add (bind, q, name, index, addr))

+				return GL_FALSE;

+			addr += q->size;

+		}

+		name[save] = '\0';

+	}

+

+	return GL_TRUE;

+}

+

+static GLboolean gather_uniform_bindings (slang_uniform_bindings *bind, slang_export_data_table *tbl,

+	GLuint index)

+{

+	GLuint i;

+

+	for (i = 0; i < tbl->count; i++)

+		if (tbl->entries[i].access == slang_exp_uniform)

+		{

+			char name[1024] = "";

+

+			if (!insert_binding (bind, &tbl->entries[i].quant, name, tbl->atoms, index,

+					tbl->entries[i].address))

+				return GL_FALSE;

+		}

+

+	return GL_TRUE;

+}

+

+/*

+ * slang_active_uniforms

+ */

+

+static GLvoid slang_active_uniforms_ctr (slang_active_uniforms *self)

+{

+	self->table = NULL;

+	self->count = 0;

+}

+

+static GLvoid slang_active_uniforms_dtr (slang_active_uniforms *self)

+{

+	GLuint i;

+

+	for (i = 0; i < self->count; i++)

+		slang_alloc_free (self->table[i].name);

+	slang_alloc_free (self->table);

+}

+

+static GLboolean slang_active_uniforms_add (slang_active_uniforms *self, slang_export_data_quant *q,

+	const char *name)

+{

+	const GLuint n = self->count;

+

+	self->table = (slang_active_uniform *) slang_alloc_realloc (self->table,

+		n * sizeof (slang_active_uniform), (n + 1) * sizeof (slang_active_uniform));

+	if (self->table == NULL)

+		return GL_FALSE;

+	self->table[n].quant = q;

+	self->table[n].name = slang_string_duplicate (name);

+	if (self->table[n].name == NULL)

+		return GL_FALSE;

+	self->count++;

+	return GL_TRUE;

+}

+

+static GLboolean insert_uniform (slang_active_uniforms *u, slang_export_data_quant *q, char *name,

+	slang_atom_pool *atoms)

+{

+	slang_string_concat (name, slang_atom_pool_id (atoms, q->name));

+	if (q->array_len != 0)

+		slang_string_concat (name, "[0]");

+

+	if (q->structure != NULL)

+	{

+		GLuint save, i;

+

+		slang_string_concat (name, ".");

+		save = slang_string_length (name);

+

+		for (i = 0; i < q->u.field_count; i++)

+		{

+			if (!insert_uniform (u, &q->structure[i], name, atoms))

+				return GL_FALSE;

+			name[save] = '\0';

+		}

+

+		return GL_TRUE;

+	}

+

+	return slang_active_uniforms_add (u, q, name);

+}

+

+static GLboolean gather_active_uniforms (slang_active_uniforms *u, slang_export_data_table *tbl)

+{

+	GLuint i;

+

+	for (i = 0; i < tbl->count; i++)

+		if (tbl->entries[i].access == slang_exp_uniform)

+		{

+			char name[1024] = "";

+

+			if (!insert_uniform (u, &tbl->entries[i].quant, name, tbl->atoms))

+				return GL_FALSE;

+		}

+

+	return GL_TRUE;

+}

+

+/*

+ * slang_texture_bindings

+ */

+

+GLvoid slang_texture_usages_ctr (slang_texture_usages *self)

+{

+	self->table = NULL;

+	self->count = 0;

+}

+

+GLvoid slang_texture_usages_dtr (slang_texture_usages *self)

+{

+	slang_alloc_free (self->table);

+}

+

+/*

+ * slang_program

+ */

+

+GLvoid slang_program_ctr (slang_program *self)

+{

+	GLuint i;

+

+	slang_uniform_bindings_ctr (&self->uniforms);

+	slang_active_uniforms_ctr (&self->active_uniforms);

+	slang_texture_usages_ctr (&self->texture_usage);

+	for (i = 0; i < SLANG_SHADER_MAX; i++)

+	{

+		GLuint j;

+

+		for (j = 0; j < SLANG_COMMON_FIXED_MAX; j++)

+			self->common_fixed_entries[i][j] = ~0;

+		for (j = 0; j < SLANG_COMMON_CODE_MAX; j++)

+			self->code[i][j] = ~0;

+		self->machines[i] = NULL;

+		self->assemblies[i] = NULL;

+	}

+	for (i = 0; i < SLANG_VERTEX_FIXED_MAX; i++)

+		self->vertex_fixed_entries[i] = ~0;

+	for (i = 0; i < SLANG_FRAGMENT_FIXED_MAX; i++)

+		self->fragment_fixed_entries[i] = ~0;

+}

+

+GLvoid slang_program_dtr (slang_program *self)

+{

+	slang_uniform_bindings_dtr (&self->uniforms);

+	slang_active_uniforms_dtr (&self->active_uniforms);

+	slang_texture_usages_dtr (&self->texture_usage);

+}

+

+/*

+ * _slang_link()

+ */

+

+static GLuint gd (slang_export_data_table *tbl, const char *name)

+{

+	slang_atom atom;

+	GLuint i;

+

+	atom = slang_atom_pool_atom (tbl->atoms, name);

+	if (atom == SLANG_ATOM_NULL)

+		return ~0;

+

+	for (i = 0; i < tbl->count; i++)

+		if (atom == tbl->entries[i].quant.name)

+			return tbl->entries[i].address;

+	return ~0;

+}

+

+static GLvoid resolve_common_fixed (GLuint e[], slang_export_data_table *tbl)

+{

+	e[SLANG_COMMON_FIXED_MODELVIEWMATRIX] = gd (tbl, "gl_ModelViewMatrix");

+	e[SLANG_COMMON_FIXED_PROJECTIONMATRIX] = gd (tbl, "gl_ProjectionMatrix");

+	e[SLANG_COMMON_FIXED_MODELVIEWPROJECTIONMATRIX] = gd (tbl, "gl_ModelViewProjectionMatrix");

+	e[SLANG_COMMON_FIXED_TEXTUREMATRIX] = gd (tbl, "gl_TextureMatrix");

+	e[SLANG_COMMON_FIXED_NORMALMATRIX] = gd (tbl, "gl_NormalMatrix");

+	e[SLANG_COMMON_FIXED_MODELVIEWMATRIXINVERSE] = gd (tbl, "gl_ModelViewMatrixInverse");

+	e[SLANG_COMMON_FIXED_PROJECTIONMATRIXINVERSE] = gd (tbl, "gl_ProjectionMatrixInverse");

+	e[SLANG_COMMON_FIXED_MODELVIEWPROJECTIONMATRIXINVERSE] =

+		gd (tbl, "gl_ModelViewProjectionMatrixInverse");

+	e[SLANG_COMMON_FIXED_TEXTUREMATRIXINVERSE] = gd (tbl, "gl_TextureMatrixInverse");

+	e[SLANG_COMMON_FIXED_MODELVIEWMATRIXTRANSPOSE] = gd (tbl, "gl_ModelViewMatrixTranspose");

+	e[SLANG_COMMON_FIXED_PROJECTIONMATRIXTRANSPOSE] = gd (tbl, "gl_ProjectionMatrixTranspose");

+	e[SLANG_COMMON_FIXED_MODELVIEWPROJECTIONMATRIXTRANSPOSE] =

+		gd (tbl, "gl_ModelViewProjectionMatrixTranspose");

+	e[SLANG_COMMON_FIXED_TEXTUREMATRIXTRANSPOSE] = gd (tbl, "gl_TextureMatrixTranspose");

+	e[SLANG_COMMON_FIXED_MODELVIEWMATRIXINVERSETRANSPOSE] =

+		gd (tbl, "gl_ModelViewMatrixInverseTranspose");

+	e[SLANG_COMMON_FIXED_PROJECTIONMATRIXINVERSETRANSPOSE] =

+		gd (tbl, "gl_ProjectionMatrixInverseTranspose");

+	e[SLANG_COMMON_FIXED_MODELVIEWPROJECTIONMATRIXINVERSETRANSPOSE] =

+		gd (tbl, "gl_ModelViewProjectionMatrixInverseTranspose");

+	e[SLANG_COMMON_FIXED_TEXTUREMATRIXINVERSETRANSPOSE] =

+		gd (tbl, "gl_TextureMatrixInverseTranspose");

+	e[SLANG_COMMON_FIXED_NORMALSCALE] = gd (tbl, "gl_NormalScale");

+	e[SLANG_COMMON_FIXED_DEPTHRANGE] = gd (tbl, "gl_DepthRange");

+	e[SLANG_COMMON_FIXED_CLIPPLANE] = gd (tbl, "gl_ClipPlane");

+	e[SLANG_COMMON_FIXED_POINT] = gd (tbl, "gl_Point");

+	e[SLANG_COMMON_FIXED_FRONTMATERIAL] = gd (tbl, "gl_FrontMaterial");

+	e[SLANG_COMMON_FIXED_BACKMATERIAL] = gd (tbl, "gl_BackMaterial");

+	e[SLANG_COMMON_FIXED_LIGHTSOURCE] = gd (tbl, "gl_LightSource");

+	e[SLANG_COMMON_FIXED_LIGHTMODEL] = gd (tbl, "gl_LightModel");

+	e[SLANG_COMMON_FIXED_FRONTLIGHTMODELPRODUCT] = gd (tbl, "gl_FrontLightModelProduct");

+	e[SLANG_COMMON_FIXED_BACKLIGHTMODELPRODUCT] = gd (tbl, "gl_BackLightModelProduct");

+	e[SLANG_COMMON_FIXED_FRONTLIGHTPRODUCT] = gd (tbl, "gl_FrontLightProduct");

+	e[SLANG_COMMON_FIXED_BACKLIGHTPRODUCT] = gd (tbl, "gl_BackLightProduct");

+	e[SLANG_COMMON_FIXED_TEXTUREENVCOLOR] = gd (tbl, "gl_TextureEnvColor");

+	e[SLANG_COMMON_FIXED_EYEPLANES] = gd (tbl, "gl_EyePlaneS");

+	e[SLANG_COMMON_FIXED_EYEPLANET] = gd (tbl, "gl_EyePlaneT");

+	e[SLANG_COMMON_FIXED_EYEPLANER] = gd (tbl, "gl_EyePlaneR");

+	e[SLANG_COMMON_FIXED_EYEPLANEQ] = gd (tbl, "gl_EyePlaneQ");

+	e[SLANG_COMMON_FIXED_OBJECTPLANES] = gd (tbl, "gl_ObjectPlaneS");

+	e[SLANG_COMMON_FIXED_OBJECTPLANET] = gd (tbl, "gl_ObjectPlaneT");

+	e[SLANG_COMMON_FIXED_OBJECTPLANER] = gd (tbl, "gl_ObjectPlaneR");

+	e[SLANG_COMMON_FIXED_OBJECTPLANEQ] = gd (tbl, "gl_ObjectPlaneQ");

+	e[SLANG_COMMON_FIXED_FOG] = gd (tbl, "gl_Fog");

+}

+

+static GLvoid resolve_vertex_fixed (GLuint e[], slang_export_data_table *tbl)

+{

+	e[SLANG_VERTEX_FIXED_POSITION] = gd (tbl, "gl_Position");

+	e[SLANG_VERTEX_FIXED_POINTSIZE] = gd (tbl,  "gl_PointSize");

+	e[SLANG_VERTEX_FIXED_CLIPVERTEX] = gd (tbl, "gl_ClipVertex");

+	e[SLANG_VERTEX_FIXED_COLOR] = gd (tbl, "gl_Color");

+	e[SLANG_VERTEX_FIXED_SECONDARYCOLOR] = gd (tbl, "gl_SecondaryColor");

+	e[SLANG_VERTEX_FIXED_NORMAL] = gd (tbl, "gl_Normal");

+	e[SLANG_VERTEX_FIXED_VERTEX] = gd (tbl, "gl_Vertex");

+	e[SLANG_VERTEX_FIXED_MULTITEXCOORD0] = gd (tbl, "gl_MultiTexCoord0");

+	e[SLANG_VERTEX_FIXED_MULTITEXCOORD1] = gd (tbl, "gl_MultiTexCoord1");

+	e[SLANG_VERTEX_FIXED_MULTITEXCOORD2] = gd (tbl, "gl_MultiTexCoord2");

+	e[SLANG_VERTEX_FIXED_MULTITEXCOORD3] = gd (tbl, "gl_MultiTexCoord3");

+	e[SLANG_VERTEX_FIXED_MULTITEXCOORD4] = gd (tbl, "gl_MultiTexCoord4");

+	e[SLANG_VERTEX_FIXED_MULTITEXCOORD5] = gd (tbl, "gl_MultiTexCoord5");

+	e[SLANG_VERTEX_FIXED_MULTITEXCOORD6] = gd (tbl, "gl_MultiTexCoord6");

+	e[SLANG_VERTEX_FIXED_MULTITEXCOORD7] = gd (tbl, "gl_MultiTexCoord7");

+	e[SLANG_VERTEX_FIXED_FOGCOORD] = gd (tbl, "gl_FogCoord");

+	e[SLANG_VERTEX_FIXED_FRONTCOLOR] = gd (tbl, "gl_FrontColor");

+	e[SLANG_VERTEX_FIXED_BACKCOLOR] = gd (tbl, "gl_BackColor");

+	e[SLANG_VERTEX_FIXED_FRONTSECONDARYCOLOR] = gd (tbl, "gl_FrontSecondaryColor");

+	e[SLANG_VERTEX_FIXED_BACKSECONDARYCOLOR] = gd (tbl, "gl_BackSecondaryColor");

+	e[SLANG_VERTEX_FIXED_TEXCOORD] = gd (tbl, "gl_TexCoord");

+	e[SLANG_VERTEX_FIXED_FOGFRAGCOORD] = gd (tbl, "gl_FogFragCoord");

+}

+

+static GLvoid resolve_fragment_fixed (GLuint e[], slang_export_data_table *tbl)

+{

+	e[SLANG_FRAGMENT_FIXED_FRAGCOORD] = gd (tbl, "gl_FragCoord");

+	e[SLANG_FRAGMENT_FIXED_FRONTFACING] = gd (tbl, "gl_FrontFacing");

+	e[SLANG_FRAGMENT_FIXED_FRAGCOLOR] = gd (tbl, "gl_FragColor");

+	e[SLANG_FRAGMENT_FIXED_FRAGDATA] = gd (tbl, "gl_FragData");

+	e[SLANG_FRAGMENT_FIXED_FRAGDEPTH] = gd (tbl, "gl_FragDepth");

+	e[SLANG_FRAGMENT_FIXED_COLOR] = gd (tbl, "gl_Color");

+	e[SLANG_FRAGMENT_FIXED_SECONDARYCOLOR] = gd (tbl, "gl_SecondaryColor");

+	e[SLANG_FRAGMENT_FIXED_TEXCOORD] = gd (tbl, "gl_TexCoord");

+	e[SLANG_FRAGMENT_FIXED_FOGFRAGCOORD] = gd (tbl, "gl_FogFragCoord");

+}

+

+static GLuint gc (slang_export_code_table *tbl, const char *name)

+{

+	slang_atom atom;

+	GLuint i;

+

+	atom = slang_atom_pool_atom (tbl->atoms, name);

+	if (atom == SLANG_ATOM_NULL)

+		return ~0;

+

+	for (i = 0; i < tbl->count; i++)

+		if (atom == tbl->entries[i].name)

+			return tbl->entries[i].address;

+	return ~0;

+}

+

+static GLvoid resolve_common_code (GLuint code[], slang_export_code_table *tbl)

+{

+	code[SLANG_COMMON_CODE_MAIN] = gc (tbl, "@main");

+}

+

+GLboolean _slang_link (slang_program *prog, slang_translation_unit **units, GLuint count)

+{

+	GLuint i;

+

+	for (i = 0; i < count; i++)

+	{

+		GLuint index;

+

+		if (units[i]->type == slang_unit_fragment_shader)

+		{

+			index = SLANG_SHADER_FRAGMENT;

+			resolve_fragment_fixed (prog->fragment_fixed_entries, &units[i]->exp_data);

+		}

+		else

+		{

+			index = SLANG_SHADER_VERTEX;

+			resolve_vertex_fixed (prog->vertex_fixed_entries, &units[i]->exp_data);

+		}

+

+		if (!gather_uniform_bindings (&prog->uniforms, &units[i]->exp_data, index))

+			return GL_FALSE;

+		if (!gather_active_uniforms (&prog->active_uniforms, &units[i]->exp_data))

+			return GL_FALSE;

+		resolve_common_fixed (prog->common_fixed_entries[index], &units[i]->exp_data);

+		resolve_common_code (prog->code[index], &units[i]->exp_code);

+		prog->machines[index] = units[i]->machine;

+		prog->assemblies[index] = units[i]->assembly;

+	}

+

+	if (!_slang_analyse_texture_usage (prog))

+		return GL_FALSE;

+

+	return GL_TRUE;

+}

+