X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fshader%2Fshader_api.c;h=5c18e55dacf9afd11edb0bcb0f73e9011d3b5453;hb=b9be69b85e8955fa9f773a65e7c3de5c4bb6e507;hp=26d0b3d476039c53b215bf738e42d958db63fa7c;hpb=088c42c5c3cb34bac98fce95e4f3d08642834112;p=mesa.git

diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 26d0b3d4760..5c18e55dacf 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -35,10 +35,10 @@
  */
 
 
-#include "glheader.h"
-#include "context.h"
-#include "hash.h"
-#include "macros.h"
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/hash.h"
+#include "main/macros.h"
 #include "program.h"
 #include "prog_parameter.h"
 #include "prog_print.h"
@@ -212,6 +212,35 @@ _mesa_lookup_shader_program(GLcontext *ctx, GLuint name)
 }
 
 
+/**
+ * As above, but record an error if program is not found.
+ */
+static struct gl_shader_program *
+_mesa_lookup_shader_program_err(GLcontext *ctx, GLuint name,
+                                const char *caller)
+{
+   if (!name) {
+      _mesa_error(ctx, GL_INVALID_VALUE, caller);
+      return NULL;
+   }
+   else {
+      struct gl_shader_program *shProg = (struct gl_shader_program *)
+         _mesa_HashLookup(ctx->Shared->ShaderObjects, name);
+      if (!shProg) {
+         _mesa_error(ctx, GL_INVALID_VALUE, caller);
+         return NULL;
+      }
+      if (shProg->Type != GL_SHADER_PROGRAM_MESA) {
+         _mesa_error(ctx, GL_INVALID_OPERATION, caller);
+         return NULL;
+      }
+      return shProg;
+   }
+}
+
+
+
+
 /**
  * Allocate a new gl_shader object, initialize it.
  */
@@ -233,15 +262,11 @@ _mesa_new_shader(GLcontext *ctx, GLuint name, GLenum type)
 void
 _mesa_free_shader(GLcontext *ctx, struct gl_shader *sh)
 {
-   GLuint i;
    if (sh->Source)
       _mesa_free((void *) sh->Source);
    if (sh->InfoLog)
       _mesa_free(sh->InfoLog);
-   for (i = 0; i < sh->NumPrograms; i++)
-      _mesa_reference_program(ctx, &sh->Programs[i], NULL);
-   if (sh->Programs)
-      _mesa_free(sh->Programs);
+   _mesa_reference_program(ctx, &sh->Program, NULL);
    _mesa_free(sh);
 }
 
@@ -314,6 +339,33 @@ _mesa_lookup_shader(GLcontext *ctx, GLuint name)
 }
 
 
+/**
+ * As above, but record an error if shader is not found.
+ */
+static struct gl_shader *
+_mesa_lookup_shader_err(GLcontext *ctx, GLuint name, const char *caller)
+{
+   if (!name) {
+      _mesa_error(ctx, GL_INVALID_VALUE, caller);
+      return NULL;
+   }
+   else {
+      struct gl_shader *sh = (struct gl_shader *)
+         _mesa_HashLookup(ctx->Shared->ShaderObjects, name);
+      if (!sh) {
+         _mesa_error(ctx, GL_INVALID_VALUE, caller);
+         return NULL;
+      }
+      if (sh->Type == GL_SHADER_PROGRAM_MESA) {
+         _mesa_error(ctx, GL_INVALID_OPERATION, caller);
+         return NULL;
+      }
+      return sh;
+   }
+}
+
+
+
 /**
  * Initialize context's shader state.
  */
@@ -360,26 +412,42 @@ copy_string(GLchar *dst, GLsizei maxLength, GLsizei *length, const GLchar *src)
 }
 
 
+static GLboolean
+_mesa_is_program(GLcontext *ctx, GLuint name)
+{
+   struct gl_shader_program *shProg = _mesa_lookup_shader_program(ctx, name);
+   return shProg ? GL_TRUE : GL_FALSE;
+}
+
+
+static GLboolean
+_mesa_is_shader(GLcontext *ctx, GLuint name)
+{
+   struct gl_shader *shader = _mesa_lookup_shader(ctx, name);
+   return shader ? GL_TRUE : GL_FALSE;
+}
+
+
 /**
  * Called via ctx->Driver.AttachShader()
  */
 static void
 _mesa_attach_shader(GLcontext *ctx, GLuint program, GLuint shader)
 {
-   struct gl_shader_program *shProg
-      = _mesa_lookup_shader_program(ctx, program);
-   struct gl_shader *sh = _mesa_lookup_shader(ctx, shader);
-   GLuint n;
-   GLuint i;
+   struct gl_shader_program *shProg;
+   struct gl_shader *sh;
+   GLuint i, n;
 
-   if (!shProg || !sh) {
-      _mesa_error(ctx, GL_INVALID_VALUE,
-                  "glAttachShader(bad program or shader name)");
+   shProg = _mesa_lookup_shader_program_err(ctx, program, "glAttachShader");
+   if (!shProg)
+      return;
+
+   sh = _mesa_lookup_shader_err(ctx, shader, "glAttachShader");
+   if (!sh) {
       return;
    }
 
    n = shProg->NumShaders;
-
    for (i = 0; i < n; i++) {
       if (shProg->Shaders[i] == sh) {
          /* already attached */
@@ -409,10 +477,9 @@ _mesa_get_attrib_location(GLcontext *ctx, GLuint program,
                           const GLchar *name)
 {
    struct gl_shader_program *shProg
-      = _mesa_lookup_shader_program(ctx, program);
+      = _mesa_lookup_shader_program_err(ctx, program, "glGetAttribLocation");
 
    if (!shProg) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glGetAttribLocation");
       return -1;
    }
 
@@ -439,13 +506,14 @@ static void
 _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index,
                            const GLchar *name)
 {
-   struct gl_shader_program *shProg
-      = _mesa_lookup_shader_program(ctx, program);
+   struct gl_shader_program *shProg;
    const GLint size = -1; /* unknown size */
    GLint i, oldIndex;
+   GLenum datatype = GL_FLOAT_VEC4;
 
+   shProg = _mesa_lookup_shader_program_err(ctx, program,
+                                            "glBindAttribLocation");
    if (!shProg) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glBindAttribLocation(program)");
       return;
    }
 
@@ -458,6 +526,11 @@ _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index,
       return;
    }
 
+   if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "glBindAttribLocation(index)");
+      return;
+   }
+
    if (shProg->LinkStatus) {
       /* get current index/location for the attribute */
       oldIndex = _mesa_get_attrib_location(ctx, program, name);
@@ -467,9 +540,10 @@ _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index,
    }
 
    /* this will replace the current value if it's already in the list */
-   i = _mesa_add_attribute(shProg->Attributes, name, size, index);
+   i = _mesa_add_attribute(shProg->Attributes, name, size, datatype, index);
    if (i < 0) {
       _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindAttribLocation");
+      return;
    }
 
    if (shProg->VertexProgram && oldIndex >= 0 && oldIndex != index) {
@@ -539,11 +613,9 @@ _mesa_delete_program2(GLcontext *ctx, GLuint name)
     */
    struct gl_shader_program *shProg;
 
-   shProg = _mesa_lookup_shader_program(ctx, name);
-   if (!shProg) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteProgram(name)");
+   shProg = _mesa_lookup_shader_program_err(ctx, name, "glDeleteProgram");
+   if (!shProg)
       return;
-   }
 
    shProg->DeletePending = GL_TRUE;
 
@@ -555,10 +627,11 @@ _mesa_delete_program2(GLcontext *ctx, GLuint name)
 static void
 _mesa_delete_shader(GLcontext *ctx, GLuint shader)
 {
-   struct gl_shader *sh = _mesa_lookup_shader(ctx, shader);
-   if (!sh) {
+   struct gl_shader *sh;
+
+   sh = _mesa_lookup_shader_err(ctx, shader, "glDeleteShader");
+   if (!sh)
       return;
-   }
 
    sh->DeletePending = GL_TRUE;
 
@@ -570,16 +643,13 @@ _mesa_delete_shader(GLcontext *ctx, GLuint shader)
 static void
 _mesa_detach_shader(GLcontext *ctx, GLuint program, GLuint shader)
 {
-   struct gl_shader_program *shProg
-      = _mesa_lookup_shader_program(ctx, program);
+   struct gl_shader_program *shProg;
    GLuint n;
    GLuint i, j;
 
-   if (!shProg) {
-      _mesa_error(ctx, GL_INVALID_VALUE,
-                  "glDetachShader(bad program or shader name)");
+   shProg = _mesa_lookup_shader_program_err(ctx, program, "glDetachShader");
+   if (!shProg)
       return;
-   }
 
    n = shProg->NumShaders;
 
@@ -588,7 +658,7 @@ _mesa_detach_shader(GLcontext *ctx, GLuint program, GLuint shader)
          /* found it */
          struct gl_shader **newList;
 
-         /* derefernce */
+         /* release */
          _mesa_reference_shader(ctx, &shProg->Shaders[i], NULL);
 
          /* alloc new, smaller array */
@@ -624,8 +694,56 @@ _mesa_detach_shader(GLcontext *ctx, GLuint program, GLuint shader)
    }
 
    /* not found */
-   _mesa_error(ctx, GL_INVALID_VALUE,
-               "glDetachShader(shader not found)");
+   {
+      GLenum err;
+      if (_mesa_is_shader(ctx, shader))
+         err = GL_INVALID_OPERATION;
+      else if (_mesa_is_program(ctx, shader))
+         err = GL_INVALID_OPERATION;
+      else
+         err = GL_INVALID_VALUE;
+      _mesa_error(ctx, err, "glDetachProgram(shader)");
+      return;
+   }
+}
+
+
+static GLint
+sizeof_glsl_type(GLenum type)
+{
+   switch (type) {
+   case GL_FLOAT:
+   case GL_INT:
+   case GL_BOOL:
+      return 1;
+   case GL_FLOAT_VEC2:
+   case GL_INT_VEC2:
+   case GL_BOOL_VEC2:
+      return 2;
+   case GL_FLOAT_VEC3:
+   case GL_INT_VEC3:
+   case GL_BOOL_VEC3:
+      return 3;
+   case GL_FLOAT_VEC4:
+   case GL_INT_VEC4:
+   case GL_BOOL_VEC4:
+      return 4;
+   case GL_FLOAT_MAT2:
+   case GL_FLOAT_MAT2x3:
+   case GL_FLOAT_MAT2x4:
+      return 8; /* two float[4] vectors */
+   case GL_FLOAT_MAT3:
+   case GL_FLOAT_MAT3x2:
+   case GL_FLOAT_MAT3x4:
+      return 12; /* three float[4] vectors */
+   case GL_FLOAT_MAT4:
+   case GL_FLOAT_MAT4x2:
+   case GL_FLOAT_MAT4x3:
+      return 16;  /* four float[4] vectors */
+   default:
+      _mesa_problem(NULL, "Invalid type in sizeof_glsl_type()");
+      return 1;
+   }
 }
 
 
@@ -634,17 +752,11 @@ _mesa_get_active_attrib(GLcontext *ctx, GLuint program, GLuint index,
                         GLsizei maxLength, GLsizei *length, GLint *size,
                         GLenum *type, GLchar *nameOut)
 {
-   static const GLenum vec_types[] = {
-      GL_FLOAT, GL_FLOAT_VEC2, GL_FLOAT_VEC3, GL_FLOAT_VEC4
-   };
-   struct gl_shader_program *shProg
-      = _mesa_lookup_shader_program(ctx, program);
-   GLint sz;
+   struct gl_shader_program *shProg;
 
-   if (!shProg) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveAttrib");
+   shProg = _mesa_lookup_shader_program_err(ctx, program, "glGetActiveAttrib");
+   if (!shProg)
       return;
-   }
 
    if (!shProg->Attributes || index >= shProg->Attributes->NumParameters) {
       _mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveAttrib(index)");
@@ -653,11 +765,11 @@ _mesa_get_active_attrib(GLcontext *ctx, GLuint program, GLuint index,
 
    copy_string(nameOut, maxLength, length,
                shProg->Attributes->Parameters[index].Name);
-   sz = shProg->Attributes->Parameters[index].Size;
    if (size)
-      *size = sz;
+      *size = shProg->Attributes->Parameters[index].Size
+         / sizeof_glsl_type(shProg->Attributes->Parameters[index].DataType);
    if (type)
-      *type = vec_types[sz]; /* XXX this is a temporary hack */
+      *type = shProg->Attributes->Parameters[index].DataType;
 }
 
 
@@ -669,15 +781,13 @@ _mesa_get_active_uniform(GLcontext *ctx, GLuint program, GLuint index,
                          GLsizei maxLength, GLsizei *length, GLint *size,
                          GLenum *type, GLchar *nameOut)
 {
-   const struct gl_shader_program *shProg
-      = _mesa_lookup_shader_program(ctx, program);
+   const struct gl_shader_program *shProg;
    const struct gl_program *prog;
    GLint progPos;
 
-   if (!shProg) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveUniform");
+   shProg = _mesa_lookup_shader_program_err(ctx, program, "glGetActiveUniform");
+   if (!shProg)
       return;
-   }
 
    if (!shProg->Uniforms || index >= shProg->Uniforms->NumUniforms) {
       _mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveUniform(index)");
@@ -702,8 +812,8 @@ _mesa_get_active_uniform(GLcontext *ctx, GLuint program, GLuint index,
       copy_string(nameOut, maxLength, length,
                   prog->Parameters->Parameters[progPos].Name);
    if (size)
-      *size = prog->Parameters->Parameters[progPos].Size;
-
+      *size = prog->Parameters->Parameters[progPos].Size
+         / sizeof_glsl_type(prog->Parameters->Parameters[progPos].DataType);
    if (type)
       *type = prog->Parameters->Parameters[progPos].DataType;
 }
@@ -716,19 +826,16 @@ static void
 _mesa_get_attached_shaders(GLcontext *ctx, GLuint program, GLsizei maxCount,
                            GLsizei *count, GLuint *obj)
 {
-   struct gl_shader_program *shProg
-      = _mesa_lookup_shader_program(ctx, program);
+   struct gl_shader_program *shProg =
+      _mesa_lookup_shader_program_err(ctx, program, "glGetAttachedShaders");
    if (shProg) {
       GLuint i;
-      for (i = 0; i < maxCount && i < shProg->NumShaders; i++) {
+      for (i = 0; i < (GLuint) maxCount && i < shProg->NumShaders; i++) {
          obj[i] = shProg->Shaders[i]->Name;
       }
       if (count)
          *count = i;
    }
-   else {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glGetAttachedShaders");
-   }
 }
 
 
@@ -809,10 +916,9 @@ _mesa_get_programiv(GLcontext *ctx, GLuint program,
 static void
 _mesa_get_shaderiv(GLcontext *ctx, GLuint name, GLenum pname, GLint *params)
 {
-   struct gl_shader *shader = _mesa_lookup_shader(ctx, name);
+   struct gl_shader *shader = _mesa_lookup_shader_err(ctx, name, "glGetShaderiv");
 
    if (!shader) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glGetShaderiv(shader)");
       return;
    }
 
@@ -873,32 +979,30 @@ static void
 _mesa_get_shader_source(GLcontext *ctx, GLuint shader, GLsizei maxLength,
                         GLsizei *length, GLchar *sourceOut)
 {
-   struct gl_shader *sh = _mesa_lookup_shader(ctx, shader);
+   struct gl_shader *sh;
+   sh = _mesa_lookup_shader_err(ctx, shader, "glGetShaderSource");
    if (!sh) {
-      GLenum err;
-      if (_mesa_lookup_shader_program(ctx, shader))
-         err = GL_INVALID_OPERATION;
-      else
-         err = GL_INVALID_VALUE;
-      _mesa_error(ctx, err, "glGetShaderSource(shader)");
       return;
    }
    copy_string(sourceOut, maxLength, length, sh->Source);
 }
 
 
+#define MAX_UNIFORM_ELEMENTS 16
+
 /**
- * Called via ctx->Driver.GetUniformfv().
+ * Helper for GetUniformfv(), GetUniformiv()
+ * Returns number of elements written to 'params' output.
  */
-static void
-_mesa_get_uniformfv(GLcontext *ctx, GLuint program, GLint location,
-                    GLfloat *params)
+static GLuint
+get_uniformfv(GLcontext *ctx, GLuint program, GLint location,
+              GLfloat *params)
 {
    struct gl_shader_program *shProg
       = _mesa_lookup_shader_program(ctx, program);
    if (shProg) {
       if (shProg->Uniforms &&
-          location >= 0 && location < shProg->Uniforms->NumUniforms) {
+          location >= 0 && location < (GLint) shProg->Uniforms->NumUniforms) {
          GLint progPos;
          GLuint i;
          const struct gl_program *prog = NULL;
@@ -916,9 +1020,13 @@ _mesa_get_uniformfv(GLcontext *ctx, GLuint program, GLint location,
 
          ASSERT(prog);
          if (prog) {
+            /* See uniformiv() below */                    
+            assert(prog->Parameters->Parameters[progPos].Size <= MAX_UNIFORM_ELEMENTS);
+
             for (i = 0; i < prog->Parameters->Parameters[progPos].Size; i++) {
                params[i] = prog->Parameters->ParameterValues[progPos][i];
             }
+            return prog->Parameters->Parameters[progPos].Size;
          }
       }
       else {
@@ -928,37 +1036,60 @@ _mesa_get_uniformfv(GLcontext *ctx, GLuint program, GLint location,
    else {
       _mesa_error(ctx, GL_INVALID_OPERATION, "glGetUniformfv(program)");
    }
+   return 0;
 }
 
 
 /**
- * Called via ctx->Driver.GetUniformLocation().
+ * Called via ctx->Driver.GetUniformfv().
  */
-static GLint
-_mesa_get_uniform_location(GLcontext *ctx, GLuint program, const GLchar *name)
+static void
+_mesa_get_uniformfv(GLcontext *ctx, GLuint program, GLint location,
+                    GLfloat *params)
 {
-   struct gl_shader_program *shProg
-      = _mesa_lookup_shader_program(ctx, program);
-   if (!shProg)
-      return -1;
-
-   return _mesa_lookup_uniform(shProg->Uniforms, name);
+   (void) get_uniformfv(ctx, program, location, params);
 }
 
 
-static GLboolean
-_mesa_is_program(GLcontext *ctx, GLuint name)
+/**
+ * Called via ctx->Driver.GetUniformiv().
+ */
+static void
+_mesa_get_uniformiv(GLcontext *ctx, GLuint program, GLint location,
+                    GLint *params)
 {
-   struct gl_shader_program *shProg = _mesa_lookup_shader_program(ctx, name);
-   return shProg ? GL_TRUE : GL_FALSE;
+   GLfloat fparams[MAX_UNIFORM_ELEMENTS];
+   GLuint n = get_uniformfv(ctx, program, location, fparams);
+   GLuint i;
+   assert(n <= MAX_UNIFORM_ELEMENTS);
+   for (i = 0; i < n; i++) {
+      params[i] = (GLint) fparams[i];
+   }
 }
 
 
-static GLboolean
-_mesa_is_shader(GLcontext *ctx, GLuint name)
+/**
+ * Called via ctx->Driver.GetUniformLocation().
+ */
+static GLint
+_mesa_get_uniform_location(GLcontext *ctx, GLuint program, const GLchar *name)
 {
-   struct gl_shader *shader = _mesa_lookup_shader(ctx, name);
-   return shader ? GL_TRUE : GL_FALSE;
+   struct gl_shader_program *shProg =
+      _mesa_lookup_shader_program_err(ctx, program, "glGetUniformLocation");
+
+   if (!shProg)
+      return -1;
+
+   if (shProg->LinkStatus == GL_FALSE) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetUniformfv(program)");
+      return -1;
+   }
+
+   /* XXX we should return -1 if the uniform was declared, but not
+    * actually used.
+    */
+
+   return _mesa_lookup_uniform(shProg->Uniforms, name);
 }
 
 
@@ -969,16 +1100,11 @@ _mesa_is_shader(GLcontext *ctx, GLuint name)
 static void
 _mesa_shader_source(GLcontext *ctx, GLuint shader, const GLchar *source)
 {
-   struct gl_shader *sh = _mesa_lookup_shader(ctx, shader);
-   if (!sh) {
-      GLenum err;
-      if (_mesa_lookup_shader_program(ctx, shader))
-         err = GL_INVALID_OPERATION;
-      else
-         err = GL_INVALID_VALUE;
-      _mesa_error(ctx, err, "glShaderSource(shaderObj)");
+   struct gl_shader *sh;
+
+   sh = _mesa_lookup_shader_err(ctx, shader, "glShaderSource");
+   if (!sh)
       return;
-   }
 
    /* free old shader source string and install new one */
    if (sh->Source) {
@@ -995,12 +1121,11 @@ _mesa_shader_source(GLcontext *ctx, GLuint shader, const GLchar *source)
 static void
 _mesa_compile_shader(GLcontext *ctx, GLuint shaderObj)
 {
-   struct gl_shader *sh = _mesa_lookup_shader(ctx, shaderObj);
+   struct gl_shader *sh;
 
-   if (!sh) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glCompileShader(shaderObj)");
+   sh = _mesa_lookup_shader_err(ctx, shaderObj, "glCompileShader");
+   if (!sh)
       return;
-   }
 
    sh->CompileStatus = _slang_compile(ctx, sh);
 }
@@ -1014,11 +1139,9 @@ _mesa_link_program(GLcontext *ctx, GLuint program)
 {
    struct gl_shader_program *shProg;
 
-   shProg = _mesa_lookup_shader_program(ctx, program);
-   if (!shProg) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glLinkProgram(program)");
+   shProg = _mesa_lookup_shader_program_err(ctx, program, "glLinkProgram");
+   if (!shProg)
       return;
-   }
 
    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
 
@@ -1043,10 +1166,12 @@ _mesa_use_program(GLcontext *ctx, GLuint program)
    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
 
    if (program) {
-      shProg = _mesa_lookup_shader_program(ctx, program);
+      shProg = _mesa_lookup_shader_program_err(ctx, program, "glUseProgram");
       if (!shProg) {
-         _mesa_error(ctx, GL_INVALID_VALUE,
-                     "glUseProgramObjectARB(programObj)");
+         return;
+      }
+      if (!shProg->LinkStatus) {
+         _mesa_error(ctx, GL_INVALID_OPERATION, "glUseProgram");
          return;
       }
    }
@@ -1080,6 +1205,60 @@ update_textures_used(struct gl_program *prog)
 }
 
 
+static GLboolean
+is_sampler_type(GLenum type)
+{
+   switch (type) {
+   case GL_SAMPLER_1D:
+   case GL_SAMPLER_2D:
+   case GL_SAMPLER_3D:
+   case GL_SAMPLER_CUBE:
+   case GL_SAMPLER_1D_SHADOW:
+   case GL_SAMPLER_2D_SHADOW:
+   case GL_SAMPLER_2D_RECT_ARB:
+   case GL_SAMPLER_2D_RECT_SHADOW_ARB:
+   case GL_SAMPLER_1D_ARRAY_EXT:
+   case GL_SAMPLER_2D_ARRAY_EXT:
+      return GL_TRUE;
+   default:
+      return GL_FALSE;
+   }
+}
+
+
+/**
+ * Check if the type given by userType is allowed to set a uniform of the
+ * target type.  Generally, equivalence is required, but setting Boolean
+ * uniforms can be done with glUniformiv or glUniformfv.
+ */
+static GLboolean
+compatible_types(GLenum userType, GLenum targetType)
+{
+   if (userType == targetType)
+      return GL_TRUE;
+
+   if (targetType == GL_BOOL && (userType == GL_FLOAT || userType == GL_INT))
+      return GL_TRUE;
+
+   if (targetType == GL_BOOL_VEC2 && (userType == GL_FLOAT_VEC2 ||
+                                      userType == GL_INT_VEC2))
+      return GL_TRUE;
+
+   if (targetType == GL_BOOL_VEC3 && (userType == GL_FLOAT_VEC3 ||
+                                      userType == GL_INT_VEC3))
+      return GL_TRUE;
+
+   if (targetType == GL_BOOL_VEC4 && (userType == GL_FLOAT_VEC4 ||
+                                      userType == GL_INT_VEC4))
+      return GL_TRUE;
+
+   if (is_sampler_type(targetType) && userType == GL_INT)
+      return GL_TRUE;
+
+   return GL_FALSE;
+}
+
+
 /**
  * Set the value of a program's uniform variable.
  * \param program  the program whose uniform to update
@@ -1093,6 +1272,12 @@ static void
 set_program_uniform(GLcontext *ctx, struct gl_program *program, GLint location,
                     GLenum type, GLsizei count, GLint elems, const void *values)
 {
+   if (!compatible_types(type,
+                         program->Parameters->Parameters[location].DataType)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glUniform(type mismatch)");
+      return;
+   }
+
    if (program->Parameters->Parameters[location].Type == PROGRAM_SAMPLER) {
       /* This controls which texture unit which is used by a sampler */
       GLuint texUnit, sampler;
@@ -1125,7 +1310,7 @@ set_program_uniform(GLcontext *ctx, struct gl_program *program, GLint location,
       /* ordinary uniform variable */
       GLsizei k, i;
 
-      if (count * elems > program->Parameters->Parameters[location].Size) {
+      if (count * elems > (GLint) program->Parameters->Parameters[location].Size) {
          _mesa_error(ctx, GL_INVALID_OPERATION, "glUniform(count too large)");
          return;
       }
@@ -1170,7 +1355,6 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count,
    if (location == -1)
       return;   /* The standard specifies this as a no-op */
 
-
    if (location < 0 || location >= (GLint) shProg->Uniforms->NumUniforms) {
       _mesa_error(ctx, GL_INVALID_VALUE, "glUniform(location)");
       return;
@@ -1226,39 +1410,100 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count,
 }
 
 
+static void
+get_matrix_dims(GLenum type, GLint *rows, GLint *cols)
+{
+   switch (type) {
+   case GL_FLOAT_MAT2:
+      *rows = *cols = 2;
+      break;
+   case GL_FLOAT_MAT2x3:
+      *rows = 3;
+      *cols = 2;
+      break;
+   case GL_FLOAT_MAT2x4:
+      *rows = 4;
+      *cols = 2;
+      break;
+   case GL_FLOAT_MAT3:
+      *rows = 3;
+      *cols = 3;
+      break;
+   case GL_FLOAT_MAT3x2:
+      *rows = 2;
+      *cols = 3;
+      break;
+   case GL_FLOAT_MAT3x4:
+      *rows = 4;
+      *cols = 3;
+      break;
+   case GL_FLOAT_MAT4:
+      *rows = 4;
+      *cols = 4;
+      break;
+   case GL_FLOAT_MAT4x2:
+      *rows = 2;
+      *cols = 4;
+      break;
+   case GL_FLOAT_MAT4x3:
+      *rows = 3;
+      *cols = 4;
+      break;
+   default:
+      *rows = *cols = 0;
+   }
+}
+
+
 static void
 set_program_uniform_matrix(GLcontext *ctx, struct gl_program *program,
-                           GLuint location, GLuint rows, GLuint cols,
+                           GLuint location, GLuint count,
+                           GLuint rows, GLuint cols,
                            GLboolean transpose, const GLfloat *values)
 {
+   GLuint mat, row, col;
+   GLuint dst = location, src = 0;
+   GLint nr, nc;
+
+   /* check that the number of rows, columns is correct */
+   get_matrix_dims(program->Parameters->Parameters[location].DataType, &nr, &nc);
+   if (rows != nr || cols != nc) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glUniformMatrix(matrix size mismatch");
+      return;
+   }
+
    /*
     * Note: the _columns_ of a matrix are stored in program registers, not
-    * the rows.
+    * the rows.  So, the loops below look a little funny.
+    * XXX could optimize this a bit...
     */
-   /* XXXX need to test 3x3 and 2x2 matrices... */
-   if (transpose) {
-      GLuint row, col;
-      for (col = 0; col < cols; col++) {
-         GLfloat *v = program->Parameters->ParameterValues[location + col];
-         for (row = 0; row < rows; row++) {
-            v[row] = values[row * cols + col];
-         }
-      }
-   }
-   else {
-      GLuint row, col;
+
+   /* loop over matrices */
+   for (mat = 0; mat < count; mat++) {
+
+      /* each matrix: */
       for (col = 0; col < cols; col++) {
-         GLfloat *v = program->Parameters->ParameterValues[location + col];
+         GLfloat *v = program->Parameters->ParameterValues[dst];
          for (row = 0; row < rows; row++) {
-            v[row] = values[col * rows + row];
+            if (transpose) {
+               v[row] = values[src + row * cols + col];
+            }
+            else {
+               v[row] = values[src + col * rows + row];
+            }
          }
+         dst++;
       }
+
+      src += rows * cols;  /* next matrix */
    }
 }
 
 
 /**
  * Called by ctx->Driver.UniformMatrix().
+ * Note: cols=2, rows=4  ==>  array[2] of vec4
  */
 static void
 _mesa_uniform_matrix(GLcontext *ctx, GLint cols, GLint rows,
@@ -1276,7 +1521,7 @@ _mesa_uniform_matrix(GLcontext *ctx, GLint cols, GLint rows,
    if (location == -1)
       return;   /* The standard specifies this as a no-op */
 
-   if (location < 0 || location >= shProg->Uniforms->NumUniforms) {
+   if (location < 0 || location >= (GLint) shProg->Uniforms->NumUniforms) {
       _mesa_error(ctx, GL_INVALID_VALUE, "glUniformMatrix(location)");
       return;
    }
@@ -1291,7 +1536,7 @@ _mesa_uniform_matrix(GLcontext *ctx, GLint cols, GLint rows,
       GLint loc = shProg->Uniforms->Uniforms[location].VertPos;
       if (loc >= 0) {
          set_program_uniform_matrix(ctx, &shProg->VertexProgram->Base,
-                                    loc, rows, cols, transpose, values);
+                                    loc, count, rows, cols, transpose, values);
       }
    }
 
@@ -1299,7 +1544,7 @@ _mesa_uniform_matrix(GLcontext *ctx, GLint cols, GLint rows,
       GLint loc = shProg->Uniforms->Uniforms[location].FragPos;
       if (loc >= 0) {
          set_program_uniform_matrix(ctx, &shProg->FragmentProgram->Base,
-                                    loc, rows, cols, transpose, values);
+                                    loc, count, rows, cols, transpose, values);
       }
    }
 }
@@ -1309,15 +1554,19 @@ static void
 _mesa_validate_program(GLcontext *ctx, GLuint program)
 {
    struct gl_shader_program *shProg;
-   shProg = _mesa_lookup_shader_program(ctx, program);
+
+   shProg = _mesa_lookup_shader_program_err(ctx, program, "glValidateProgram");
    if (!shProg) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glValidateProgram(program)");
       return;
    }
-   /* XXX temporary */
-   shProg->Validated = GL_TRUE;
 
-   /* From the GL spec:
+   if (!shProg->LinkStatus) {
+      shProg->Validated = GL_FALSE;
+      return;
+   }
+
+   /* From the GL spec, a program is invalid if any of these are true:
+
      any two active samplers in the current program object are of
      different types, but refer to the same texture image unit,
 
@@ -1330,6 +1579,8 @@ _mesa_validate_program(GLcontext *ctx, GLuint program)
      processing exceeds the combined limit on the total number of texture
      image units allowed.
    */
+
+   shProg->Validated = GL_TRUE;
 }
 
 
@@ -1358,6 +1609,7 @@ _mesa_init_glsl_driver_functions(struct dd_function_table *driver)
    driver->GetShaderInfoLog = _mesa_get_shader_info_log;
    driver->GetShaderSource = _mesa_get_shader_source;
    driver->GetUniformfv = _mesa_get_uniformfv;
+   driver->GetUniformiv = _mesa_get_uniformiv;
    driver->GetUniformLocation = _mesa_get_uniform_location;
    driver->IsProgram = _mesa_is_program;
    driver->IsShader = _mesa_is_shader;